Higher Hz in sound means higher frequency. Frequency is the number of cycles per second of a sound wave. It is measured in hertz (Hz). The higher the frequency, the higher the pitch of the sound. For example, a middle C on a piano has a frequency of 261.6 Hz, while a high G has a frequency of 1568 Hz.
Frequency also affects the wavelength of a sound wave. Wavelength is the distance between two consecutive peaks of a wave. The higher the frequency, the shorter the wavelength. For example, a middle C has a wavelength of 1.3 meters, while a high G has a wavelength of 0.2 meters.
The frequency of a sound wave also affects how it interacts with its environment. For example, low frequency sound waves travel farther than high frequency sound waves. This is why you can hear the boom of a thunderstorm from miles away, but you can’t hear the chirping of a bird from that far away.
Here are some examples of different frequencies and their associated sounds:
- 20 Hz – 20,000 Hz: The range of human hearing
- 20 Hz – 200 Hz: Infrasound (below the range of human hearing)
- 200 Hz – 2000 Hz: Low frequencies (bass, baritone voices)
- 2000 Hz – 5000 Hz: Mid frequencies (human voice, most musical instruments)
- 5000 Hz – 20,000 Hz: High frequencies (soprano voices, cymbals)
- Above 20,000 Hz: Ultrasound (above the range of human hearing)
Higher Hz sounds are often perceived as brighter, more detailed, and more piercing. They can also be more difficult to hear, especially for older people. Lower Hz sounds are often perceived as warmer, richer, and more powerful.
The best frequency range for sound depends on the application. For example, music and movies often benefit from a wide frequency range, so that all of the instruments and effects can be reproduced accurately. However, for speech applications, a narrower frequency range may be sufficient.
Ultimately, the best way to determine the best frequency range for a particular application is to experiment and listen to what sounds best to you.