J-音频

<p>与VMS对接使用G711_ULAW <img src="https://www.showdoc.cc/server/api/common/visitfile/sign/e760fbdb95b836ad5dabfb4d8d581cfe?showdoc=.jpg" alt="" /> 音量 <img src="https://www.showdoc.cc/server/api/common/visitfile/sign/77a3c57aed64ed7014682632784b6270?showdoc=.jpg" alt="" /></p>