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SeeedStudio ReSpeaker Lite 2 Microphone on-board AI speech recognition control module development kit with XIAO S3 motherboard
- Dual-microphone array for far-field speech capture: Even in a noisy environment, two high-performance digital microphones can capture and extract far-field speech and voice (up to 3 meters), as it uses two microphone inputs to eliminate point noise.
- · On-board AI NLU algorithm: This suite is supported by the XMOS XU-316 AI audio frequency chip and includes natural language understanding algorithms for interference cancellation (IC), echo cancellation, noise suppression, speech-to-noise ratio (VNR), and automatic Gain Control (AGC), enabling high-quality speech capture.
- · Embrace open source: This board is compatible with popular hardware platforms (XIAO ESP32S3(Sense), Adafruit QTPy) via 12S, and is compatible with RaspberryPi and PC via USB (Audio Class 2.0(UAC2)).
- On-board RGBLED: This board features programmable WS2812 RCB leds, supporting custom effects and providing a visual interface for your application.
- External power supply support: This board supports an external 5V power sup
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Core chip: XMOS XU316
High-performance digital microphones *2
Sensitivity -26 decibels per second
The acoustic overload point is 120 decibels
The signal-to-noise ratio is 64 decibels
Power supply: USB 5V, external 5V
The size is 35*86 millimeters
Audio output speaker connector / 3.5 mm headphone jack
The maximum sampling rate is 16 Hertz
The speaker supports a 5W power amplifier speaker
High-performance digital microphones *2
Sensitivity -26 decibels per second
The acoustic overload point is 120 decibels
The signal-to-noise ratio is 64 decibels
Power supply: USB 5V, external 5V
The size is 35*86 millimeters
Audio output speaker connector / 3.5 mm headphone jack
The maximum sampling rate is 16 Hertz
The speaker supports a 5W power amplifier speaker
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by haoyuzeshang Return Policy
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