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Acoustic Signals and Hearing A Time-Envelope and Phase Spectral Approach

Langue : Anglais

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Couverture de l’ouvrage Acoustic Signals and Hearing

Understanding acoustics ? the science of sound -- is essential for audio and communications engineers working in media technology. It is also extremely important for engineers to understand what allows a sound to be heard in the way it is, what makes speech intelligible, and how a particular sound is recognized within a multitude of sounds. Acoustic Signals and Hearing: A Time-Envelope and Phase Spectral Approach is unique in presenting the principles of sound and sound fields from the perspective of hearing, particularly through the use of speech and musical sounds.

Acoustic Signals and Hearing: A Time-Envelope and Phase Spectral Approach is an ideal resource for researchers and acoustic engineers working in today?s environment of media technology, and graduate students studying acoustics, audio engineering, and signal processing.

1. Introduction2. Resonance Systems3. Modulation waveform and masking effect4. Spectral and temporal effects of signals on speech intelligibility5. Spectral envelope and source signature analysis6. Room reverberation theory and transfer function7. Intelligibility and reverberation8. Subjective evaluation for coherent region in reverberant space9. Spatial impression and binaural sound field

Researchers, graduate students in acoustics, audio engineering and signal processing

Mikio Tohyama holds a Doctorate of Engineering from Waseda University, Tokyo, Japan. Beginning in 1975 and for the next 18 years, Dr. Tohyama worked in research projects involving acoustics, vibration, and signal processing at the Nippon Telegraph and Telephone (NTT) Research Laboratories in Japan. From 1993 until 2003 he was professor at Kogakuin University, Tokyo, before moving to Waseda University, Tokyo, where he was professor of sound and auditory perception until 2012. In 2012 he founded a research consulting firm, Wave Science Study (WSS), which he still runs today. His present research interests are sound signature analysis oriented to sound field perception. Dr. Tohyama enjoys playing the piano every day.
  • Presents unique sounds and sound fields from the perspective of hearing
  • Covers source-signature and sound-path analysis
  • Gives a reconstruction of the basics of acoustics and audio engineering via timeless topics such as linear system theory in the time and frequency domains
  • Uses the new envelope and phase analysis approach to signal and waveform analysis
  • Provides new perspectives via phase properties on ways to solve acoustical problems
  • Presents straightforward mathematical formulations that give familiarity to discrete expressions of sound waves
  • Gives a seamless and intuitive understanding — from mathematical expressions to a subjective impression of sound