Building on the success of the first edition "Digital Speech offers extensive new, updated and revised material based upon the latest research. This "Second Edition continues to provide the fundamental technical background required for low bit rate speech coding and the hottest developments in digital speech coding techniques that are applicable to evolving communication systems. Features new chapters on "Pitch Estimation and Voice-Unvoiced Classification of Speech, Harmonic Speech Coding and "Multimode Speech Coding Presents a comprehensively revised chapter entitled "Analysis by Synthesis LPC Coding including specific examples of popular speech coders such as CELP (Code-Excited Linear Predictive) Coding Contains an updated chapter on Efficient LPC Quantization Methods including MSVQ and anti-aliasing filtering Discusses Voice Activity Detection (VAD) methods Offers expanded coverage of speech enhancement techniques such as echo cancellation and noise suppression
*Electronic versions of the figures are available for lecturing purposes*
Written by a well-known, highly respected academic, this authoritative volume will be invaluable to practising engineers, network designers, computer scientists and advanced students in communications, electrical and electronic engineering.
Coding with Modifiers uses real-life modifier scenarios and medical records to guide correct CPTr and HCPCS modifier usage. Readers can also learn how and when to use modifiers to avoid expensive delays and denials. How and When to Use Modifiers Coding with Modifiers is required reading for anyone that uses claim modifiers on a regular basis. This fifth edition uses the revised modifier guidelines to instruct the reader how and when to use modifiers. Real-life modifier scenarios aid the implementation of modifier guidelines.
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