diff options
| author | Benny Prijono <bennylp@teluu.com> | 2006-11-23 10:19:46 +0000 |
|---|---|---|
| committer | Benny Prijono <bennylp@teluu.com> | 2006-11-23 10:19:46 +0000 |
| commit | 67d4e56dc8a365871c3dca4f04fcf8b9c9f47ee6 (patch) | |
| tree | e30de3c33522d7e91f091ed0f9ac0984c1f9868a /pjmedia/src/pjmedia-codec/speex/lpc_spx.c | |
| parent | 512f41cf91a5d5719696cbf8383832cbdca5a5a2 (diff) | |
Updated Speex to their latest SVN (1.2-beta). AEC seems
to work much better now and take less CPU, so I increased
default tail length in PJSUA to 800ms.
git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@823 74dad513-b988-da41-8d7b-12977e46ad98
Diffstat (limited to 'pjmedia/src/pjmedia-codec/speex/lpc_spx.c')
| -rw-r--r-- | pjmedia/src/pjmedia-codec/speex/lpc_spx.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/pjmedia/src/pjmedia-codec/speex/lpc_spx.c b/pjmedia/src/pjmedia-codec/speex/lpc_spx.c index c465faea..fd5d3821 100644 --- a/pjmedia/src/pjmedia-codec/speex/lpc_spx.c +++ b/pjmedia/src/pjmedia-codec/speex/lpc_spx.c @@ -94,7 +94,7 @@ int p for (j = 0; j < i; j++) rr = SUB32(rr,MULT16_16(lpc[j],ac[i - j])); #ifdef FIXED_POINT - r = DIV32_16(rr,ADD16(error,16)); + r = DIV32_16(rr+PSHR32(error,1),ADD16(error,8)); #else r = rr/(error+.003*ac[0]); #endif @@ -103,11 +103,11 @@ int p for (j = 0; j < i>>1; j++) { spx_word16_t tmp = lpc[j]; - lpc[j] = MAC16_16_Q13(lpc[j],r,lpc[i-1-j]); - lpc[i-1-j] = MAC16_16_Q13(lpc[i-1-j],r,tmp); + lpc[j] = MAC16_16_P13(lpc[j],r,lpc[i-1-j]); + lpc[i-1-j] = MAC16_16_P13(lpc[i-1-j],r,tmp); } if (i & 1) - lpc[j] = MAC16_16_Q13(lpc[j],lpc[j],r); + lpc[j] = MAC16_16_P13(lpc[j],lpc[j],r); error = SUB16(error,MULT16_16_Q13(r,MULT16_16_Q13(error,r))); } |