LD3320A Serial Port Speech Recognition Module
The LD3320A Serial Port Speech Recognition Module is a value-for-money sound sensor modules designed for everyday users. It features Board Dimensions: 43 x 30 and Power Supply Voltage (V): 3.3 or 5.
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About This Product
The LD3320A Serial Port Speech Recognition Module is a value-for-money sound sensor modules designed for everyday users. It delivers reliable performance at an accessible price.
Key Specifications
- Board Dimensions: 43 x 30
- Power Supply Voltage (V): 3.3 or 5 — works with standard household power
- Chip: LD3320
- Interface Protocol: TTL — compatible with modern devices
- Shipping Weight: 0.02 kg
- Shipping Dimensions: 5 × 5 × 2 cm
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The LD3320A is a speech recognition module that utilizes the TTL interface, enabling seamless integration with microcontrollers such as 51, STM32, and Arduino. This module is designed to facilitate voice recognition functionalities in various applications, including smart home devices, robots, and DIY projects.
Features:
- High Recognition Accuracy: Achieves up to 95% accuracy in recognizing keywords.
- No Prior Training Required: Utilizes non-specific human speech recognition technology, eliminating the need for user training.
- Dynamic Keyword Editing: Supports real-time editing of recognized keywords, allowing immediate updates without system downtime.
- Supports Up to 50 Keywords: Can store and recognize up to 50 distinct keywords or phrases.
- Built-in A/D and D/A Converters: Includes 16-bit resolution converters for high-quality audio processing.
- Audio Amplifier Circuit: Features an integrated amplifier for audio output through a 3.5mm mini jack connector.
- No External Memory Required: Operates without the need for additional Flash or RAM chips.
- Low Standby Power Consumption: Consumes minimal power in standby mode, extending battery life in portable applications.
Package Includes:
1 x LD3320A serial port version of speech recognition module
