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Author Topic: directsound audio flutter  (Read 2655 times)

shAf

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directsound audio flutter
« on: September 20, 2003, 12:00:28 pm »

I was wondering if anyone else hears what I hear, ... that is, after playing MP3s after approximately an hour a slight "flutter" will begin, and it gets worse though the next hour, to a point where the sound is almost terrible.  But then, all I have to do is stop and restart (the track, not MC9), and it will be fine for another hour.

It seems to happen only for having configured the output for 'directsound' ... if I configure it instead for 'ASIO', it will not occur.

Media Center Registered 9.0.180 -- C:\Program Files\J River\Media Center\

Microsoft Windows 2000 5.0 Service Pack 4 (Build 2195)
Intel Pentium 4 2403 MHz MMX / Memory: Total - 523 MB, Free - 329 MB

Internet Explorer: 5.00.3700.1000 / ComCtl32.dll: 5.81 / Shlwapi.dll: 5.00.3806.1200 / Shell32.dll: 5.00.3700.6705 / wnaspi32.dll: N/A
Ripping /   Drive D:   Copy mode:ModeSecure   CD Type:Auto   Read speed:4
 Digital playback: Yes /  Use YADB: Yes /  Get cover art: Yes /  Calc replay gain: Yes /  Copy volume: 32767
 Eject after ripping: Yes /  Play sound after ripping: No  

Burning /  Drive D: PLEXTOR  DVDR   PX-504A     Addr: 1:1:0  Speed:8  MaxSpeed:16  Use MJ Engine:Yes
 Test mode: No /  Eject after writing: Yes /  Direct decoding: Yes /  Write CD-Text: No
 Use playback settings: Yes /  Normalization: None
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cheerios from the Avalon Peninsula, Newfoundland

phelt

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Re: directsound audio flutter
« Reply #1 on: September 22, 2003, 02:08:21 am »

Hrm, I don't get this exact problem. I have noticed problems with directsound and very short crossfade settings, though. Perhaps there is something yet to be found... BTW, you didn't mention which soundcard you're using (mine is the Terratec Aureon Space).
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shAf

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Re: directsound audio flutter
« Reply #2 on: September 22, 2003, 02:50:12 am »

Yes the SC should have been mentioned, and is just one of those important things which should be listed by MC info.  My card is a M-audio Revo & latest drivers.
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cheerios from the Avalon Peninsula, Newfoundland

aussie1

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Re: directsound audio flutter
« Reply #3 on: September 22, 2003, 10:11:14 pm »

I'm using the M-audio revo and I have the same problem.
S
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shAf

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Re: directsound audio flutter
« Reply #4 on: September 23, 2003, 08:30:45 am »

Quote
I'm using the M-audio revo and I have the same problem.


Hmmm? ... and no similar responses from any other sound cards(?)  Appears to be something to report to M-audio support.

JRiver:  How to best report this(?)  If you don't have a Revo to troubleshoot with, and they don't have MC ... how do we describe the problem, or otherwise provide them with enough information?

tia  :)
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cheerios from the Avalon Peninsula, Newfoundland

JimH

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Re: directsound audio flutter
« Reply #5 on: September 23, 2003, 11:37:35 am »

Quote


JRiver:  How to best report this(?)  If you don't have a Revo to troubleshoot with, and they don't have MC ... how do we describe the problem, or otherwise provide them with enough information?

If you have a good contact there, let them know we'd be glad to try to help.  If they need a license, they can contact me at jimh @ jriver.com.

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phelt

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Re: directsound audio flutter
« Reply #6 on: September 23, 2003, 01:42:17 pm »

Possibly of note: IIRC, Terratec Aureon boards use the same primary chip as the Revo series.
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aussie1

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Re: directsound audio flutter
« Reply #7 on: September 24, 2003, 04:34:54 pm »

Jim,

I have an ongoing e-mail discussion with M-audio's tech support about this. I'll cc you on the next message and include a link to this discussion thread.

S
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shAf

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Re: directsound audio flutter
« Reply #8 on: September 26, 2003, 05:23:12 am »

Quote
I have an ongoing e-mail discussion with M-audio's tech support about this. ...

Their reply to me would have implied more of us should be experiencing the same problem ... as if it's an inherent problem with 'directsound' resources, and not the M-Audio cards or drivers ... but they also implied they're working on it.

Any possibility its associated with the Windows OS (... mine is Win2000 ...)
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cheerios from the Avalon Peninsula, Newfoundland
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