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Old 05-27-03, 02:22 PM   #1
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Default nvaudio 0256 -> regression ?

I had audio on my A7N8X working nicely with the NVIDIA package 0248 (Mandrake 9.0, 2.4.19-32). Now with 0256 they there is a complete driver rather than a patch for i810.

I got everything compiled and installed, but realplayer now tells me "Unable to open sound device".

When using sox with the 0256 nvaudio driver it tells me it can't switch the sample rate from anything other than 48000. Perhaps realplayer is trying to do exactly that and fails.

This corresponds to the kernel messages, too (see below). However with the old driver (based on i810) I had no such problems! Looks like a regression. Any hints?

Here are the kernel messages (the "only 48 khz playback available" looks suspicious to me):

Nvidia + AC97 Audio, version 0.24, 22:14:26 May 20 2003
Nvaudio: in Funcction Nvaudio_init_module
PCI: Setting latency timer of device 00:06.0 to 64
Nvaudio: NVIDIA nForce2 Audio found at IO 0xd800 and 0xd400, IRQ 5
Nvaudio: Audio Controller supports 6 channels.
NVaudio: Defaulting to base 2 channel mode.
ac97_codec: AC97 Audio codec, id: 0x414c:0x4720 (ALC650)
Nvaudio: only 48Khz playback available.
Nvaudio: AC'97 codec 0, new EID value = 0x05c7
Nvaudio: AC'97 codec 0, DAC map configured, total channels = 6
Nvaudio: PROBE is done
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Old 05-27-03, 02:25 PM   #2
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Default Back to 248?

I just saw that NVIDIA seems to have switched back to 0248 - perhaps they discovered probles themselves?

I'm going to use 0248 for the time being.
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Old 05-29-03, 12:28 PM   #3
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Default 0256 doesn't work for me...

When I load 0256 nvaudio It complains of only supporting 48Khz audio and I can't get it to play anything. I haven't tried playing a 48Khz audio file though... maybe I'll try using sox to convert something to that sample rate. In any case, have a driver that only supports 48Khz is almost as useless as having no driver.

Anyway, where are the old versions?

Also, the documentation for intel8x0 (both OSS and ALSA) drivers imply that they should work with the nForce sound devices... They certainly don't seem to work for me.

Anyone have any experience otherwise?
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Old 05-29-03, 03:35 PM   #4
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Alsa works... at least in stereo. have not tried if more than that is working
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Old 06-01-03, 05:16 PM   #5
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Default 0248 works nicely

The 0248 (modified Intel i8x0) driver worked
very nicely for me. The 0248 package must still be around on the nvidia site (in fact, last time I checked it seemed to have replaced 0248 again, that was the reason for my 2nd post in this thread).

Haven't tested anything but stereo either, though.

I think the 48k problem can be worked around by using a sound server like KDE's Arts. (Sox is able to resample sounds, soo). However, this is not what I want. Anyway, the old driver allowed different sample rates, why doesn't the new one?
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