Companding Digital Signal Processors. - Aaron E. Klein; Yannis P. Tsividis (ICASSP (3), 2006)

Instantaneously Companding Digital Signal Processors. - Aaron E. Klein; Yannis P. Tsividis (ICASSP (3), 2007)

Externally linear time invariant digital signal processors. - Aaron E. Klein; Yannis P. Tsividis (IEEE Trans. Signal Process., 2010)

Direct processing of mpeg audio using companding and BFP techniques. - Christos Vezyrtzis; Aaron E. Klein; Dan Ellis; Yannis P. Tsividis (ICASSP, 2011)

Externally Linear Discrete-Time Systems With Application to Instantaneously Companding Digital Signal Processors. - Aaron E. Klein; Yannis P. Tsividis (IEEE Trans. Circuits Syst. I Regul. Pap., 2011)