SpeechX Architecture

Layout of Source File

The layout structure is as follows：

speechx/
├── CMakeLists.txt
├── docker    # dockerfiles
├── examples  # asr, tts examples
└── speechx   # lib .a/.so
    ├── CMakeLists.txt
    ├── decoder   # decoder
    │   └── CMakeLists.txt
    ├── frontend  # feature
    │   ├── CMakeLists.txt
    │   ├── audio
    │   │   └── CMakeLists.txt
    │   └── text
    │       └── CMakeLists.txt
    ├── kaldi    # kaldi libs
    ├── model    # inference engine
    │   └── CMakeLists.txt
    ├── protocol # http/websoket/grpc
    │   └── CMakeLists.txt
    ├── third_party
    │   └── CMakeLists.txt
    └── utils
        └── CMakeLists.txt

12 directories, 10 files

Common Modules

• gflag，glog，gtest：openfst 使用的是 gflag/glog，替换KALDI_WARN等。
• utils: absl-cpp
• config：使用 kaldi config
• protobuf: grpc用
• tcmalloc
• mempool
• threadpool: https://github.com/progschj/ThreadPool
• queue
• decode task