[asterisk-users] .GSM -> .WAV (or ,MP3) Conversion

[Steve Edwards]

On Tue, 14 Apr 2009, Arjan Kroon | Mobillion wrote:

> I record the message in ULAW
>
> After that I call sox with this command:
> /usr/bin/sox -c 1 -1 -t ul -r 8000 $in_fl -t wav -2 -r 8000 -c 1
> $wav_fl

What are "-1" and "-2" for? Both sox 12.17.5 and 12.18.1 say they are 
invalid.

Thanks in advance,
------------------------------------------------------------------------
Steve Edwards      sedwards at sedwards.com      Voice: +1-760-468-3867 PST
Newline                                             Fax: +1-760-731-3000