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stereo width - not working as documented, I think

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returno:
I have a Sanza Fuze V1. I'm using 3.10.

I made a stereo recording that has sound only on the left track - this verified in Audacity. There is zero sound on the right. (Why I won't go into, but it is part of a larger project where some part of the recording with be on either the left or right or both.)

I want to hear the recording such that there is only sound on my left-hand earbud. I go to "channel configuration" and choose "custom". Then, I go to "stereo width". Here is where things seem to not be working according to the documentation. I was expecting this:

0% = mono, equal volume on both ear buds
100% = same as "stereo" setting - a little sound in the right earbud, left has normal sound
250% = no sound on the right earbud, left has normal sound

What I hear is:

0% = mono
95% = a tiny amount of sound on the right ear bud
100% = same as "stereo" - a bit of sound on the right ear bud
...going up = more and more sound on the right earbud  ???
250% = about the same as 0% ???

There is no setting where there is zero sound on the right earbud, which is necessary for my project to work correctly.  :(

Ideas?

saratoga:

--- Quote from: returno on December 31, 2011, 02:31:02 PM ---Then, I go to "stereo width". Here is where things seem to not be working according to the documentation. I was expecting this:

0% = mono, equal volume on both ear buds
100% = same as "stereo" setting - a little sound in the right earbud, left has normal sound
250% = no sound on the right earbud, left has normal sound

--- End quote ---

http://download.rockbox.org/daily/manual/rockbox-sansaclipv2/rockbox-buildch6.html#x9-1100006.6

Thats actually not what its meant to do.  Stereo width makes the side channel (L-R) either stronger or weaker relative to the mid channel (L+R). 


--- Quote from: returno on December 31, 2011, 02:31:02 PM ---There is no setting where there is zero sound on the right earbud, which is necessary for my project to work correctly.  :(

--- End quote ---

We don't have any way to do this at the moment.  I committed a swap stereo option a month or so ago during the feature freeze for 3.10, but removed it since we were supposed to be in feature freeze.  Then i realized it wasn't well implemented and haven't had time to look at it since.  You're welcome to go through the SVN logs and see if what I had works for you.

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