基于 Windows 10，Visual Studio 2022，FFmpeg 7.1.1 开发的音频录制工具。
Supports audio recording on Windows 10, developed with Visual Studio 2022 and FFmpeg 7.1.1.
- 支持麦克风录制和立体声录制。
Supports recording from the microphone and system audio. - 视频录制仅支持桌面录制，指定窗口可以自行修改。
Video recording is limited to desktop capture; window-specific capture can be modified manually.
不同电脑需要修改麦克风配置，在 audioRecord.cpp 文件中：
Different computers may require different microphone configurations, which can be adjusted in audioRecord.cpp:
ret = avformat_open_input(&ifmtCtx, "audio=Microphone (Conexant ISST Audio)", ifmt, &opt);