Updating Opus to release 1.1

silk/tuning_parameters.h

 /***********************************************************************
 Copyright (c) 2006-2011, Skype Limited. All rights reserved.
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 - Redistributions of source code must retain the above copyright notice,
 this list of conditions and the following disclaimer.
 - Redistributions in binary form must reproduce the above copyright
 notice, this list of conditions and the following disclaimer in the
 documentation and/or other materials provided with the distribution.
@@ skipping 32 matching lines @@
 /* Level of noise floor for whitening filter LPC analysis in pitch analysis */
 #define FIND_PITCH_WHITE_NOISE_FRACTION                 1e-3f
 
 /* Bandwidth expansion for whitening filter in pitch analysis */
 #define FIND_PITCH_BANDWIDTH_EXPANSION                  0.99f
 
 /*********************/
 /* Linear prediction */
 /*********************/
 
-/* LPC analysis defines: regularization and bandwidth expansion */
+/* 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
+
 /***********************/
 /* High pass filtering */
 /***********************/
 
 /* Smoothing parameters for low end of pitch frequency range estimation */
 #define VARIABLE_HP_SMTH_COEF1                          0.1f
 #define VARIABLE_HP_SMTH_COEF2                          0.015f
 #define VARIABLE_HP_MAX_DELTA_FREQ                      0.4f
 
 /* Min and max cut-off frequency values (-3 dB points) */
@@ skipping 83 matching lines @@
 #define REDUCE_BITRATE_10_MS_BPS                        2200
 
 /* Maximum time before allowing a bandwidth transition */
 #define MAX_BANDWIDTH_SWITCH_DELAY_MS                   5000
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif /* SILK_TUNING_PARAMETERS_H */