Compress MP3 into lower bitrate in ubuntu

2

June 19, 2009 by babeyudi

First, you must have “lame” program. If the programe “lame”is currently not installed. you can install it by typing in consule : sudo apt-get install lame

second, after the program “lame” is currently installed. you can use it for decrease mp3 bitrate.

format :

lame -b [bitrate] input.mp3 output.mp3

examples :

#lame -b 32 input.mp3  output.mp3
LAME 3.97 32bits (http://www.mp3dev.org/)
CPU features: MMX (ASM used), SSE, SSE2
Resampling:  input 24 kHz  output 16 kHz
Using polyphase lowpass filter, transition band:  5484 Hz –  5677 Hz
Encoding input.mp3 to output.mp3
Encoding as 16 kHz  32 kbps j-stereo MPEG-2 Layer III (16x) qval=3
Frame          |  CPU time/estim | REAL time/estim | play/CPU |    ETA
4613/4613  (100%)|    0:08/    0:08|    0:09/    0:09|   20.604x|    0:00
——————————————————————————-
kbps        MS  %     long switch short %
32.0      100.0        92.6   4.5   2.9

compare both file input.mp3 and output.mp3. size of file output.mp3 is lower then input.mp3