杞﹁绾ч害鍏嬮 – 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, 13 Nov 2023 06:51:35 +0000 zh-Hans hourly 1 //wordpress.org/?v=6.7.2 //huaanxuan.com/wp-content/uploads/2022/12/logo-300px-32x32.png 杞﹁绾ч害鍏嬮 – 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 基于车规级麦克风SPH1878在车载影音应?/title> <link>//huaanxuan.com/sph1878-automotive/</link> <comments>//huaanxuan.com/sph1878-automotive/#respond</comments> <dc:creator><![CDATA[吴丽?Ameko Wu]]></dc:creator> <pubDate>Mon, 13 Nov 2023 05:00:00 +0000</pubDate> <category><![CDATA[产品线]]></category> <category><![CDATA[KNOWLES]]></category> <category><![CDATA[方案]]></category> <category><![CDATA[汽车电子]]></category> <category><![CDATA[车规级麦克风]]></category> <guid isPermaLink="false">//huaanxuan.com/?p=20594</guid> <description><![CDATA[车规级SPH1878具备优秀的音频捕获性能和超宽工作温度范围，可在恶劣的汽车环境中实现降噪、回声消除和远距离拾音。该麦克风适用于车载影音系统、智能座舱、紧急警报检测系统、发动机/道路噪音降噪、智能轮胎和车载阅读灯等景。]]></description> <content:encoded><![CDATA[<div date-time="1744906626" dir="nrqttz" style="height:50px" aria-hidden="true" class="wp-block-spacer"></div><h2 class="wp-block-heading">一、背景概?/h2><div date-time="1744906626" dir="oyblhl" style="height:30px" aria-hidden="true" class="wp-block-spacer"></div><p>当下电动化、智能化是汽车行业的大趋势，行业风口已经出现，为提高乘坐舒适性，对免提通话、高级语音辅助以及车内噪音消除等功能也是日益增长?br>针对于前装车载恶劣的汽车环境中所需要的最佳音频性能，车规级麦克风可以为所有的语音相关应用实现无失真音频捕获，为语音识别算法提高语音可懂度。由于车辆使用寿命比较长，而车规级麦克风则能保持长时间供应?/p><div date-time="1744906626" dir="fimwqn" 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="647" height="429" src="//huaanxuan.com/wp-content/uploads/2023/11/SPH1878-1.jpg" alt="" class="wp-image-20595" srcset="//huaanxuan.com/wp-content/uploads/2023/11/SPH1878-1.jpg 647w, //huaanxuan.com/wp-content/uploads/2023/11/SPH1878-1-600x398.jpg 600w" sizes="(max-width: 647px) 100vw, 647px" /></figure><div date-time="1744906626" dir="ubvnsi" style="height:100px" aria-hidden="true" class="wp-block-spacer"></div><h2 class="wp-block-heading">二、SPH1878在车载影音的应用案例</h2><div date-time="1744906626" dir="oivlmq" style="height:30px" aria-hidden="true" class="wp-block-spacer"></div><p>该智能车载影音系统应用主要创新点在替代传统的EMC麦克风，使用车规级mems麦克风来实现语音交互及通话。采用两颗楼氏车规级麦克风SPH1878实现，两路SPH1878采集语音数据通过语音处理模块FM1388，实现降噪，回声消除，远距离拾音，声源识别后交给后端DSP处理，实现语音交互及通话功能。SPH1878符合AEC-Q103-003标准，具备从-40°C?125°C的超宽工作温度范围，可适用于各种恶劣的行车环境。在声压级（SPL）为94 dB并且声学过载点（AOP）高?32 dBSPL时，该麦克风的总谐波失真（THD）小?.5%，可在嘈杂的环境中捕捉无失真的音频信号?/p><div date-time="1744906626" dir="ufevct" style="height:30px" aria-hidden="true" class="wp-block-spacer"></div><h3 class="wp-block-heading">❥?系统应用框图</h3><div date-time="1744906626" dir="gqkfgs" style="height:10px" aria-hidden="true" class="wp-block-spacer"></div><figure class="wp-block-image aligncenter size-full"><img decoding="async" width="1798" height="898" src="//huaanxuan.com/wp-content/uploads/2023/11/SPH1878-2.jpg" alt="" class="wp-image-20596" srcset="//huaanxuan.com/wp-content/uploads/2023/11/SPH1878-2.jpg 1798w, //huaanxuan.com/wp-content/uploads/2023/11/SPH1878-2-768x384.jpg 768w, //huaanxuan.com/wp-content/uploads/2023/11/SPH1878-2-1536x767.jpg 1536w, //huaanxuan.com/wp-content/uploads/2023/11/SPH1878-2-600x300.jpg 600w" sizes="(max-width: 1798px) 100vw, 1798px" /></figure><div date-time="1744906626" dir="zfibzh" style="height:100px" aria-hidden="true" class="wp-block-spacer"></div><h2 class="wp-block-heading">三、SPH1878技术和应用电路</h2><div date-time="1744906626" dir="xtbedp" style="height:30px" aria-hidden="true" class="wp-block-spacer"></div><h3 class="wp-block-heading">❥?产品概述</h3><div date-time="1744906626" dir="jaziel" style="height:10px" aria-hidden="true" class="wp-block-spacer"></div><figure class="wp-block-image aligncenter size-full"><img decoding="async" width="1244" height="525" src="//huaanxuan.com/wp-content/uploads/2023/11/SPH1878-3.png" alt="" class="wp-image-20597" srcset="//huaanxuan.com/wp-content/uploads/2023/11/SPH1878-3.png 1244w, //huaanxuan.com/wp-content/uploads/2023/11/SPH1878-3-768x324.png 768w, //huaanxuan.com/wp-content/uploads/2023/11/SPH1878-3-600x253.png 600w" sizes="(max-width: 1244px) 100vw, 1244px" /></figure><div date-time="1744906626" dir="eclkrc" style="height:30px" aria-hidden="true" class="wp-block-spacer"></div><ul class="wp-block-list"><li>通过汽车应用AEC-Q100/103认证的MEMS麦克风，有助于简化行业设计，降低系统车规级认证的风险</li> <li>工作温度覆盖-40°C ~ +125°C，可以在恶劣的汽车应用环境中实现各种用例</li> <li>132 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?/li> <li>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?/li> <li>5年以上长时间供应</li></ul><div date-time="1744906626" dir="hkgsqz" style="height:50px" aria-hidden="true" class="wp-block-spacer"></div><h3 class="wp-block-heading">❥?SPH1878设计框图</h3><div date-time="1744906626" dir="dpvdnm" style="height:10px" aria-hidden="true" class="wp-block-spacer"></div><figure class="wp-block-image aligncenter size-full"><img loading="lazy" decoding="async" width="3708" height="834" src="//huaanxuan.com/wp-content/uploads/2023/11/SPH1878-4.png" alt="" class="wp-image-20598" srcset="//huaanxuan.com/wp-content/uploads/2023/11/SPH1878-4.png 3708w, //huaanxuan.com/wp-content/uploads/2023/11/SPH1878-4-768x173.png 768w, //huaanxuan.com/wp-content/uploads/2023/11/SPH1878-4-1536x345.png 1536w, //huaanxuan.com/wp-content/uploads/2023/11/SPH1878-4-2048x461.png 2048w, //huaanxuan.com/wp-content/uploads/2023/11/SPH1878-4-600x135.png 600w" sizes="(max-width: 3708px) 100vw, 3708px" /></figure><div date-time="1744906626" dir="znjnnt" style="height:100px" aria-hidden="true" class="wp-block-spacer"></div><h2 class="wp-block-heading">四、SPH1878主要应用场景</h2><div date-time="1744906626" dir="ppcplb" style="height:30px" aria-hidden="true" class="wp-block-spacer"></div><div date-time="1744906626" dir="uxlzbd" class="wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex"><div date-time="1744906626" dir="hpoguo" class="wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow"><ul class="wp-block-list"><li>车载影音系统</li> <li>智能座舱</li> <li>紧急警报检测系?/li> <li>发动?道路噪音降噪</li> <li>智能轮胎</li> <li>车载阅读?/li></ul></div> <div date-time="1744906626" dir="bfdban" class="wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow"><div date-time="1744906626" dir="ugmnjr" data-block-name="woocommerce/handpicked-products" data-columns="1" data-products="[12950]" class="wc-block-grid wp-block-handpicked-products wc-block-handpicked-products has-1-columns has-multiple-rows"><ul class="wc-block-grid__products"><li class="wc-block-grid__product"> <a href="//huaanxuan.com/product/sph1878lr5h-1-6/" class="wc-block-grid__product-link"> <div date-time="1744906626" dir="bqosvb" class="wc-block-grid__product-image"><img loading="lazy" decoding="async" width="300" height="300" src="//huaanxuan.com/wp-content/uploads/2023/04/SPH1878LR5H-1-6_KNOWLES-300x300.png" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="SPH1878LR5H-1-6" srcset="//huaanxuan.com/wp-content/uploads/2023/04/SPH1878LR5H-1-6_KNOWLES-300x300.png 300w, //huaanxuan.com/wp-content/uploads/2023/04/SPH1878LR5H-1-6_KNOWLES.png 600w, //huaanxuan.com/wp-content/uploads/2023/04/SPH1878LR5H-1-6_KNOWLES-150x150.png 150w, //huaanxuan.com/wp-content/uploads/2023/04/SPH1878LR5H-1-6_KNOWLES-100x100.png 100w, //huaanxuan.com/wp-content/uploads/2023/04/SPH1878LR5H-1-6_KNOWLES-32x32.png 32w" sizes="(max-width: 300px) 100vw, 300px" /></div> <div date-time="1744906626" dir="asyeys" class="wc-block-grid__product-title">SPH1878LR5H-1-6</div> </a> <div date-time="1744906626" dir="neorvy" class="wc-block-grid__product-onsale"> <span aria-hidden="true">Sale</span> <span class="screen-reader-text">Product on sale</span> </div> <div date-time="1744906626" dir="ystvmi" class="wc-block-grid__product-price price"><del aria-hidden="true"><span class="woocommerce-Price-amount amount"><span class="woocommerce-Price-currencySymbol">¥</span>3.38</span></del> <span class="screen-reader-text">Original price was: ¥3.38.</span><ins aria-hidden="true"><span class="woocommerce-Price-amount amount"><span class="woocommerce-Price-currencySymbol">¥</span>2.05</span></ins><span class="screen-reader-text">Current price is: ¥2.05.</span></div> <div date-time="1744906626" dir="qnoouf" class="wp-block-button wc-block-grid__product-add-to-cart"><a href="//huaanxuan.com/product/sph1878lr5h-1-6/?add-to-cart=12950" aria-label="Add to cart: “SPH1878LR5H-1-6”" data-quantity="4600" data-product_id="12950" data-product_sku="G000003945" rel="nofollow" class="wp-block-button__link add_to_cart_button ajax_add_to_cart">Add to cart</a></div> </li></ul></div></div></div><div date-time="1744906626" dir="pgouyk" style="height:100px" aria-hidden="true" class="wp-block-spacer"></div><h2 class="wp-block-heading">五、Knowles公司介绍</h2><div date-time="1744906626" dir="poungb" style="height:30px" aria-hidden="true" class="wp-block-spacer"></div> <section class="section" id="section_573631372"> <div date-time="1744906626" dir="qwgknw" class="section-bg fill" > </div> <div date-time="1744906626" dir="zdkooq" class="section-content relative"> <div date-time="1744906626" dir="yfegch" class="row align-middle" id="row-486567860"> <div date-time="1744906626" dir="mlxspr" id="col-334792578" class="col medium-12 small-12 large-6" > <div date-time="1744906626" dir="dtfdch" class="col-inner" > <div date-time="1744906626" dir="elmrep" id="text-4231321652" 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-4231321652 { font-size: 1.75rem; line-height: 1.5; color: rgb(255,255,255); } #text-4231321652 > * { color: rgb(255,255,255); } @media (min-width:550px) { #text-4231321652 { font-size: 1.5rem; } } </style> </div> <div date-time="1744906626" dir="cfasor" id="gap-1470612778" class="gap-element clearfix" style="display:block; height:auto;"> <style> #gap-1470612778 { padding-top: 30px; } </style> </div> <div date-time="1744906626" dir="uaryws" id="text-2170336269" 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-2170336269 { font-size: 1rem; color: rgb(255,255,255); } #text-2170336269 > * { color: rgb(255,255,255); } </style> </div> <div date-time="1744906626" dir="gimmau" id="gap-1975715220" class="gap-element clearfix" style="display:block; height:auto;"> <style> #gap-1975715220 { padding-top: 10px; } </style> </div> </div> </div> <div date-time="1744906626" dir="exhohu" id="col-722261010" class="col medium-12 small-12 large-6 medium-col-first" > <div date-time="1744906626" dir="rvadkd" class="col-inner text-center" > <div date-time="1744906626" dir="dgboew" class="img has-hover x md-x lg-x y md-y lg-y" id="image_220659291"> <div date-time="1744906626" dir="huxfxo" data-parallax-fade="true" data-parallax="2"> <div date-time="1744906626" dir="zfwnxt" data-animate="bounceIn"> <div date-time="1744906626" dir="urkrnh" 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_220659291 { width: 100%; } @media (min-width:850px) { #image_220659291 { width: 60%; } } </style> </div> </div> </div> </div> <div date-time="1744906626" dir="inxfbs" class="row row-small align-equal align-center" id="row-144842082"> <div date-time="1744906626" dir="qrqoup" id="col-1684707702" class="col medium-8 small-12 large-4" > <div date-time="1744906626" dir="rsepfg" class="col-inner" > <div date-time="1744906626" dir="xyzsoc" class="is-border" style="border-radius:15px;border-width:1px 1px 1px 1px;"> </div> <div date-time="1744906626" dir="ydyhit" class="icon-box featured-box icon-box-left text-left" > <div date-time="1744906626" dir="tltufq" class="icon-box-text last-reset"> <h3>产品线详细信?/h3> </div> </div> <div date-time="1744906626" dir="zbtepg" id="gap-238122288" class="gap-element clearfix" style="display:block; height:auto;"> <style> #gap-238122288 { 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-1684707702 > .col-inner { border-radius: 15px; } </style> </div> <div date-time="1744906626" dir="ylkgwf" id="col-186831145" class="col medium-8 small-12 large-4" > <div date-time="1744906626" dir="oeleuo" class="col-inner" > <div date-time="1744906626" dir="hqyvhx" class="is-border" style="border-radius:15px;border-width:1px 1px 1px 1px;"> </div> <div date-time="1744906626" dir="ujixvi" class="icon-box featured-box icon-box-left text-left" > <div date-time="1744906626" dir="wwmnqe" class="icon-box-text last-reset"> <h3>应用领域及市?/h3> </div> </div> <div date-time="1744906626" dir="nsjttc" id="gap-676297600" class="gap-element clearfix" style="display:block; height:auto;"> <style> #gap-676297600 { 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-186831145 > .col-inner { border-radius: 15px; } </style> </div> <div date-time="1744906626" dir="rrgtsd" id="col-1736358137" class="col medium-8 small-12 large-4" > <div date-time="1744906626" dir="hprenp" class="col-inner" > <div date-time="1744906626" dir="sduvkf" class="is-border" style="border-radius:15px;border-width:1px 1px 1px 1px;"> </div> <div date-time="1744906626" dir="xbqckz" class="icon-box featured-box icon-box-left text-left" > <div date-time="1744906626" dir="sbohqc" class="icon-box-text last-reset"> <h3>主要产品</h3> </div> </div> <div date-time="1744906626" dir="fnwvdp" id="gap-2069993918" class="gap-element clearfix" style="display:block; height:auto;"> <style> #gap-2069993918 { padding-top: 15px; } </style> </div> <p>硅麦克风，动铁喇叭，电容?/p> </div> <style> #col-1736358137 > .col-inner { border-radius: 15px; } </style> </div> <style> #row-144842082 > .col > .col-inner { padding: 25px 25px 25px 25px; background-color: rgb(255,255,255); } </style> </div> </div> <style> #section_573631372 { padding-top: 20px; padding-bottom: 20px; background-color: #446084; } @media (min-width:550px) { #section_573631372 { padding-top: 50px; padding-bottom: 50px; } } @media (min-width:850px) { #section_573631372 { padding-top: 70px; padding-bottom: 70px; } } </style> </section> <div date-time="1744906626" dir="qaqepg" style="height:100px" aria-hidden="true" class="wp-block-spacer"></div><h2 class="wp-block-heading">六、丰宝介?/h2><div date-time="1744906626" dir="rrjwvm" style="height:30px" aria-hidden="true" class="wp-block-spacer"></div><div date-time="1744906626" dir="jridws" class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex"><div date-time="1744906626" dir="mphhar" 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="1744906626" dir="paypzz" 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> <wfw:commentRss>//huaanxuan.com/sph1878-automotive/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> </channel> </rss>