http://sox.sourceforge.net/

http://sourceforge.net/projects/sox/files/sox/

Generating 5 seconds of 96/24 stereo silence.wav

sox -D -n -r 96000 -b 24 -c 2 silence.wav trim 0 5

Format confirmation:

soxi silence.wav

Input File : 'silence.wav'

Channels : 2

Sample Rate : 96000

Precision : 24-bit

Duration : 00:00:05.00 = 480000 samples ~ 375 CDDA sectors

File Size : 2.88M

Bit Rate : 4.61M

Sample Encoding: 24-bit Signed Integer PCM

Contents confirmation:

sox silence.wav -n stats

Overall Left Right

DC offset 0.000000 0.000000 0.000000

Min level 0.000000 0.000000 0.000000

Max level 0.000000 0.000000 0.000000

Pk lev dB -inf -inf -inf

RMS lev dB -inf -inf -inf

RMS Pk dB -inf -inf -inf

RMS Tr dB -inf -inf -inf

Crest factor - 1.00 1.00

Flat factor 113.62 113.62 113.62

Pk count 960k 960k 960k

Bit-depth 0/0 0/0 0/0

Num samples 480k

Length s 5.000

Scale max 1.000000

Window s 0.050