[speechx]add linear spectrogram feature extractor #1400
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6 tasks
zh794390558
reviewed
Jan 27, 2022
| // limitations under the License. | ||
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| // wrap the fbank feat of kaldi, todo (SmileGoat) | ||
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| public: | ||
| explicit FbankExtractor(const FbankOptions& opts, | ||
| share_ptr<FeatureExtractorInterface> pre_extractor); | ||
| virtual void AcceptWaveform(const kaldi::Vector<kaldi::BaseFloat>& input) = 0; |
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| class FeatureExtractorInterface { | ||
| public: | ||
| virtual void AcceptWaveform(const kaldi::Vector<kaldi::BaseFloat>& input) = 0; |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| @@ -0,0 +1,39 @@ | |||
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后面看下是否能放到 speehx/test 里，作为单侧
zh794390558
reviewed
Jan 28, 2022
zh794390558
reviewed
Feb 15, 2022
zh794390558
reviewed
Feb 18, 2022
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| void SplitFeature(kaldi::Matrix<BaseFloat> feature, | ||
| int32 chunk_size, | ||
| std::vector<kaldi::Matrix<BaseFloat>> feature_chunks) { |
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std::vector<kaldi::Matrix> *
| string utt = feature_reader.Key(); | ||
| const kaldi::Matrix<BaseFloat> feature = feature_reader.Value(); | ||
| vector<Matrix<BaseFloat>> feature_chunks; | ||
| SplitFeature(feature, chunk_size, &feature_chunks); |
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decoder.InitDecoder(); 放这里
| #include "base/basic_types.h" | ||
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| struct DecoderResult { | ||
| BaseFloat acoustic_score; |
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解码器的结果是 score=AMScore+LMScore+...
这个应该是解码器的total分数吧？
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PR types
[New features]
PR changes
Describe
add linear feature extractor