Cellularphonesrepresentahugeandrapidlygrowingmarket.Acrucialpartofthedesignof these phones is to minimise the power consumption of the electronic circuitry, as this to a large extent controls the size and longevity of the battery. One of the major sources of power consumption within the digital components of a mobile phone is the digital signal processor (DSP) which performs many of the complex operations required to transmit and receive compressed digital speech data over a noisy radio channel......