[asterisk-users] 30 mins GSM file

[Carlos Chavez]

On Thu, 2010-03-04 at 23:27 +0000, Steve Howes wrote:
> On 4 Mar 2010, at 23:11, Steve Edwards wrote:
> > On Thu, 4 Mar 2010, Steve Edwards wrote:
> >> On Fri, 5 Mar 2010, David @ULC wrote:
> >>
> >>> I need to create 30 mins of GSM file for Asterisk .
> >>>
> >>> Silent  / Blank file.
> >>>
> >>> Whats the best way to create it ?
> >>
> >> Record yourself thinking of the solution for 1/2 of an hour.
> >
> > Use sox to concatenate 6.9 copies of John Cage's 4'33"
> 
	Download Audacity and create a new track, then insert 30 minutes of
silence.  Save your wav and then convert to gsm with sox.

sox foo.wav foo.gsm

	Done in seconds.  Just make sure you save the wav file in mono and 8khz
or you will have to resample the gsm file.

-- 
Telecomunicaciones Abiertas de México S.A. de C.V.
Carlos Chávez Prats
Director de Tecnología
+52-55-91169161 ext 2001
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