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Diffstat (limited to 'webrtc/modules/audio_processing/vad/voice_activity_detector.h')
-rw-r--r-- | webrtc/modules/audio_processing/vad/voice_activity_detector.h | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/webrtc/modules/audio_processing/vad/voice_activity_detector.h b/webrtc/modules/audio_processing/vad/voice_activity_detector.h deleted file mode 100644 index aedd6ed324..0000000000 --- a/webrtc/modules/audio_processing/vad/voice_activity_detector.h +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Copyright (c) 2015 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. - */ - -#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_VAD_VOICE_ACTIVITY_DETECTOR_H_ -#define WEBRTC_MODULES_AUDIO_PROCESSING_VAD_VOICE_ACTIVITY_DETECTOR_H_ - -#include <vector> - -#include "webrtc/base/scoped_ptr.h" -#include "webrtc/common_audio/resampler/include/resampler.h" -#include "webrtc/modules/audio_processing/vad/vad_audio_proc.h" -#include "webrtc/modules/audio_processing/vad/common.h" -#include "webrtc/modules/audio_processing/vad/pitch_based_vad.h" -#include "webrtc/modules/audio_processing/vad/standalone_vad.h" - -namespace webrtc { - -// A Voice Activity Detector (VAD) that combines the voice probability from the -// StandaloneVad and PitchBasedVad to get a more robust estimation. -class VoiceActivityDetector { - public: - VoiceActivityDetector(); - - // Processes each audio chunk and estimates the voice probability. The maximum - // supported sample rate is 32kHz. - // TODO(aluebs): Change |length| to size_t. - void ProcessChunk(const int16_t* audio, int length, int sample_rate_hz); - - // Returns a vector of voice probabilities for each chunk. It can be empty for - // some chunks, but it catches up afterwards returning multiple values at - // once. - const std::vector<double>& chunkwise_voice_probabilities() const { - return chunkwise_voice_probabilities_; - } - - // Returns a vector of RMS values for each chunk. It has the same length as - // chunkwise_voice_probabilities(). - const std::vector<double>& chunkwise_rms() const { return chunkwise_rms_; } - - // Returns the last voice probability, regardless of the internal - // implementation, although it has a few chunks of delay. - float last_voice_probability() const { return last_voice_probability_; } - - private: - // TODO(aluebs): Change these to float. - std::vector<double> chunkwise_voice_probabilities_; - std::vector<double> chunkwise_rms_; - - float last_voice_probability_; - - Resampler resampler_; - VadAudioProc audio_processing_; - - rtc::scoped_ptr<StandaloneVad> standalone_vad_; - PitchBasedVad pitch_based_vad_; - - int16_t resampled_[kLength10Ms]; - AudioFeatures features_; -}; - -} // namespace webrtc - -#endif // WEBRTC_MODULES_AUDIO_PROCESSING_VAD_VOICE_ACTIVITY_DETECTOR_H_ |