" id="talkRtpSsrc">
                </span>
            <span class="span-row">
                 <input
                     id="testMicrphone"
                     type="checkbox"
                 /><span>测试麦克风(不会触发ws连接)</span>
            </span>
        </div>
        <div class="input">
             <span class="span-row">
                    采样率
                    <select id="talkSampleRate">
                        <option value="16000" selected>16000</option>