[asterisk-users] Asterisk + Monitor() Poor quality

[Danny Nicholas]

If you do Record(x.WAV) instead record(x.wav) the output will be in WAV49
format.

 

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From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Kim Delevati
Sent: Tuesday, October 06, 2009 1:08 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Asterisk + Monitor() Poor quality

 

Adittional doubt: can I use WAV49 on the Record() command? Voip-info doesnt
say anything about it (or the WAV listed there is equivalent to WAV49, being
wav = WAV).

2009/10/6 Kim Delevati <kim.delevati at gmail.com>

Hi!

I tested with wav49 and now the quality is MUCH better. Almost the same as
the call. I dont know the reason, probably it was some problem on the
decoding of the codec I used to wav, strangely that doesnt happen with
wav49.

The quality now is very acceptable, whereas with wav I couldnt understand a
word. Also the files are much smaller, which is even better.

Thank you all for you answers.

 

2009/10/6 Danny Nicholas <danny at debsinc.com>

WAV49 is by definition lesser quality but Louder sound, which might help the
perceived quality.

 

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From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Kim Delevati
Sent: Tuesday, October 06, 2009 10:23 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Asterisk + Monitor() Poor quality

 

Doesnt WAV49 have worse quality than WAV? Or am I wrong?

On more info, I've tested it on calls using alaw, gsm, g729, and in all the
recording has poor quality.

Tzafrir answered me talking about a debian patch for this issue, does anyone
know where to find it?

2009/10/6 Danny Nicholas <danny at debsinc.com>

I doubt AGI is the issue.  You can verify this by setting up a context to
record a call without AGI.  I'd try using the WAV49 format instead of
regular WAV.

 

  _____  

From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Kim Delevati
Sent: Tuesday, October 06, 2009 9:35 AM
To: asterisk-users at lists.digium.com
Subject: [asterisk-users] Asterisk + Monitor() Poor quality

 

Hi. I'm using the Monitor command to record outgoing calls through SIP, but
the quality is very poor, MUCH worse than the call itself who many times is
perfect. I can barely understand anything thats said.

Im using Asterisk 1.4.21.2 on a Ubuntu Server 8.10, on a Pentium R 2ghz with
1gb DDR2.

That also happens if I use the Record command. I'm using Monitor inside an
AGI file, could that be the problem? Or do you think its something else?


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