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Configuring Digital Sound - MythTV Official Wiki
https://www.mythtv.org/wiki/Configuring_Digital_Sound
Digital sound is the preferred method to get audio from a MythTV installation for two reasons 1. We want to have the audio decoding done outside of the computer for greater sound quality. 2. We want to play DVD with full surround sound using DTS or Dolby Digital. You need to be aware that ALSA by default will upsample all of your audio to 48 kHz.
Sound Troubleshooting - MythTV Official Wiki
https://www.mythtv.org/wiki/Sound_Troubleshooting
MythTV Frontend, Setup, Audio While it may seem obvious in hindsight, first one should see what the operating system thinks it is using for the current audio output. E.g. look at Preferences or Settings, Sound, Output . Otherwise, one may invite the confusion of: having the operating system's Test of sound succeeding (for e.g. Line Out), and
Digital Audio Tutorial - MythTV Official Wiki
https://www.mythtv.org/wiki/Digital_Audio_Tutorial
MythTV 0.23 and trunk This version treats audio differently. Apparently, you will need a control port definition in asound.conf. Adjust the card number to match your system. ctl.!default { type hw card 0 } Special system specific things DVI to HDMI
PCI TV audio - MythTV Official Wiki
https://www.mythtv.org/wiki/PCI_TV_audio
MythTV Configuration For each capture card, you need to specify a device for audio capture. Specify it in mythtv-setup->Capture cards->V4L->Audio Device. Mythtv supports either OSS audio capture or ALSA capture. ALSA is recommended. To use ALSA, set Audio Device to …
No volume control on HDMI audio - MythTV Official ...
https://forum.mythtv.org/viewtopic.php?t=4472
You can use MythTV internal volume control. This works as longs as you have not selected "Digital Audio Capabilities", which you have not selected. mythfrontend -> setup -> Audio -> Use internal volume controls. Then you use left and right square brackets [] to adjust volume, or other keys which you can assign in setup.
Fm radio - MythTV Official Wiki
https://www.mythtv.org/wiki/Fm_radio
With MythDora 4.0 ivtv-radio is in /usr/bin. Modify scripts accordingly. If you have 2 PVR-150s then the radio may be on /dev/radio1. If so, add -d /dev/radio1 to the ivtv-radio lines. If the radio is at /dev/radio1 then the PCM device to use is /dev/video25. Add -i /dev/video25 to use this PCM device. Screen shots The new default main menu:
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