Companding is a portmanteau for a “compressing-expanding” mechanism. It compresses the signals before transmitting on a band-limited channel and expands them when … See more

Human speech is composed of different amplitude utterances and sounds called phonemes, and possesses a large dynamic range. However, the required bandwidth to be transmit… See more

In companding, quantization intervals increase logarithmically with an increase in the amplitude of the signal. Two such logarithmic companding curves are A-lawcurve a… See more

Companding can be implemented directly from the compression and expansion equations covered in the section “Logarithmic Companding Curves”. Here, each of th… See more

In companding, the rate of compression depends on the values of compression parameters µ and A of the equations presented in the section “Logarithmic Compandin… See more