File:220 Hz sine wave.ogg

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220_Hz_sine_wave.ogg (Ogg Vorbis sound file, length 5.0 s, 18 kbps, file size: 11 KB)

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Summary

[edit]
Description
English: 5 seconds of a 220-hertz sine wave
Date
4 May 2009 (original upload date)
Source

Transferred from it.wikipedia to Commons by Fale using CommonsHelper.

I used the program at User:Army1987/waveforms.c, with 
gcc -DWAVEFORM=0 -std=c99 -lm waveforms.c -o sine
./sine | oggenc -r -C 1 - -o sine.ogg
vorbisgain sine.ogg
Author Arm1987 at Italian Wikipedia
The original uploader was Eio at Italian Wikipedia.

Licensing

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This work 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

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The original description page was here. All following user names refer to it.wikipedia.
  • 2009-05-04 19:39 Eio 0×0× (11402 bytes) Da en:wiki http://en.wikipedia.org/wiki/File:220_Hz_sine_wave.ogg {{Information |Description=5 seconds of a 220-hertz sine wave. |Source=I used the program at [[User:Army1987/waveforms.c]], with <source lang="bash">gcc -DWAVEFORM=0 -std=c99

File history

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Date/TimeThumbnailDimensionsUserComment
current12:44, 11 May 20095.0 s (11 KB)File Upload Bot (Magnus Manske) (talk | contribs) {{BotMoveToCommons|it.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{it|Da en:wiki http://en.wikipedia.org/wiki/File:220_Hz_sine_wave.ogg {{Information |Description=5 seconds

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Transcode status

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Format Bitrate Download Status Encode time
MP3 90 kbps Completed 01:56, 19 December 2019 0.0 s

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