[Speex-dev] question about coding

John Miles jmiles at pop.net
Fri May 26 12:54:47 PDT 2006

You'll definitely have to encode in little-endian form.  PCM audio is always
little-endian, to the best of my knowledge.  I have never seen any
big-endian audio data files.

The frequency-domain transforms inside Speex are written to assume that most
of the "intelligence" is carried by the MSB of a 16-bit little-endian word.
If you submit big-endian data, Speex will think you're feeding it white

That may or may not be your actual problem, of course... just something to
watch out for.

-- jm

> -----Original Message-----
> From: speex-dev-bounces at xiph.org [mailto:speex-dev-bounces at xiph.org]On
> Behalf Of Leonardi Andrea
> Sent: Friday, May 26, 2006 10:35 AM
> To: speex-dev at xiph.org
> Subject: RE: [Speex-dev] question about coding
> Thanks for the answer.
> So data are stored in little-endian format on the WAVE file. But
> have I to encode in big endian format or little endian is ok?!
> Thanks

More information about the Speex-dev mailing list