[App_rpt] Recording repeater audio

David McGough kb4fxc at inttek.net
Sun Oct 5 01:40:00 EDT 2008


Jon,

I agree. In my experience, most any recent CPU has enough horsepower to 
easily keep up with real-time mp3 encoding.....Particularly if you aren't 
trying to encode "audiophile" quality mp3's! ....I haven't tried to get 
asterisk to do this, though.

73, David KB4FXC


On Sun, 5 Oct 2008, Jon Richardson wrote:

> Hey Jim,
> 
> Ever the voice of controversy - I disagree with you. LAME encodes at 
> faster than real-time on reasonable spec hardware (P3 2.4Ghz for example 
> will do 2x 48Khz streams). For example, to capture directly from a sound 
> device and write to MP3 natively you can use sox to do the I/O and pipe 
> it to lame, as below.
> 
> sox -t ossdsp -w -s -r 44100 -c 2 /dev/dsp -t raw - | lame -x -m s - 
> .filename`date +%b%d_%H%M%P_%Y`.mp3
> 
> I don't know how "accessible" the raw commands are to app_rpt but it 
> shouldn't be too tricky to do...
> 
> 73 Jon G7PFT
> 
> 
> Jim Duuuude wrote:
> > convert to MP3 in real time on a telecom system? Surely you jest :-). 
> > The cpu time required for that (especially on smaller systems) would 
> > be MOST prohibitive.
> > Therefore, its *really* designed to have a queue of native format 
> > messages (and log files, also) get copied to a larger server on a 
> > periodic basis and let the
> > large server with big CPU's handle the MP3 crunching.
> >
> > ------------------------------------------------------------------------
> > Date: Sat, 4 Oct 2008 22:10:11 +0100
> > From: g4rky at yahoo.co.uk
> > To: app_rpt at lists.illiana.net
> > Subject: Re: [App_rpt] Recording repeater audio
> >
> > Thanks to everyone who replied.
> >  
> > I've found it now and it works a treat!
> >  
> > Are there any other options I can use with that command, for example, 
> > to change to MP3 format or something?
> >  
> > If not, no problem - its working well and seems to require about 8Kb / 
> > sec of disc space, which equates to almost 700 hours for a 20Gb 
> > partition..
> >  
> > Cool!  Thanks,
> >  
> > Matt
> > G4RKY
> >
> > 2008/10/4 Steven Henke <steve.w9sh at gmail.com 
> > <mailto:steve.w9sh at gmail.com>>
> >
> >     Rodger,
> >
> >     The 'locate' command can be used to find it.
> >     It's in
> >     /usr/src/EVB/ast_base/asterisk-1.4.21.2/configs/rpt.conf.sample
> >     You're right that we should make an obvious link to it in the web
> >     based documentation
> >
> >     73,
> >
> >     Steve
> >
> >     On Sat, Oct 4, 2008 at 8:46 AM, Roger F. Jordan Sr.
> >     <w4rfj at comcast.net <mailto:w4rfj at comcast.net>> wrote:
> >     > Hey Steve,
> >     >
> >     >        I did not find rpt.conf.sample in the /etc/asterisk
> >     directory of the
> >     > network install...  We could make it available in the XIPAR
> >     downloads...
> >     >
> >     > VR
> >     > Roger W4RFJ
> >     > Xipar Application Engineer Extraordinaire
> >     >
> >     >
> >     > -----Original Message-----
> >     > From: app_rpt-bounces at lists.illiana.net
> >     <mailto:app_rpt-bounces at lists.illiana.net>
> >     > [mailto:app_rpt-bounces at lists.illiana.net
> >     <mailto:app_rpt-bounces at lists.illiana.net>] On Behalf Of Steven Henke
> >     > Sent: Thursday, October 02, 2008 5:52 PM
> >     > To: Asterisk Repeater Controler
> >     > Subject: Re: [App_rpt] Recording repeater audio
> >     >
> >     > It's already in there. Check out the rpt.conf sample file...
> >     > 73, Steve W9SH
> >     >
> >     >
> >     > On Thu, Oct 2, 2008 at 3:57 PM, Matt Beasant <g4rky at yahoo.co.uk
> >     <mailto:g4rky at yahoo.co.uk>> wrote:
> >     >> Hi everyone,
> >     >>
> >     >> Does anyone know a way of recording the traffic (audio)  in /
> >     out of the
> >     >> node and saving it as a file ( MP3 or whatever ) on the node
> >     hard drive?
> >     >>
> >     >> Something along the lines of Scanrec, which is a windows
> >     application with
> >     >> built in Vox and timestamps, would be ideal but I wanted to
> >     avoid having
> >     >> another machine involved.
> >     >>
> >     >> Anyone any ideas or thoughts on how this could be done - I
> >     should add that
> >     >> I'm a complete newbie!
> >     >>
> >     >> Thanks in advance for any replies.
> >     >>
> >     >> 73,
> >     >>
> >     >> Matt
> >     >> G4RKY
> >     >> _______________________________________________
> >     >> App_rpt mailing list
> >     >> App_rpt at lists.illiana.net <mailto:App_rpt at lists.illiana.net>
> >     >> http://lists.illiana.net/mailman/listinfo/app_rpt
> >     >>
> >     >>
> >     > _______________________________________________
> >     > App_rpt mailing list
> >     > App_rpt at lists.illiana.net <mailto:App_rpt at lists.illiana.net>
> >     > http://lists.illiana.net/mailman/listinfo/app_rpt
> >     >
> >     > _______________________________________________
> >     > App_rpt mailing list
> >     > App_rpt at lists.illiana.net <mailto:App_rpt at lists.illiana.net>
> >     > http://lists.illiana.net/mailman/listinfo/app_rpt
> >     >
> >     _______________________________________________
> >     App_rpt mailing list
> >     App_rpt at lists.illiana.net <mailto:App_rpt at lists.illiana.net>
> >     http://lists.illiana.net/mailman/listinfo/app_rpt
> >
> >
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
> > App_rpt mailing list
> > App_rpt at lists.illiana.net
> > http://lists.illiana.net/mailman/listinfo/app_rpt
> >   
> 
> 




More information about the App_rpt-users mailing list