Digital Signal Processing Reference
In-Depth Information
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(a) Test Signal: Speech & Music
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(b) Uncompressed, Quantized to 3 bits
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(c) Output/Decompressed Signal
Figure 3.41:
(a) Test signal (analog); (b) Test signal, without prior compression, quantized to 3 bits;
(c) Analog signal reconstructed from quantized samples at (b), exhibiting a squelch effect, or total loss of
reconstructed signal when the original signal level was very low.
3.19
REFERENCES
[1] James H. McClellan, Ronald W. Schaefer, and Mark A. Yoder,
Signal Processing First
, Pearson Prentice
Hall, Upper Saddle River, New Jersey, 2003.
[2] Alan V. Oppenheim and Ronald W. Schaefer,
Discrete-Time Signal Processing
, Prentice-Hall, Engle-
wood Cliffs, New Jersey, 1989.
[3] John G. Proakis and Dimitris G. Manolakis,
Digital Signal Processing, Principles, Algorithms, and
Applications, Third Edition
, Prentice Hall, Upper Saddle River, New Jersey, 1996.
[4] Ken C. Pohlmann,
Principles of Digital Audio
, Second Edition, SAMS, Carmel, Indiana.
[5] John Watkinson,
The Art of Digital Audio, First Edition
, (Revised Reprint, 1991), Focal Press, Jordan
Hill, Oxford, United Kingdom.
[6] James A. Blackburn,
Modern Instrumentation for Scientists and Engineers
, Springer-Verlag, New York.
[7] Chris Dick and Fred Harris, “FPGA Interpolators Using Polynomial Filters,”
The 8th International
Conference on Signal Processing Applications and Technology, Toronto, Canada
, September 11, 1998.
