Sound - Wikipedia, the free encyclopedia
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Sound is a travelling wave which is an oscillation of pressure transmitted through a solid, liquid, or gas, composed of frequencies within the range of hearing and of a level sufficiently strong to b...
en.wikipedia.org/wiki/Sound
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Audio frequency - Wikipedia, the free encyclopedia
An audio frequency (abbreviation: AF ), or audible frequency is characterized as a periodic vibration whose frequency is audible to the average human. While the range of frequencies that any ind...
en.wikipedia.org/wiki/Audio_frequency
An introduction to the nature of sound - frequency, wavelength and octaves ... The frequency - cycles per second - of a sound is expressed in hertz - Hz. The frequency can be expressed as...
www.engineeringtoolbox.com/sound-frequency-wavelength-d... www.engineeringtoolbox.com/sound-frequency-wavelength-d_56.html
When talking about sound, frequency means the number of cycles of sound in a second. The following diagram shows a high frequency wave (top) and a low frequency wave (bottom), plotted as pressure versus time. The high frequency wave has completed twelve cycles over the time shown.
www.dosits.org/science/whatis/frequency.htm www.dosits.org/science/whatis/frequency.htm
Marine Mammals and Low-Frequency Sound: (2000) ; Commission on Geosciences, Environment and Resources (CGER); Ocean Studies Board (OSB); ... Low-Frequency Sound and Marine Mammals: Current Knowledge and Research Needs (1994) (ISBN 0309050251) Committee on Low-Frequency Sound and Marine Mammals, National Research Council...
books.nap.edu/openbook.php?record_id=9756&displayrelate... books.nap.edu/openbook.php?record_id=9756&displayrelated=1
The frequency of sound is the rate at which the waves pass a given point. It is also the rate at which a guitar string or a loudspeaker vibrates. ... Since the velocity of sound is approximately the same for all wavelengths, frequency is often used to better describe the effects of the different wavelengths.
www.school-for-champions.com/science/sound.htm www.school-for-champions.com/science/sound.htm
After studying this situation, they found that elephants could make a very low frequency sound that humans can’t hear. Elephants are able to hear this sound coming from up to 5 miles away. It is amazing the distances from while they can communicate with each other...
www.school-for-champions.com/senses/hearpitch.htm
The sensation of a frequencies is commonly referred to as the pitch of a sound. A high pitch sound corresponds to a high frequency sound wave and a low pitch sound corresponds to a low frequency sound wave.
www.physicsclassroom.com/Class/sound/U11L2a.html www.physicsclassroom.com/Class/sound/U11L2a.html
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