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Dimich   (2001-11-01 08:49) [0]

How through the API it is possible to intercept data from the linear input of a sound (namely: the amplitude and frequency of the signal) without saving this data in * .WAV, but transfer it to * .txt.
Any advice or source will be greatly appreciated!
A big request to write on the soap (lousy channel).



Gunner   (2001-11-01 09:46) [1]

1) You can only receive data from the sound system as a signal level over time! Windows will not do the conversion for you. To receive data from sound, use message MM_WIM_DATA - read the Win32 help. This message increases the sound buffer!
2) After receiving the data buffer, you do FFT (fast Fourier transform) and you get the frequencies and their intensities.



Dimich   (2001-11-01 10:54) [2]

Gunner - Thanks



YUS   (2001-11-01 17:57) [3]

Look here
http://delphi4all.narod.ru/how/index.htm



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Forum: "WinAPI";
Current archive: 2002.01.08;
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