[Asterisk-Users] MP3 or OGG

[Waldo Rubinstein]

I'm trying to archive out call recordings and would appreciate some  
feedback as to which audio compression is more recommended MP3 or  
OGG. In the past, I've use lame to convert to MP3, but I noticed the  
audio volume drops significantly. Is it just a setting on the command  
line of lame or is OGG better? Which achieves higher compression  
rates while maintaining call quality?

Thanks,
Waldo