| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COBALT_SPEECH_ENDPOINTER_ENERGY_ENDPOINTER_PARAMS_H_ |
| #define COBALT_SPEECH_ENDPOINTER_ENERGY_ENDPOINTER_PARAMS_H_ |
| |
| namespace cobalt { |
| namespace speech { |
| |
| // Input parameters for the EnergyEndpointer class. |
| class EnergyEndpointerParams { |
| public: |
| EnergyEndpointerParams(); |
| |
| void SetDefaults(); |
| |
| void operator=(const EnergyEndpointerParams& source); |
| |
| // Accessors and mutators |
| float frame_period() const { return frame_period_; } |
| void set_frame_period(float frame_period) { |
| frame_period_ = frame_period; |
| } |
| |
| float frame_duration() const { return frame_duration_; } |
| void set_frame_duration(float frame_duration) { |
| frame_duration_ = frame_duration; |
| } |
| |
| float endpoint_margin() const { return endpoint_margin_; } |
| void set_endpoint_margin(float endpoint_margin) { |
| endpoint_margin_ = endpoint_margin; |
| } |
| |
| float onset_window() const { return onset_window_; } |
| void set_onset_window(float onset_window) { onset_window_ = onset_window; } |
| |
| float speech_on_window() const { return speech_on_window_; } |
| void set_speech_on_window(float speech_on_window) { |
| speech_on_window_ = speech_on_window; |
| } |
| |
| float offset_window() const { return offset_window_; } |
| void set_offset_window(float offset_window) { |
| offset_window_ = offset_window; |
| } |
| |
| float onset_detect_dur() const { return onset_detect_dur_; } |
| void set_onset_detect_dur(float onset_detect_dur) { |
| onset_detect_dur_ = onset_detect_dur; |
| } |
| |
| float onset_confirm_dur() const { return onset_confirm_dur_; } |
| void set_onset_confirm_dur(float onset_confirm_dur) { |
| onset_confirm_dur_ = onset_confirm_dur; |
| } |
| |
| float on_maintain_dur() const { return on_maintain_dur_; } |
| void set_on_maintain_dur(float on_maintain_dur) { |
| on_maintain_dur_ = on_maintain_dur; |
| } |
| |
| float offset_confirm_dur() const { return offset_confirm_dur_; } |
| void set_offset_confirm_dur(float offset_confirm_dur) { |
| offset_confirm_dur_ = offset_confirm_dur; |
| } |
| |
| float decision_threshold() const { return decision_threshold_; } |
| void set_decision_threshold(float decision_threshold) { |
| decision_threshold_ = decision_threshold; |
| } |
| |
| float min_decision_threshold() const { return min_decision_threshold_; } |
| void set_min_decision_threshold(float min_decision_threshold) { |
| min_decision_threshold_ = min_decision_threshold; |
| } |
| |
| float fast_update_dur() const { return fast_update_dur_; } |
| void set_fast_update_dur(float fast_update_dur) { |
| fast_update_dur_ = fast_update_dur; |
| } |
| |
| float sample_rate() const { return sample_rate_; } |
| void set_sample_rate(float sample_rate) { sample_rate_ = sample_rate; } |
| |
| float min_fundamental_frequency() const { return min_fundamental_frequency_; } |
| void set_min_fundamental_frequency(float min_fundamental_frequency) { |
| min_fundamental_frequency_ = min_fundamental_frequency; |
| } |
| |
| float max_fundamental_frequency() const { return max_fundamental_frequency_; } |
| void set_max_fundamental_frequency(float max_fundamental_frequency) { |
| max_fundamental_frequency_ = max_fundamental_frequency; |
| } |
| |
| float contamination_rejection_period() const { |
| return contamination_rejection_period_; |
| } |
| void set_contamination_rejection_period( |
| float contamination_rejection_period) { |
| contamination_rejection_period_ = contamination_rejection_period; |
| } |
| |
| private: |
| float frame_period_; // Frame period |
| float frame_duration_; // Window size |
| float onset_window_; // Interval scanned for onset activity |
| float speech_on_window_; // Inverval scanned for ongoing speech |
| float offset_window_; // Interval scanned for offset evidence |
| float offset_confirm_dur_; // Silence duration required to confirm offset |
| float decision_threshold_; // Initial rms detection threshold |
| float min_decision_threshold_; // Minimum rms detection threshold |
| float fast_update_dur_; // Period for initial estimation of levels. |
| float sample_rate_; // Expected sample rate. |
| |
| // Time to add on either side of endpoint threshold crossings |
| float endpoint_margin_; |
| // Total dur within onset_window required to enter ONSET state |
| float onset_detect_dur_; |
| // Total on time within onset_window required to enter SPEECH_ON state |
| float onset_confirm_dur_; |
| // Minimum dur in SPEECH_ON state required to maintain ON state |
| float on_maintain_dur_; |
| // Minimum fundamental frequency for autocorrelation. |
| float min_fundamental_frequency_; |
| // Maximum fundamental frequency for autocorrelation. |
| float max_fundamental_frequency_; |
| // Period after start of user input that above threshold values are ignored. |
| // This is to reject audio feedback contamination. |
| float contamination_rejection_period_; |
| }; |
| |
| } // namespace speech |
| } // namespace cobalt |
| |
| #endif // COBALT_SPEECH_ENDPOINTER_ENERGY_ENDPOINTER_PARAMS_H_ |