S2T

• Add wav2vec2-zh finetune pipeline. https://github.com/PaddlePaddle/PaddleSpeech/pull/3012 https://github.com/PaddlePaddle/PaddleSpeech/pull/2916 by @zxcd
• Fix some bugs in Whisper. https://github.com/PaddlePaddle/PaddleSpeech/pull/2900 https://github.com/PaddlePaddle/PaddleSpeech/pull/2828https://github.com/PaddlePaddle/PaddleSpeech/pull/2825 by @zxcd
• Add code-switch asr tal_cs recipe. https://github.com/PaddlePaddle/PaddleSpeech/pull/2816 https://github.com/PaddlePaddle/PaddleSpeech/pull/2796 by @zxcd

T2S

• Add dygraph to static、PaddleInference、Paddle2ONNX and ONNXRuntime Infer for Cantonese TTS. https://github.com/PaddlePaddle/PaddleSpeech/pull/2990 by @JiehangXie
• Add Cantonese test examples. https://github.com/PaddlePaddle/PaddleSpeech/pull/2937 by @JiehangXie
• Add VITS inference pipeline. https://github.com/PaddlePaddle/PaddleSpeech/pull/3002 https://github.com/PaddlePaddle/PaddleSpeech/pull/2972 https://github.com/PaddlePaddle/PaddleSpeech/pull/2883 by @yt605155624
• Rearrange encoder_infer param's order. https://github.com/PaddlePaddle/PaddleSpeech/pull/2983 by @443127316
• Add male speaker and Chinese-English mix ONNXRuntime infer in CLI. https://github.com/PaddlePaddle/PaddleSpeech/pull/2945 by @lym0302
• Add Cantonese TTS example. https://github.com/PaddlePaddle/PaddleSpeech/pull/2950 https://github.com/PaddlePaddle/PaddleSpeech/pull/2927 https://github.com/PaddlePaddle/PaddleSpeech/pull/2924 https://github.com/PaddlePaddle/PaddleSpeech/pull/2907 https://github.com/PaddlePaddle/PaddleSpeech/pull/2899 by @WongLaw
• Fix PWGAN TIPC. https://github.com/PaddlePaddle/PaddleSpeech/pull/2882 by @yt605155624
• Add a case in not_erhua. https://github.com/PaddlePaddle/PaddleSpeech/pull/2863 by @QuanZ9
• Fix data prepare for PaddleSlim PTQ of TTS. https://github.com/PaddlePaddle/PaddleSpeech/pull/2862 by @yt605155624
• Avoid using variable "attn_loss" before assignment. https://github.com/PaddlePaddle/PaddleSpeech/pull/2860 by @hopingZ
• add soft link for shell in example, Add skip_copy_wave in norm stage of GANVocoders to save disk. https://github.com/PaddlePaddle/PaddleSpeech/pull/2851 by @yt605155624
• Optimize the training of VITS. https://github.com/PaddlePaddle/PaddleSpeech/pull/2843 https://github.com/PaddlePaddle/PaddleSpeech/pull/2809 https://github.com/PaddlePaddle/PaddleSpeech/pull/2791 https://github.com/PaddlePaddle/PaddleSpeech/pull/2770 by @WongLaw
• Add StarGANv2-VC model scripts and synthsize scripts. https://github.com/PaddlePaddle/PaddleSpeech/pull/2842 by @yt605155624
• Add diffusion module for training diffsinger. https://github.com/PaddlePaddle/PaddleSpeech/pull/2868 https://github.com/PaddlePaddle/PaddleSpeech/pull/2832 by @HighCWu
• Fix some Text Frontend bugs. https://github.com/PaddlePaddle/PaddleSpeech/pull/2831 by @yt605155624
• For mixed Chinese and English speech synthesis, add SSML support for Chinese. https://github.com/PaddlePaddle/PaddleSpeech/pull/2830 by @jindongyi011039
• Add mkldnn and trt config for TTS Inference. https://github.com/PaddlePaddle/PaddleSpeech/pull/2748 by @yt605155624
• Fix dygraph to static for tacotron2. https://github.com/PaddlePaddle/PaddleSpeech/pull/2426 by @yt605155624

Server

• Add static infer for multi-spk tts. https://github.com/PaddlePaddle/PaddleSpeech/pull/2779 by @lym0302

Engine

• Add wfst decoder. https://github.com/PaddlePaddle/PaddleSpeech/pull/2886 by @SmileGoat
• Add batch recognizer decode. https://github.com/PaddlePaddle/PaddleSpeech/pull/2866 by @SmileGoat
• Add nnet prob cache && make 2 thread decode work. https://github.com/PaddlePaddle/PaddleSpeech/pull/2769 by @SmileGoat
• Engine directory refactor. https://github.com/PaddlePaddle/PaddleSpeech/pull/2746 by @SmileGoat
• Fix openfst download error. https://github.com/PaddlePaddle/PaddleSpeech/pull/2742 by @SmileGoat

Audio

• Replace kaldi fbank with kaldi-native-fbank in paddleaudio. https://github.com/PaddlePaddle/PaddleSpeech/pull/2799 by @SmileGoat
• Fix load paddleaudio fail. https://github.com/PaddlePaddle/PaddleSpeech/pull/2815 by @SmileGoat
• Update paddleaudio readme. https://github.com/PaddlePaddle/PaddleSpeech/pull/2801 by @SmileGoat

Demos

• Add TTS ARM Linux C++ Demo. https://github.com/PaddlePaddle/PaddleSpeech/pull/2991 by @SwimmingTiger
• Add Cantonese TTS in CLI. https://github.com/PaddlePaddle/PaddleSpeech/pull/2977 by @WongLaw
• Add ONNXRuntime infer for Cantonese TTS in CLI. https://github.com/PaddlePaddle/PaddleSpeech/pull/2990 by @JiehangXie

Docs

• Add u2pp_wenetspeech_static_quant to released_model.md. https://github.com/PaddlePaddle/PaddleSpeech/pull/2973 @zxcd
• Remove redundant dependencies and Fix some bugs in setup.py. https://github.com/PaddlePaddle/PaddleSpeech/pull/2970 https://github.com/PaddlePaddle/PaddleSpeech/pull/2871 https://github.com/PaddlePaddle/PaddleSpeech/pull/2867 https://github.com/PaddlePaddle/PaddleSpeech/pull/2853 https://github.com/PaddlePaddle/PaddleSpeech/pull/2771 https://github.com/PaddlePaddle/PaddleSpeech/pull/2767 https://github.com/PaddlePaddle/PaddleSpeech/pull/2764 by @yt605155624

Others

• Remove fluid API in ASR. https://github.com/PaddlePaddle/PaddleSpeech/pull/2944 https://github.com/PaddlePaddle/PaddleSpeech/pull/2859 https://github.com/PaddlePaddle/PaddleSpeech/pull/2852 by @zxcd
• Add python simple adadelta optimizer. https://github.com/PaddlePaddle/PaddleSpeech/pull/2925 by @zxcd
• Add encoding=utf-8 for text. https://github.com/PaddlePaddle/PaddleSpeech/pull/2896 by @zxcd https://github.com/PaddlePaddle/PaddleSpeech/pull/2865 by @yt605155624
• Fix Tensor.numpy()[0] to float(Tensor) to adapt 0D. https://github.com/PaddlePaddle/PaddleSpeech/pull/2884 by @zhouwei25
• Fix libsndfile.so not found in ubuntu18-cpu/Dockerfile. https://github.com/PaddlePaddle/PaddleSpeech/pull/2763 by @linkec
• Fix AttributeError "module 'distutils' has no attribute 'ccompiler'" in setup.py in ctc_decoders. https://github.com/PaddlePaddle/PaddleSpeech/pull/2745 by @GreatV

New Contributors

• @GreatV made their first contribution in https://github.com/PaddlePaddle/PaddleSpeech/pull/2745
• @linkec made their first contribution in https://github.com/PaddlePaddle/PaddleSpeech/pull/2763
• @cxumol made their first contribution in https://github.com/PaddlePaddle/PaddleSpeech/pull/2828
• @jindongyi011039 made their first contribution in https://github.com/PaddlePaddle/PaddleSpeech/pull/2830
• @QuanZ9 made their first contribution in https://github.com/PaddlePaddle/PaddleSpeech/pull/2863
• @hopingZ made their first contribution in https://github.com/PaddlePaddle/PaddleSpeech/pull/2860
• @zhouwei25 made their first contribution in https://github.com/PaddlePaddle/PaddleSpeech/pull/2884
• @EscaticZheng made their first contribution in https://github.com/PaddlePaddle/PaddleSpeech/pull/2915
• @chinobing made their first contribution in https://github.com/PaddlePaddle/PaddleSpeech/pull/2922
• @lance6716 made their first contribution in https://github.com/PaddlePaddle/PaddleSpeech/pull/2924
• @443127316 made their first contribution in https://github.com/PaddlePaddle/PaddleSpeech/pull/2983

Full Changelog: https://github.com/PaddlePaddle/PaddleSpeech/compare/r1.3.0...r1.4.0