This paper describes our enhanced mixed excitation linear prediction (MELP) speech coder
which is a candidate for the new US Federal Standard at 2.4 kbits/s. The new coder is based …

Speech and audio compression has advanced rapidly in recent years spurred on by cost-
effective digital technology and diverse commercial applications. Recent activity in speech …

For dictionary-based decompositions of certain types, it has been observed that there might
be a link between sparsity in the dictionary and sparsity in the decomposition. Sparsity in the …

Adaptive Signal Models: Theory, Algorithms and Audio Applications presents methods for
deriving mathematical models of natural signals. The introduction covers the fundamentals …

A Practical Handbook of Speech Coders offers in-depth treatment of the basics of speech
coding plus the innovations to the basic methods that make the coders useful and efficient. It …

A method and apparatus for encoding speech for communication to a decoder for
reproduction of the speech where the speech signal is classified into steady state voiced …

A method and apparatus for encoding speech for communication to a decoder for
reproduction of the speech where the speech signal is classified into steady state voiced …

This paper describes recent advances in glottal source modeling for speech synthesis. In
particular two procedures for modeling the glottal excitation waveform are described and …

Encoding of prototype waveform components applicable to GeoMobile and Telephony Earth
Station (TES) providing improved voice quality enabling a dual-channel mode of operation …

For low-rate speech coding it is advantageous to represent the speech signal as an evolving
characteristic waveform (CW). The CW evolves slowly when the speech signal is clearly …