bowen liu
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mbed-os-example-blinky
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SpeexSubmode Struct Reference
Description of a Speex sub-mode (wither narrowband or wideband. More...
#include <modes.h>
Data Fields | |
| int | lbr_pitch |
| Set to -1 for "normal" modes, otherwise encode pitch using a global pitch and allowing a +- lbr_pitch variation (for low not-rates) | |
| int | forced_pitch_gain |
| Use the same (forced) pitch gain for all sub-frames. | |
| int | have_subframe_gain |
| Number of bits to use as sub-frame innovation gain. | |
| int | double_codebook |
| Apply innovation quantization twice for higher quality (and higher bit-rate) | |
| lsp_quant_func | lsp_quant |
| LSP quantization function. | |
| lsp_unquant_func | lsp_unquant |
| LSP unquantization function. | |
| ltp_quant_func | ltp_quant |
| Long-term predictor (pitch) quantizer. | |
| ltp_unquant_func | ltp_unquant |
| Long-term predictor (pitch) un-quantizer. | |
| const void * | ltp_params |
| Pitch parameters (options) | |
| innovation_quant_func | innovation_quant |
| Innovation quantization. | |
| innovation_unquant_func | innovation_unquant |
| Innovation un-quantization. | |
| const void * | innovation_params |
| Innovation quantization parameters. | |
| spx_word16_t | comb_gain |
| Gain of enhancer comb filter. | |
| int | bits_per_frame |
| Number of bits per frame after encoding. | |
Detailed Description
Description of a Speex sub-mode (wither narrowband or wideband.
Definition at line 92 of file modes.h.
Field Documentation
| int bits_per_frame |
| int double_codebook |
| const void* innovation_params |
| int lbr_pitch |
| const void* ltp_params |
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