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[jgourd]

I remember when OGG was first proposed that it was supposed to hold more than 2 channels of audio. Has anyone here ever tried playing back a multi-channel OGG file? Does MC even have the ability to play one? Is there a ripper that can convert AC3 to multi-channel OGG?

[xen-uno]

Check into BeSweet (& BeSweetGUI)...

http://dspguru.notrace.dk/

10^-27

edit: excerpts from... http://forum.doom9.org/showthread.php?s=&threadid=15738#post77320

7. What are the input formats supported by BeSweet ?
AC3,LPCM,WAV,MP3,MP2,MPA,Ogg Vorbis.
also VOB & AVI containing the above audio formats are also supported.
LST & MUX files for multifiles processing.

8. What are the output formats offered by BeSweet ?
Mpeg - MP3,MP2,MPA.
AC3 - 2.0AC3, 5.1AC3, DolbyDigital WAV.
Ogg - Stereo, 6Ch vorbis.
AIFF - 5.1AIFF, 5.0AIFF.
WAVE - 16bit Stereo WAV. 16bit Multichannel 5.1 WAV. 16/32bit 6 Mono WAVs.

[Ce.D]

Hello All,

I can confirm BeSweet makes wonders with AC3 files and OGG transcoding.

"Problem is" Media Center (10.0.173) and Vorbis Input plug-in (2.0.57) are unable to render 6-channel OGG files: "Media Center encountered errors while trying to play the last several files / Error: Unknown error"

Playing a 2-ch OGG file goes just fine.

Playing the 6-ch OGG file using OGG DirectShow filter (in GraphEdit) goes just as fine (and outputs goose-bumping 6-channels sound through my Sonica's SPDIF connexion).

[edited] BTW, playing the corresponding 6-ch DTS-WAV through MC also goes as fine

Below are the BeSweet transcoding logs.

May we expect an updated Vorbis Input plug-in that solves this issue ? That'd be cool 

[OGG 2-ch]

BeSweet v1.4 by DSPguru.
--------------------------
Using azid.dll v1.8 (b825) by Midas  (midas@egon.gyaloglo.hu).
Using Ogg Vorbis v1.0 dlls   (http://www.vorbis.com).

Logging start : 12/21/04 , 20:40:58.

C:\Program Files\DVD Edit\BeSweet\BeSweet.exe -core( -input e:\shared\Video\DVD\02.ac3 -output e:\shared\Video\DVD\02.ogg -logfile C:\Program Files\DVD Edit\BeSweet\BeSweet.log ) -azid( -c normal -L -3db ) -ota( -hybridgain ) -ogg( -q 0.200 ) -profile( DSPguru_Ogg_Vorbis_2ch )

[00:00:00:000] +------- BeSweet -----                         
[00:00:00:000] |  Input : e:\shared\Video\DVD\02.ac3
[00:00:00:000] |  Output: e:\shared\Video\DVD\02.ogg
[00:00:00:000] |  Floating-Point Process: Yes
[00:00:00:000] +-------- AZID -------                             
[00:00:00:000] |  Input Channels Mode: 3/2, Bitrate: 448kbps
[00:00:00:000] |  Output Stereo mode: Dolby surround compatible
[00:00:00:000] |  Total Gain: 0.000dB, Compression:  Normal
[00:00:00:000] |  LFE levels: To LR -3.0dB, To LFE 0.0dB
[00:00:00:000] |  Center   mix level: BSI
[00:00:00:000] |  Surround mix level: BSI
[00:00:00:000] |  Dialog normalization: No
[00:00:00:000] |  Rear channels filtering: No
[00:00:00:000] |  Source Sample-Rate: 48.0KHz
[00:00:00:000] +-------- OGG --------
[00:00:00:000] |  VBR Quality     : 0.200
[00:00:00:000] +---------------------
[00:04:31:520] Conversion Completed !
[00:04:31:520] Actual Avg. Bitrate  : 88kbps
[00:01:37:000] <-- Transcoding Duration
Logging ends : 12/21/04 , 20:42:35.

[OGG 6-ch]

BeSweet v1.4 by DSPguru.                         
--------------------------
Using azid.dll v1.8 (b825) by Midas  (midas@egon.gyaloglo.hu).
Using Ogg Vorbis v1.0 dlls   (http://www.vorbis.com).

Logging start : 12/21/04 , 20:37:01.

C:\Program Files\DVD Edit\BeSweet\BeSweet.exe -core( -input e:\shared\Video\DVD\02.ac3 -output e:\shared\Video\DVD\02.ogg -logfile C:\Program Files\DVD Edit\BeSweet\BeSweet.log ) -azid( -c normal -L -3db ) -ota( -hybridgain ) -ogg( -q 0.200 -6ch ) -profile( ~~~~~ Default Profile ~~~~~ )

[00:00:00:000] +------- BeSweet -----                         
[00:00:00:000] |  Input : e:\shared\Video\DVD\02.ac3
[00:00:00:000] |  Output: e:\shared\Video\DVD\02.ogg
[00:00:00:000] |  Floating-Point Process: Yes
[00:00:00:000] +-------- AZID -------                             
[00:00:00:000] |  Input Channels Mode: 3/2, Bitrate: 448kbps
[00:00:00:000] |  Total Gain: 0.000dB, Compression:  Normal
[00:00:00:000] |  LFE levels: To LR -3.0dB, To LFE 0.0dB
[00:00:00:000] |  Center   mix level: BSI
[00:00:00:000] |  Surround mix level: BSI
[00:00:00:000] |  Dialog normalization: No
[00:00:00:000] |  Rear channels filtering: No
[00:00:00:000] |  Source Sample-Rate: 48.0KHz
[00:00:00:000] +-------- OGG --------
[00:00:00:000] |  VBR Quality     : 0.200
[00:00:00:000] +---------------------
[00:04:31:520] Conversion Completed !
[00:04:31:520] Actual Avg. Bitrate  : 291kbps
[00:03:17:000] <-- Transcoding Duration
Logging ends : 12/21/04 , 20:40:18.