File:220 Hz anti-aliased triangle wave.ogg

From Vigyanwiki

220_Hz_anti-aliased_triangle_wave.ogg(Ogg Vorbis sound file, length 5.0 s, 73 kbps)

This file is from Wikimedia Commons and may be used by other projects. The description on its file description page there is shown below.

Summary

Description
English: 5 seconds of a 220-hertz anti-aliased triangle wave
Date

  • 6 December 2008 (original upload date)
Source I used the program at User:Army1987/waveforms.c, with
gcc -DWAVEFORM=1 -std=c99 -lm waveforms.c -o triangle
./triangle | oggenc -r -C 1 - -o triangle.ogg
vorbisgain triangle.ogg
Author

Army1987 (t — c)

Army1987 at en.wikipedia

Licensing

This file is ineligible for copyright and therefore in the public domain because it consists entirely of information that is common property and contains no original authorship.

Original upload log

The original description page was here. All following user names refer to en.wikipedia.

Upload date | User | Bytes | Dimensions | Comment

  • 2008-12-06 15:32 (UTC) | Army1987 | 45654 (bytes) | 0×0 | {{Information |Description=5 seconds of a 220-hertz anti-aliased triangle wave |Source=I used the program at [[User:Army1987/waveforms.c|Army1987/waveforms.c]], with <src lang="bash">gcc -DWAVEFORM=1 -std=c99 -lm waveforms.c -o triangle ./triangle | oggenc -r -C 1 - -o triang

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depicts

6 December 2008

application/ogg

dd7ec7796bdf8b675b533584e5eb6ae09f51c289

45,654 byte

5 second

File history

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Date/TimeThumbnailDimensionsUserComment
current12:25, 28 November 20115.0 s (45 KB)wikimediacommons>SreeBot(Original text) : {{Information |Description=5 seconds of a 220-hertz anti-aliased triangle wave |Source=I used the program at Army1987/waveforms.c, with <src lang="bash">gcc -DWAVEFORM=1 -std=c99 -lm waveforms.c -o triangle

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