[vorbis] Encoding speed reports (was: Choosing a processor)

[Aleksandar Dovnikovic]

"Karol Pietrzak" <noodlez84 at earthlink.net> wrote:

> i'm pretty sure it does: the higher the bitrate, the longer the 
> encoding time (just like mp3).  this has always confused me.  
> since very high bitrate mp3s / ogg files have very little 
> compression (i.e. they are _very_ near to the original), why do 
> they take the longest to encode?  shouldn't the low bitrates 
> take the most time because they have are more stripped down?

When the signal goes through the psy-model (which throws away
"non-audible" data), the resulting bitstream is then compressed
using lossless compression (Huffman coding).
So for bigger bitrates there are more bits in the end to encode.


---
Aleksandar @ Vorbis Xtreme | http://solair.eunet.yu/~aldov
Ogg Vorbis is the free, open source alternative to MP3

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