
1) A two section device that is used in noise reduction systems. The first section compresses the audio signal, before it is recorded, and the second section, expands the signal after recording.
2) In Yamaha brand digital consoles, a signal processing function that applies both compression and expansion to the same signal.
Found on
http://www.encyclo.co.uk/local/20447

Outboard sound equipment. Combination of a Compressor and an Expander.
Found on
http://www.encyclo.co.uk/local/20447

Refers to a device that compresses an input signal and expands the output signal in order to reduce noise. (Sound)
Found on
http://www.filmland.com/glossary/Dictionary.html#A

In audio engineering a compander is a compressor/expander - a combination of signal compression and expansion. The compander attenuates the input signal above the threshold as well as the level below the width. For very dynamic material, this device allows you to retain the dynamic range without having to be concerned with excessive output signal l...
Found on
http://www.probertencyclopaedia.com/browse/GC.HTM

Encode decode device that compresses a signal while encoding it, then expands it when decoding it.
Found on
http://www.traditionalmusic.co.uk/music%20tech%20glossary/Music%20Tech%20Gl

(in a communications path) a combination of a compressor at one point and an expander at another, the compressor reducing the volume of a signal and the expander restoring it.
Found on
https://www.infoplease.com/dictionary/compander
No exact match found.