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Seeed ReSpeaker Core

Seeed ReSpeaker Core

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Better Sound Processing

An excellent solution for adding a voice interface to any device, the Seeed ReSpeaker Core effortlessly processes speech algorithms in full documents. Based around the ATMega32U4 processor, the Core is compatible with Arduino, so you’ll have full voice access to an array of sensors. The embedded microphone comes with a variety of speech algorithms, such as direction of arrival, beamforming, and acoustic echo cancellation. A built-in AI7688 Wi-Fi module allows the device to connect directly with your router, so you won’t have to piggyback off another device. Because it’s compatible with the GNU/Linux based OpenWrt operating system, the mic benefits from an array of preexisting software tools.  

Specs

  • Model number: 102010088
  • Operating system: GNU/Linux based OpenWrt
  • Wi-Fi: AI7688
  • Wi-Fi Network: Support Legacy 802.11b/g and HT 802.11n modes
  • 2 expansion headers for I2C, GPIO and USB 2.0 host
  • Interfaces: Built-in 3.5mm AUX port, micro USB and SD card slot
  • Microprocessor: ATMega32U4 
  • 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 
  • Sample rates: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48 kHz
  • Power supply: 5V DC  
  • Diameter: 2.7 in (7 cm)
  • Weight: 0.5 oz (17 g) 

Shipping

All orders will be shipped by Massdrop.

Estimated ship date is Mar 19, 2019 PT.

After the drop ends, payment will be collected and the group’s order will be submitted to the vendor up front, making all sales final. Check the discussion page for updates on your order.

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