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(Updated Jan. 20, 2014, 8:57 a.m.) Status ------ This change has been marked as submitted. Review request for Asterisk Developers. Repository: Asterisk Description ------- When streaming mp3s or using a custom musiconhold app, selecting format=sln16 wasn't possible. The audio would become choppy and unbearable. The cause is that the reader only feeds 8kHz of info to asterisk per second, while we require 16kHz. Diffs ----- /trunk/res/res_musiconhold.c 405210 Diff: https://reviewboard.asterisk.org/r/3112/diff/ Testing ------- The basic class->format calculation worked on Asterisk 11 with the following scenario. I added a bit of documentation and it still compiles. [default] mode=custom ;application=/etc/asterisk/musiconhold.sh 8000 ;format=slin application=/etc/asterisk/musiconhold.sh 16000 format=slin16 #!/bin/sh hz="$1" test -z "$hz" && hz=8000 mp3toraw="/usr/bin/madplay -Q -o raw:- --mono -b 16 -R $hz -a -12 -" cat my_audio_file.mp3 | $mp3toraw Thanks, wdoekes
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