鏁板瓧楹﹀厠椋?– 涓婃捣涓板疂鐢靛瓙淇℃伅绉戞妧鏈夐檺鍏徃缃戠珯 //huaanxuan.com 全球电子元器件授权代理方案分销?丰宝电子网上商城 Mon, 01 Jul 2024 04:40:06 +0000 zh-CN hourly 1 //wordpress.org/?v=6.5.5 //huaanxuan.com/wp-content/uploads/2022/12/logo-300px-32x32.png 鏁板瓧楹﹀厠椋?– 涓婃捣涓板疂鐢靛瓙淇℃伅绉戞妧鏈夐檺鍏徃缃戠珯 //huaanxuan.com 32 32 基于数字麦克风SPH0655在会议音箱应用?/title> <link>//huaanxuan.com/sph0655/</link> <dc:creator><![CDATA[吴丽?Ameko Wu]]></dc:creator> <pubDate>Mon, 01 Jul 2024 04:20:47 +0000</pubDate> <category><![CDATA[产品线]]></category> <category><![CDATA[KNOWLES]]></category> <category><![CDATA[方案]]></category> <category><![CDATA[消费电子]]></category> <category><![CDATA[数字麦克风]]></category> <guid isPermaLink="false">//huaanxuan.com/?p=22179</guid> <description><![CDATA[?背景概述 企业在发展过程中需要不断通过沟通、协作和决策来创造价值，而沟通协作决策的重要场景就是会议，会议效[查看更多]]]></description> <content:encoded><![CDATA[<div date-time="1734683249" dir="ktjjba" style="height:50px" aria-hidden="true" class="wp-block-spacer"></div><h2 class="wp-block-heading">?背景概述</h2><div date-time="1734683249" dir="ernzsg" style="height:30px" aria-hidden="true" class="wp-block-spacer"></div><p>企业在发展过程中需要不断通过沟通、协作和决策来创造价值，而沟通协作决策的重要场景就是会议，会议效率将直接影响到运营效率?/p><p>日常工作中，我们时常面临各种规模不同的会议，?个人的小型会议，6-8人的部门中型会议?0人以上的公司大型会议，不同的会议场景对麦克风音箱的拾音、扩音距离要求不同?/p><p>与普通电话和手机等终端相比，本地会场的参会人员围着会议音箱，在有效距离内自由的说话，会议音箱把声音清晰的传给对方，会议音箱喇叭的音量可以达?5?2分贝或更大，把远端的原声清晰的播放出来?/p><div date-time="1734683249" dir="lvxwft" style="height:30px" aria-hidden="true" class="wp-block-spacer"></div><figure class="wp-block-image aligncenter size-full"><img fetchpriority="high" decoding="async" width="600" height="337" src="//huaanxuan.com/wp-content/uploads/2024/06/SPH0655-1.jpg" alt="" class="wp-image-22291"/></figure><div date-time="1734683249" dir="mhnjzn" style="height:100px" aria-hidden="true" class="wp-block-spacer"></div><h2 class="wp-block-heading">?SPH0655在会议音箱应用案?/h2><div date-time="1734683249" dir="lzywnx" style="height:30px" aria-hidden="true" class="wp-block-spacer"></div><p>该会议音箱利用高性能DSP音频处理芯片（持四路PDM数字麦克风输入、多路I2S数据输入/输出）将多组麦克风阵列信号做AEC处理后衰减、叠加，有效拾音距离可以达到十米甚至更远，大大降低了客户实际使用环境的布线要求，对面积较大的使用环境也能做到优异的拾音效果?/p><p>系统主要包括DSP频处理芯片、ADC芯片、DAC芯片、功率放大器、喇叭、数字麦克风阵列? 音箱通过麦克风阵列拾音后将音频信号输出到音频处理芯片，电脑或手机给到音频处理芯片的音频信号作为AEC（回声消除）参考源，再通过音频处理芯片内部AEC算法做回音消?电脑或手机通过USB接口9或蓝牙与会议音箱连接，将远端说话者的声音直接通过会议音箱的喇?播放出来?/p><div date-time="1734683249" dir="oafidn" style="height:30px" aria-hidden="true" class="wp-block-spacer"></div><p>?<strong>系统应用框图?/strong></p><figure class="wp-block-image aligncenter size-full"><img decoding="async" width="1398" height="1101" src="//huaanxuan.com/wp-content/uploads/2024/06/SPH0655-2.png" alt="" class="wp-image-22292" srcset="//huaanxuan.com/wp-content/uploads/2024/06/SPH0655-2.png 1398w, //huaanxuan.com/wp-content/uploads/2024/06/SPH0655-2-768x605.png 768w, //huaanxuan.com/wp-content/uploads/2024/06/SPH0655-2-600x473.png 600w" sizes="(max-width: 1398px) 100vw, 1398px" /></figure><div date-time="1734683249" dir="bjfrxv" style="height:100px" aria-hidden="true" class="wp-block-spacer"></div><h2 class="wp-block-heading">?SPH0655技术和应用电路</h2><div date-time="1734683249" dir="zjazal" style="height:30px" aria-hidden="true" class="wp-block-spacer"></div><h3 class="wp-block-heading">?产品概述</h3><p>?工作温度覆盖-40°C ~ +100°C，可以在恶劣的应用环境中实现各种用例<br>?132.5 dB SPL的高声学过载点（AOP）使其能够在嘈杂的环境中无失真的捕捉音频信号.高动态范围，可提高通话和音?br>?凭?6 dB高信噪比（SNR?低相位失真，可实现卓越的降噪性能，可以为语音识别应用提供最佳的语音质量和卓越的的语音智?br>?高灵敏度,适用于远场麦克风拾音阵列<br>?低功?可选择功耗模?延长电池续航时间</p><div date-time="1734683249" dir="zpejak" style="height:50px" aria-hidden="true" class="wp-block-spacer"></div><h3 class="wp-block-heading">?SPH0655单双声道应用</h3><p>客户可通过对L/R引脚的设置实现MEMS MIC单声避或者双声道的使??一般情况下 ?单MIC使用?，建议客户将 L/R引脚接地 ?避免电涌噪声的影响；双MIC使用??可将两个MIC的输出并联走一条输出线，下面给出单MIC和双MIC的使用连接图?/p><figure class="wp-block-image aligncenter size-full"><img decoding="async" width="1637" height="826" src="//huaanxuan.com/wp-content/uploads/2024/06/SPH0655-3.png" alt="" class="wp-image-22294" srcset="//huaanxuan.com/wp-content/uploads/2024/06/SPH0655-3.png 1637w, //huaanxuan.com/wp-content/uploads/2024/06/SPH0655-3-768x388.png 768w, //huaanxuan.com/wp-content/uploads/2024/06/SPH0655-3-1536x775.png 1536w, //huaanxuan.com/wp-content/uploads/2024/06/SPH0655-3-600x303.png 600w" sizes="(max-width: 1637px) 100vw, 1637px" /></figure><div date-time="1734683249" dir="mbuwyb" style="height:50px" aria-hidden="true" class="wp-block-spacer"></div><h3 class="wp-block-heading">?SPH0655参考设计应?/h3><ul><li>建议在靠近每个麦克风VDD端放置一?.1-1 uF电容 ?消除电源纹波</li> <li>CLK走线长度较长??需要在靠近codec端串?0-300匹配电阻 ?消除信号反射</li> <li>禁止信号?CLK/DATA)长距离相邻并行走??会导致高频信号干?/li> <li>建议在CLK/DATA对地预留10-68pF电容焊盘 ?必要时可消除信号线上的高频干?/li></ul><figure class="wp-block-image aligncenter size-full"><img loading="lazy" decoding="async" width="1739" height="753" src="//huaanxuan.com/wp-content/uploads/2024/06/SPH0655-4.png" alt="" class="wp-image-22296" srcset="//huaanxuan.com/wp-content/uploads/2024/06/SPH0655-4.png 1739w, //huaanxuan.com/wp-content/uploads/2024/06/SPH0655-4-768x333.png 768w, //huaanxuan.com/wp-content/uploads/2024/06/SPH0655-4-1536x665.png 1536w, //huaanxuan.com/wp-content/uploads/2024/06/SPH0655-4-600x260.png 600w" sizes="(max-width: 1739px) 100vw, 1739px" /></figure><div date-time="1734683249" dir="cheplr" style="height:100px" aria-hidden="true" class="wp-block-spacer"></div><h2 class="wp-block-heading">?SPH0655主要应用场景</h2><div date-time="1734683249" dir="bdsjvw" style="height:30px" aria-hidden="true" class="wp-block-spacer"></div><ul><li>智能影音系统</li> <li>智能音箱</li> <li>智能家居系统</li> <li>智能会议系统</li> <li>手机</li> <li>平板电脑</li></ul><div date-time="1734683249" dir="oujrjp" style="height:100px" aria-hidden="true" class="wp-block-spacer"></div><h2 class="wp-block-heading"><img src="//s.w.org/images/core/emoji/15.0.3/72x72/1f7e0.png" alt="🟠" class="wp-smiley" style="height: 1em; max-height: 1em;" />Knowles公司介绍</h2><div date-time="1734683249" dir="mlymwx" style="height:30px" aria-hidden="true" class="wp-block-spacer"></div> <section class="section" id="section_843286927"> <div date-time="1734683249" dir="tfauvb" class="section-bg fill" > </div> <div date-time="1734683249" dir="tfldpq" class="section-content relative"> <div date-time="1734683249" dir="rkyiyx" class="row align-middle" id="row-459075306"> <div date-time="1734683249" dir="tpuhug" id="col-2080003324" class="col medium-12 small-12 large-6" > <div date-time="1734683249" dir="avsejm" class="col-inner" > <div date-time="1734683249" dir="dpkgvf" id="text-3426437992" class="text"> <h1 class="uppercase">KNOWLES</h1> <p><span style="font-size: 100%;">网址?a class="brandsl" href="////www.knowles.com/" target="_blank">////www.knowles.com/</a></span></p> <p><span style="font-size: 100%;">国家：美?/span></p> <style> #text-3426437992 { font-size: 1.75rem; line-height: 1.5; color: rgb(255,255,255); } #text-3426437992 > * { color: rgb(255,255,255); } @media (min-width:550px) { #text-3426437992 { font-size: 1.5rem; } } </style> </div> <div date-time="1734683249" dir="rghqqq" id="gap-257839204" class="gap-element clearfix" style="display:block; height:auto;"> <style> #gap-257839204 { padding-top: 30px; } </style> </div> <div date-time="1734683249" dir="lletzz" id="text-973884759" class="text"> <p>楼氏 凭借深厚的历史、一流的人才以及在声学、软件和信号处理方面无与伦比的能? 使我们能够解决客户在移动、耳朵和物联网市场面临的关键音频挑战?br /> 作为业界领先的高性能音频解决方案提供商， 楼氏 提供改进的音频质量，使消费者能够更好地控制语音技术?</p> <style> #text-973884759 { font-size: 1rem; color: rgb(255,255,255); } #text-973884759 > * { color: rgb(255,255,255); } </style> </div> <div date-time="1734683249" dir="qembsg" id="gap-1854597252" class="gap-element clearfix" style="display:block; height:auto;"> <style> #gap-1854597252 { padding-top: 10px; } </style> </div> </div> </div> <div date-time="1734683249" dir="clktta" id="col-2051698691" class="col medium-12 small-12 large-6 medium-col-first" > <div date-time="1734683249" dir="jovyaa" class="col-inner text-center" > <div date-time="1734683249" dir="fkosrs" class="img has-hover x md-x lg-x y md-y lg-y" id="image_1950346560"> <div date-time="1734683249" dir="pczewj" data-parallax-fade="true" data-parallax="2"> <div date-time="1734683249" dir="chvsnf" data-animate="bounceIn"> <div date-time="1734683249" dir="abxddj" class="img-inner image-zoom box-shadow-3 box-shadow-2-hover dark" style="margin:1px 1px 1px 1px;"> <img loading="lazy" decoding="async" width="290" height="130" src="//huaanxuan.com/wp-content/uploads/2022/12/242_KNOWLES.png" class="attachment-original size-original" alt="" srcset="//huaanxuan.com/wp-content/uploads/2022/12/242_KNOWLES.png 290w, //huaanxuan.com/wp-content/uploads/2022/12/242_KNOWLES-150x67.png 150w" sizes="(max-width: 290px) 100vw, 290px" /> </div> </div> </div> <style> #image_1950346560 { width: 100%; } @media (min-width:850px) { #image_1950346560 { width: 60%; } } </style> </div> </div> </div> </div> <div date-time="1734683249" dir="vxmghb" class="row row-small align-equal align-center" id="row-1416504641"> <div date-time="1734683249" dir="unkeno" id="col-36837062" class="col medium-8 small-12 large-4" > <div date-time="1734683249" dir="kymump" class="col-inner" > <div date-time="1734683249" dir="hypbrl" class="is-border" style="border-radius:15px;border-width:1px 1px 1px 1px;"> </div> <div date-time="1734683249" dir="fqaqxz" class="icon-box featured-box icon-box-left text-left" > <div date-time="1734683249" dir="cbhext" class="icon-box-text last-reset"> <h3>产品线详细信?/h3> </div> </div> <div date-time="1734683249" dir="fivxkj" id="gap-1339179682" class="gap-element clearfix" style="display:block; height:auto;"> <style> #gap-1339179682 { padding-top: 15px; } </style> </div> <p>中文名称：楼?/p> <p>产品分类：机电产?音频产品,电容</p> <p>经营模式：代?/p> </div> <style> #col-36837062 > .col-inner { border-radius: 15px; } </style> </div> <div date-time="1734683249" dir="yxtgip" id="col-1111672556" class="col medium-8 small-12 large-4" > <div date-time="1734683249" dir="sgphwe" class="col-inner" > <div date-time="1734683249" dir="utgabr" class="is-border" style="border-radius:15px;border-width:1px 1px 1px 1px;"> </div> <div date-time="1734683249" dir="bdplbl" class="icon-box featured-box icon-box-left text-left" > <div date-time="1734683249" dir="hfbtod" class="icon-box-text last-reset"> <h3>应用领域及市?/h3> </div> </div> <div date-time="1734683249" dir="ujofdt" id="gap-1156936356" class="gap-element clearfix" style="display:block; height:auto;"> <style> #gap-1156936356 { padding-top: 15px; } </style> </div> <p>智能手机?a href="/industry-solutions_smart-home-list-page/">智能家居</a>，智能音箱，智能耳机，安防监控等?/p> </div> <style> #col-1111672556 > .col-inner { border-radius: 15px; } </style> </div> <div date-time="1734683249" dir="rzhkyr" id="col-1680386478" class="col medium-8 small-12 large-4" > <div date-time="1734683249" dir="jvfckd" class="col-inner" > <div date-time="1734683249" dir="nehdwg" class="is-border" style="border-radius:15px;border-width:1px 1px 1px 1px;"> </div> <div date-time="1734683249" dir="umwhyc" class="icon-box featured-box icon-box-left text-left" > <div date-time="1734683249" dir="ozrlnm" class="icon-box-text last-reset"> <h3>主要产品</h3> </div> </div> <div date-time="1734683249" dir="qoqmjb" id="gap-1511760223" class="gap-element clearfix" style="display:block; height:auto;"> <style> #gap-1511760223 { padding-top: 15px; } </style> </div> <p>硅麦克风，动铁喇叭，电容?/p> </div> <style> #col-1680386478 > .col-inner { border-radius: 15px; } </style> </div> <style> #row-1416504641 > .col > .col-inner { padding: 25px 25px 25px 25px; background-color: rgb(255,255,255); } </style> </div> </div> <style> #section_843286927 { padding-top: 20px; padding-bottom: 20px; background-color: #446084; } @media (min-width:550px) { #section_843286927 { padding-top: 50px; padding-bottom: 50px; } } @media (min-width:850px) { #section_843286927 { padding-top: 70px; padding-bottom: 70px; } } </style> </section> <div date-time="1734683249" dir="jqfxbg" style="height:100px" aria-hidden="true" class="wp-block-spacer"></div><h2 class="wp-block-heading"><img src="//s.w.org/images/core/emoji/15.0.3/72x72/1f535.png" alt="🔵" class="wp-smiley" style="height: 1em; max-height: 1em;" />丰宝介绍</h2><div date-time="1734683249" dir="gfvxfk" style="height:30px" aria-hidden="true" class="wp-block-spacer"></div><div date-time="1734683249" dir="wqnilq" class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex"><div date-time="1734683249" dir="xkafwy" class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:66.66%"><p>上海丰宝电子信息科技有限公司创办?998?月，本土知名的元器件代理商。总部位于上海，在北京、深圳、苏州、香港、台湾设有分公司，并在广州、东莞、厦门、南京、杭州?武汉、西安等15个城市设有办事处。公司主营电子元器件世界品牌在中国大陆的代理销售，并致力于代理芯片产品的应用设计开发，整体解决方案在通讯、家电、工业控制得到广泛应用。公司的主要代理品牌有Bourns、Winbond、Omron、Knowles、U-blox 、Nuvoton、Digi和Torex等?/p> <p>丰宝电子系上海市高新技术企业，2003?014年连续十二年被《国际电子商情》评选为“读者最满意的十家大陆电子元器件分销商”。在2008?011年三次获得“Omron优秀代理商销售奖”，2009?012年三次获得“SGMC杰出成长奖”，2010年荣获“Bourns杰出业绩奖”，2011年荣获“NXP年度增长最快ID奖”，2012年荣获“NXP最佳FAE支持团队奖”，2013荣获 Torex合作伙伴奖。丰宝电子视诚信经营为企业至高荣誉，一直致力于上海市“诚信创建企业”工作认定，截止?017年已荣升为五星级企业?/p> <p> </p></div> <div date-time="1734683249" dir="ayhsmw" class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:33.33%"><figure class="wp-block-image size-large is-resized"><img loading="lazy" decoding="async" width="691" height="1024" src="//huaanxuan.com/wp-content/uploads/2023/01/IMG_20220729_152445-691x1024.jpg" alt="" class="wp-image-8055" srcset="//huaanxuan.com/wp-content/uploads/2023/01/IMG_20220729_152445-691x1024.jpg 691w, //huaanxuan.com/wp-content/uploads/2023/01/IMG_20220729_152445-scaled-600x889.jpg 600w, //huaanxuan.com/wp-content/uploads/2023/01/IMG_20220729_152445-405x600.jpg 405w, //huaanxuan.com/wp-content/uploads/2023/01/IMG_20220729_152445-768x1138.jpg 768w, //huaanxuan.com/wp-content/uploads/2023/01/IMG_20220729_152445-1037x1536.jpg 1037w, //huaanxuan.com/wp-content/uploads/2023/01/IMG_20220729_152445-1382x2048.jpg 1382w, //huaanxuan.com/wp-content/uploads/2023/01/IMG_20220729_152445-scaled.jpg 1728w" sizes="(max-width: 691px) 100vw, 691px" /><figcaption class="wp-element-caption">上海丰宝总部</figcaption></figure> <p></p> <p></p> <p></p> <p></p></div></div>]]></content:encoded> </item> </channel> </rss>