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ReSpeaker Lite - USB 2-Mic Array with Onboard AI Audio Processing Algorithms
Powered by XMOS XU316 AI Sound and Audio chipset, this dev board excels in audio processing with its integrated dual microphone array, ideal for speech recognition and voice control. Featuring advanced onboard NLU algorithms, the XU316 chip provides interference cancellation, echo cancellation, and noise suppression. It supports I2S and USB connections and is compatible with Seeed Studio XIAO ESP32S3 (Sense), Adafruit QT Py, Raspberry Pi, and PC
Artikelnummer:
12467
Verfügbarkeit: Zur Zeit nicht an Lager
CHF 25.90
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Details
Features
- Dual Microphone Array for Far-Field Voice Capture: The 2 high performance digital microphones capture and extract far-field speech and voice (up to 3 meters) even in noisy environments as it cancels point noise using two microphone input.
- Onboard AI NLU Algorithms: Powered by XMOS XU-316 AI sound and audio chip, the kit includes Natural Language Understanding algorithms for Interference Cancellation (IC) , Acoustic Echo Cancellation, Noise Suppression, Voice-to-Noise Ratio (VNR), and Automatic Gain Control (AGC), enabling high quality voice capture.
- Embracing Open Source: This board is compatible with popular hardware platforms (XIAO ESP32S3 (Sense), Adafruit QT Py) via I2S, and compatible with Raspberry Pi, PC via USB (Audio Class 2.0 (UAC2)).
- Onboard RGB LED: The board features a programmable WS2812 RGB LED, supporting custom effects and offering a visual interface for your applications.
- External Power Supply Support: this board supports external 5V power supply, which can be flexibly applied in different scenarios.
- DFU for Custom Development: the board supports custom firmware update via DFU-Util.
Specification
|
Core Chip |
XMOS XU316 |
|
Digital Microphones |
High-performance digital microphones * 2 |
|
Sensitivity |
-26 dBFS |
|
Acoustic Overload Point |
120 dBL |
|
SNR |
64 dBA |
|
Power Supply |
USB 5V, external 5V |
|
Dimensions |
35*86 mm |
|
Audio Output |
Speaker Connector / 3.5mm Headphone jack |
|
Maximum Sampling Rate |
16Khz |
|
Speaker |
Supports 5W amplifier speakers. |
Hardware Overview
|
1 |
Dual Microphone Array |
Provides high-quality audio input. |
|
2 |
Power Indicator Light |
Illuminates when powered on. |
|
3 |
RGB Light |
Programmable WS2812, provides visual interface |
|
4 |
Mute Indicator Light |
Lights up red when the mute button is pressed. |
|
5 |
USR Button |
User-defined button. |
|
6 |
Mute Button |
Mutes audio input when pressed. |
|
7 |
XIAO ESP32S3 (optional) |
For further development and integration. |
|
8 |
XU316 Core Processor |
Responsible for audio processing and transmission. |
|
9 |
External Power Supply Solder Pad |
Supports external 5V power supply. |
|
10 |
USB Type-C Port |
Used for power and data transmission. |
|
11 |
Speaker Connector |
For audio output. Supports 5W amplifier speakers. |
|
12 |
3.5mm Headphone jack |
Output audio, We can plug active speakers or Headphones into this port. |
|
13 |
External power pad 1 |
Unused IO pins on the XIAO ESP32. |
|
14 |
External power pad 2 |
Unused IO pins on the XU316. |
|
15 |
JTAG |
For debugging and programming the XU316. |
Application
- Far-Field Voice Control
- Offline Voice Processing
- Local Command Processing
- Custom Wake-Up Words
- Low Power Voice Offload
- Industrial Voice Control
- Voice Recognition and Control for Home Assistant, Google Assistant, Amazon Alexa and more
ECCN/HTS
| HSCODE | 8543709990 |
| USHSCODE | 8543708800 |
| UPC | |
| EUHSCODE | 8543709099 |
| COO | CHINA |
Part List
|
Mono Enclosed Speaker - 4R 5W |
1 |
|
7-pin header |
4 |
