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Re: [MPlayer-users] Encoding from DVB-T mpeg-ts recordings
On Mon, Oct 04, 2004 at 05:21:19AM -0700, RC wrote:
> 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.
actually a direct mp2->mp3 transcoder should be possible, perhaps with
no loss. iirc mp2 is a subset of mp3 for the most part.
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