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2016年10月16日 (日) 12:17的最后版本

Task To Do

Speech Recognition

CTC expanded

• Voice activity detection

• LSTM+CTC
• TDNN+CTC

• BLANK as silence, others as speech

• Keyword detection

• Character/Word-level, external key-word fst
• G-fst need to be signal word?

• Emotion recognition

• LSTM-CTC

Network architecture test

• chain model:

• tdnn + simple-lstm

• only keep forget gate

• ctc+mpe

• similar to chain training

Spiral Joint Training of SPEECH and SPEAKER

• ASR & SID parallel training and benefit mutual

Small data-set and Big model

• Investigate the efficiency of pre-training on small/big-model using dark-knowledge

Low-resource language improvement

• SID

• How to improve low-resource speaker

End-to-End speech recognition

• Discriminative-Learning code implementation

• Zhiyuan Tang

Multi-task

• Fusion of speech-recognition and speech-rate

• Xiangyu Zeng

• Self-informed neural network structure learning

• Mengyuan Zhao

Integrate the class information to HCLG fst for speech recognition

• zhiyuan

Distant speech recognition

• RNN-DAE: echo or reverberation

• Xuewei Zhang/Zhiyuan Tang/Mengyuan Zhao/Zhiyong Zhang

• Reverberation

• Mutli-microphones
• (Lasso),Xuewei Zhang

Voice conversation

• hold

Sparse DNN

• Zhiyuan Tang

Correlation based SENONE cluster

NN Multi-GPU parallel traing

• Multi-GPU using data parallelization

• Sheng Su

• nnet3 mpe

• Xuewei Zhang

Audio Embedding

• Ke Ning

RNN training accelerating

Data selection

• Zhiyong Zhang
• Sub-modular data selection
• Objective-function loss training self-adaptation

Decoder

• Confidence output for task-required

Speaker Verification

binary code

• Lantian Li

RNN-ivector

• Lantian Li

DNN clustering

• Lantian Li

Task DONE

Multi-Mode features based VAD

• Shi Yin

DNN based Language identification and Speaker identification

• Xuewei Zhang/Zhiyuan Tang

Neural network visulization

• Mian Wang,DONE

Dark knowledge

• Mengyuan Zhao, Xiangyu Zeng, Zhiyong Zhang, Chao Liu

Normal RNN speech recognition

• Mengyuan Zhao

Monmentum-like Hessien-Free acceleration

• Nestrov/Adagrad/AdaDelta/AdaM
• Zhiyong Zhang/Xiangyu Zeng

Activation value normalization through time --Batch Normalization

• Zhiyong Zhang

Mix-training Balance decision tree

• Zhiyong Zhang

20-h Chinese data-set release

• Xuewei Zhang

Unbound activation function(Rectifier/Maxout/Pnorm) go-through searching method

• nne3 test --Xuewei Zhang

Technical Report To Write

1, DNN-DAE based noise cancellation -- Xiangyu Zeng / Mengyuan Zhao / Zhiyong Zhang  --DONE
2, Speech Rate DNN speech recognition --Shi Yin/Xiangyu Zeng --DONE
3, CNN+fbank feature combination --Mian Wang /Yiye Lin /Mengyuan Zhao /Shi Yin
4, Uyghur low-resource acoustic model enhancement -- Shi Yin / Mengyuan Zhao / Zhiyong Zhang --DONE
5, Uyghur 20h database release --Kaer /Shi Yin --DONE
6，Dark-Knowledge Transfer
   *: Xiangyu Zeng/ Mengyuan Zhao / Zhiyong Zhang

Paper to Write

Patent done

• A method of new word enhancement for speech recognition --Yue Zhang

Project

• Xiaomi TV

• Mengyuan Zhao/Zhiyong Zhang
• TAG-lm & Domain-specific general lm

• Chinese-English mix-training