ReSpeaker Core – Based On MT7688 and OpenWRT Arduino 語音開發套件

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ReSpeaker Core – Based On MT7688 and OpenWRT Arduino 語音開發套件

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ReSpeaker Core – Based On MT7688 and OpenWRT  Arduino 語音開發套件

Maker的語音辨識開發套件:ReSpeaker Core

ReSpeaker是款開源、模組化的開發板,使用者可以用它來打造各種物聯網裝置,但是它與一般開發板最大的不同,在於它支援語音控制,讓使用者可以像是操作智慧型手機上的Siri一樣,直接透過語言來下達各種指令,同時ReSpeaker也會以語音方式與使用者溝通,化解了沒有螢幕的窘境。深圳矽遞(SeeedStudio)推出ReSpeaker開發套件,一方面可接受語音辨識,另一方面透過創客(Maker)的硬體控制電路開發,有機會用語音操控家電及物聯網裝置。

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ReSpeaker Core – Based On MT7688 and OpenWRT  Arduino 語音開發套件

Maker的語音辨識開發套件:ReSpeaker Core

ReSpeaker Core 是款開源、模組化的開發板,使用者可以用它來打造各種物聯網裝置,但是它與一般開發板最大的不同,在於它支援語音控制,讓使用者可以像是操作智慧型手機上的Siri一樣,直接透過語言來下達各種指令,同時ReSpeaker也會以語音方式與使用者溝通,化解了沒有螢幕的窘境。深圳矽遞(SeeedStudio)推出ReSpeaker開發套件,一方面可接受語音辨識,另一方面透過創客(Maker)的硬體控制電路開發,有機會用語音操控家電及物聯網裝置。

ReSpeaker採用聯發科技的MT7688系統晶片整合解决方案,並搭載ATMega32U4協同處理器,可以搭配Microsoft Cognitive Service、Amazon Alexa Voice Service、Google Speech API、Wit.ai 、Houndify等雲端語音辨識系統,或是PocketSphinx離線語音辨識系統,即便沒有連接至網際網路也能維持基本運作。ReSpeaker選擇以Linux為基楚的OpenWrt為作業系統,對於程式能力較強的創客而言, 可以透過官方提供的SDK,或是透過C/C++、Arduino、JavaScript、Lua等程式語言、開發工具設計更多功能。至於不會自己寫程式的人,也可以透過類似App Store的外掛市集系統,下載各式現成的擴充功能,而進階使用者當然可以開發擴充功能後,將成果上傳至市集分享給其他同好。

除了軟體之外,ReSpeaker的硬體也具有相當擴充彈性,使用者不但可以透過Grove擴充板增加ReSpeaker的功能,還能夠透過I2S、I2C、AUX、USB 2.0、GPIO等多種擴充端子連接各式外部設備。

 

ReSpeaker Core

ReSpeaker is an open modular voice interface to hack things around you. Let you interact with your home appliances, your plant, your office, your internet-equipped devices or any other things in your daily life, all by your voice.

 

 

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It’s a voice-enabled extension for your surroundings

ReSpeaker supports both online cognitive services and offline lightweight speech recognition engine. You can add ReSpeaker to things around you to make them smart(smarter).

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It’s a device for music streaming

Voice interface has never been apart from music entertainment, so does ReSpeaker. ReSpeaker supports Airplay/DLNA for wireless music streaming. Just connect ReSpeaker to any ordinary speaker with an AUX cable, then you can start enjoying the music you love without pressing a single button.

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It’s a learning tool for kids

Rather than the on board MT7688 Wi-Fi module which runs the Linux based OpenWrt, ReSpeaker is also powered by the ATmega32u4 chip and absolutely Arduino compatible, which means, we can use ReSpeaker as a powerful Arduino board and do many ‘Arduino’ things. It’s for learning, it’s for practicing, and it’s for fun.

ReSpeaker Core Voice Interaction Between You And…

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ReSpeaker Core

  • AI7688 Wi-Fi Module
    • Operation system: GNU/Linux based OpenWrt
    • Wi-Fi Network: Support Legacy 802.11b/g and HT 802.11n modes
    • Expansion: Two expansion headers for I2C, GPIO and USB 2.0 host
    • Interfaces: Built-in 3.5mm AUX port, Micro USB and SD card slot
  • ATMega32U4 Coprocessor
    • USB CDC virtual serial port for linux console
    • 12 programmable RGB LED indicators
    • 8 on board touch sensors
  • Codec WM8960
    • DAC SNR 98dB (‘A’ weighted), THD -84dB at 48kHz, 3.3V
    • ADC SNR 94dB (‘A’ weighted), THD -82dB at 48kHz, 3.3V
    • Stereo Class D Speaker Driver with 87% efficiency (1W output)
    • On-chip Headphone Driver
    • 40mW output power into 16Ω at 3.3V
    • THD -75dB at 20mW, SNR 90dB with 16Ω load
    • On-chip PLL provides flexible clocking scheme
    • Sample rates: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48 kHz
  • Power Supply: 5V DC
  • Dimensions: 70mm diameter
  • Weight: 17g

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