michael@0: // Copyright (c) 2013 The Chromium Authors. All rights reserved.
michael@0: //
michael@0: // Redistribution and use in source and binary forms, with or without
michael@0: // modification, are permitted provided that the following conditions are
michael@0: // met:
michael@0: //
michael@0: //    * Redistributions of source code must retain the above copyright
michael@0: // notice, this list of conditions and the following disclaimer.
michael@0: //    * Redistributions in binary form must reproduce the above
michael@0: // copyright notice, this list of conditions and the following disclaimer
michael@0: // in the documentation and/or other materials provided with the
michael@0: // distribution.
michael@0: //    * Neither the name of Google Inc. nor the names of its
michael@0: // contributors may be used to endorse or promote products derived from
michael@0: // this software without specific prior written permission.
michael@0: //
michael@0: // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0: // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0: // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0: // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
michael@0: // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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michael@0: // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
michael@0: // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
michael@0: // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0: // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
michael@0: // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0: 
michael@0: #ifndef CONTENT_BROWSER_SPEECH_ENDPOINTER_ENERGY_ENDPOINTER_PARAMS_H_
michael@0: #define CONTENT_BROWSER_SPEECH_ENDPOINTER_ENERGY_ENDPOINTER_PARAMS_H_
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: // Input parameters for the EnergyEndpointer class.
michael@0: class EnergyEndpointerParams {
michael@0:  public:
michael@0:   EnergyEndpointerParams();
michael@0: 
michael@0:   void SetDefaults();
michael@0: 
michael@0:   void operator=(const EnergyEndpointerParams& source);
michael@0: 
michael@0:   // Accessors and mutators
michael@0:   float frame_period() const { return frame_period_; }
michael@0:   void set_frame_period(float frame_period) {
michael@0:     frame_period_ = frame_period;
michael@0:   }
michael@0: 
michael@0:   float frame_duration() const { return frame_duration_; }
michael@0:   void set_frame_duration(float frame_duration) {
michael@0:     frame_duration_ = frame_duration;
michael@0:   }
michael@0: 
michael@0:   float endpoint_margin() const { return endpoint_margin_; }
michael@0:   void set_endpoint_margin(float endpoint_margin) {
michael@0:     endpoint_margin_ = endpoint_margin;
michael@0:   }
michael@0: 
michael@0:   float onset_window() const { return onset_window_; }
michael@0:   void set_onset_window(float onset_window) { onset_window_ = onset_window; }
michael@0: 
michael@0:   float speech_on_window() const { return speech_on_window_; }
michael@0:   void set_speech_on_window(float speech_on_window) {
michael@0:     speech_on_window_ = speech_on_window;
michael@0:   }
michael@0: 
michael@0:   float offset_window() const { return offset_window_; }
michael@0:   void set_offset_window(float offset_window) {
michael@0:     offset_window_ = offset_window;
michael@0:   }
michael@0: 
michael@0:   float onset_detect_dur() const { return onset_detect_dur_; }
michael@0:   void set_onset_detect_dur(float onset_detect_dur) {
michael@0:     onset_detect_dur_ = onset_detect_dur;
michael@0:   }
michael@0: 
michael@0:   float onset_confirm_dur() const { return onset_confirm_dur_; }
michael@0:   void set_onset_confirm_dur(float onset_confirm_dur) {
michael@0:     onset_confirm_dur_ = onset_confirm_dur;
michael@0:   }
michael@0: 
michael@0:   float on_maintain_dur() const { return on_maintain_dur_; }
michael@0:   void set_on_maintain_dur(float on_maintain_dur) {
michael@0:     on_maintain_dur_ = on_maintain_dur;
michael@0:   }
michael@0: 
michael@0:   float offset_confirm_dur() const { return offset_confirm_dur_; }
michael@0:   void set_offset_confirm_dur(float offset_confirm_dur) {
michael@0:     offset_confirm_dur_ = offset_confirm_dur;
michael@0:   }
michael@0: 
michael@0:   float decision_threshold() const { return decision_threshold_; }
michael@0:   void set_decision_threshold(float decision_threshold) {
michael@0:     decision_threshold_ = decision_threshold;
michael@0:   }
michael@0: 
michael@0:   float min_decision_threshold() const { return min_decision_threshold_; }
michael@0:   void set_min_decision_threshold(float min_decision_threshold) {
michael@0:     min_decision_threshold_ = min_decision_threshold;
michael@0:   }
michael@0: 
michael@0:   float fast_update_dur() const { return fast_update_dur_; }
michael@0:   void set_fast_update_dur(float fast_update_dur) {
michael@0:     fast_update_dur_ = fast_update_dur;
michael@0:   }
michael@0: 
michael@0:   float sample_rate() const { return sample_rate_; }
michael@0:   void set_sample_rate(float sample_rate) { sample_rate_ = sample_rate; }
michael@0: 
michael@0:   float min_fundamental_frequency() const { return min_fundamental_frequency_; }
michael@0:   void set_min_fundamental_frequency(float min_fundamental_frequency) {
michael@0:     min_fundamental_frequency_ = min_fundamental_frequency;
michael@0:   }
michael@0: 
michael@0:   float max_fundamental_frequency() const { return max_fundamental_frequency_; }
michael@0:   void set_max_fundamental_frequency(float max_fundamental_frequency) {
michael@0:     max_fundamental_frequency_ = max_fundamental_frequency;
michael@0:   }
michael@0: 
michael@0:   float contamination_rejection_period() const {
michael@0:     return contamination_rejection_period_;
michael@0:   }
michael@0:   void set_contamination_rejection_period(
michael@0:       float contamination_rejection_period) {
michael@0:     contamination_rejection_period_ = contamination_rejection_period;
michael@0:   }
michael@0: 
michael@0:  private:
michael@0:   float frame_period_;  // Frame period
michael@0:   float frame_duration_;  // Window size
michael@0:   float onset_window_;  // Interval scanned for onset activity
michael@0:   float speech_on_window_;  // Inverval scanned for ongoing speech
michael@0:   float offset_window_;  // Interval scanned for offset evidence
michael@0:   float offset_confirm_dur_;  // Silence duration required to confirm offset
michael@0:   float decision_threshold_;  // Initial rms detection threshold
michael@0:   float min_decision_threshold_;  // Minimum rms detection threshold
michael@0:   float fast_update_dur_;  // Period for initial estimation of levels.
michael@0:   float sample_rate_;  // Expected sample rate.
michael@0: 
michael@0:   // Time to add on either side of endpoint threshold crossings
michael@0:   float endpoint_margin_;
michael@0:   // Total dur within onset_window required to enter ONSET state
michael@0:   float onset_detect_dur_;
michael@0:   // Total on time within onset_window required to enter SPEECH_ON state
michael@0:   float onset_confirm_dur_;
michael@0:   // Minimum dur in SPEECH_ON state required to maintain ON state
michael@0:   float on_maintain_dur_;
michael@0:   // Minimum fundamental frequency for autocorrelation.
michael@0:   float min_fundamental_frequency_;
michael@0:   // Maximum fundamental frequency for autocorrelation.
michael@0:   float max_fundamental_frequency_;
michael@0:   // Period after start of user input that above threshold values are ignored.
michael@0:   // This is to reject audio feedback contamination.
michael@0:   float contamination_rejection_period_;
michael@0: };
michael@0: 
michael@0: }  //  namespace mozilla
michael@0: 
michael@0: #endif  // CONTENT_BROWSER_SPEECH_ENDPOINTER_ENERGY_ENDPOINTER_PARAMS_H_