578 lines
25 KiB
Plaintext
578 lines
25 KiB
Plaintext
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Notes about the sound drivers
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Be sure to check the driver screen (Shift-F5) of your soundcard!
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I often get asked what soundcard I believe is the best.
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My favourite soundcard is the SBLive! produced by Creative Labs.
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ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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Driver Summary
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Driver Def/Max Quick- Stereo Bits Mixing Rate/Resolution
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Channels select MIDI In/Out available?
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VSound Driver 64/256 Auto Yes 16 8kHz to 64kHz
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VSound Driver MMX 128/256 Auto Yes 16 8kHz to 64kHz
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For more details on the VSound drivers, check ITVSOUND.TXT
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PC Speaker 64/256 /S1 No 5-7 12->44kHz
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DAC on LPT 64/256 No 8 12->44kHz
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GUS, Hardware * 32/32 /S7 Yes 16 19->44kHz (A)
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GUSMAX, Software * 64/256 Yes 16 8->64kHz
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Interwave, Hardware * 32/32 /S8 Yes 16 44kHz, MIDI In + Out
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Sound Blaster 1.0 * 64/256 /S2 No 8 12kHz->22kHz
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Sound Blaster 2.0 * 64/256 /S3 No 8 12kHz->44kHz
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Sound Blaster Pro * 64/256 /S4 Yes 8 6kHz->22kHz (B)
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No 8 12kHz->44kHz (B)
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Sound Blaster 16 * 64/256 /S5 Yes 16 12kHz->44kHz, MIDI In
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Sound Blaster AWE 32* 30/30 Yes 16 44kHz, MIDI In + Out
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Pro Audio Spectrum 64/256 /S9 Yes 8 12->44kHz
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Pro Audio Spectrum 16 64/256 /S10 Yes 16 12->44kHz
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Windows Sound System * 64/256 /S11 Yes 16 8->64kHz
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ESS 1868 AudioDrive * 64/256 /S12 Yes 16 22->56.8kHz, MIDI In
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ESS 1688 AudioDrive 64/256 Yes 16 8->48kHz
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EWS64 Codec * 64/256 /S13 Yes 16 8->48kHz
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Ensoniq SoundscapeVIVO* 64/256 /S14 Yes 16 8->48kHz
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SoundTrack PCI * 64/256 Yes 16 8->48kHz
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MPU401 MIDI Driver - /S19 - - MIDI In + Out
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Disk Writer * 256/256 /S20 Yes 16 8->64kHz
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* = Driver will play in the background of Windows '95
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Notes
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A) Depends on number of channels used. The hiquality GUS driver reinitialises
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the GUS continually to use as few channels as necessary. Some GUS cards
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cannot cope with this and you will need to use the alternative ITGUSLO.DRV
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instead.
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B) The mixing rate of the SBPro depends on whether playback is stereo or mono
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ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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PC Speaker (ITPCSPKR.DRV)
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Nothing much else to say here, except... GET A SOUND CARD! :)
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Note: On the info page, using the 'variables' display WILL distort
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PC Speaker output. Also, it has been found that the Info Page
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screens and the Pattern Editor cause a noticeably higher amount
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of hiss through the speaker.
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Note: This driver *MAY NOT* work on laptop's piezo-electric speakers.
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Note: No driver screen available.
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Note: Not for use with Win95
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ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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DAC on LPT 1/2 Drivers
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These drivers are almost exactly the same as the PC speaker drivers,
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with only minor modifications.
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To use these, run IT /sITLPT1.DRV or IT /sITLPT2.DRV - depending on
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which LPT you have your DAC plugged into.
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Note: If you're interested in building your own parallel port DAC,
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check out: http://www.dnc.net/users/collver/dac.htm
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or: ftp://ftp.informatik.hu-berlin.de/pub/os/linux/hu-sound/
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Note: No driver screen available.
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Note: On the info page, using the 'variables' display WILL distort
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PC Speaker output. Also, it has been found that the Info Page
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screens and the Pattern Editor cause a noticeably higher amount
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of hiss through the speaker.
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ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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Gravis UltraSound, Hardware mixing (ITGUS.DRV)
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This file actually contains two drivers in one file. The first is
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accessed just by using IT (with no command line parameters, or with
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/s7 for Gravis UltraSound). This is equivalent to the original
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internal driver that came with previous versions of Impulse Tracker.
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The second driver is selected by providing the correct IRQ for the
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GF1 chip. (The second-to-last number of your ULTRASND environment
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variable). This is an IRQ driven routine, which means that it'll
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work in the background of Windows '95. But note that the timing for
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this is NOT as accurate as the timing in the first driver. There is
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also a possibility that multitasking OSs can sometimes (although
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rarely) cause some settings to the GUS to be missed (which will cause
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a note to play unexpectedly). This can be fixed just by restarting
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playback. There is NO check for the correctness of the IRQ provided.
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Note that the IRQ driven routine doesn't seem to work on all
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computers either.. :(
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The Gravis UltraSound *CANNOT* cope with 16-bit samples greater than
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256k-bytes. This is equivalent to 128k-length samples. Also, 16-bit
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samples cannot cross 256k boundaries on the GUS, meaning that the
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amount of memory you have on the card may decrease by more than you
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expect when you load a 16-bit sample.
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You cannot choose the mixing rate for the GUS - the mixing rate is
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dependent on the number of channels playing. This driver continuously
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reinitialises the GUS to use as few channels as possible. You can
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further restrict the number of channels used with /Lxx on the command
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line of Impulse Tracker.
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Gravis UltraSound 2, Hardware mixing (ITGUS2.DRV)
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If the first Gravis UltraSound driver clicks continuously when nothing
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is supposed to be playing, use this driver ("IT /sITGUS2.DRV").
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This driver file also contains two drivers - check above on how to
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access the second driver.
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Gravis UltraSound Lo-freq, Hardware mixing (ITGUSLO.DRV)
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Only use this driver if notes do *NOT* finish playing off correctly
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on your GUS. ("IT /sITGUSLO.DRV" or copy ITGUSLO.DRV over ITGUS.DRV)
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This driver does not try to continuously reinitialise the card to use
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a minimum number of channels like the above two drivers do.
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ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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Gravis Ultrasound MAX - Software mixing (ITGUSMAX.DRV)
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This device has ONLY been included because it works for SOME people.
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It has NEVER worked under Win95 with GUS drivers installed as far as
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I know. If it doesn't work for you - I'm sorry, you'll have to use
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the hardware drivers. Don't write to me and complain if they don't
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work for you - you probably won't get a reply.
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To use this driver, you MUST specify your GUSMAX's Codec IRQ *AND*
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DMA on the command line as:
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IT /sITGUSMAX.DRV /i<irq> /d<dma>
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If you want to specify a port (which should be auto-detected OK),
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the port is of the Codec, NOT the GUS's Base Address.
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(ie. 32Ch NOT 220h)
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Note: After some testing, it *seems* that you'll need an ULTRINIT
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of version 2.28a or above to use this driver...
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Here's part of an EMail that I received from Jarkko Seppanen on how he got
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ITGUSMAX.DRV working:
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I just found a weird way to make the GUS MAX software mixer to work (for me,
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at least). I normally use DMA 6 for playback and DMA 7 for recording. I was
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playing around with IT and trying to get the driver to work and changed
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both DMAs to 1. And for my surprise it started to work. Next I tried it
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with both DMAs 6, with the same result. But the funny thing is, when I
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first play a song with both DMAs the same and then change them back to the
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original (6 and 7), it still works. I'm using IT v2.11 with ultrinit v2.31.
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ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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InterWave Driver - Hardware mixing (ITIW.DRV)
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(This includes GUS PnP, GUS PnP Pro, WavExtreme 32 Pro + more)
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You *NEED* to have RAM onboard your soundcard to use this driver,
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otherwise your Interwave card will NOT be detected.
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This file actually contains two drivers in one file. The first is
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accessed just by using IT (with no command line parameters, or with
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/s8 for AMD Interwave IC). This is similar to the original internal
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GUS driver that came with previous versions of Impulse Tracker.
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The second driver is selected by providing the correct IRQ for the
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Interwave chip. (This is the value given in Windows'95/settings/
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control panel/system/Interwave SYNTH/IRQ). This is an IRQ driven
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routine, which means that it'll work in the background of Windows '95.
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But note that the timing for this is NOT as accurate as the timing in
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the first driver. There is also a possibility that multitasking OSs
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can sometimes (although rarely) cause some settings to the GUS to be
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missed (which will cause a note to play unexpectedly). This can be
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fixed just by restarting playback (or reinitialising in severe cases).
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There is NO check for the correctness of the IRQ provided.
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The Interwave driver contains handlers for two different memory modes
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on the Interwave - the more memory efficient mode is where the amount
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of ram is directly compatible with the interwave, the second is where
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the DRAM configuration is NOT directly compatible with the interwave
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and the driver has to handle the RAM slightly more explicitly, which
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causes the loss of memory-usage efficiency.
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Here are the modes directly compatible with the interwave:
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Bank 0 Bank 1 Bank 2 Bank 3 Total
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256Kb 0 0 0 256Kb
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256Kb 256Kb 0 0 512Kb
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256Kb 256Kb 256Kb 256Kb 1MB
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256Kb 1MB 0 0 1.25MB
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256Kb 1MB 1MB 1MB 3.25MB
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256Kb 256Kb 1MB 0 1.5MB
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256Kb 256Kb 1MB 1MB 2.5MB
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1MB 0 0 0 1MB
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1MB 1MB 0 0 2MB
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1MB 1MB 1MB 1MB 4MB
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4MB 0 0 0 4MB
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* 4MB 4MB 0 0 8MB
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* 4MB 4MB 4MB 4MB 16MB
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* These modes cannot be handled by the first driver, so are actually
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handled in the second mode.
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The mixing rate for the Interwave driver is fixed at 44100Hz
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(CD quality)
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Bug warning: If the sound does NOT play properly, you may need to
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run IWINIT before running Impulse Tracker
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ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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Sound Blaster 1.0 driver (ITSB.DRV)
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The Sound Blaster has a mixing range of 12000->21739 Hz. You CANNOT
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hear any stereo (or surround) effects with this driver, because the
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Sound Blaster does NOT support stereo.
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Hardware detection routines are used for Address (eg. 220h),
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environment is checked for IRQ and DMA.
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Command line arguments for IRQ and DMA are NOT checked but assumed
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correct IF this driver is explicitly selected
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(IT /s2 or IT /sITSB.DRV).
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Sound Blaster 2.0 driver (ITSB2.DRV)
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The Sound Blaster 2 driver is basically the same as the Pro driver
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with stereo options removed... (ie SB2 cannot do stereo). The
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mixing range is from 12000 to 43478 Hz.
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Hardware detection routines are used for Address (eg. 220h),
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environment is checked for IRQ and DMA.
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Command line arguments for IRQ and DMA are NOT checked but assumed
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correct IF this driver is explicitly selected (IT /s3 or
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IT /sITSB2.DRV).
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Sound Blaster Pro driver (ITSBPRO.DRV)
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The Sound Blaster Pro has a mixing range of 12000->43478 in mono mode,
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or 6000->21739 in stereo mode.
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Hardware detection routines are used for Address (eg. 220h),
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environment is checked for IRQ and DMA.
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Command line arguments for IRQ and DMA are NOT checked but assumed
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correct IF this driver is explicitly selected
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(IT /s4 or IT /sITSBPRO.DRV).
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Sound Blaster 16 driver (ITSB16.DRV, ITSB16B.DRV, ITSB16C.DRV)
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The Sound Blaster 16 has a mixing range of 12000->45454 in either mono
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or stereo modes.
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If you specify this driver ( IT /s5 or IT /sITSB16.DRV ) AND an IRQ
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or DMA, IT will try to *FORCE* the SB16 to use the IRQ/DMA.
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eg. On my system, I have my SB16 configured to IRQ 2, DMA 5, but I
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can force it to use IRQ 7, DMA 0 with IT /s5 /i7 /d0
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Hardware detection routines are used for all Address, IRQ and DMA.
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Note: If you select either of the 32-bit mixing modes, then volumes
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between 0->32768 are used internally instead of 0->128.
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The second driver, ITSB16B.DRV is a cut down version of the main
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driver which does NOT have the advanced mixing options - the only
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benefit of this is that it requires less memory. To use this, type:
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"IT /sITSB16B.DRV". If you want to have this file automatically used
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just copy it over ITSB16.DRV.
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To get MIDI input, I had to do this in Win95:
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Goto "My Computer", right click -> properties -> device manager ->
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sound, video and multimedia -> SB16/AWE32 DSP
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Now go to the "resources" tab, and unclick "Use automatic settings"
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Either:
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1) Change your MIDI port from 300h to 330h or
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2) Select a 'basic configuration' which doesn't include the MIDI port
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( 3) Get an updated driver from Creative Labs, if they've fixed it )
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Click OK, then click OK on the warning message.
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There is a good chance that it should work now. I believe this is a
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bug in the older Win95 SB16 drivers. (I *know* that the SB16 driver
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I have prevents MIDI in DOS boxes and is the cause of these problems
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because if I remove it, MIDI works flawlessly in DOS boxes in in Win95)
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;---------- ITSB16C.DRV --------
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I finally managed to encounter a computer which wouldn't accept IT's
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old SB16 drivers - and hence I created ITSB16C.DRV.
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If you run ITSB16.DRV and the playback cursor does NOT move, then
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you MUST close your Win95 box (or restart your computer), *then* run:
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IT /sITSB16C.DRV
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This driver is similar to ITSB16B.DRV in that it is a cut down
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version of the full SB16 driver, but this one also has the MIDI
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input disabled (which seems to be causing all the problems on the
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cards which just won't 'play')
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ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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Sound Blaster AWE 32 drivers (ITAWE32.DRV, ITAWE32B.DRV)
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The Sound Blaster AWE 32 driver directly uses the EMU8000 synth chip.
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This synth chip has several limitations which you should be aware of:
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ù It can only use 16-bit samples.
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8 bit samples are automatically converted by IT (so that's not a
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problem), but your free memory may decrease by double of what you
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expect. (eg. you will need at least 1MB of memory to load 512k
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of 8 bit samples)
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ù It doesn't support ping pong loops or no loops.
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IT will automatically expand ping pong loops and will pad non-looped
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samples with silence, but this makes sample sustain loops impossible
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to implement fully. It also means that ping pong looped samples
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could take up to double the memory of forwards looped samples.
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Sustain loops will NOT operate on the AWE32 driver. Instead, they
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will be treated as NORMAL loops.
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If you change the loop type from none->forwards or
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forwards->ping pong or ping pong->none, you WILL need to reload
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the samples each time (Ctrl-G). If you change the loop points on
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a sample, you *will* have to reload the samples (Ctrl-G)
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ù Has a limited frequency range - from the programming information,
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it seems that it is impossible to play a note at above 176kHz.
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This equates to any notes 2 octaves above middle C (or higher) for
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a sample at 44kHz. If a note is not played because of this
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frequency limitation, a message will show at the top of the screen
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indicating that the frequency range has been exceeded.
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Note: The Address used for the SB AWE 32 is the address of the EMU8000,
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NOT the address of your SB. (for command line params, eg A660)
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Note: This driver is NOT used as a default, as many users would benefit
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more from the SB16 driver. (I recommend having at least 2MB
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of memory if you want to use this driver). Run "IT /s6" if you
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do want to use this driver.
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Note: This driver can operate in Win95. In this mode, it uses a
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different mechanism which allows the playing of music in the
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background, but timing is *NOT* as accurate here (accurate to
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around 100 milli seconds as opposed to 800 nano seconds per
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frame)
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Note: The second driver, ITAWE32B.DRV, is for people who do *NOT* have
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a floating point unit (ie. 386, 486SX computers). ITAWE32.DRV
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is preferred as it requires less memory.
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To access ITAWE32B.DRV, run "IT /sITAWE32B.DRV"
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ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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Pro Audio Spectrum (ITPAS.DRV)
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Pro Audio Spectrum 16 (ITPAS16.DRV)
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BIG thanks to Pelusa for VITAL programming information for this!!
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BIG thanks to MZ/PoP for lending me a PAS16 to stuff around with!!
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Note: These drivers will *NOT* work in the background of Win95,
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although they will work fine in the foreground.
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Note: You NEED to have the MVSOUND.SYS driver installed for these
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to operate or a Window's system driver.
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ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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Windows Sound System (ITWSS.DRV, ITWSS2.DRV)
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Again, BIG thanks to Pelusa for VITAL programming information for this!
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ITWSS is a 16-bit driver, with output frequencies ranging from 8kHz to
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64kHz (!). Mixing speeds above 48kHz *MAY* not work on all Windows
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Sound System Cards.
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ITWSS.DRV is a completely IRQ driven routine. Although this may not be
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compatible with *ALL* soundcards, it permits background playback in
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Windows'95 and is FAR MORE EFFICIENT than ITWSS2.DRV. ITWSS2.DRV should
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be used if ITWSS doesn't operate properly.
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Note: There is *NO* autodetection on IRQ/DMA. You *will* need to set
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these on the command line if they are not IRQ7/DMA1.
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If you *DO* specify IRQ and/or DMA, then it must be DMA 0, 1 or 3,
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and IRQ 7, 9 10 or 11. Impulse Tracker will attempt to SET the DMA/IRQ
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of your WSS card to these values, in a similar manner to how the SB16
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driver operates.
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ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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ESS ES1868 AudioDrive (ITES1868.DRV)
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The drivers for the ESS ES1868 AudioDrive use the PnP registers to
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detect/configure this soundcard. If you have disabled the PnP on the
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card the driver may not work...
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The default mixing rate is 44kHz, although the card can handle up to 56kHz
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Thanks go out to Diablo for pointing me in the right direction to find
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the programming information and Andrew Lee for lending me a card to
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program with!
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ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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ESS ES1688 AudioDrive (ITES1688.DRV)
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This driver was written for Synergy ViperMAX / GUS Extreme soundcards,
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so that the codec may be used to write songs > 1MB large.
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Thanks go to James Hsu / Synergy for providing me with a card to work on.
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ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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EWS64 XL Codec (ITEWSCOD.DRV)
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Like the ESS ES1868 Audiodrive, this card uses the PnP registers to
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detect/configure the soundcard. The default mixing rate is set at 48kHz
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Big thanks go out to the entire TerraTec team for providing me with a
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card to use - especially Kay "Mod4Win" Bruns.
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Notes:
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þ The settings within the EWS64 Codec driver are saved upon exiting.
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þ The "Reverb Types" are:
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0: Room1
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1: Room2
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2: Room3
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3: Hall1
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4: Hall2
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5: Plate
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6: Delay
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7: Pan Delay
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The parameter "Reverb Feedback" only has meaning for Reverb Types Delay
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and Pan Delay (6 and 7)
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þ The "Chorus Types" are:
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0: Chorus1
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1: Chorus2
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2: Chorus3
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4: Feedback Chorus
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5: Flanger
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6: Short Delay
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7: Feedback Delay
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Note: Chorus will only work with EWS64 XL rev 1.1 or greater
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ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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Ensoniq SoundscapeVIVO (ITVIVO.DRV)
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The drivers for the Ensoniq SoundscapeVIVO use the PnP registers to
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detect/configure this soundcard. If you have disabled the PnP on the
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card the driver may not work...
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The default mixing rate is 48kHz.
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ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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Sound Track PCI Codec (ITSTCODE.DRV)
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This driver uses the PCI registers to autodetect the card. Unfortunately
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this does not always seem to be the correct value, hence you may have to
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override the parameters on the command line. (The computer *MAY* hang if
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the correct values are not available!)
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Sound Track 97 PCI and Sound Track 42 PCI cards are handled by this driver.
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The 'extra' settings of reverb, chorus, echo, equalizer and surround are
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not available on the ST42 cards. SRS settings are available.
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Notes:
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þ The settings within the ST97 PCI Codec driver are saved upon exiting.
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þ The "Reverb Types" are:
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0: Room1
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1: Room2
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2: Room3
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3: Hall1
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4: Hall2
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5: Plate
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6: Delay
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7: Pan Delay
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The parameter "Reverb Feedback" only has meaning for Reverb Types Delay
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and Pan Delay (6 and 7)
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þ The "Chorus Types" are:
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0: Chorus1
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1: Chorus2
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2: Chorus3
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4: Feedback Chorus
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5: Flanger
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6: Short Delay
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7: Feedback Delay
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Huge thanks go to Hanmesoft Corporation for providing me with this awesome
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card to work on! (check out http://www.hoontech.com)
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ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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MPU401 MIDI Driver
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The MPU401 MIDI driver provides a MIDI Driver to support MIDI Input and
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MIDI Output on general soundcards. It does NOT support sample playback
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at all. Trying to play a sample will result in the note being 'terminated'
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immediately.
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To use this driver, you may need to provide the MIDI port on the command
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line;
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eg. "IT /s19 /a360"
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Addresses 330h and 300h are checked if a port is NOT specified.
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ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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Disk Writer
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The ITWAV.DRV included with distribution IT is a mono-only
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example device. To use it, run IT /sITWAV.DRV or IT /s20
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The full ITWAV.DRV file which *IS* capable of stereo output
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is NOT available for public distribution. Contact me if you
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wish to obtain this - it will NOT be made available without
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some sort of (monetary) agreement (US$30 for non-profit use)
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Details
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þ 16 bit Stereo/Mono output
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þ 22kHz to 64kHz output frequency
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þ 16 bit quadratic spline interpolation (65536x 'oversampling')
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þ 32 bit mixing
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þ Logarithmic volume ramping with 32768 internal volumes levels.
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þ Sample cut click removal techniques
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þ Resonant filtering
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To use the disk writer, run: "IT /sITWAV.DRV" or "IT /s20".
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The files will be created in the same directory as IT.EXE,
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and will be of .WAV format. You can change the destination
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directory on the diskwriter's driver screen (Shift-F5.)
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It is greatly suggested to use a disk cache to improve the
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writing speed.
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ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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