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What does 940 Hz sound like?
940 Hz is a midrange frequency. It is a clear midrange tone, close to where the human ear does most of its work for speech and melody.
A 940 Hz sound wave completes 940 cycles every second, so one cycle lasts 1.06 ms. In air at 20 °C, where sound travels at about 343 m/s, each wave is 36.5 cm (1.20 ft) long; in water it stretches to 1.58 m because sound moves about 4.3 times faster there.
Musically, 940 Hz is 14 cents above A♯5 (932.33 Hz) in standard A440 tuning. Doubling it to 1,880 Hz raises the pitch by one octave; halving it to 470 Hz lowers it by one.
Wavelength of 940 Hz in different materials
| Medium | Speed of sound | Wavelength |
|---|---|---|
| Air (20 °C) | 343 m/s | 36.5 cm |
| Fresh water | 1,481 m/s | 1.58 m |
| Seawater | 1,500 m/s | 1.60 m |
| Helium | 1,007 m/s | 1.07 m |
| Steel | 5,960 m/s | 6.34 m |
| Glass | 5,640 m/s | 6.00 m |
Harmonics and octaves
Real instruments playing 940 Hz also produce harmonics at whole-number multiples of the fundamental. Their relative strength gives each instrument its timbre.
Which animals can hear 940 Hz?
Can hear it
Humans, Dogs, Cats, Horses, Cows, Sheep, Pigs, Goats, Rabbits, Rats, Gerbils, Guinea pigs, Hedgehogs, Raccoons, Ferrets, Opossums, Chinchillas, Elephants, Bottlenose dolphins, Chickens, Canaries, Budgerigars (parakeets), Cockatiels, Owls, Bullfrogs, Tree frogs, Goldfish, Catfish, Tuna
Cannot hear it
Instruments and voices that can play 940 Hz
Frequently asked questions
What does 940 Hz sound like?
It is a clear midrange tone, close to where the human ear does most of its work for speech and melody.
Can humans hear 940 Hz?
Yes. 940 Hz is inside the typical human hearing range of 20 Hz to 20 kHz.
What musical note is 940 Hz?
940 Hz is 14 cents above A♯5, which is 932.33 Hz in standard A440 tuning.
What is the wavelength of 940 Hz?
About 36.5 cm in air at 20 °C and 1.58 m in water.
Can dogs hear 940 Hz?
Yes – dogs hear roughly 67 Hz to 45,000 Hz.