On Wed, 2006-02-01 at 13:54 -0500, Lawrence E. Freil wrote: > Hello, > > I have a MythTV system setup with an AVerMedia AVerTVHD MCE A180 and overall > everything is working well, with the exception of the analog audio port sample > rate (for capturing from the VCR). I have the saa7134_alsa module installed > and working, however it is only delivering at 24000 samples/second. Just > for clarification here is my system config: > > $ cat /proc/version > Linux version 2.6.15 ([EMAIL PROTECTED]) (gcc version 4.0.2) #13 PREEMPT > Sat Jan 14 10:25:24 EST 2006 > > $ cat /proc/asound/version > Advanced Linux Sound Architecture Driver Version 1.0.10. > Compiled on Jan 29 2006 for kernel 2.6.15. > > I determined the 24000 sample rate by capturing with arecord as two channel > raw > then used aplay to play it as a single channel 48000 and it is correct. After > this I made a simple change to saa7134-alsa.c to allow for continuous sample > rate selection and now I can record and playback 24000 correctly. Of course > the quality isn't as good as it should be. I also tested to make sure I was > in fact getting stereo sound and both channels are there, just at half rate. > It seems strange because the datasheet on the SAA7133HL doesn't include this > as a valid sample rate (it list 48000, 44100 and 32000). I have to assume > it really is sampling at 48000 and loosing half the samples somewhere. > > Suggestions anyone?
This driver was written by the V4L people not the ALSA developers, try asking on the V4L list. Lee ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=103432&bid=230486&dat=121642 _______________________________________________ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user
