Efficient tool/method for adding silent center and LFE channels to quad files?

[somethingcleveridunno]

I'm trying to get quad files to play through a Roku stick and it'll only take 5.1, treats 4.0 as stereo. Would like to "convert" some to have silent center and LFE channels so the file is technically 5.1.

 

[sjcorne]

AudioMuxer will do this under the "Audio Conversion" menu, select "to 5.1 layout (remapping)" under "Remix".

 

[rtbluray]

I do this manually in audacity on a MacBook Pro

 

[winopener]

From New Receiver Won't Decode 4 Channel Flac Files in Foobar Bit Perfect Mode

Using Sox, in order to add silent c+lfe: sox quad.wav 51.wav remix 1 2 0 0 3 4

where quad.wav: your 4 channel file
51.wav: the resulting 6 channel file
1 2 0 0 3 4: the matrix order of the channels.

The Sox way, since it is based on a Command-line tool, make it easy to do a BIG batch of files and since it is just re-writing the same file it is very fast.

 

[J. PUPSTER]

Music Media Helper
- Remix Channel Layout
*by our very own multi-talented Mr. @HomerJAU

 

[somethingcleveridunno]

Thank you all!