{"product_id":"waveshare-ld3320-voice-recognition-module-non-specific-vocal-sound-control-development-board","title":"Waveshare LD3320 Voice Recognition Module Non-specific Vocal Sound Control Development Board","description":"\u003cdiv id=\"specification\"\u003e\u003c\/div\u003e\u003cdiv id=\"specification_end\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cb\u003eOverview:\u003c\/b\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eSupport non-specific voice recognition module with SPI interface and parallel interface, onboard microphone and active crystal oscillator, which is convenient to realize voice recognition, voice control and human-machine dialogue function in electronic products.\u003c\/div\u003e\u003cdiv\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cb\u003eCharacteristic:\u003c\/b\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eHigh accuracy and practical voice recognition effect.\u003c\/div\u003e\u003cdiv\u003eNon-specific person speech recognition technology: does not require users to perform recording training.\u003c\/div\u003e\u003cdiv\u003eDynamically editable list of recognized keywords: only need to transfer the recognized keywords to the chip in the form of character strings, which can take effect immediately in the next recognition. For example, in the programming of 51 and other MCUs, users simply set the register of the chip, and dynamically import the content of identifying keywords such as 'Hello' into the chip, and the chip can recognize such set keywords. .\u003c\/div\u003e\u003cdiv\u003eSupport users to freely edit 50 keywords: at the same time, they can be identified in 50 keywords, and end users can edit and update the content of these 50 keywords at any time according to the needs of the scene.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cb\u003eParameter:\u003c\/b\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003eWorking voltage: 3.3V (must use 3.3V level single chip microcomputer to drive)\u003c\/div\u003e\u003cdiv\u003e\n\u003cdiv\u003eBuilt-in mono mono 16-bit A\/D analog-to-digital conversion\u003c\/div\u003e\n\u003cdiv\u003eBuilt-in two-channel stereo 16-bit D\/A digital-to-analog conversion\u003c\/div\u003e\n\u003cdiv\u003eBuilt-in 20mW dual channel headphone amplifier output\u003c\/div\u003e\n\u003cdiv\u003eBuilt-in 550mW mono speaker amplifier output\u003c\/div\u003e\n\u003cdiv\u003eSupport parallel interface or SPI interface\u003c\/div\u003e\n\u003cdiv\u003eBuilt-in phase-locked circuit PLL, input master control clock frequency is 2MHz-34MHz\u003c\/div\u003e\n\u003cdiv\u003eWorking voltage: (VDD: for internal core) 3.3V\u003c\/div\u003e\n\u003cdiv\u003e48pin QFN 7*7 standard package\u003c\/div\u003e\n\u003cdiv\u003ePower consumption in power saving mode: 1uA\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cb\u003eApplications:\u003c\/b\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003eInduction cooker\/microwave oven\/smart appliance operation, navigator, vending machine, MP3\/MP4, digital photo frame, smart toy\/dialog toy, PMP\/game machine, set-top box\/color TV remote control, subway vending machine, tour guide machine, building TV Advertising on demand, voice control of public lighting system\/sanitary system\/smart home\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cb\u003eNote: \u003c\/b\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eExcept for the different pin headers, the following two models have the same properties as PCB circuits.\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003eLD3320 Board: curved pin header\u003c\/div\u003e\u003cdiv\u003eLD3320 Board (B): straight pin\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cb\u003ePackage includes:\u003c\/b\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e1 x Voice Recognition Module\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"http:\/\/imgmgr.banggood.com\/images\/oaupload\/banggood\/images\/90\/45\/0c099775-b143-4d50-a2ef-874b3e1b2eac.jpg\" style=\"width:1000px\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"http:\/\/imgmgr.banggood.com\/images\/oaupload\/banggood\/images\/67\/23\/ba5d70fd-0fdd-4403-bf25-ae36f5d94c16.jpg\" style=\"width:1000px\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"http:\/\/imgmgr.banggood.com\/images\/oaupload\/banggood\/images\/B7\/07\/1a87be38-e0d0-4c8e-83ea-174d508d07da.jpg\" style=\"width:1000px\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"http:\/\/imgmgr.banggood.com\/images\/oaupload\/banggood\/images\/08\/FC\/c9723294-7822-4106-9da9-002c741f61a1.jpg\" style=\"width:1000px\"\u003e\u003c\/p\u003e","brand":"Electronic Pro","offers":[{"title":"Straight Pin","offer_id":35552017940636,"sku":"1694449","price":1296.39,"currency_code":"ZAR","in_stock":true},{"title":"Bent Pin","offer_id":35552017973404,"sku":"1694449","price":1296.39,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2787\/9162\/products\/dd5796b3-04bf-440b-9546-79e411b977a1.jpg?v=1597580268","url":"https:\/\/electronic-pro-south-africa.myshopify.com\/products\/waveshare-ld3320-voice-recognition-module-non-specific-vocal-sound-control-development-board","provider":"Electronic Pro ","version":"1.0","type":"link"}