PaddleSpeech/paddlespeech/s2t/decoders

Decoders

we borrow a lot of code from Espnet Apache 2.0 (http://www.apache.org/licenses/LICENSE-2.0)

Reference

CTC Prefix Beam Search

• Sequence Modeling With CTC
• First-Pass Large Vocabulary Continuous Speech Recognition using Bi-Directional Recurrent DNNs

CTC Prefix Score & Join CTC/ATT One-passing Decoding

• Hybrid CTC/Attention Architecture for End-to-End Speech Recognition
• Vectorized Beam Search for CTC-Attention-based Speech Recognition

Streaming Join CTC/ATT Beam Search

• STREAMING TRANSFORMER ASR WITH BLOCKWISE SYNCHRONOUS BEAM SEARCH