On Monday 26 Apr 2004 8:55 pm, Onkar Shinde wrote:
> I want to convert my mp3 collection into ogg collection.
>
> First I converted a sample file to .wav format and I tried to convert it
> to ogg using following commands:
>
> 1) oggenc --managed -b 128 -m 128 -M 128 sample.wav
> 2) oggenc --managed -b 128 sample.wav
>

Straight from the man page of oggenc : 

--managed
              Set bitrate management mode.  This  turns  off  the
              normal  VBR  encoding,  but  allows  hard  or  soft
              bitrate constraints to be enforced by the  encoder.

It means you still don't have complete control over the encoder's bit rate 
options when it comes to some complex passages in the music. My suggestion is 
to get all your music in wave form and reencode it in ogg using the quality 
setting rather than bit rates. My 10gb (and growing) ogg collection sounds 
just great at quality setting -6 which is near cd quality. 

$oggenc -q 6 *.wav                      # would get you a good trade-off between file 
size and                                                                  
                                                        # quality

As Vinu suggested, do not inflate mp3s and reencode them in ogg .
mp3 to wave to ogg = complete loss 

Raghu.



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