[asterisk-users] Less good call quality using Asterisk

[Stefan at WPF]

Thank you Kevin, I have the impression it got better, but I yet didn't have
the chance to test it much.
If there are I/O problems, are there any logs for this / are there logs in
general for monitor and MixMonitor? Thanks :-)

2012/7/25 Kevin P. Fleming <kpfleming at digium.com>

> On 07/25/2012 06:42 AM, Stefan at WPF wrote:
>
>> Hmm is it possible, that the monitor command changes the quality? If not
>> I guess I also once have to try compiling it from source, though I
>> wanted to avoid that.
>>
>
> It certainly can, since recording the call causes disk I/O as the audio is
> written out. In addition, Monitor is more prone to this problem than
> MixMonitor is, because Monitor's call recording is done in the same thread
> that handles the call's audio normally. If you switch to MixMonitor, you'll
> probably have better results, unless your system just can't handle
> recording the call without overloading its CPU.
>
>
> --
> Kevin P. Fleming
> Digium, Inc. | Director of Software Technologies
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