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| author | Jean-Michel Trivi <jmtrivi@google.com> | 2010-03-14 14:22:51 -0700 |
|---|---|---|
| committer | Jean-Michel Trivi <jmtrivi@google.com> | 2010-03-14 14:22:51 -0700 |
| commit | df387f9c2d4cb129ad311dbda30b7fd52f274cb1 (patch) | |
| tree | bd9c2afdaea5c24a03f25ec4751e9f4f0176711d /pico | |
| parent | 87b9054f1dd4a4d728e6313edcb036a85b7ed06e (diff) | |
| download | external_svox-df387f9c2d4cb129ad311dbda30b7fd52f274cb1.zip external_svox-df387f9c2d4cb129ad311dbda30b7fd52f274cb1.tar.gz external_svox-df387f9c2d4cb129ad311dbda30b7fd52f274cb1.tar.bz2 | |
Revert energy distribution update introduced in Pico engine 1.1.0.2
as it sounds more muffled, particularly with eng-USA
Change-Id: I77c366afb1926f045ef931d0d66ce6a0bb377893
Diffstat (limited to 'pico')
| -rw-r--r-- | pico/lib/picosig2.c | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/pico/lib/picosig2.c b/pico/lib/picosig2.c index 509c33a..11a606a 100644 --- a/pico/lib/picosig2.c +++ b/pico/lib/picosig2.c @@ -779,8 +779,6 @@ void impulse_response(sig_innerobj_t *sig_inObj) picoos_int32 *norm_window; /* - fixed point */ picoos_int32 *fr, *Fr, *Fi, *t1, ff; /* - fixed point */ - picoos_int32 mx,mn, rat; - /*Link local variables with sig object*/ m2 = sig_inObj->m2_p; m4 = m2 >> 1; @@ -816,45 +814,6 @@ void impulse_response(sig_innerobj_t *sig_inObj) /*normalize impulse response*/ t1 = fr;FAST_DEVICE(PICODSP_FFTSIZE,*(t1++) /= ff;); /* - fixed point */ - - mx = mn = 0; - t1 = fr; - FAST_DEVICE(PICODSP_FFTSIZE,if (*t1>mx) mx=*t1; if (*t1<mn) mn=*t1; t1++;); - mn = -mn; - if (mx>mn) { - rat = mx / (mn>>5); /* ratio * 32*/ - if (rat > 40) rat = 40; /* 1.25 * 32 */ - /* now rat is between 32 and 40 */ - switch (rat) { - case 32: /* do nothing */ - break; - case 33: - t1 = fr;FAST_DEVICE(PICODSP_FFTSIZE,if (*t1<0) *t1-=(-*t1)>>5; t1++;); - break; - case 34: - t1 = fr;FAST_DEVICE(PICODSP_FFTSIZE,if (*t1<0) *t1-=(-*t1)>>4; t1++;); - break; - case 35: - t1 = fr;FAST_DEVICE(PICODSP_FFTSIZE,if (*t1<0) *t1-=(((-*t1)>>5)+((-*t1)>>4)); t1++;); - break; - case 36: - t1 = fr;FAST_DEVICE(PICODSP_FFTSIZE,if (*t1<0) *t1-=(-*t1)>>3; t1++;); - break; - case 37: - t1 = fr;FAST_DEVICE(PICODSP_FFTSIZE,if (*t1<0) *t1-=(((-*t1)>>5)+((-*t1)>>3)); t1++;); - break; - case 38: - t1 = fr;FAST_DEVICE(PICODSP_FFTSIZE,if (*t1<0) *t1-=(((-*t1)>>4)+((-*t1)>>3)); t1++;); - break; - case 39: - t1 = fr;FAST_DEVICE(PICODSP_FFTSIZE,if (*t1<0) *t1-=(((-*t1)>>5)+((-*t1)>>4) + ((-*t1)>>3)); t1++;); - break; - case 40: - t1 = fr;FAST_DEVICE(PICODSP_FFTSIZE,if (*t1<0) *t1-=(-*t1)>>2; t1++;); - break; - } - } - } /* impulse_response */ /** |