Michael Felber
Guest
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 Posted:
Sun Dec 11, 2005 1:16 am Post subject:
audio analysis - modelling the processing chain (C, C++) |
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Hi all,
I have just a question about implementing some audio analysis functions,
especially due to modelling the processing chain:
1.
You want to analyse some audio material:
Is is common to map an audio file via shared memory into memory (unix
command mmap) or to read it in manually in small pieces via audio buffer?
2.
Or just try to read in the whole piece of audio and therefore allocate e.g.
40 MB of memory for the input buffer?
3.
I want to manipulate the audio signal (e.g. filtering):
Is it common to write the processed audio material always manually to hard
disc after working with it or is it better to get this job done by the
Operating System (memory mapping functions like unix mmap).
Thanks in advance
Michael. |
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