... addressExcitation codebookPitch filterVocal-tract filterReconstructed speechPitch coefficientsVocal-tract coefficientsExcitation address Figure 1.10 Block diagram configuration of a ... the quality of communication, such as acoustic background noise, thermal noise, electromagnetic radio-frequency noise, co-channel interference, radio-channel distortion, echo and processing noise. ... 0-4 7 0-8 416 2-1 (Electronic) Applications of Digital Signal Processing 11 acoustic speech feature sequence, representing an unlabelled spoken word, as one of the V likely words or silence. For...