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Sound Troubleshooting - MythTV Official Wiki
https://www.mythtv.org/wiki/Sound_Troubleshooting#:~:text=Audio%20problems%20with%20these%20cards%20are%20therefore%20likely,on%20cards%20that%20follow%20the%20%22Blackbird%22%20reference%20design.
Sound Troubleshooting - MythTV Official Wiki
https://www.mythtv.org/wiki/Sound_Troubleshooting
Audio problems with these cards are therefore likely to be related to the capture card's drivers or to the way MythTV interacts with the hardware encoding device. Muted audio on a CX88 "Blackbird" card The combination of Conexant CX2388x and CX23416 chips is often found on cards that follow the "Blackbird" reference design.
Configuring Digital Sound - MythTV Official Wiki
https://www.mythtv.org/wiki/Configuring_Digital_Sound
The default in modern Linux systems that use the 2.6 kernel is now ALSA. For MythTV installations it is advisable to turn off any sound servers that sit on top of ALSA such as Pulse Audio or the KDE or Gnome sound servers. Bit Perfect Audio. Digital sound is the preferred method to get audio from a MythTV installation for two reasons 1. We want to have the audio …
Audio Issues on Intel NUC - MythTV Official Community Forum
https://forum.mythtv.org/viewtopic.php?t=3030
The speaker test function in Myth works as expected and plays the white noise through all six speakers. 2. Audio stuttering if I select VAAPI, OpenGL or VDPAU playback. This is an Intel video card (HD 500) and the driver is being loaded in Xorg.0.log. I have to select Thin/Normal/High Quality for the sound to play correctly. 3.
MythTV/Install/Troubleshooting - Community Help Wiki
https://help.ubuntu.com/community/MythTV/Install/Troubleshooting
To solve the problem, open mythfrondend, go to Utilities/Setup -> Setup -> TV Settings -> Recording Profiles -> Software Encoders -> Live TV and change the audio sample rate to 48 kHz. Test effect. Then do the same to settings in Default, High Quality, Low Quality. This solution is based on the MythTV Wiki.
User Manual:Diagnosing Problems - MythTV Official Wiki
https://www.mythtv.org/wiki/User_Manual:Diagnosing_Problems
On the MythTV discussion forums there are many questions related to peformance issues that often have a simple fix. Performance issues often manifest themselves as video or audio stutter during live TV, or slow transcoding of recordings. Of course it might just be a a bug in the release of software that you are using.
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