sample rate

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(n.) The frequency at which bits of data are recorded in digitizing a sound. Normally, sound is sampled at 44.1 kHz, 48kHz, or 96kHz. To reduce the amount of space required to store audio data, The rates may be cut in half. Lower rates and are not advisable for high-fidelity music. When a sample encoded at a given bit rate is converted to a higher or a lower rate, some noise is introduced, but this is not nearly as serious as the artifacts generated in bit-rate conversion from 16-bit to 8-bit audio.