RE: MP3 Pro Codec...

["Phil Harris" <phillip.harris1@xxxxxxx>]

Will existing MP3 players play the new format files?

Phil

> -----Original Message-----
> From: Ian Lowe [mailto:ian@xxxxxxx]
> Sent: 18 June 2001 11:43
> To: ukha_d@xxxxxxx
> Subject: [ukha_d] MP3 Pro Codec...
>
>
> Well, I have had a chance to construct some basic tests of
> the new codec,
> (you can get it from www.rca.com ) I have to say that I am incredibly
> impressed.
>
> The new MP3 pro codec is a two parter: one encodes mpeg data
> just as the
> existing codec, but at a much lower bit rate, the second part
> uses advanced
> perceptive techniques to spot the "mistakes" the first
stream
> is prone to
> make, and adds a correction stream...
>
> The result is that a much lower bitrate can sustain much
> better quality:
>
> The initial codec release support 64Kb streams only, which is
> equivelant to
> 128k MP3.
>
> On my setup, (and with my ears!) existing MP3 codecs produce
> good results:
> 128 sounds fine, but 160 is noticeably better, although I can
> *sometimes*
> spot the difference if a CD and MP3 are played back to back.
> at 192, I am
> unable to distinguish between CD sources ane MP3.
>
> I cannot tell the difference between 128K MP3 and 64K MP3
> Pro. To my ears,
> each time I pick the "better" one, it's always the MP3 pro.
>
> Mp3 pro will allow music at what is currently 192k quality,
> to be store din
> a 96k datastream, making a smaller file than 128k is at present!
>
> :)
>
> Well worth a try.
> Tim? Fancy giving it a spin on the ole Golden ears?
>
> Ian.
>
>
>
>
>
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