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[1.45.45]

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Fixed bug where SSML voice change didn't remember an initially specified Klatt variant.

Removed some unused variables and redundant initializations.

Patch to fix a spike from Klatt function setzeroabc()


git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@275 d46cf337-b52f-0410-862d-fd96e6ae7743
This commit is contained in:
jonsd
2011-10-07 12:47:46 +00:00
parent 9e73010621
commit d18532991a
33 changed files with 436 additions and 230 deletions
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src/klatt.cpp
+15 -9
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@@ -883,12 +883,10 @@ static void setzeroabc(long int f, long int bw, resonator_ptr rp)
double arg;
f = -f;
if(f>=0)
{
f = -1;
}
//NOTE, changes made 30.09.2011 for Reece Dunn <msclrhd@googlemail.com>
// fix a sound spike when f=0
/* First compute ordinary resonator coefficients */
/* Let r = exp(-pi bw t) */
arg = kt_globals.minus_pi_t * bw;
@@ -905,9 +903,17 @@ static void setzeroabc(long int f, long int bw, resonator_ptr rp)
rp->a = 1.0 - rp->b - rp->c;
/* Now convert to antiresonator coefficients (a'=1/a, b'=b/a, c'=c/a) */
rp->a = 1.0 / rp->a;
rp->c *= -rp->a;
rp->b *= -rp->a;
/* If f == 0 then rp->a gets set to 0 which makes a'=1/a set a', b' and c' to
* INF, causing an audible sound spike when triggered (e.g. apiration with the
* nasal register set to f=0, bw=0).
*/
if (rp->a != 0)
{
/* Now convert to antiresonator coefficients (a'=1/a, b'=b/a, c'=c/a) */
rp->a = 1.0 / rp->a;
rp->c *= -rp->a;
rp->b *= -rp->a;
}
}