Talk:Audio settings: Difference between revisions

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====AUDIO WIP WIP WIP====
====AUDIO WIP WIP WIP====
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=== Audio Output GUI===
=== Audio Output GUI===

Revision as of 08:48, 22 April 2013

AUDIO WIP WIP WIP

40% Completed


Audio Output GUI

AE brings several new settings to the graphical user interface (GUI) as well as to advancedsettings.xml.

Settings -> System -> Audio output
NOTICE The screenshot below is just for illustration/documentation purposes, do not setup your XBMC audio that way, unless with compatible hardware connected.


Settings - Audio Output.png
| Audio output |Analog
colspan="15" style="color:#000000; background-color:#DBDBDB;"
This allows you to tell XBMC about the type of connection to the audio equipment so it can set the available GUI options appropriately, in addition it tells XBMC the LPCM capabilities of the connection.
Disables all the "capable receiver" options for passthrough and allows multi-channel LPCM to be pass to a soundcard.
:Note:  Analog in this case does not mean a D/A conversion is done by XBMC, this setting purely enables the hand-off of the LPCM data to allow either a on-board soundcard or off-board USB soundcard to do | :- Optical/Coax: This enables the selection of the Dolby Digital and DTS capable receiver options and limits the output of LPCM to 2 channels.


This allows you to tell XBMC about the type of connection to the audio equipment so it can set the available GUI options appropriately, in addition it tells XBMC the LPCM capabilities of the connection.
Note: This unrelated with telling XBMC where the audio is actually sent, this is done via Audio output device and Passthrough output device settings.
:- Analog: Disables all the "capable receiver" options for passthrough and allows multi-channel LPCM to be pass to a soundcard. 
:Note:  Analog in this case does not mean a D/A conversion is done by XBMC, this setting purely enables the hand-off of the LPCM data to allow either a on-board soundcard or off-board USB soundcard to do | :- Optical/Coax: This enables the selection of the Dolby Digital and DTS capable receiver options and limits the output of LPCM to 2 channels. :
:Note: If you want to transcode one format to another, for example DTS is not supported on your receiver but AC3 is, then select just AC3 however as the DTS is decoded to LPCM before being encoded again    to  AC3 then the resulting audio will be AC3 2.0 only due to the LPCM 2.0 limit imposed by selecting Optical/Coax, if you want a full 5.1 channel transcode you'll have to select the HDMI option even if       you're not using a HDMI output.
:- HDMI: This enables all the capable receiver options, so in addition to what's available for Optical/Coax, TrueHD, DTS-HD and Multichannel LPCM capable receiver options are now selectable, in | addition there is no limit on how LPCM is passed.
; Speaker Configuration
Select your physical speaker layout. 
Note:  If connected to a TV then don't set higher than 2.0 as it's not likely that it'll will be supported, only set higher if it's known for sure that channel configuration is supported e.g. 5.1
; Boost volume level on downmix
Boosts AC3 streams that have been downmixed to 2 channels
 ; Output stereo to all speakers
This upmixes 2 channel stereo sources to what specified by the Speaker Configuration so audio is output on all speakers

|}


- Dolby Digital (AC3) capable receiver
Select this option if your receiver is capable of decoding AC3 streams.
Note: AAC is transcoded to AC3 when this option is checked. (AC3 capable receiver is required.)
- DTS capable receiver
Select this option if your receiver is capable of decoding DTS streams.
- AAC capable receiver
Select this option if your receiver is capable of decoding AAC streams.
Note: AAC receivers likely do not natively decode AAC in passthrough, likely shows up as LPCM. This is not a XBMC/AE limitation
- MultiChannel LPCM capable receiver
Select this option if your receiver is capable of decoding LPCM streams.

- TrueHD capable receiver
Select this option if your receiver is capable of decoding TrueHD streams.
- DTS-HD capable receiver
Select this option if your receiver is capable of decoding DTS-HD streams.

Audio output device

This is the device you use to play LPCM or audio decoded by XBMC such as mp3's and FLAC. Note: If XBMC plays a file which has audio that the system does not support (thus the above capable receiver option is not selected e.g. DTS capable receiver is not selected) then it is either transcoded to a supported format or decoded and sent as LPCM, in both cases this will be the audio device used.

Passthrough output device

This device you use to play the encoded formats, these are any of the formats checked above in the "capable receiver" options.


Play GUI sounds

This sets how interface sounds are handled such as when navigating the menus, select from Never, Only when playback stopped, or Always. |}


IMPORTANT NOTE:

The "capable receiver" options relate only to the passthrough of audio to another device such as an AVR, where that device must support decoding of the format. Before leaving any "capable receiver" option enabled check to make sure that both the playback device running XBMC (e.g. HTPC) and the connected device (e.g. AVR) both support that format.

If you have a "capable receiver" option enabled that your device does not support then this will result in poor playback of video typically with a very low frames-per-second and no audio, so for example if the TrueHD capable receiver option were enabled then make sure that the playback device can passthrough TrueHD and that the connected device can decode TrueHD, if either of the devices do not support TrueHD then the TrueHD capable receiver option MUST be left disabled.

For any format where the "capable receiver" option is not selected, XBMC will still playback any content containing those audio types, however instead of the audio being passed through, XBMC will decode audio and then send the audio in a compatible format.

If connected directly to a TV be aware that TV are not compatible with DTS, TrueHD or DTS-HD, typically the only encoded format a TV will be compatible with is AC3.