File:DTMF7.raw

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DTMF7.raw(file size: 4 KB, MIME type: application/acad)
Warning: This file type may contain malicious code. By executing it, your system may be compromised.

A raw 8000 Hz audio stream of the DTMF sound produced by the "7" key on a touchtone phone (this is a "pure" digital sound). Contains a series of 2048 signed 16-bit little-Endian samples. Has strong frequency peaks at 852 Hz and 1209 Hz. Useful input data for any program manipulating an audio signal; originally created for Cooley-Tukey FFT algorithm (C).

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Date/TimeDimensionsUserComment
current17:28, 14 November 2006 (4 KB)Dcoetzee (Talk | contribs)A raw 8000 Hz audio stream of the DTMF sound produced by the "7" key on a touchtone phone (this is a "pure" digital sound). Contains a series of 2048 signed 16-bit little-Endian samples. Has strong frequency peaks at 852 Hz and 1209 Hz. Useful input data

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