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??? Audio Expansion Circuit ???


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Guest Alun

A compandor is a compressor and expander in one Package.

A compressor is a non-linear amplifier that has a low gain at the higher parts of a signal and higher gain at low signal levels.

A compressor has a logarithmic response and an expander has an exponential response.

Hence an expander increases the dynamic range of a signal and a compreser reduces it.

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