Phase vocoder short-time Fourier analysis computation:

Header file mixture.mon.pv.head opened
open input sample file mixture.mon.wav
input file type is wav
Create analysis data output file mixture.mon.pv.an

header data read in
Performer is Coltrane
Instrument is a several
Recorded on ??
Pitch played is ??
Dynamic level is ??
Vibrato used: no
File contains all of tone
Analysis format is: simple
Signal sample rate is: 11025
No. of channels is 1
Comments: Coltrane recording
Analysis fund. freq.is 10.0 Hz
Number of harmonics kept in analysis is 511
Length of FFT used in analysis is 2048
Time between analysis frames is 0.050000 seconds
Analysis interp. factor is 0.928798
Analysis begun at Tue May  2 13:28:49 CDT 2006

write header to output file  ...completed
Load Hamming window

Start processing input samples
Load initial sample values (frame 0)
Window and rotate data
Do Fourier transform

Write initial phase data for 511 harmonics

Compute and write spectrum data to output file
write frame 0, t =   0.000, a1 = 1.0, df1 = 9.844
write frame 50, t =   2.500, a1 = 10.4, df1 = -0.178
write frame 100, t =   5.000, a1 = 1.2, df1 = 9.617
write frame 150, t =   7.500, a1 = 1.0, df1 = -4.724
write frame 200, t =  10.000, a1 = 6.1, df1 = 9.147
write frame 250, t =  12.500, a1 = 2.4, df1 = -1.372
write frame 252, t =  12.600, a1 = 7.1, df1 = 0.320

Final header information written to output file:

Performer is Coltrane
Instrument is a several
Recorded on ??
Pitch played is ??
Dynamic level is ??
Vibrato used: no
Duration of tone is 12.6 seconds
File contains all of tone
Signal sample rate is 11025 Hz
No. of channels is 1
Comments: Coltrane recording
Analysis format is: simple
Analysis interp. factor is 0.928798
Peak value of signal is 17638.890625
Analysis fund. freq.is 10.0 Hz
Time between analysis frames is 0.050000 seconds
Length of FFT used in analysis is 2048
Number of harmonics in analysis is 511
Number of analysis frames is 252
Analysis begun at Tue May  2 13:28:49 CDT 2006

Analysis completed at Tue May  2 13:28:50 CDT 2006. 
cputime: 0.3, systime: 0.1, totaltime: 0.4 sec 

Data written to file mixture.mon.pv.an