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Diffstat (limited to 'media/libopus/silk/tuning_parameters.h')
-rw-r--r--media/libopus/silk/tuning_parameters.h28
1 files changed, 6 insertions, 22 deletions
diff --git a/media/libopus/silk/tuning_parameters.h b/media/libopus/silk/tuning_parameters.h
index 5b8f404235..d70275fd8f 100644
--- a/media/libopus/silk/tuning_parameters.h
+++ b/media/libopus/silk/tuning_parameters.h
@@ -53,19 +53,12 @@ extern "C"
/* LPC analysis regularization */
#define FIND_LPC_COND_FAC 1e-5f
-/* LTP analysis defines */
-#define FIND_LTP_COND_FAC 1e-5f
-#define LTP_DAMPING 0.05f
-#define LTP_SMOOTHING 0.1f
-
-/* LTP quantization settings */
-#define MU_LTP_QUANT_NB 0.03f
-#define MU_LTP_QUANT_MB 0.025f
-#define MU_LTP_QUANT_WB 0.02f
-
/* Max cumulative LTP gain */
#define MAX_SUM_LOG_GAIN_DB 250.0f
+/* LTP analysis defines */
+#define LTP_CORR_INV_MAX 0.03f
+
/***********************/
/* High pass filtering */
/***********************/
@@ -103,25 +96,16 @@ extern "C"
#define SPARSE_SNR_INCR_dB 2.0f
/* threshold for sparseness measure above which to use lower quantization offset during unvoiced */
-#define SPARSENESS_THRESHOLD_QNT_OFFSET 0.75f
+#define ENERGY_VARIATION_THRESHOLD_QNT_OFFSET 0.6f
/* warping control */
#define WARPING_MULTIPLIER 0.015f
/* fraction added to first autocorrelation value */
-#define SHAPE_WHITE_NOISE_FRACTION 5e-5f
+#define SHAPE_WHITE_NOISE_FRACTION 3e-5f
/* noise shaping filter chirp factor */
-#define BANDWIDTH_EXPANSION 0.95f
-
-/* difference between chirp factors for analysis and synthesis noise shaping filters at low bitrates */
-#define LOW_RATE_BANDWIDTH_EXPANSION_DELTA 0.01f
-
-/* extra harmonic boosting (signal shaping) at low bitrates */
-#define LOW_RATE_HARMONIC_BOOST 0.1f
-
-/* extra harmonic boosting (signal shaping) for noisy input signals */
-#define LOW_INPUT_QUALITY_HARMONIC_BOOST 0.1f
+#define BANDWIDTH_EXPANSION 0.94f
/* harmonic noise shaping */
#define HARMONIC_SHAPING 0.3f