_____ From: [email protected] [mailto:[email protected]] On Behalf Of Felix Dong Sent: Tuesday, March 15, 2011 4:19 PM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: [asterisk-users] signal amplified by asterisk
Hi there, i called one asterisk server from another asterisk server. The calling server played back a audio data und the answering server recorded the audio sample using record() function. I tried both ISDN, VoIP connections. Camparing with the original audio data, the recorded samples from both connections were amplified by asterisk, so that the recording were much louder. But I didn't adjust any rxgain or txgain. I am wondering, how could it be!? Is this case normal? Can anyboby tell me, how many dB will the transmitted and recieved signals be amplified by asterisk in case of default rxgain and txgain (with another words: no setting these values)? Thanks a lot. best regaud Felix My guess is that somehow the recorded file is a GSM 6.10 (WAV) file instead of the Microsoft PCM 16 bit mono (wav) you are expecting. File <foo> will verify this.
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