[asterisk-users] Loudness of recorded wav-audio
Felix Dong
felix.dong at gmail.com
Fri Mar 4 08:55:28 CST 2011
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" <danny at debsinc.com>:
>
>>
>> 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 2:31 AM
>> To: 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:
>> reduce RXgain – assuming your are using Record() command
>> use sox to reduce the volume; something like sox –v .8 file1.wav file2.wav
>>
>
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