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Troubleshooting:Prebuffering pause - MythTV Official Wiki
https://www.mythtv.org/wiki/Troubleshooting:Prebuffering_pause
<date> <time> WriteAudio: buffer underrun. Audio may sound normal when playing back; audio may play back too quickly, making voices sound like "chipmunks", or there may be no audible audio. ... As of about MythTV 0.18, mythfrontend will attempt to use the network mounted filesystem to access recording files before requesting a stream delivery ...
Digital Audio Tutorial - MythTV Official Wiki
https://www.mythtv.org/wiki/Digital_Audio_Tutorial
When using the onboard graphics on this motherboard I also got lots of "WriteAudio: buffer underrun" on some HD channels and more or less unwatchable video. After installing a Gainward 8400GS 512MB card this problem is solved. Fedora. If you are running Fedora, remove pulseaudio and all its files.
#5749 (Internal player stutters on 720p content) – MythTV
https://code.mythtv.org/trac/ticket/5749
shortlog (75.5 KB) - added by dl-mythtv@… 13 years ago. mythfrontend --verbose log showing audio buffer underrun stutter.patch.gz (705 bytes) - added by dl-mythtv@… 13 years ago. Quick and dirty "fix" for audio stuttering during 720p playback, gzipped so that I could attach it
Airplay: issue with playback of iPhone/iPad ... - MythTV
https://code.mythtv.org/trac/ticket/12302
The ALSA: WriteAudio: buffer underrun issue should be fixed by 7cb7ed9b5. Increasing the new setting that is added by that commit will read more audio data equal to the number of milliseconds specified.
#9930 (Distorted alsa-output on some soundcards) – MythTV
https://code.mythtv.org/trac/ticket/9930
2011-07-22 10:29:49.960 WriteAudio?: Preparing 8822 bytes (2205 frames) data in the buffer 8822 bytes, written to soundcard 2205*2*2 = 8820 bytes so one sample is missing. Because only one sample is missing after every call of WriteAudio?() the channels are switched.
Bug #179634 “Jerky audio and video on GA-PCV2 motherboard ...
https://bugs.launchpad.net/mythbuntu/+bug/179634
WriteAudio: buffer underrun. In the BIOS I increased the shared video memory from 32MB to 64MB but watchtv performance didn't seem any better. I looked in the dmesg output and saw: [ 27.000000] vt8623fb 0000:01:00.0: memory size detection failed (20 40), suppose 16 MB [ 27.000000] fb0: VIA VT8623 on 0000:01:00.0, 16 MB RAM
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