post process audio


 

post process audio file

most people at librivox use audacity (a free program)
normalize volume
some noise cleanup if necessary
edit out stutters, stumbles, re-reads,
 stereo->mono conversion
intro: 0.5sec to 1sec of silence before intro speech
extro: leave 5 sec silence after end of reading. this gives a nice sample for noise-cleanup.
check for ending "click noise spike" at end of recording when record button shuts off (this applies more for people recording on portable standalone mics). 

export as mp3 file
128kb rate
44k sampling


 

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