LD3320 Voice Recognition Board Module Nonspecific Human Speech Voice Control Module Development Board SPI
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Development Board: The LD3320 module often comes as part of a development board. This board provides a platform for developers to interface with the module, program it, and integrate it into their projects.
SPI Interface: SPI (Serial Peripheral Interface) is a common communication protocol used in electronics. The LD3320 module typically interfaces with a host microcontroller or computer using the SPI interface. This allows for easy integration into various systems.
Nonspecific Speech Recognition: Unlike some voice recognition systems that require specific pre-trained phrases or keywords, the LD3320 is designed for more general, nonspecific speech recognition. This means it can recognize a wide range of spoken words and phrases, making it suitable for applications where users may speak naturally rather than following predefined commands.
Programming: To use the LD3320 module effectively, developers typically program it to recognize specific voice commands or phrases. This programming can be done through the development board and may involve training the module to recognize the desired speech patterns.
Audio Input and Output: The module typically has connections for audio input (microphone) and audio output (speaker or headphones) to facilitate speech recognition and interaction.
Power Supply: It requires a power supply voltage compatible with its specifications, which is typically provided through the development board.
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LD3320 Voice Recognition Board Module Nonspecific Human Speech Voice Control Module Development Board SPI
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- Product SKU: KG1023
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Warehouse Details
Specification
Description
The LD3320 is a voice recognition module that allows for the recognition of nonspecific human speech. It's typically used in various applications that require voice control or voice command recognition.Here are some key features and information about the LD3320 module:
Voice Recognition: LD3320 is designed to recognize human speech, and it can be programmed to respond to specific voice commands or keywords. It's capable of processing and recognizing speech in various languages.Development Board: The LD3320 module often comes as part of a development board. This board provides a platform for developers to interface with the module, program it, and integrate it into their projects.
SPI Interface: SPI (Serial Peripheral Interface) is a common communication protocol used in electronics. The LD3320 module typically interfaces with a host microcontroller or computer using the SPI interface. This allows for easy integration into various systems.
Nonspecific Speech Recognition: Unlike some voice recognition systems that require specific pre-trained phrases or keywords, the LD3320 is designed for more general, nonspecific speech recognition. This means it can recognize a wide range of spoken words and phrases, making it suitable for applications where users may speak naturally rather than following predefined commands.
Application:
LD3320 can be used in a variety of applications, including voice-controlled home automation systems, voice-activated devices, interactive toys, and more. Its versatility in recognizing natural speech makes it valuable in scenarios where user-friendliness and convenience are priorities.Programming: To use the LD3320 module effectively, developers typically program it to recognize specific voice commands or phrases. This programming can be done through the development board and may involve training the module to recognize the desired speech patterns.
Audio Input and Output: The module typically has connections for audio input (microphone) and audio output (speaker or headphones) to facilitate speech recognition and interaction.
Power Supply: It requires a power supply voltage compatible with its specifications, which is typically provided through the development board.
Characteristic
- Highly accurate and practical voice recognition effect.
- Non-identified voice recognition technology: Users do not need any recording training.
- Dynamically editable list of recognized keywords: You only need to transfer the recognized keywords in the form of a string to the chip and they will take effect immediately on the next recognition. For example, when programming an MCU such as the 51, the user simply configures the chip's registers and dynamically imports the content of identifying keywords such as "Hello" into the chip, and the chip uses such configured keywords. can be recognized.
- Supports users to freely edit 50 keywords. At the same time, they can be identified by her 50 keywords, and end users can edit and update the content of these 50 keywords at any time according to the needs of the scene
Technical Details
- Operating voltage: 3.3V (3.3V level single-chip microcontroller must be used for driving)
- Built-in monaural 16-bit A/D analog-to-digital conversion
- Built-in 2-channel stereo 16-bit D/A digital-to-analog conversion
- Built-in 20mW dual channel headphone amplifier output
- Built-in 550mW monaural speaker amplifier output
- Supports parallel interface or SPI interface
- Built-in phase lock circuit PLL, input master control clock frequency is 2MHz-34MHz
- Operating voltage: (VDD: for internal core) 3.3V
- 48pin QFN 7*7 standard package
- Power consumption in power saving mode: 1uA
Application
- IH cooker/microwave oven/smart home appliance operation
- Navigator, vending machine, MP3/MP4, digital photo frame
- Smart toy/dialogue toy, PMP/game console, set-top box/color TV remote control
- Subway vending machine, tour guide Demand TV advertising, public lighting systems/sanitary systems/smart home voice control
Physical Attributes
- Dimensions (Lx Wx H)mm: 57 X 23 X 10
- Weight (gm): 10
Documentation
Package Includes
- 1 x LD3320 Voice Recognition Board Module Nonspecific Human Speech Voice Control Module Development Board SPI
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