Several beeps of an active sonar. This is a low frequency sonar (long range but low definition). It is a sine wave of 1040 Hz frequency easy to put in loop. In reality, a military submarine usually has passive sonar, more sonar info: en.wikipedia.org/wiki/Sonar. Duration: 00:21.
Telephone tone when the line is busy, in France. This is a sound wave frequency of 440 Hz sinusoidal. Half a second, every second. This sound is easy to loop. Duration: 00:10.
An electrocardiogram beep when the heart beats at 60 Hz Or 60 beats per minute. The resting heart rate is 60 to 80 beats per minute. Learn how to make the sound effects of a heartbeat: www.libertivi.com/lelabodubruiteur_100. Duration: 00:09.
Telephone tone when the phone rings, in the United States and Canada. These are two sound waves of frequencies 440 Hz and 480 Hz sinusoidal. This sound is easy to loop. Duration: 00:30.
Several beeps of an active sonar. This is a low frequency sonar (long range but low definition). It is a triangular wave of 1030 Hz frequency easy to put in loop. In reality, a military submarine usually has passive sonar, more sonar info: en.wikipedia.org/wiki/Sonar. Duration: 00:31.
Telephone tone when the phone rings, in the UK, Ireland, New Zealand and many other countries with historical ties to the Commonwealth. These are two sound waves of frequencies 400 Hz and 450 Hz sinusoidal. This sound is easy to loop. Duration: 00:30.
Several beeps of an active sonar. This is a low frequency sonar (long range but low definition). It is a sine wave of 1190 Hz frequency easy to put in loop. In reality, a military submarine usually has passive sonar, more sonar info: en.wikipedia.org/wiki/Sonar. Duration: 00:21.
Telephone tone when the line is busy, in France. This is a sound wave frequency of 440 Hz sinusoidal, slightly clipped. Half a second, every second. This sound is easy to loop. Duration: 00:10.
6 bips as transmitted on the BBC from the year 1924 to 1971. It is a sine wave of frequency 1 kHz. More info: www.miketodd.net/other/gts.htm. Duration: 00:06.
