Hi,

I am using 20061119 snapshot with 2.6.19.2 kernel. I get pops and cracks in the 
sound. My settings are as follows:

$ cat ctl_audio_layer/cur_val
Layer II

$ cat /sys/class/pvrusb2/sn-*/ctl_volume/cur_val
53710

$ cat /sys/class/pvrusb2/sn-*/ctl_audio_bitrate/cur_val
224 kbps

$ cat ctl_audio_mode/cur_val
Stereo

$ cat ctl_audio_emphasis/cur_val
No Emphasis

$ cat ctl_audio_crc/cur_val
No CRC

I have these put into the /etc/init.d/local.start:
 
echo "10485760" > /sys/class/pvrusb2/sn-*/ctl_video_bitrate_peak/cur_val
echo "8388608" > /sys/class/pvrusb2/sn-*/ctl_video_bitrate/cur_val
echo "Constant Bitrate" > /sys/class/pvrusb2/sn-*/ctl_video_bitrate_mode/cur_val
echo "224 kbps" > /sys/class/pvrusb2/sn-*/ctl_audio_bitrate/cur_val
echo "53738" > /sys/class/pvrusb2/sn-*/ctl_volume/cur_val

One thing I noticed is that most of the pops/cracks happen in the shows which 
are telecast in HD 5.1 sound. I am using the regular analog cable to record my 
shows using mythtv. All (mythtv mixer, recorder, transcoder, pvrusb2) volume 
levels are set at 82%. I hear the pops in the .mpg file, so its not the 
transcoder.

Does anybody have any idea about this problem? It has ruined most of recordings 
because most of the content that I typical record is telecast in HD 5.1.

Thanks a lot for your help,
-devsk
PS: should the ctl_audio_layer be Layer III ?




 
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