A one second sinewave of 440Hz, the frequency that corresponds to an A4.
Sine wave. 440 Hz frequency Created with Audacity
A synthesized sinusoid of 440 Hz, corresponding to the frequency of the note A4, with a duration of 10 seconds ...
Made by a student in Lyon, France.
Sum of two sinewaves. One of 440Hz and the other of 490Hz.
Sounds just like a telephone, in pack BEEP this is a GoLDBeRG.
Sound created with Audacity Ajout d'un sifflet avec fondu en ouverture Typologie de Schaeffer : Continu tonique (N) Morphologie : ...
A one second sinewave of frequency 490Hz
- Mono (square, frequency 440) - Effect "Progressive variation of the height" (-13 to +52) - Effect "Tremolo" (triangle)
I combined a Shakuattack and a very similar Padsound. Processing with Audacity and Magix.
A simple ding that you would hear on an airplane, over the PA or calling a flight-attendant.