LD3320A SPI Speech Recognition Module
The LD3320A SPI Speech Recognition Module provides non-specific human speech recognition for microcontrollers like Arduino, STM32, and 51-series MCUs. It supports up to 50 keywords without prior training and includes integrated audio processing with MP3 playback capability.
Features
- LD3320A chip with high-accuracy, non-specific speech recognition (up to 95% accuracy).
- SPI interface for seamless integration with Arduino, STM32, 51-series MCUs, and Raspberry Pi.
- Supports dynamic editing and storage of up to 50 keywords without system downtime.
- Integrated 16-bit A/D and D/A converters and audio amplifier with 3.5mm jack output.
- Built-in MP3 playback functionality and low standby power consumption for portable applications.
Out of stock
The LD3320A module is a dedicated speech recognition IC that processes human voice input through its integrated 16-bit audio converters. It employs non-specific recognition technology, allowing it to identify pre-programmed keywords from any user without individual voice training, making it ideal for plug-and-play integration.
Communication is handled via a standard SPI interface, providing a simple serial connection to host microcontrollers for sending recognition results and receiving playback commands. The module includes a complete audio chain with an amplifier, enabling direct connection to speakers or headphones via its 3.5mm jack, and supports MP3 file decoding for audio feedback in interactive systems.
Additional Information
| Weight | 0.02 kg |
|---|---|
| Dimensions | 5.7 × 2.25 cm |
