9fans archive / 2000 / 12 / 89 /    prev next

From: "Tom Duff" <td@pix...>
Subject: Re: [9fans] audio
Date: Thu, 14 Dec 2000 10:54:09 -0800

On Dec 14,  1:43pm, anothy@cos... wrote:
> I'm
> guessing that's because Lucent still
> considers the PAC encoders and decoders
> proprietary.

I'd be surprised if they thought the PAC decoder
was proprietary.  Just as with perceptual image
coders like JPEG, all the magic is in the encoder;
the decoder just unmangles the entropy coding
and does some inverse DCTs.