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24bit + MX300 + Wrapper
by Geoff 05 Sep '01

05 Sep '01

I downloaded the aformentioned wrapper, and lo and behold, it works. I'm using the latest build of drivers for Vortex 2s which you can get from www.vortexofsound.com, and the wrapper program only works with waveout module of Winamp.

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RE: [mad-user] 24bit Output in WinXP on a MX300
by Jens Rex Bræmhøj 04 Sep '01

04 Sep '01

Hello. Below is an e-mail i recieved from Terratec Support. I was complaining that the 24 bit output on the EWX 24/96 was not working under Windows 2000 with the WDM drivers. ------------------Begin Quote------------------------- From: Stacey Curtis [ttsupport(a)terratec.de] ------------------------------------------------------ Hello, The WDM driver architecture does not support 24bit resolution. This is a limitation of the driver architecture itself. For ACPI you must use WDM - but for 24bit you need to use VxD drivers and disable ACPI under W2K. There is no other solution until the WDM architecture is expanded. Mfg/best regards, Stacey Curtis Email: ttsupport(a)terratec.de *****[snip snip snip]***** error: With the newest drivers I am unable to utilize the 24 bit output capability. 16 bit works fine however. With the older drivers (Version 4-something i think) 24 bits worked fine. But i want to use the version 5 driver because it allows me to use ACPI. The problem have persisted through a complete reinstall of Windows 2000. comment: THANKS for fixing the bug where the Digital Out Source was not remembered in the control panel. I was becoming *SO* annoyed by it. -------------------End Quote-------------------------- ------------------------------------------------------ -- Your momma is so dumb, she set her bufferlength to a minimal octal instead of purging the cache. > -----Original Message----- > From: Hitesh Patel [mailto:hpatel99@email.com] > Sent: Tuesday, September 04, 2001 7:18 PM > To: Geoff > Cc: mad-user(a)lists.mars.org > Subject: Re: [mad-user] 24bit Output in WinXP on a MX300 > > > On Mon, 3 Sep 2001 21:57:35 +1000, you wrote: > > >Has anybody gotten this combo to work? > > > >I ask because 24bit output works for MX300 (and I assume all > Aureal cards), > >under WinME. > > > >Any help would be great > >Thanks, > > > >Geoff > > I know it doesn't work with XP with the AudioPhile 2496. > > Which leads me to a question. What exactly is it that is preventing > me from having 24bit output? Is it the Winamp output plugin, or is it > the OS (XP now and W2K before that), or is it the M-Audio drivers? > > I have tried just about everything, including: > > Disabling ACPI so that Win2K would let me assign IRQs manually, > > which led to > > Reformatting and installing WIN2K > > As a result the 2496 has its own IRQ of 9. No more shared IRQs. > > I tried the Win NT drivers for the 2496. I set the max blocksize to > 16k and the min blocksize to 4k. This results in 24 bit output working > but with a horrible static/buzz that drowns out the actual music, no > matter what settings I try. > > What else should I do? I would love ANY suggestions. > > Regards, > > Hitesh Patel. > > >

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RE: [mad-user] Audio quality vs Nullsoft decoder
by Yura Kloubakov 04 Sep '01

04 Sep '01

I'm using Windows 2000 and Winamp 2.76 and I've noticed a "click" every time Winamp starts playing a new track when using mad plug-in. There is no such problem with Winamp's default decoder. I think it's somehow related to the caching algorithm. May be the default decoder reads the beginning of the next track while finishing playing the current one. Anyway even with the default decoder there are problems with playing the track and using Windows Explorer under Windows 2000. Yuri. -----Original Message----- From: mad-user-admin(a)lists.mars.org [mailto:mad-user-admin@lists.mars.org]On Behalf Of Geoff Sent: September 4, 2001 03:13 To: mad-user(a)lists.mars.org Subject: Re: [mad-user] Audio quality vs Nullsoft decoder It's fantastic. You don't even have to think to hear the diffrence - particularly with mp3s encoded at a lower bit rate - they sound much much better. Also if you can your Vortex 2 to accept 24bit it's even better. Geoff ----- Original Message ----- From: "George Pantazopoulos" <themaxx(a)mediaone.net> To: <mad-user(a)lists.mars.org> Sent: Tuesday, September 04, 2001 12:56 AM Subject: [mad-user] Audio quality vs Nullsoft decoder > > Have you guys done many comparisons between MAD and the defualt mp3 > decoder? What were your results and how much of a diffrence is there? What > kind of music did you use, etc? Im in the process of testing it myself as > well. I cant wait till my Hoontech DSP24 VE comes in to try this baby out :) > > > Thanks, > George Pantazopoulos > >

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Audio quality vs Nullsoft decoder
by George Pantazopoulos 04 Sep '01

04 Sep '01

Have you guys done many comparisons between MAD and the defualt mp3 decoder? What were your results and how much of a diffrence is there? What kind of music did you use, etc? Im in the process of testing it myself as well. I cant wait till my Hoontech DSP24 VE comes in to try this baby out :) Thanks, George Pantazopoulos

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24bit output soundcards - Vortex 2s
by Geoff 03 Sep '01

03 Sep '01

Well I found my answer here: http://www.tbrowne.demon.co.uk/comp/projects/dacs.htm In short, the MX300 doesn't acutally have 24 bit output but it does a very high quality downsample to 48kHz via an onboard SRC. Apparently the SBLives are supposed to have this although the quality isn't that good. Anyway, the reason this popped up is because I noticed a drop in playback quality from WinME (24bit, downsampled to 16bit on the card), to WinXP (16bit). Geoff

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MAD in CoolPlayer
by Rob Leslie 31 Aug '01

31 Aug '01

For CoolPlayer enthusiasts: I've just committed a working version of MAD into the newly GPL'd CoolPlayer project at SourceForge: http://sourceforge.net/projects/coolplayer/ There's not an official executable release yet, but I expect you'll see one before long. If you're developer-inclined, you can get the latest code from CVS and try it out. Cheers, -- Rob Leslie rob(a)mars.org

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Dithering Algorithm
by Marcus Kwok 22 Aug '01

22 Aug '01

On the r3mix forum (http://66.96.216.160/cgi-bin/YaBB.pl?board=general&action=display&num=99616…) they mention something about the error variable is uninitialized between songs, resulting in different decodes of the same song. They also mention that perhaps it might be better (speed or quality, I'm not sure) to use trunc() or round() instead of floor() in the algorithm. -- Marcus B. Kwok | 338178 Georgia Tech Station | AOL Instant Messenger: SLuGHEAd78 Atlanta, GA 30332 | ICQ: 20039767 http://gtf.org/ricecake/ | ricecake(a)gtf.org

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madplay in cirrus logic EP7312
by 陆如枫 22 Aug '01

22 Aug '01

Hi: all Did any one have ever tried to run madplay in Cirrus-logic EP7312 with Bluecat linux? The problem I meet is: when using the "audio_empeg" module and "mono" selection ,I can get normal decoded sound output, when selecting stereo,the output sound is noised. And the wave-format is OK. Can anyone tell me what is wrong and how can I get nomal stereo sound.

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Now that CoolPlayer is Open Source, how about making it a showcase for MAD?
by Roger Ramsey 19 Jul '01

19 Jul '01

The author of CoolPlayer has now made it Open Source. Would Rob or some other worthy consider removing the XAudio decoding engine from it and making it the showcase for MAD? Roj ICQ: 12258585 "Faith manages." jms

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M-Audio Audiophile 24/96
by Scott 15 Jul '01

15 Jul '01

I am new to the list so please excuse me if this topic has already been discussed. I have searched the internet trying to find out why my M-Audio Audiophile 24/96 will not play back in 24bit mode. I am running Windows XP RC1 Beta and I am using M-Audio's latest Windows 2000 WDM drivers. I have verified with M-Audio that this driver version does support 24bit output. They told me: "The latest drivers are 4.12.1.20 are 24 bit but limited to your application rather then the drivers". When I try to play an mp3 file via winamp with the MAD plugin enabled with 24bit selected, I get an error that the format is not supported. I currently have this installed in my old Intel BX chipset based motherboard with a Intel Celeron 400mhz processor with 384 megs of PC100 SDRAM.

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