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ALSA upmixing - MythTV Official Wiki
https://www.mythtv.org/wiki/ALSA_upmixing
WORK IN PROGRESS! Not linked from anywhere, nobody panic. This page will attempt to explain in relatively simple and straightforward terms how to use ALSA to upmix the stereo output from common audio sources to actually use all the speakers in a non-digital (4.1, 5.1, 7.1, etc.) configuration. The assumptions being made are that you will have ALSA sound modules …
Digital Audio Tutorial - MythTV Official Wiki
https://www.mythtv.org/wiki/Digital_Audio_Tutorial
Set Myth up for digital sound. There are several ways to the same end on this but the method below is the most straight forward at this point. Audio output device: ALSA:default Passthrough output device: Default Max Audio Channels: Stereo (MUST BE SET TO STEREO as of 6/2/2009 for passthrough to work) Upmix: Passive Enable AC3 to SPDIF ...
#5900 (AO: Generalise upmix and AC-3 encoding) – MythTV
https://code.mythtv.org/trac/ticket/5900
This patch generalises the upmix / AC-3 (re)encode functionality. Main thing is that it makes upmix and encode to DD5.1 work. Also: Fix resampler clipping ; Turn on resampler where sr != 48k [1] Fix passthru where main dev:subdev == passthru dev:subdev [2] Add keybind (Ctrl+U) / OSD menu option to toggle upmixing
Release Notes - 0.23 - MythTV Official Wiki
https://www.mythtv.org/wiki/Release_Notes_-_0.23
Simplified audio setup (digital audio users will need to edit their settings, typically if using surround setup, change Stereo to 5.1) Channel Scanner - Analog channel scanning fixed ; Audio. Ability to upmix stereo material to 5.1 and encode as …
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.
No volume control on HDMI audio - MythTV Official ...
https://forum.mythtv.org/viewtopic.php?t=4472
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. Inside the internal volume control is also a 'software' option that causes mythtv to use internal logic to adjust volume, in case the mixer volume control does not work.
MythTV, Open Source DVR
MythTV is a Free Open Source software digital video recorder (DVR) project distributed under the terms of the GNU GPL. It has been under heavy development since 2002, and now contains most features one would expect from a good DVR (and many new ones that …
watching recording : sound but no voice - ReadList.com
https://readlist.com/lists/mythtv.org/mythtv-users/29/148015.html
soft : mythtv 0.22-fixes through r22772 Audio output device : ALSA:default Passtrhough output device : Default Max audio channel : Stereo Upmix : Passive Mixer Device : ALSA:default mixer controls PCM Any help will be greatly appreciated Guilaume Here is output of mythfrontend -v audio 2009-11-14 01:15:10.585 TV: Attempting to change from None ...
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