[asterisk-users] Loudness of recorded wav-audio

[Danny Nicholas]

Defaults are 0.0 (leave volume unchanged)  +values make volume louder, -
softer.

 

  _____  

From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Felix Dong
Sent: Friday, March 04, 2011 8:55 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Loudness of recorded wav-audio

 

Could yoz tell me the default value of rxgain or txgain, if there is no
rxgain or txgain in conf-data defined?

Von meinem iPad gesendet


Am 04.03.2011 um 15:34 schrieb "Danny Nicholas" <danny at debsinc.com>:

In sip.conf, add rxgain=-4.0 to the peer.  This (feel free to correct)
should reduce the incoming volume by 4 decibels. You'll have to do a "sip
reload" for this to take effect.

 


  _____  


From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Felix Dong
Sent: Friday, March 04, 2011 8:33 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Loudness of recorded wav-audio

 

Thank you! How can I reduce the RXgain?


Am 04.03.2011 um 15:21 schrieb "Danny Nicholas" < <mailto:danny at debsinc.com>
danny at debsinc.com>:


  _____  


From:  <mailto:asterisk-users-bounces at lists.digium.com>
asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Felix Dong
Sent: Friday, March 04, 2011 2:31 AM
To:  <mailto:asterisk-users at lists.digium.com>
<mailto:asterisk-users at lists.digium.com> asterisk-users at lists.digium.com
Subject: [asterisk-users] Loudness of recorded wav-audio

 

Hello,

 

I sent a wav-audio to Asterisk though SIP and ISDN channels and recorded it
in wav-audio at the Asterisk server. I found the loudness level of the
recorded audio was too high comparing with the orginal audio. How can I
ajust it, so that there will be no amplifier used for recording.

Thanks a lot.


best regards

Felix 

 

two options are:

1.	reduce RXgain - assuming your are using Record() command
2.	use sox to reduce the volume;  something like sox -v .8 file1.wav
file2.wav

 

--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by  <http://www.api-digital.com>
http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
               <http://www.asterisk.org/hello>
<http://www.asterisk.org/hello> http://www.asterisk.org/hello

asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
   <http://lists.digium.com/mailman/listinfo/asterisk-users>
<http://lists.digium.com/mailman/listinfo/asterisk-users>
http://lists.digium.com/mailman/listinfo/asterisk-users

--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
               <http://www.asterisk.org/hello> http://www.asterisk.org/hello

asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
   <http://lists.digium.com/mailman/listinfo/asterisk-users>
http://lists.digium.com/mailman/listinfo/asterisk-users

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.digium.com/pipermail/asterisk-users/attachments/20110304/833aff4f/attachment.htm>