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cunningpike at gmail.com
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 Posted: Fri Jun 27, 2008 5:48 pm Post subject: [asterisk-users] Voicemail- Recorded Mesage Low Volume |
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Hi Daniel,
I'm intrigued by this and wanted to try it out - but I'm wondering how
you get Asterisk to call sox at all during Voicemail()? Our server
doesn't even have sox installed, so I'm not sure how to go about
tricking Asterisk into running a different one.
CP
Daniel Hazelbaker wrote:
| Quote: | On Apr 1, 2008, at 5:22 PM, asterisk-users-request at lists.digium.com
wrote:
| Quote: | Can the volume of the recorded voice mail message be changed? If
so, what I am doing wrong? Any input would be greatly appreciated.
Thanks.
|
I had a similar problem in our setup where we e-mail the recorded
messages to e-mail retrieval. But this also helps standard phone
retrieval too. What I did was edit the /usr/sbin/safe_asterisk script
and add:
PATH="/usr/local/bin:$PATH"
At the top of the script. This would let me override the default sox
implementation that Asterisk uses. Then I loaded in a script (called
sox) that would compress and normalize the recorded audio (It
compresses to deal with the spikes of the noise of the handset being
hung up, etc.). It works pretty well for us and makes the volume
pretty good so we don't have to crank up the volume on our computers
or phones to listen to voicemail messages. And we can't adjust the
rxgain as it is already a good volume for normal calls.
Daniel
--CUT--
#!/bin/sh
#
# $1 = -v
# $2 = number
# $3 = inFile
# $4 = outFile
#
REALSOX="/usr/bin/sox"
if [ "$1" != "-v" ]; then
$REALSOX $*
exit $?
fi
INFILE="$3"
OUTFILE="$4"
#
# Perform the gain adjustment.
#
$REALSOX "$INFILE" "$OUTFILE" compand 0.1,0.3
-60,-60,-30,-15,-20,-12,-4,-8,-2,-7 0 0 0.2
--CUT--
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asterisk.org at sedwar...
Guest
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| Posted: Mon Jun 30, 2008 1:32 pm Post subject: [asterisk-users] Voicemail- Recorded Mesage Low Volume |
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On Mon, 30 Jun 2008, Daniel Hazelbaker wrote:
| Quote: | | Quote: | I'm intrigued by this and wanted to try it out - but I'm wondering how
you get Asterisk to call sox at all during Voicemail()? Our server
doesn't even have sox installed, so I'm not sure how to go about
tricking Asterisk into running a different one.
|
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| Quote: | To do anything useful you would have to get sox installed on your
server.
|
If you are using RedHat or CentOS, installing sox should be as simple as:
sudo yum install sox
Other distros have similar commands.
| Quote: | But to get asterisk to run a different/fake sox, just install whatever
you want to run as /usr/local/bin/sox and then edit your safe_asterisk
script as I mentioned below.
|
I think this is a bad approach. It's going to be a big "gotcha" down the
road for somebody 
| Quote: | Asterisk runs the program 'sox' using the first match in your $PATH, so
by updating the $PATH before asterisk runs you can direct it to run a
different sox program.
|
A quick grep through the Asterisk (1.2.2 sources shows res_monitor using
soxmix if the channel variable MONITOR_EXEC is not defined -- but nothing
in app_voicemail. Am I missing something?
Thanks in advance,
------------------------------------------------------------------------
Steve Edwards sedwards at sedwards.com Voice: +1-760-468-3867 PST
Newline Fax: +1-760-731-3000 |
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tzafrir.cohen at xorco...
Guest
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| Posted: Mon Jun 30, 2008 1:55 pm Post subject: [asterisk-users] Voicemail- Recorded Mesage Low Volume |
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On Mon, Jun 30, 2008 at 11:32:58AM -0700, Steve Edwards wrote:
| Quote: | | Quote: | To do anything useful you would have to get sox installed on your
server.
|
If you are using RedHat or CentOS, installing sox should be as simple as:
sudo yum install sox
Other distros have similar commands.
|
One gotcha with Debian Lenny:
libsox-dev - Development files for the SoX library
libsox-fmt-all - All SoX format libraries
libsox-fmt-alsa - SoX alsa format I/O library
libsox-fmt-ao - SoX Libao format I/O library
libsox-fmt-base - Minimal set of SoX format libraries
libsox-fmt-ffmpeg - SoX ffmpeg format library
libsox-fmt-flac - SoX FLAC format library
libsox-fmt-gsm - SoX GSM format library
libsox-fmt-mp3 - SoX MP3 format library
libsox-fmt-ogg - SoX OGG Vorbis format library
libsox-fmt-oss - SoX OSS format I/O library
libsox-fmt-sndfile - SoX libsndfile format library
libsox0 - SoX library
sox - Swiss army knife of sound processing
Installing "sox" does not automatically install support for all the
formats. To install support for all the output formats, install
libsox-fmt-all as well, or just the specific libsox-fmt packages you
need.
--
Tzafrir Cohen
icq#16849755 jabber:tzafrir.cohen at xorcom.com
+972-50-7952406 mailto:tzafrir.cohen at xorcom.com
http://www.xorcom.com iax:guest at local.xorcom.com/tzafrir |
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cunningpike at gmail.com
Guest
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| Posted: Mon Jun 30, 2008 6:19 pm Post subject: [asterisk-users] Voicemail- Recorded Mesage Low Volume |
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Well, that was sorta my point.....
CP
Steve Edwards wrote:
| Quote: | A quick grep through the Asterisk (1.2.2 sources shows res_monitor using
soxmix if the channel variable MONITOR_EXEC is not defined -- but nothing
in app_voicemail. Am I missing something?
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