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| author | Johnathan Corgan <johnathan@corganlabs.com> | 2014-04-21 09:41:31 -0700 |
|---|---|---|
| committer | Johnathan Corgan <johnathan@corganlabs.com> | 2014-04-21 09:41:31 -0700 |
| commit | 33e5aeb722ba4fc1c2ae3162c4940b546037717f (patch) | |
| tree | c3f1e57feeab5ea07e0bc5d7d56791c881f457b7 /gr-vocoder/lib/codec2/lpc.h | |
| parent | a3998949d9c65076d91e3165733a5abd381ad882 (diff) | |
| parent | 5efae492bb690e8e92fe18fb0abe0aff345c3935 (diff) | |
Merge branch 'merge-codec2-update'
Diffstat (limited to 'gr-vocoder/lib/codec2/lpc.h')
| -rw-r--r-- | gr-vocoder/lib/codec2/lpc.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gr-vocoder/lib/codec2/lpc.h b/gr-vocoder/lib/codec2/lpc.h index 9125189d1b..482aa1fff5 100644 --- a/gr-vocoder/lib/codec2/lpc.h +++ b/gr-vocoder/lib/codec2/lpc.h @@ -9,7 +9,7 @@ \*---------------------------------------------------------------------------*/ /* - Copyright (C) 2009 David Rowe + Copyright (C) 2009-2012 David Rowe All rights reserved. @@ -30,9 +30,10 @@ #define LPC_MAX_ORDER 20 +void pre_emp(float Sn_pre[], float Sn[], float *mem, int Nsam); +void de_emp(float Sn_se[], float Sn[], float *mem, int Nsam); void hanning_window(float Sn[], float Wn[], int Nsam); void autocorrelate(float Sn[], float Rn[], int Nsam, int order); -void autocorrelate_freq(float Pw[], float w[], float R[], int Nsam, int order); void levinson_durbin(float R[], float lpcs[], int order); void inverse_filter(float Sn[], float a[], int Nsam, float res[], int order); void synthesis_filter(float res[], float a[], int Nsam, int order, float Sn_[]); |