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

Summary

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

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

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

Captions

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inception

6 December 2008

media type

application/ogg

checksum

f20e28726c1957345f32d7dd91228afc1e7262a1

determination method or standard: SHA-1

data size

11,402 byte

duration

5 second

File history

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Date/TimeThumbnailDimensionsUserComment
current12:44, 11 May 20095.0 s (11 KB)File Upload Bot (Magnus Manske) {{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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Allikas: https://en.wikipedia.org/wiki/File:220_Hz_sine_wave.ogg
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