diff options
| -rw-r--r-- | silk/float/pitch_analysis_core_FLP.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/silk/float/pitch_analysis_core_FLP.c b/silk/float/pitch_analysis_core_FLP.c index 94b0fa4e..e919e409 100644 --- a/silk/float/pitch_analysis_core_FLP.c +++ b/silk/float/pitch_analysis_core_FLP.c @@ -471,18 +471,18 @@ opus_int silk_pitch_analysis_core_FLP( /* O Voicing estimate: 0 voiced, } /*********************************************************************** -/* Calculates the correlations used in stage 3 search. In order to cover -/* the whole lag codebook for all the searched offset lags (lag +- 2), -/* the following correlations are needed in each sub frame: -/* -/* sf1: lag range [-8,...,7] total 16 correlations -/* sf2: lag range [-4,...,4] total 9 correlations -/* sf3: lag range [-3,....4] total 8 correltions -/* sf4: lag range [-6,....8] total 15 correlations -/* -/* In total 48 correlations. The direct implementation computed in worst -/* case 4*12*5 = 240 correlations, but more likely around 120. -/***********************************************************************/ + * Calculates the correlations used in stage 3 search. In order to cover + * the whole lag codebook for all the searched offset lags (lag +- 2), + * the following correlations are needed in each sub frame: + * + * sf1: lag range [-8,...,7] total 16 correlations + * sf2: lag range [-4,...,4] total 9 correlations + * sf3: lag range [-3,....4] total 8 correltions + * sf4: lag range [-6,....8] total 15 correlations + * + * In total 48 correlations. The direct implementation computed in worst + * case 4*12*5 = 240 correlations, but more likely around 120. + ***********************************************************************/ static void silk_P_Ana_calc_corr_st3( silk_float cross_corr_st3[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE3_MAX ][ PE_NB_STAGE3_LAGS ], /* O 3 DIM correlation array */ const silk_float frame[], /* I vector to correlate */ |