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Rear outputs problem with ADI Surround

Question asked by Phaneuf on Oct 18, 2017
Latest reply on Oct 24, 2017 by Phaneuf

Hello,

 

I'm working on a project with the AD194x. The goal is to use the ADI surround algorithm to upmix a stereo source. So far, my project looks like the exemple in the ADI Surround wiki page. Frequency sampling is 48KHz.

 

After multiple tests, I realize that the rear channels, LR and RS, sound unbalanced. To the ear, it sounds like there is more high frequency components in the RS channel. I tried the different modes, I swaped the outputs then the inputs, but the RS is always the louder channel.

 

Do you have any ideas what can cause this issue?

 

Jerome

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