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37 Cards in this Set
- Front
- Back
hertz |
A unit of frequency |
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frequency |
the number of items occurring in a given category |
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echolocation |
the general method of locating objects by determining the time for anecho to return and the direction from which it returns, as by radar orsonar |
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infrasound |
sound with frequencies below the audible range. |
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ultrasound |
sound with a frequency greater than 20,000 Hz,approximately the upper limit of human hearing. |
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sound |
the sensation produced by stimulation of the organs of hearing byvibrations transmitted through the air or other medium. |
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elasticity |
the property of a substance that enables it to change itslength, volume, or shape in direct response to a force effecting such achange and to recover its original form upon the removal of the force. |
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acoustics |
pertaining to the sense or organs of hearing, to sound, or to the scienceof sound. |
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transducer |
a device that receives a signal in the form of one type of energy andconverts it to a signal in another form |
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tuning fork |
a steel instrument consisting of a stem with two prongs, producing amusical tone of definite, constant pitch when struck, and serving as astandard for tuning musical instruments, making acousticalexperiments, and the like. |
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compression |
the effect, result, or consequence of being compressed. |
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rarefaction |
the reduction of an item's density |
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cycle |
any complete round or series of occurrences that repeats or isrepeated. |
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period |
any specified division or portion of time |
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sound wave frquency |
any specified division or portion of time |
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wavelength |
the distance, measured in the direction of propagation of awave, between two successive points in the wave that arecharacterized by the same phase of oscillation. |
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amplitude |
the state or quality of being ample, especially as to breadth or width;largeness; greatness of extent. |
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tone |
any sound considered with reference to its quality, pitch, strength,source, etc.: |
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decibel |
a unit used to express the intensity of a sound wave, equal to 20 timesthe common logarithm of the ratio of the pressure produced by thesound wave to a reference pressure, usually 0.0002 microbar. |
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absorption |
the removal of energy or particles from a beam by themedium through which the beam propagates.
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reflection |
the return of light, heat, sound, etc., after striking a surface |
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refraction |
the change of direction of a ray of light, sound, heat, or thelike, in passing obliquely from one medium into another in which itswave velocity is different. |
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bitrate |
describes the rate at which bits are transferred from one location to another. |
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codecs |
Audio and video files are compressed with a certain codec when they are saved and then decompressed by the codec when they are played back. |
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wrappers |
a person or thing that wraps. |
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WAV |
is a Microsoft and IBM audio file format standard for storing an audio bitstream on PCs. |
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AIFF |
Short for Audio Interchange File Format, a common format for storing and transmitting sampled sound. |
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CDA |
audio files that can be stored on CD media |
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MP3 |
A portable consumer electronic device that allows you to store and plays music files in MP3 format |
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AAC |
Short for Advanced Audio Coding, one of the audio compression formats defined by the MPEG-2 standard |
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MIDI |
A standard adopted by the electronic music industry for controlling devices, such as synthesizers and sound cards, that emit music. |
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Audacity |
Audacity is the name of a popular open source multilingual audio editor and recorder software that is used to record and edit sounds. |
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Garage Band |
record songs, make beats, publish podcasts, share MP3s |
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monaural sound |
Commonly called mono sound, mono, or non-stereo sound, this early sound system used a single channel of audio for sound output. In monophonic sound systems, the signal sent to the sound system encodes one single stream of sound and it usually uses just one speaker. |
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stereophonic sound |
sound produced by a stereo |
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surround sound |
sound that emerges from the surrounds |
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streaming |
Streaming or media streaming is a technique for transferring data so that it can be processed as a steady and continuous stream. |