The global measure is computed by using DTW or Hidden Markov Modeling. The local distortion measure is the fundamental operation to classify and distinguish between two feature vectors. The optimal filter at each state of the DP is based on information present in each state. This correction is performed when computing the local distance between two feature vectors, one pertaining to a clean template and the other to a noisy test word. An estimate of the background noise and different template hypothesis are used to built the correcting filters.
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Because the PineDSPCore was designed to be completely user customizable, designers have complete control of their product implementations. Inc. -All other trademarks are property of their respective owners. He is the manager of the Advanced Technology Lab. at DSP Group, Inc. and holds several patents in the field of Speech Processing. Prior to joining DSP Group, he was with Matra MHS and Motorola Semiconductor. D6386A System Block Diagram Figure 2.