mad-user May 2002

mad-user@lists.mars.org

2 participants
2 discussions

Re: Vortex2 and >16 bits playback
by Unorthodox Behaviour 25 May '02

25 May '02

I don't know what your soundard DSP chip is, but I have a Hercules/Guillemot Game Theatre XP which features 20 bit playback. Outwave.dll works for me in both normal and alternate settings for 24 bits, that is I am able to listen to Line Out. So I guess that in my case the 24 bits MAD sends are accepted by the soundcard, processed somehow and outputted. However, I cannot tell whether what I hear is 20 bits, or even the 24 bits downsampled to 16 (!!). So far, nobody I asked could find me a procedure without using an oscilloscope to find out what the real output is. So I'm afraid that even if you manage to get sound out of winamp+MAD to the digital outputs, you won't have any means knowing whether this output is 16, 20 or 24 bits. Perhaps some experts can enlighten us ? In any case I'd recommend mailing Peter Pawlowski - he should know whether his plugin is compatible to your card. __________________________________________________ Do You Yahoo!? Yahoo! - Official partner of 2002 FIFA World Cup http://fifaworldcup.yahoo.com

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Vortex2 and >16 bits playback
by kis＠aha.ru 23 May '02

23 May '02

Hello, I've read all the mailing list archive, and noticed that some people found out how to use MAD at 24 bits (with effective 20) on Vortex2-based cards. But I see no exact instruction on how to do it... My setup: WinAmp 2.80 MAD 0.14.2b out_wave.dll v. 1.03 from Peter Pawlowski Windows 98 SE Aureal SQ Digital (Vortex2 chip, similar to SQ2500, but with optical S/PDIF output) Drivers ver. 4.06.2050 S/PDIF is turned on (actually, I listen via an external DAC) AFAIK there is no way to use WDM driver under Windows 98SE (or at least it is not recommended). When I try to use MAD with 24 bits resolution, I get an error message from the out_wave that this PCM format (44100 Hz, 24 bits, 2 channels) is not supported. So what? How did you manage to work it out? Thanks in advance, Konstantin

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mad-user May 2002