[App_rpt-users] File Formats

[Ken]

You can also install the MP3 player from the Asterisk web site. I use it to play weather report podcasts directly from the weather bureau here. However, to record your own MP3 files so that they play back reliably, you need some *real* MP3 software (I use Adobe Soundbooth).

Cepstral's web site will let you make short announcements as a demo. You can use software (like virtual audio cable) to capture the sound to a file.

Ken


-----Original Message-----
From: Bryan D. Boyle <bdboyle at bdboyle.com>
To: Matt Roberts <n9gmr at me.com>
Cc: app_rpt-users <app_rpt-users at ohnosec.org>
Sent: Tue, Nov 15, 2011 8:27 am
Subject: Re: [App_rpt-users] File Formats


You can use a free program called "Audacity" to record the file to a .wav on 
our windows machine.  Upload it using sftp or some transfer program to your 
ontroller, use a program called 'sox' to convert it to a .gsm file: (sox 
nputfile.wav -r 8000 -v .5 outputfile.gsm (-r is resample at 8000 Hz, -v is 
olume of 1/2... -v 1 would be no change, -v 2 would be double....)
or...purchase a license for a voice from cepstral (text to speech program, chose 
illiam 8kHz) load it on the controller, build a simple text file with what you 
ant to say, run it through the cepstral text to speech program, run the 
roduced .wav file to .gsm with sox, and move it into the /var/lib/asterisk/sounds/rpt 
irectory.
Lots of ways of skinning the cat; I use the latter to convert my download 
eather forecast and alerts to voice to playback with DTMF commands, and the 
ormer to convert mp3s that professional announcer friends of mine send me for 
y tail messages and 10-minute voice ids.  (It's good to have friends/former 
olleagues who have Don LaFontaine style voices...:) "In a world where amateurs 
onder about which machine they're on...YOU'RE transmitting on xxxxxx..."  OK, 
okey.  
Do a google for Asterisk audio file creation and there's a wealth of information 
ut there....start here:
http://www.voip-info.org/wiki/view/Asterisk+sound+files 
for a good start, imho.  's where I began.  And ended up with a complete studio 
et-up in my basement shack...
-
3,
ryan WB0YLE
ww.wb0yle.com
orrisville PA
Sent from my iPad
On Nov 14, 2011, at 10:25 PM, Matt Roberts <n9gmr at me.com> wrote:
> If I want to record voice files for my repeater, what can I use.  I see in 
ome places it says you can use WAV, or GSM.  It lists one more format, but 
an't remember which one.  WAV files are the easiest for me to create.  CAn I 
se them?
 
 
 Matt Roberts n9gmr at me.com
 
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