[cisco-voip] What codec/sample rate/resolution...?

Jason Burns burns.jason at gmail.com
Wed May 20 19:31:33 EDT 2009


That WAVEfmt chunk is usually compressed data according to random internet
searches, so if some piece of it was missing, then I suppose it would be
impossible to play the file. Corruption it is. I'll sleep easier now.

On Wed, May 20, 2009 at 7:17 PM, Jason Aarons (US) <
jason.aarons at us.didata.com> wrote:

> I've concluded the file is corrupt somehow....thanks for looking at it!
>
>
> -----Original Message-----
> From: Jason Burns <burns.jason at gmail.com>
> Sent: Wednesday, May 20, 2009 7:11 PM
> To: Jason Aarons (US) <jason.aarons at us.didata.com>
> Cc: cisco-voip at puck.nether.net <cisco-voip at puck.nether.net>
> Subject: Re: [cisco-voip] What codec/sample rate/resolution...?
>
> The best I've been able to do is open it in a hex editor and find:
>
> RIFFD2 . . WAVEfmt
>
> Google doesn't seem to know a ton about that. Probably easier to make the
> customer give you a file in a standard format, or find out where the file
> came from.
>
> On Tue, May 19, 2009 at 11:09 PM, Jason Aarons (US) <
> jason.aarons at us.didata.com> wrote:
>
> >  This has me stumped….I can’t open this wav file to listen to it….
> >
> >
> >
> > I’m not a true audio geek, can anyone help me?
> >
> >
> >
> > Windows Media Player thinks is a Intel G723 type 42 but can’t play it..
> >
> >
> >
> > I do suspect it 8000 Sampling Rate and uLaw….my goal is to be able to
> open
> > and listen to it then convert it to G711 uLaw via Audacity or Adobe
> > Audition…
> >
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