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204 lines
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<title>usbd_audiov2 — CherryUSB 1.5.3 documentation</title>
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<a href="../index.html" class="icon icon-home">
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CherryUSB
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<li class="toctree-l1"><a class="reference internal" href="../quick_start/start.html">入门必看</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../quick_start/demo.html">基于现有 demo 快速验证</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../quick_start/transplant.html">芯片通用移植指南</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../quick_start/rtthread.html">基于 RT-Thread 软件包开发指南</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../quick_start/esp.html">基于 ESP-Registry 开发指南</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../opensource.html">官方开源项目分享</a></li>
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</ul>
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<p class="caption" role="heading"><span class="caption-text">USB 基本知识点</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../usb/usb2.0_basic.html">USB 基本概念(2.0 为主)</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../usb/usb3.0_basic.html">USB 基本概念(3.0 为主)</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../usb/usb_desc.html">USB 描述符</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../usb/usb_request.html">USB 设备请求</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../usb/usb_enum.html">USB 枚举</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../usb/usb_ext.html">USB 知识点拓展</a></li>
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</ul>
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<p class="caption" role="heading"><span class="caption-text">API 手册</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../api/api_device.html">设备协议栈</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../api/api_host.html">主机协议栈</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../api/api_port.html">主从驱动</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../api/api_config.html">USB CONFIG 说明</a></li>
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</ul>
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<p class="caption" role="heading"><span class="caption-text">Class 指南</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../class/class_cdc.html">CDC</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../class/class_hid.html">HID</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../class/class_msc.html">MSC</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../class/class_audio.html">UAC</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../class/class_video.html">UVC</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../class/winusb.html">WINUSB</a></li>
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</ul>
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<p class="caption" role="heading"><span class="caption-text">例程说明</span></p>
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<ul class="current">
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<li class="toctree-l1"><a class="reference internal" href="usbd_cdc_acm.html">usbd_cdc_acm</a></li>
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<li class="toctree-l1"><a class="reference internal" href="usbd_hid.html">usbd_hid</a></li>
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<li class="toctree-l1"><a class="reference internal" href="usbd_msc.html">usbd_msc</a></li>
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<li class="toctree-l1"><a class="reference internal" href="usbd_rndis.html">usbd_rndis</a></li>
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<li class="toctree-l1"><a class="reference internal" href="usbd_ecm.html">usbd_cdc_ecm</a></li>
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<li class="toctree-l1"><a class="reference internal" href="usbd_audiov1.html">usbd_audiov1</a></li>
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<li class="toctree-l1 current"><a class="current reference internal" href="#">usbd_audiov2</a></li>
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<li class="toctree-l1"><a class="reference internal" href="usbd_video.html">usbd_video</a></li>
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<li class="toctree-l1"><a class="reference internal" href="usbd_winusb.html">usbd_winusb</a></li>
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<li class="toctree-l1"><a class="reference internal" href="usbd_webusb.html">usbd_webusb</a></li>
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<li class="toctree-l1"><a class="reference internal" href="usbd_adb.html">usbd_adb</a></li>
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<li class="toctree-l1"><a class="reference internal" href="usbh_serial.html">usbh_serial</a></li>
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<li class="toctree-l1"><a class="reference internal" href="usbh_hid.html">usbh_hid</a></li>
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<li class="toctree-l1"><a class="reference internal" href="usbh_msc.html">usbh_msc</a></li>
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<li class="toctree-l1"><a class="reference internal" href="usbh_net.html">usbh_net</a></li>
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<li class="toctree-l1"><a class="reference internal" href="usbh_bluetooth.html">usbh_bluetooth</a></li>
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<li class="toctree-l1"><a class="reference internal" href="usbh_wifi.html">usbh_wifi</a></li>
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<li class="toctree-l1"><a class="reference internal" href="usbd_vendor.html">vendor device 驱动编写</a></li>
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<li class="toctree-l1"><a class="reference internal" href="usbh_vendor.html">vendor host 驱动编写</a></li>
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<li class="toctree-l1"><a class="reference internal" href="usb_otg.html">OTG 功能的使用</a></li>
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</ul>
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<p class="caption" role="heading"><span class="caption-text">USBIP 介绍</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../usbip/ohci.html">OHCI</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../usbip/ehci.html">EHCI</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../usbip/xhci.html">XHCI</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../usbip/chipidea.html">CHIPIDEA</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../usbip/dwc2.html">DWC2</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../usbip/musb.html">MUSB</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../usbip/fotg210.html">FOTG210</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../usbip/cdns2.html">CDNS2</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../usbip/cdns3.html">CDNS3</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../usbip/dwc3.html">DWC3</a></li>
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</ul>
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<p class="caption" role="heading"><span class="caption-text">工具使用</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../tools/index.html">chryusb_configurator</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../tools/index.html#usb-protocol-suite">力科 USB Protocol Suite</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../tools/index.html#wireshark">Wireshark</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../tools/index.html#audacity">Audacity</a></li>
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</ul>
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<p class="caption" role="heading"><span class="caption-text">版本说明</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../version.html">版本说明</a></li>
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</ul>
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<p class="caption" role="heading"><span class="caption-text">性能展示</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../show/index.html">性能展示</a></li>
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</ul>
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<p class="caption" role="heading"><span class="caption-text">商业支持</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../support/index.html">商业支持</a></li>
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<hr/>
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<div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
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<div itemprop="articleBody">
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<section id="usbd-audiov2">
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<h1>usbd_audiov2<a class="headerlink" href="#usbd-audiov2" title="Link to this heading"></a></h1>
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<div class="admonition note">
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<p class="admonition-title">Note</p>
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<p>在使用windows 时，当修改描述符任意参数时，必须同步修改字符串描述符，并且卸载驱动，否则windows会认为设备未更改，继续使用旧的驱动，导致无法识别设备。Linux 不受此限制。</p>
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</div>
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<div class="admonition note">
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<p class="admonition-title">Note</p>
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<p>windows 10 uac2.0 功能不完善，请使用 windows 11 测试uac2.0 功能。Linux 不受此限制。</p>
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</div>
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</section>
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