anger0925 发表于 2021-8-9 18:30

【Silicon Labs 开发套件评测】+PDM立体声麦克风SPK0641HT4H-1

<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:Calibri">SPK064 1HT4H-1<font face="宋体">是一种微型、高性能、低功耗</font></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><font face="宋体">的</font></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><font face="宋体">数字麦克风</font></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><font face="宋体">。具有单位</font><font face="Calibri">PDM</font><font face="宋体">输出，使用</font><font face="Calibri">Knowles</font><font face="宋体">的高性能</font><font face="Calibri">SiSonicTM MEMS</font><font face="宋体">技术，</font><font face="Calibri">SPK0641HT4H-1</font><font face="宋体">由一个声学传感器、一个低噪声输入缓冲器和一个</font><font face="Calibri">sigma-delta</font><font face="宋体">调制器组成。</font></span></span></span></span></p>

<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><font face="宋体">硬件接口</font></span></span></span></span></p>

<p style="text-indent:21.0000pt; text-align:justify"> &nbsp;</p>

<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><font face="宋体">使能开关</font></span></span></span></span></p>

<p style="text-indent:21.0000pt; text-align:justify"> &nbsp;</p>

<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><font face="宋体">与处理器接口</font></span></span></span></span></p>

<p style="text-indent:21.0000pt; text-align:justify"> &nbsp;</p>

<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><font face="宋体">软件接口</font></span></span></span></span></p>

<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><font face="宋体">使能开关开启</font></span></span></span></span></p>

<p style="text-indent:21.0000pt; text-align:justify"> &nbsp;</p>

<p style="text-indent:21.0000pt; text-align:justify"> &nbsp;</p>

<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><font face="宋体">安装</font><font face="Calibri">PDM MIC</font><font face="宋体">驱动</font></span></span></span></span></p>

<p style="text-indent:21.0000pt; text-align:justify"> &nbsp;</p>

<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><font face="宋体">点击</font><font face="Calibri">install</font></span></span></span></span></p>

<p style="text-indent:21.0000pt; text-align:justify"> &nbsp;</p>

<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><font face="宋体">添加任务函数</font></span></span></span></span></p>

<p style="text-indent:21.0000pt; text-align:justify"> &nbsp;</p>

<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><font face="宋体">通过获取环境声音信息，计算声音等级。</font></span></span></span></span></p>

<p style="text-indent:21.0000pt; text-align:justify"> &nbsp;</p>

<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><font face="宋体">还是很安静的。</font></span></span></span></span></p>

<p style="text-indent:21.0000pt; text-align:justify"> &nbsp;</p>

<p style="text-indent:21.0000pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><font face="宋体">无人机飞过时候达到</font><font face="Calibri">80</font><font face="宋体">，声音比较大。明显的感到是噪音。</font></span></span></span></span></p>

<p class="p" style="margin-top:17px; margin-bottom:17px; text-indent:0.0000pt; padding:0pt 0pt 0pt 0pt ; text-align:left"><span style="font-size:12pt"><span style="background:#ffffff"><span style="21.0000pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="background:#ffffff"><span style="font-family:微软雅黑"><span style="color:#333333"><span style="letter-spacing:0.0000pt"><span style="font-style:normal"><font face="微软雅黑">按普通人的听觉：</font></span></span></span></span></span></span></span></span></span></span></p>

<p class="p" style="margin-top:17px; margin-bottom:17px; text-indent:0.0000pt; padding:0pt 0pt 0pt 0pt ; text-align:left"><span style="font-size:12pt"><span style="background:#ffffff"><span style="21.0000pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="background:#ffffff"><span style="font-family:微软雅黑"><span style="color:#333333"><span style="letter-spacing:0.0000pt"><span style="font-style:normal"><font face="微软雅黑">0 －2 0 分贝 很静、几乎感觉不到</font></span></span></span></span></span></span></span></span></span></span></p>

<p class="p" style="margin-top:17px; margin-bottom:17px; text-indent:0.0000pt; padding:0pt 0pt 0pt 0pt ; text-align:left"><span style="font-size:12pt"><span style="background:#ffffff"><span style="21.0000pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="background:#ffffff"><span style="font-family:微软雅黑"><span style="color:#333333"><span style="letter-spacing:0.0000pt"><span style="font-style:normal"><font face="微软雅黑">2 0 －4 0 分贝 安静、犹如轻声语</font></span></span></span></span></span></span></span></span></span></span></p>

<p class="p" style="margin-top:17px; margin-bottom:17px; text-indent:0.0000pt; padding:0pt 0pt 0pt 0pt ; text-align:left"><span style="font-size:12pt"><span style="background:#ffffff"><span style="21.0000pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="background:#ffffff"><span style="font-family:微软雅黑"><span style="color:#333333"><span style="letter-spacing:0.0000pt"><span style="font-style:normal"><font face="微软雅黑">4 0 －6 0 分贝 一般普通室内谈话</font></span></span></span></span></span></span></span></span></span></span></p>

<p class="p" style="margin-top:17px; margin-bottom:17px; text-indent:0.0000pt; padding:0pt 0pt 0pt 0pt ; text-align:left"><span style="font-size:12pt"><span style="background:#ffffff"><span style="21.0000pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="background:#ffffff"><span style="font-family:微软雅黑"><span style="color:#333333"><span style="letter-spacing:0.0000pt"><span style="font-style:normal"><font face="微软雅黑">6 0 －7 0 分贝 吵闹、有损神经。</font></span></span></span></span></span></span></span></span></span></span></p>

<p class="p" style="margin-top:17px; margin-bottom:17px; text-indent:0.0000pt; padding:0pt 0pt 0pt 0pt ; text-align:left"><span style="font-size:12pt"><span style="background:#ffffff"><span style="21.0000pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="background:#ffffff"><span style="font-family:微软雅黑"><span style="color:#333333"><span style="letter-spacing:0.0000pt"><span style="font-style:normal"><font face="微软雅黑">7 0 －9 0 分贝 很吵、神经细胞受到破坏。</font></span></span></span></span></span></span></span></span></span></span></p>

<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="background:#ffffff"><span style="font-family:微软雅黑"><span style="color:#333333"><span style="letter-spacing:0.0000pt"><span style="font-style:normal"><font face="微软雅黑">9 0 －1 0 0 分贝 吵闹加剧、听力受损。</font></span></span></span></span></span></span></span></span></p>

dql2016 发表于 2021-8-9 19:04

<p>学习了</p>

soso 发表于 2021-8-10 13:59

<p>好玩：）</p>
页: [1]
查看完整版本: 【Silicon Labs 开发套件评测】+PDM立体声麦克风SPK0641HT4H-1