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[Linphone-developers] Audio distortion when using ARM device

From: menno
Subject: [Linphone-developers] Audio distortion when using ARM device
Date: Sun, 8 Aug 2010 15:52:29 +0200
User-agent: SquirrelMail/1.4.18

I test Linphone on a ARM device (plug box, ARM 1Ghz)
incombination with Asterisk (confbridge). On the other side i've a normal
i586 machine. Compiling on the ARM works ok! And the soundquality is ok!

But there is a problem with the audio. The microphone on the ARM device to
the normal i586 machine (with asterisk/confbridge) works well. Everything
what you say in the microphone on the ARM device is clear on the other
side (the linux i586 machine).
But the audio is choppy/distort (hikups) when you say something on the
input on the i586 machine to the ARM device. The processor on the ARM
device use 5%/10% of the full processor power or lower. I have the problem
with all type of codecs.

Both sides linphone (on arm & i586 machine)
ARM mic input > Asterisk/confbridge > i586 headphone out > works OK
i586 mic in  > Asterisk/confbridge > ARM headphone out > Choppy audio

Is there an decoding problem on ARM devices or something?


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