Definition of compander in English:


Line breaks: com|pand¦er
Pronunciation: /kəmˈpandə
(also compandor)


  • A device that improves the signal-to-noise ratio of an electrical signal by compressing the range of amplitudes of the signal before transmission, and then expanding it on reproduction or reception.
    More example sentences
    • To ensure noise measurements on digital carriers (PCM systems) are valid, a holding tone must be transmitted to operate the compander and quantizing circuitry in its normal operating range.
    • High quality companders are used in studios, audio workstations, and other professional environments.
    • There are several plug-ins that take advantage of the 32-bit mode, and companders for those that don't.


1930s: blend of compressor and expander (see expand).

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