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Re: [MPlayer-users] Encoding from DVB-T mpeg-ts recordings

To: "MPlayer usage questions, features, bugreports" <mplayer-users@xxxxxxxxxxxx>
Subject: Re: [MPlayer-users] Encoding from DVB-T mpeg-ts recordings
From: RC <rcooley@xxxxxxxxxxx>
Date: Mon, 4 Oct 2004 05:21:19 -0700
Delivered-to: itdp@localhost
Delivered-to: mplayer-users@mplayerhq.hu
In-reply-to: <415FEA66.6040802@eng.uts.edu.au>
References: <415FD11B.5080704@uts.edu.au> <415FD5D3.6040202@tiscali.it><415FEA66.6040802@eng.uts.edu.au> 
On Sun, 03 Oct 2004 22:02:46 +1000
Samson Lee <samson.lee@xxxxxxxxxxxxxx> wrote:

> ===== Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
> Does that mean mp3 or mp2?

That particular message doesn't tell you which it is, only that it's one
of the two. You could probably find out, using "-identify".

> Also, is it possible to do a perfect mp2 to mp3 transcode? If so, how?
> 
> If not, what's the closest?

Well, the only way to not loose any quality, without increasing the size
of the audio, is to keep it as it is.  There's no way to perfectly
convert between lossy codecs, but converting between similar codecs
(like mp2/mp3) doesn't introduce too much loss... Certainly not as much
as converting between entirely different codecs.

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