| Dear Csounders,
I have the following questions recently:
1. When I used pvanal.exe to analysis wave files, and then used pvoc
to resynthesis them, I always got audible distortion. The parameters
are as the following:
sample rate: 44100
Channels: 1
STFT frame size:1024
Window overlap: 4
Should I make STFT frame size bigger or use hopsize parameter?
2. This one is still about pvoc. When I compiled my Csound orc & sco
files, I got the following warnings:
SECTION 1:
new alloc for instr 1:
file c:\essay\af/95-vc04L.pvc (11753912 bytes) loaded into memory
file c:\essay\af/95-vc04R.pvc (11753912 bytes) loaded into memory
WARNING: PVOC ktimpnt truncated to last frame
WARNING: PVOC ktimpnt truncated to last frame
B 0.000 .. 16.639 T 16.639 TT 16.639 M: 19956.8 20469.2
What do they mean?
3.I have a suggestion - if some of you disagree it, please advise:
Both soundin and diskin can read a sound file skipping some time of
the file. Therefore, why isn't there a parameter to specify the
duration a user wants it to read? For example, if I want to skip 2
seconds and just read 5 seconds but not the whole files after the 2
seconds, I could use that parameter. Of course, I know I could use an
analysis file to realize it. But I do think it must be easier and
quicker if we add a parameter to soundin and diskin.
Any comment is welcomed and thanks for your bandwidth.
Qian Chen
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