[LBo] Looking for an application to bulk convert mp3 to ogg
Billy Pollifrone
billy at silverbaseball.com
Wed May 23 21:17:26 CEST 2007
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Anita Lewis wrote:
> The link I gave is from Vorbis which is where the ogg format comes from.
> I'll quote it entirely so that you see what I am saying. The big point
> is that both mp3 and ogg throw away part of the audio, *but* it is
> *different* parts. So mp3 has lost some audio and then you run it
> through the ogg codecs and lose *still more*. Unless you cannot play
> mp3 on your player, why degrade the audio even further.
>
> If you have the original wav, then it makes great sense to convert to
> ogg. I realize that "tone deaf" people would not notice, but the point
> is still valid, especially if the people at Vorbis are putting it in
> their FAQ.
>
I wrote FFT decoding algorithm to detect DTMF. With 44kHz, if you drop
2% of the samples lets say by lossy compression, and then convert it to
something else and lose another 4%, you still have 96% and can still
decode tones reliably. For an average Joe on an ipod, I doubt it's that
substantial. The FAQ is a warning that you'll downgrade the audio further.
Besides, if you have an mp3 from a legal means, such as ripped from your
CD, then you can just make a new one into ogg. The solution is to have
main outlets distribute that format instead of their DRM stuff really.
- --
Billy Pollifrone
billy @ silverbaseball . com
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