AS200 Speech Module (Noise Reduction, AEC, Offline Wake Word)
Embedded speech front end and recognition: dual or multi-mic noise reduction, acoustic echo cancellation, offline wake word and on-device command recognition that works without a network. For meeting devices, smart home, in-car and industrial voice control, alongside or apart from the video link. Custom wake words and commands available.
AUDIO
Highlights
✓Offline wake word and commands keep working without a network
✓Multi-mic noise reduction and AEC for clearer far-field pickup in rooms and cars
✓Custom wake words and commands in Chinese and English
✓Combine with the video modules for picture-plus-voice products
✓For meeting devices, smart home, in-car voice and factory control
Specifications
| Part Number | AS200 |
| Category | Speech Processing |
| Front End | Noise reduction, echo cancellation, AGC, beamforming |
| Recognition | Offline wake word, on-device command words, custom vocabulary |
| Microphones | Single, dual or multi-mic array (per project) |
| Interface | I²S / UART, customised per project |
| Applications | Conference speakers, smart home, in-car voice, industrial control |
| Status | In development; open to project partners |
OVERVIEW
Overview
Typical Applications
SIGNAL CHAIN
Signal Chain
Video goes from transmitter to receiver; EDID and keyboard/mouse data travel back to the host. Wireless and wired links use the same pair of modules.
4K30 vs 4K60
4K30 or 4K60
The two series differ in resolution and in how the transmitter provides loop-out.
SPECIFICATIONS
MECHANICAL
Dimensions
CARRIER BOARD
Carrier Board Design Notes
FAQ
FAQ
PAIRING
Pairing & Indication
| Action | LED | Result |
|---|---|---|
| Hold KEY 5s | Fast blink | Enters pairing mode and searches for the peer |
| Paired | Solid on | Link up and streaming; the RX overlays an OSD with pairing and key info |
| Hold KEY 25s+ | Slow blink | Factory reset: clears SSID, key and pairing — re-pairing required |
Send Your Project Requirements
Tell us the product form, target market, feature list and expected volume. We reply with a feasibility assessment, schedule and quotation.
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