[asterisk-users] Record in mp3

[Tzafrir Cohen]

On Fri, Apr 24, 2009 at 01:21:50PM -0500, Tilghman Lesher wrote:
> On Friday 24 April 2009 12:40:45 Danny Nicholas wrote:
> > I’m sure someone will correct this if I’m wrong – Asterisk can’t make
> > direct mp3 records because it’s not a supported codec.  Typically Asterisk
> > records anything as a gsm, ulaw or alaw file, depending on the codec used
> > to run the connection to the phone.
> 
> Well, even for the mp3 support that we do have, it's that we don't have
> recording support for the format.  We do have read support, though, which
> converts the format on the fly from the compressed mp3 format back into
> uncompressed signed linear audio.  Given the patent protection on the MPEG
> standard, distributing an MPEG-capable audio compression could raise
> liability issues.

Use Ogg (well, technically it's Ogg/Vorbis here)

How widely is Ogg/Speex supported? I figure it gives smaller files.

Alternatively, WAV/GSM ("wav49" in Asterisk) is quite widely-used as
well.

-- 
               Tzafrir Cohen
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