original description page was here. All following user names refer to en.wikipedia. 2004-02-03 23:10 Denelson83 0×0× (5904 bytes) 440 Hz tone English...
DescriptionSinus-440Hz-2s.ogg English: Pure Sinus Sound with 440Hz and duration of 2 seconds. Date 10 March 2019 Source Own work Author MikeRun...
DescriptionLeft and right test.ogg English: First, a 440hz tone will play on the LEFT side. Then, it will stop and play a 440hz tone on the RIGHT side. This...
while the lower tone remains at 220Hz. For the final two seconds of the graph, the tones remain stable at one octave (220Hz and 440Hz). On this graph...
