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Infrasound is sound that is lower in frequency than 20 Hz (Hertz) or cycles per second, the normal limit of human hearing. Ultrasonic waves have frequencies above the audible range at around 20 kHz. Audible sound is within human hearing range.
20 Hz to 20,000 Hz and they are called Audible Range (Sonic Spectrum).
HIGHEST AUDIBLE FREQUENCY IS 25Hz..WHILE THE LOWEST AUDIBLE FREQUENCY IS 15Hz
Approximately 20-20,000 Hz when you are young. When you get older, the range gets narrower - especially, you won't be able to hear the higher frequencies.
Infrasound.
Infrasonic
It is not physical, save when He chooses at which time it is within the normal range
Sound waves with frequencies above the normal human range of hearing are called ultrasoundUltrasoundUltrasonic for frequencies higher than a human can hear, and infrasonic for those frequencies below the human threshold of hearing.
Infrasound is sound that is lower in frequency than 20 Hz (Hertz) or cycles per second, the normal limit of human hearing. Ultrasonic waves have frequencies above the audible range at around 20 kHz. Audible sound is within human hearing range.
Sound waves with frequencies above the normal human range of hearing are called ultrasoundUltrasoundUltrasonic for frequencies higher than a human can hear, and infrasonic for those frequencies below the human threshold of hearing.
20 Hz to 20,000 Hz and they are called Audible Range (Sonic Spectrum).
HIGHEST AUDIBLE FREQUENCY IS 25Hz..WHILE THE LOWEST AUDIBLE FREQUENCY IS 15Hz
Ultrasonic
The range of human hearing includes frequencies from about 15 to about 18,000 cycles per second. This varies from one individual to another, especially at the higher frequencies. High frequencies usually become less audible with age.
The range of human hearing includes frequencies from about 15 to about 18,000 cycles per second. This varies from one individual to another, especially at the higher frequencies. High frequencies usually become less audible with age.
The range of human hearing includes frequencies from about 15 to about 18,000 cycles per second. This varies from one individual to another, especially at the higher frequencies. High frequencies usually become less audible with age.
The range of human hearing includes frequencies from 15 to about 18,000 cycles per second. This varies from one individual to another, especially at the higher frequencies. High frequencies usually become less audible with age.