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openWakeWord.AXERA

openWakeWord 语音唤醒 AXERA 推理 demo。

功能

  • 支持 AX650 和 AX630C;
  • 支持 Python 和 C++ 板端推理;

目录结构

OpenWakeWord.AXERA/
├── models/
│   ├── 650/          # AX650 axmodel
│   └── 630C/         # AX630C axmodel
├── config/           # STFT/mel 权重
├── audio/openwakeword/
├── scripts/          # Python 推理代码
├── cpp/              # C++ 源码、编译和运行脚本
└── README.md

Python

创建虚拟环境
conda create -n OpenWakeWord python=3.10
conda activate OpenWakeWord

安装 [pyaxengine](https://github.com/AXERA-TECH/pyaxengine/releases/latest):
pip install axengine-x.x.x-py3-none-any.whl

pip install -r requirements.txt

AX650:

python scripts/openwakeword_ax650.py

AX630C:

python scripts/openwakeword_ax630c.py

自定义音频目录、阈值和输出文件:

python scripts/openwakeword_ax630c.py \
  --audio-dir audio/openwakeword \
  --threshold 0.5 \
  --output outputs/openwakeword_ax630c.json

C++

编译环境

AX650 和 AX630C 共用 Arm GNU 9.2 AArch64 交叉编译器:

https://developer.arm.com/-/media/Files/downloads/gnu-a/9.2-2019.12/binrel/gcc-arm-9.2-2019.12-x86_64-aarch64-none-linux-gnu.tar.xz

mkdir -p cpp/toolchains
wget -P cpp/toolchains \
  https://developer.arm.com/-/media/Files/downloads/gnu-a/9.2-2019.12/binrel/gcc-arm-9.2-2019.12-x86_64-aarch64-none-linux-gnu.tar.xz
tar -xf cpp/toolchains/gcc-arm-9.2-2019.12-x86_64-aarch64-none-linux-gnu.tar.xz \
  -C cpp/toolchains

BSP SDK 下载地址:

下载并整理到 cpp/toolchains/

bash cpp/download_bsp.sh all

交叉编译

export TOOLCHAIN_ROOT="cpp/toolchains/gcc-arm-9.2-2019.12-x86_64-aarch64-none-linux-gnu"

bash cpp/build_ax650.sh
bash cpp/build_ax630c.sh

编译结果:

cpp/bin/openwakeword_ax650
cpp/bin/openwakeword_ax630c

板端批量测试

AX650:

THRESHOLD=0.5 bash cpp/run_batch_openwakeword_ax650.sh

AX630C:

THRESHOLD=0.5 bash cpp/run_batch_openwakeword_ax630c.sh

结果分别写入 outputs/cpp_ax650_batch/outputs/cpp_ax630c_batch/

详细 C++ 说明见 cpp/README.md

参考

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