CHAPTER 12 AUDIO DEMONSTRATIONS: SPEECH CODING

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Audio Demo 12.1: Speech coding based on sinusoidal analysis/synthesis
		 (Section 12.5.2)

Series of utterances 		
	*.8k			Original
	*.4800.8k 		Synthesis at 4800 bps
	*.3600.8k 		Synthesis at 3600 bps
	*.2400.8k 		Synthesis at 2400 bps


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Audio Demo 12.2: Speech coding based on CELP (G.729)
		 (Section 12.7.3)
	
Series of utterances 		
	*.8k			Original
	*.8000.8k 		Synthesis at 8000 bps


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Audio Demo 12.3: Speech coding based on basic (original) linear prediction 
	         analysis/synthesis [*] (Figure 12.6.1)

lpc_basic/lpc_coded.16k		File contains:
				  a: Original
				  b: Quantized
				       7200 bps
				       4800 bps
				       2400 bps


[*] Reprinted with permission from:

B.S. ATAL AND S.L. HANAUER, "SPEECH ANALYSIS AND 
SYNTHESIS BY LINEAR PREDICTION OF THE SPEECH WAVEFORM,"
J. ACOUSTICAL SOCIETY OF AMERICA, VOL. 50, PP. 637-655, AUGUST 1971.

Copyright 1971, Acoustical Society of America. These demonstrations 
may be downloaded for personal use only. Any other use requires 
prior permission of the author and the Acoustical Society of America
(http://asa.aip.org).


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