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companding

   Also found in: Acronyms, Wikipedia 0.06 sec.

(1) In the analog world, a method for improving audio reproduction by altering the dynamic range of the signals. On outgoing transmission, it raises the amplitude of weak signals and lowers the amplitude of strong signals. On incoming transmission, it restores the signal to its original form. Such techniques are used in dbx and Dolby noise reduction, AM, FM and SSB radio as well as in voice and musical instrument amplification to reduce feedback. See codec.

(2) In the digital world, a compression technique used in pulse code modulation (PCM). It reduces the number of bits used to represent digital voice samples in the loudest parts of the conversation. See mu-Law, A-Law and codec.



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A-law and micron-law companding are fully supported.
Wolfson Stereo CODEC Expands Audio Applications for Mobile Phones and ... by Business Wire
A successive approximation register-based A/D converter can be combined with an on-board look-up table to provide advanced analog functions including sensor response linearization, arbitrary waveform synthesis, signal-dependent functions, analog multiplication, and signal companding.
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A successive approximation register-based A/D converter can be combined with an on-board look-up table to provide advanced analog functions including sensor response linearization, arbitrary waveform synthesis, signal-dependent functions, analog multiplication, and signal companding.
Anadigm Ships Industry's First Dynamically Reconfigurable ... by Business Wire
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