LECTURE 10: ACOUSTIC TRANSDUCERS
- Objectives:
- Introduce the basic types of microphones
- Understand microphone impedance and other physical
parameters
- Learn how these influence the speech signal
- Introduce the concept of adaptive filtering to
improve signal quality
- Introduce advanced technology such as microphone arrays
This material follows the course textbook closely:
X. Huang, A. Acero, and H.W. Hon,
Spoken Language Processing - A Guide to Theory, Algorithm,
and System Development,
Prentice Hall, Upper Saddle River, New Jersey, USA,
ISBN: 0-13-022616-5, 2001.
This textbook contains an excellent discussion of these topics.
Another good reference source for this material is:
G.S.K. Wong and T.F.W. Embleton (Eds.),
AIP Handbook of Condensor Microphones: Theory, Calibration, and
Measurements,
American Institute of Physics, New York, New York, USA,
ISBN: 1-56396-284-5, 1995.
This is one of the definitive publications on condensor microphones.