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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:
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:
| 平台 | BSP SDK |
|---|---|
| AX650 | https://github.com/ZHEQIUSHUI/assets/releases/download/ax_3.6.2/msp_50_3.10.2.zip |
| AX630C | https://github.com/ZHEQIUSHUI/assets/releases/download/ax_3.6.2/msp_20e_3.0.0.zip |
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/ 和 outputs/cpp_ax630c_batch/。
详细 C++ 说明见 cpp/README.md。
参考
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