diff options
| author | Felicia Lim <flim@google.com> | 2016-03-30 15:46:59 +0200 |
|---|---|---|
| committer | Jean-Marc Valin <jmvalin@jmvalin.ca> | 2016-05-31 23:47:58 -0400 |
| commit | 2d0c5f80a6944566ab274accaab30d47fc30ce40 (patch) | |
| tree | b05656de928d276475419f9ec960517f51a89a20 | |
| parent | 45ae0f0fc3589240c9873386716b6dc194e8915a (diff) | |
| download | opus-exp_silk_jm2.tar.gz | |
Attenuate SILK PLC gain only for unvoiced speechexp_silk_jm2
| -rw-r--r-- | silk/PLC.c | 6 | ||||
| -rw-r--r-- | silk/decode_frame.c | 1 |
2 files changed, 5 insertions, 2 deletions
@@ -328,8 +328,10 @@ static OPUS_INLINE void silk_PLC_conceal( for( j = 0; j < LTP_ORDER; j++ ) { B_Q14[ j ] = silk_RSHIFT( silk_SMULBB( harm_Gain_Q15, B_Q14[ j ] ), 15 ); } - /* Gradually reduce excitation gain */ - rand_scale_Q14 = silk_RSHIFT( silk_SMULBB( rand_scale_Q14, rand_Gain_Q15 ), 15 ); + if ( psDec->indices.signalType != TYPE_NO_VOICE_ACTIVITY ) { + /* Gradually reduce excitation gain */ + rand_scale_Q14 = silk_RSHIFT( silk_SMULBB( rand_scale_Q14, rand_Gain_Q15 ), 15 ); + } /* Slowly increase pitch lag */ psPLC->pitchL_Q8 = silk_SMLAWB( psPLC->pitchL_Q8, psPLC->pitchL_Q8, PITCH_DRIFT_FAC_Q16 ); diff --git a/silk/decode_frame.c b/silk/decode_frame.c index a605d95a..dfa73c4a 100644 --- a/silk/decode_frame.c +++ b/silk/decode_frame.c @@ -97,6 +97,7 @@ opus_int silk_decode_frame( psDec->first_frame_after_reset = 0; } else { /* Handle packet loss by extrapolation */ + psDec->indices.signalType = psDec->prevSignalType; silk_PLC( psDec, psDecCtrl, pOut, 1, arch ); } |