> 
> Hi,
> 
> Excuse me, I must be missing something really obvious.. I see that
> lame supports MPEG 2 and 2.5, but how do I create an MPEG 2 or 2.5
> file with lame? I don't see a switch for it.. Is it enabled
> automatically for some kinds of audio?
> 
> Regular MP3s are Just MPEG 1, right?
> 
> 

MPEG1, 2 and 2.5 is determined by the output samplerate;

MPEG1 layer III samplerates(kHz): 32 44.1 48 
bitrates(kbs): 32 40 48 56 64 80 96 112 128 160 192 224 256 320 

MPEG2 layer III samplerates(kHz): 16 22.05 24 
bitrates(kbs): 8 16 24 32 40 48 56 64 80 96 112 128 144 160 

MPEG2.5 layer III samplerates(kHz): 8 11.025 12 
bitrates(kbs): 8 16 24 32 40 48 56 64 80 96 112 128 144 160 


so to make an MPEG2 file, use, for example,  "lame --resample 24"
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