43   for (size_t channel = 0; channel < num_channels_; ++channel) {  in Reset()  local
44     channel_parameters_[channel].Reset();  in Reset()
132     size_t channel,  in GenerateBackgroundNoise()  argument
144     memcpy(noise_samples - kNoiseLpcOrder, FilterState(channel),  in GenerateBackgroundNoise()
148     if (ScaleShift(channel) > 1) {  in GenerateBackgroundNoise()
149       dc_offset = 1 << (ScaleShift(channel) - 1);  in GenerateBackgroundNoise()
154                                     Scale(channel), dc_offset,  in GenerateBackgroundNoise()
155                                     ScaleShift(channel), num_noise_samples);  in GenerateBackgroundNoise()
158                               Filter(channel), kNoiseLpcOrder + 1,  in GenerateBackgroundNoise()
162         channel,  in GenerateBackgroundNoise()
166     int16_t bgn_mute_factor = MuteFactor(channel);  in GenerateBackgroundNoise()
173     SetMuteFactor(channel, bgn_mute_factor);  in GenerateBackgroundNoise()
180 int32_t BackgroundNoise::Energy(size_t channel) const {  in Energy()
181   assert(channel < num_channels_);  in Energy()
182   return channel_parameters_[channel].energy;  in Energy()
185 void BackgroundNoise::SetMuteFactor(size_t channel, int16_t value) {  in SetMuteFactor()  argument
186   assert(channel < num_channels_);  in SetMuteFactor()
187   channel_parameters_[channel].mute_factor = value;  in SetMuteFactor()
190 int16_t BackgroundNoise::MuteFactor(size_t channel) const {  in MuteFactor()
191   assert(channel < num_channels_);  in MuteFactor()
192   return channel_parameters_[channel].mute_factor;  in MuteFactor()
195 const int16_t* BackgroundNoise::Filter(size_t channel) const {  in Filter()
196   assert(channel < num_channels_);  in Filter()
197   return channel_parameters_[channel].filter;  in Filter()
200 const int16_t* BackgroundNoise::FilterState(size_t channel) const {  in FilterState()
201   assert(channel < num_channels_);  in FilterState()
202   return channel_parameters_[channel].filter_state;  in FilterState()
205 void BackgroundNoise::SetFilterState(size_t channel,  in SetFilterState()  argument
207   assert(channel < num_channels_);  in SetFilterState()
209   memcpy(channel_parameters_[channel].filter_state, input.data(),  in SetFilterState()
213 int16_t BackgroundNoise::Scale(size_t channel) const {  in Scale()
214   assert(channel < num_channels_);  in Scale()
215   return channel_parameters_[channel].scale;  in Scale()
217 int16_t BackgroundNoise::ScaleShift(size_t channel) const {  in ScaleShift()
218   assert(channel < num_channels_);  in ScaleShift()
219   return channel_parameters_[channel].scale_shift;  in ScaleShift()
236 void BackgroundNoise::IncrementEnergyThreshold(size_t channel,  in IncrementEnergyThreshold()  argument
243   assert(channel < num_channels_);  in IncrementEnergyThreshold()
244   ChannelParameters& parameters = channel_parameters_[channel];  in IncrementEnergyThreshold()
276 void BackgroundNoise::SaveParameters(size_t channel,  in SaveParameters()  argument
281   assert(channel < num_channels_);  in SaveParameters()
282   ChannelParameters& parameters = channel_parameters_[channel];  in SaveParameters()