| | |
| | | OnlineFeature(int sample_rate, knf::FbankOptions fbank_opts, int lfr_m_, int lfr_n_, |
| | | std::vector<std::vector<float>> cmvns_); |
| | | |
| | | void extractFeats(vector<vector<float>> &vad_feats, vector<float> waves, bool input_finished); |
| | | void ExtractFeats(vector<vector<float>> &vad_feats, vector<float> waves, bool input_finished); |
| | | |
| | | |
| | | private: |
| | | void onlineFbank(vector<vector<float>> &vad_feats, vector<float> &waves); |
| | | void OnlineFbank(vector<vector<float>> &vad_feats, vector<float> &waves); |
| | | |
| | | int OnlineLfrCmvn(vector<vector<float>> &vad_feats); |
| | | |
| | | static int compute_frame_num(int sample_length, int frame_sample_length, int frame_shift_sample_length) { |
| | | static int ComputeFrameNum(int sample_length, int frame_sample_length, int frame_shift_sample_length) { |
| | | int frame_num = static_cast<int>((sample_length - frame_sample_length) / frame_shift_sample_length + 1); |
| | | |
| | | if (frame_num >= 1 && sample_length >= frame_sample_length) |
| | |
| | | return 0; |
| | | } |
| | | |
| | | void reset_cache() { |
| | | void ResetCache() { |
| | | reserve_waveforms_.clear(); |
| | | input_cache_.clear(); |
| | | lfr_splice_cache_.clear(); |