| /* |
| * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| |
| /* |
| * This header file includes the macros used in VAD. |
| */ |
| |
| #ifndef WEBRTC_VAD_DEFINES_H_ |
| #define WEBRTC_VAD_DEFINES_H_ |
| |
| #define NUM_CHANNELS 6 // Eight frequency bands |
| #define NUM_MODELS 2 // Number of Gaussian models |
| #define NUM_TABLE_VALUES NUM_CHANNELS * NUM_MODELS |
| |
| #define MIN_ENERGY 10 |
| #define ALPHA1 6553 // 0.2 in Q15 |
| #define ALPHA2 32439 // 0.99 in Q15 |
| // Mode 0, Quality thresholds - Different thresholds for the different frame lengths |
| #define INDIVIDUAL_10MS_Q 24 |
| #define INDIVIDUAL_20MS_Q 21 // (log10(2)*66)<<2 ~=16 |
| #define INDIVIDUAL_30MS_Q 24 |
| |
| #define TOTAL_10MS_Q 57 |
| #define TOTAL_20MS_Q 48 |
| #define TOTAL_30MS_Q 57 |
| |
| #define OHMAX1_10MS_Q 8 // Max Overhang 1 |
| #define OHMAX2_10MS_Q 14 // Max Overhang 2 |
| #define OHMAX1_20MS_Q 4 // Max Overhang 1 |
| #define OHMAX2_20MS_Q 7 // Max Overhang 2 |
| #define OHMAX1_30MS_Q 3 |
| #define OHMAX2_30MS_Q 5 |
| |
| // Mode 1, Low bitrate thresholds - Different thresholds for the different frame lengths |
| #define INDIVIDUAL_10MS_LBR 37 |
| #define INDIVIDUAL_20MS_LBR 32 |
| #define INDIVIDUAL_30MS_LBR 37 |
| |
| #define TOTAL_10MS_LBR 100 |
| #define TOTAL_20MS_LBR 80 |
| #define TOTAL_30MS_LBR 100 |
| |
| #define OHMAX1_10MS_LBR 8 // Max Overhang 1 |
| #define OHMAX2_10MS_LBR 14 // Max Overhang 2 |
| #define OHMAX1_20MS_LBR 4 |
| #define OHMAX2_20MS_LBR 7 |
| |
| #define OHMAX1_30MS_LBR 3 |
| #define OHMAX2_30MS_LBR 5 |
| |
| // Mode 2, Very aggressive thresholds - Different thresholds for the different frame lengths |
| #define INDIVIDUAL_10MS_AGG 82 |
| #define INDIVIDUAL_20MS_AGG 78 |
| #define INDIVIDUAL_30MS_AGG 82 |
| |
| #define TOTAL_10MS_AGG 285 //580 |
| #define TOTAL_20MS_AGG 260 |
| #define TOTAL_30MS_AGG 285 |
| |
| #define OHMAX1_10MS_AGG 6 // Max Overhang 1 |
| #define OHMAX2_10MS_AGG 9 // Max Overhang 2 |
| #define OHMAX1_20MS_AGG 3 |
| #define OHMAX2_20MS_AGG 5 |
| |
| #define OHMAX1_30MS_AGG 2 |
| #define OHMAX2_30MS_AGG 3 |
| |
| // Mode 3, Super aggressive thresholds - Different thresholds for the different frame lengths |
| #define INDIVIDUAL_10MS_VAG 94 |
| #define INDIVIDUAL_20MS_VAG 94 |
| #define INDIVIDUAL_30MS_VAG 94 |
| |
| #define TOTAL_10MS_VAG 1100 //1700 |
| #define TOTAL_20MS_VAG 1050 |
| #define TOTAL_30MS_VAG 1100 |
| |
| #define OHMAX1_10MS_VAG 6 // Max Overhang 1 |
| #define OHMAX2_10MS_VAG 9 // Max Overhang 2 |
| #define OHMAX1_20MS_VAG 3 |
| #define OHMAX2_20MS_VAG 5 |
| |
| #define OHMAX1_30MS_VAG 2 |
| #define OHMAX2_30MS_VAG 3 |
| |
| #endif // WEBRTC_VAD_DEFINES_H_ |