I don't know how you guys feel about repeat posts, so I'm probably breaking some sort of internet ettiquite rule, but I really would like this answered, if possible.
--- jt olds <[EMAIL PROTECTED]> wrote: > I have been following this mailing list for a while, and I've seen > quite a few problems with the i8x0 chipset (ac97) but I have not seen > any solutions (besides a few angry people switching to OSS, e.g. > http://www.linuxquestions.org/questions/archive/1/2002/03/1/10289). > Let > me explain whats been going on. > I have an Intel (i8x0) chip and what happens is half the time I get > chipmunk sound (a low sample rate is being pushed through a high one, > or something like that) and the other half I get really low pitch, > slow > sound (the opposite) > I'm trying to get MythTV to work, and the strange part is MythTV > works > fine, all the time, no problems whatsoever with sound. It has the > right > pitch and no problems. This is for the live-tv section and the > recorded-programs section. However, MythMusic (a music database > application) responds in the same fashion as I am about to describe > mpg123 > However, when I first boot my computer, mpg123 (output rate at 44100) > and artsd (kde's sound server, which is set to use Threaded OSS) > sounds > really high pitched and chipmunk like. > If I force mpg123 to use a higher sample rate than 44100, (mpg123 -r > 48000) it doesn't sound as chipmunk-y, but it still sounds too high > pitched and fast. > If I wait for MythTV to start recording something (It records sound > using line in on /dev/dsp), trying mpg123 again creates the result of > very low pitched sound. If I force mpg123 to use a sample rate of > 32000 > instead of 44100, then the music sounds normal. > Any ideas of what is going on? I guess I'm a little new to all this > sound stuff, so if I failed to include something, I would be happy to > add. > Thanks. > > I'm using the latest debian source package of Alsa 1.0.2c-3 and > Debian's precompiled kernel 2.6.3-1-686. > > I've noticed you usually request this, so > cat /proc/asound/card0/codec97#0/ac97#0-0* produces: > 0-0/0: Analog Devices AD1885 > > Capabilities : -headphone out- > DAC resolution : 16-bit > ADC resolution : 16-bit > 3D enhancement : Analog Devices Phat Stereo > > Current setup > Mic gain : +20dB [+20dB] > POP path : pre 3D > Sim. stereo : off > 3D enhancement : on > Loudness : off > Mono output : MIX > Mic select : Mic1 > ADC/DAC loopback : off > Extended ID : codec=0 rev=0 DSA=0 VRA > Extended status : VRA > PCM front DAC : 18903Hz > PCM ADC : 27434Hz > > > > AD18XX configuration > Unchained : 0x1000,0x0000,0x0000 > Chained : 0x0000,0x0000,0x0000 > > 0:00 = 0410 > 0:02 = 0606 > 0:04 = 0606 > 0:06 = 0003 > 0:08 = 0000 > 0:0a = 001e > 0:0c = 001f > 0:0e = 0040 > 0:10 = 8303 > 0:12 = 0303 > 0:14 = 0303 > 0:16 = 1f1f > 0:18 = 0707 > 0:1a = 0000 > 0:1c = 0d0d > 0:1e = 0000 > 0:20 = 2000 > 0:22 = 000d > 0:24 = 0000 > 0:26 = 800f > 0:28 = 0001 > 0:2a = 0001 > 0:2c = 49d7 > 0:2e = 0000 > 0:30 = 0000 > 0:32 = 6b2a > 0:34 = 0000 > 0:36 = 0000 > 0:38 = 0000 > 0:3a = 0000 > 0:3c = 0000 > 0:3e = 0000 > 0:40 = 0000 > 0:42 = 0000 > 0:44 = 0000 > 0:46 = 0000 > 0:48 = 0000 > 0:4a = 0000 > 0:4c = 0000 > 0:4e = 0000 > 0:50 = 0000 > 0:52 = 0000 > 0:54 = 0000 > 0:56 = 0000 > 0:58 = 0000 > 0:5a = 0000 > 0:5c = 0000 > 0:5e = 0000 > 0:60 = 0000 > 0:62 = 0000 > 0:64 = 0000 > 0:66 = 0000 > 0:68 = 0000 > 0:6a = 0000 > 0:6c = 0000 > 0:6e = 0000 > 0:70 = 2000 > 0:72 = 0300 > 0:74 = 1000 > 0:76 = d800 > 0:78 = 6b2a > 0:7a = 49d7 > 0:7c = 4144 > 0:7e = 5360 > > just in case, lsmod gives: > Module Size Used by > i810_audio 33844 0 > ac97_codec 19084 1 i810_audio > snd_pcm_oss 54500 0 > snd_mixer_oss 20064 2 snd_pcm_oss > radeon 120684 0 > md5 3872 1 > ipv6 255264 8 > snd_bt87x 13380 0 > snd_intel8x0 34376 2 > snd_ac97_codec 63492 1 snd_intel8x0 > snd_pcm 101316 3 snd_pcm_oss,snd_bt87x,snd_intel8x0 > snd_timer 25956 1 snd_pcm > gameport 4704 1 snd_intel8x0 > snd_page_alloc 12228 3 snd_bt87x,snd_intel8x0,snd_pcm > snd_mpu401_uart 7840 1 snd_intel8x0 > snd_rawmidi 24928 1 snd_mpu401_uart > snd_seq_device 8072 1 snd_rawmidi > snd 55428 13 > snd_pcm_oss,snd_mixer_oss,snd_bt87x,snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer,snd_mpu401_uart,snd_rawmidi,snd_seq_device > smbfs 68376 3 > mousedev 10004 1 > psmouse 19976 0 > tuner 18124 0 > tvaudio 22348 0 > bttv 151084 0 > video_buf 21380 1 bttv > i2c_algo_bit 9800 1 bttv > v4l2_common 6144 1 bttv > btcx_risc 4808 1 bttv > i2c_core 23396 4 tuner,tvaudio,bttv,i2c_algo_bit > videodev 9952 1 bttv > soundcore 10208 4 i810_audio,snd,bttv > 3c59x 37960 0 > af_packet 22216 0 > rtc 12696 0 > ext3 121064 2 > jbd 62072 1 ext3 > mbcache 9220 1 ext3 > sd_mod 16736 0 > ata_piix 8036 0 > libata 40928 1 ata_piix,[permanent] > scsi_mod 118136 2 sd_mod,libata > ide_disk 18560 3 > ide_detect 1088 0 > piix 12768 1 > ide_core 157644 3 ide_disk,ide_detect,piix > unix 28368 351 > font 8320 0 > cfbcopyarea 3968 0 > cfbimgblt 3168 0 > cfbfillrect 3904 0 > > If you need anything else please let me know. > Again, thanks for any help you can offer. > -JT > > ===== > From the desk of JT Olds > http://jtolds.xnet5.com/ > God bless you! > > > __________________________________ > Do you Yahoo!? > Yahoo! Search - Find what you�re looking for faster > http://search.yahoo.com > > > ------------------------------------------------------- > This SF.Net email is sponsored by: IBM Linux Tutorials > Free Linux tutorial presented by Daniel Robbins, President and CEO of > GenToo technologies. Learn everything from fundamentals to system > administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click > _______________________________________________ > Alsa-user mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/alsa-user ===== >From the desk of JT Olds http://jtolds.xnet5.com/ God bless you! __________________________________ Do you Yahoo!? Yahoo! Search - Find what you�re looking for faster http://search.yahoo.com ------------------------------------------------------- This SF.Net email is sponsored by: IBM Linux Tutorials Free Linux tutorial presented by Daniel Robbins, President and CEO of GenToo technologies. Learn everything from fundamentals to system administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click _______________________________________________ Alsa-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-user
