ccsub.h
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上传日期:2007-01-06
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- c CELP ARRAY SIZE PARAMETERS
- c
- c maxncsize maximum code book size (number of codewords)
- c maxl maximum codeword vector length
- c maxcode maximum code book array length in samples
- c maxll maximum LPC analysis frame size
- c maxno maximum LPC filter order
- c maxlp maximum pitch prediction frame size
- c maxnp maximum pitch prediction order
- c mmin minimum delay pitch predictor (minimum value M)
- c mmax maximum delay pitch predictor (maximum value M)
- c maxpd maximum number of pitch delays
- c maxpa maximum pitch analysis buffer length (use to be "idb")
- c (assumes code book is updated faster or same as pitch)
- c
- integer maxncsize, maxl, maxcode, maxll
- integer maxno, maxlp, maxnp, mmin, mmax, maxpd, maxpa,maxM2
- c
- parameter (maxncsize = 2**9)
- parameter (maxl = 60)
- c *shift by 2 overlapped code book:
- parameter (maxcode = 2*(maxncsize-1)+maxl)
- parameter (maxll = 240)
- parameter (maxno = 10)
- parameter (maxlp = 60)
- parameter (maxnp = 3)
- parameter (mmin = 20)
- parameter (mmax = 147)
- c *fractional pitch delays
- parameter (maxM2 = 20)
- parameter (maxpd = 2**8)
- parameter (maxpa = maxlp+mmax+maxM2+2)