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I believe you could do all of that with Audacity:<br>
<br>
<a class="moz-txt-link-freetext" href="http://audacity.sourceforge.net/manual-1.2/tutorials.html">http://audacity.sourceforge.net/manual-1.2/tutorials.html</a><br>
<br>
On 6/25/2011 10:53 AM, Narahari 'n' Savitha wrote:
<blockquote
cite="mid:BANLkTinmq-DSVh3OoD2K3kGyXMxWsmn_Fw@mail.gmail.com"
type="cite">Friends:<br>
<br>
Some of you are audio video experts. I want to pick your brains.
<br>
<br>
I have a video file AustrianAlpsTyrol.mpg that I recorded from PBA
(Rick Steves)<br>
<br>
It is a good recording with Mono audio.(aka left channel only)<br>
<br>
I was able to extract audio from the .mpg file I used ffmpeg.<br>
<br>
I need help in the steps<br>
<br>
a. Remove Audio from the original mpg file.<br>
<br>
b. Copy Left channel to right channel of the audio (aka make Mono
to Stereo).<br>
I am told that SOX does this but not sure how.<br>
<br>
c. Put the Stereo audio back to the mpg file.<br>
<br>
Any inputs on where to find this info is appreciated.<br>
<br>
-Narahari<br>
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</blockquote>
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