ref: 844f00def9936c3849a93f9d19c964bbd3212bab
parent: a8160ddee8a48cac7abba41319803870cc163797
author: Jean-Marc Valin <[email protected]>
date: Tue Oct 12 18:18:09 EDT 2010
Don't take into account silence for the coarse energy means
--- a/libcelt/quant_bands.c
+++ b/libcelt/quant_bands.c
@@ -45,21 +45,21 @@
#ifdef FIXED_POINT
/* Mean energy in each band quantized in Q6 */
const signed char eMeans[25] = {- 92, 85, 76, 69, 65,
- 61, 56, 55, 63, 61,
- 59, 57, 65, 61, 57,
- 61, 59, 64, 66, 63,
- 54, 54, 54, 54, 54
+ 103,100, 92, 85, 81,
+ 77, 72, 70, 78, 75,
+ 73, 71, 78, 74, 69,
+ 72, 70, 74, 76, 71,
+ 60, 60, 60, 60, 60
};
#else
/* Mean energy in each band quantized in Q6 and converted back to float */
const celt_word16 eMeans[25] = {- 5.750000f, 5.312500f, 4.750000f, 4.312500f, 4.062500f,
- 3.812500f, 3.500000f, 3.437500f, 3.937500f, 3.812500f,
- 3.687500f, 3.562500f, 4.062500f, 3.812500f, 3.562500f,
- 3.812500f, 3.687500f, 4.000000f, 4.125000f, 3.937500f,
- 3.375000f, 3.375000f, 3.375000f, 3.375000f, 3.375000f
- };
+ 6.437500f, 6.250000f, 5.750000f, 5.312500f, 5.062500f,
+ 4.812500f, 4.500000f, 4.375000f, 4.875000f, 4.687500f,
+ 4.562500f, 4.437500f, 4.875000f, 4.625000f, 4.312500f,
+ 4.500000f, 4.375000f, 4.625000f, 4.750000f, 4.437500f,
+ 3.750000f, 3.750000f, 3.750000f, 3.750000f, 3.750000f
+};
#endif
/* prediction coefficients: 0.9, 0.8, 0.65, 0.5 */
#ifdef FIXED_POINT