Speech processing in the object-oriented DSP environment quicksig

Several new software techniques are available that can be used to enhance the productivity and flexibility of speech signal processing especially in research and exploratory prograrnrning of new algorithms. This paper describes an object-oriented signal processing environment QuickSig and how it is applied in various speech processing tasks. The notion of signals as objects and Operations as generic functions is presented. Other features to be described are event-based analysis of signals, representation of symbolic structures, graphic prograrnrning and block diagram description of algorithms as weil as code generation for DSP processors from high-level specifications. Examples are given to characterize the use of the system in speech synthesis, analysis and recognition.