Features

Dataset

• Aishell

• Librispeech

• THCHS30

• TIMIT

Speech Recognition

• Non-Streaming

  • Baidu's DeepSpeech2

  • Transformer

  • Conformer

• Streaming

  • Baidu's DeepSpeech2

  • U2

Language Model

• Ngram

Decoder

• ctc greedy

• ctc prefix beam search

• greedy

• beam search

• attention rescore

Deployment

• Paddle Inference

Aligment

• MFA

• CTC Alignment

Speech Frontend

• Audio

  • Auto Gain

• Feature

  • kaldi fbank

  • kaldi mfcc

  • linear

  • delta detla

Speech Augmentation

• Audio

  • Volume Perturbation

  • Speed Perturbation

  • Shifting Perturbation

  • Online Bayesian normalization

  • Noise Perturbation

  • Impulse Response

• Spectrum

  • SpecAugment

  • Adaptive SpecAugment

Tokenizer

• Chinese/English Character

• English Word

• Sentence Piece

Word Segmentation

• mmseg

Grapheme To Phoneme

• syllable

• phoneme