Ai-Thinker VC-01 Intelligent Offline Voice Module

€2,35
€2,35
€2,35
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The VC-01 is an advanced offline voice recognition module powered by the US516P6 chip. It supports Chinese and English control commands and delivers highly accurate speech recognition with a customizable wake-up word feature. This module is designed to meet the needs of smart devices, offering an easy-to-use RTOS-based SDK for seamless integration.

Features

  • Core Chip: Powered by the US516P6 chip, ensuring reliable and fast voice recognition.
  • Multilingual Support: Supports both Chinese and English control commands.
  • Customizable Pin Header: The VC-01 supports customizable pin header welding for easy integration into various devices.
  • High Recognition Accuracy: Achieves a recognition rate of over 98% for reliable performance.
  • Fast Recognition Time: The recognition process takes less than 100ms.
  • Long-Range Wake-Up: Supports wake-up distance of up to 5 meters, ideal for voice control in larger environments.
  • Customizable Command Vocabulary: Supports up to 150 custom command words.
  • Wake-Up Word Learning: The system can learn wake-up words without the need to recompile firmware.
  • Offline Recognition: Performs offline voice recognition without requiring an internet connection.
  • RTOS SDK: Provides a complete SDK based on RTOS for easy development.
  • AEC Echo Cancellation & Noise Reduction: Supports AEC (Acoustic Echo Cancellation) and steady-state noise reduction for clearer audio input.
  • MIC Input & Dual DAC Output: Supports single MIC input and dual-channel DAC output for high-quality audio output.

Specifications

Parameter Details
Core Chip US516P6
Voice Recognition Rate 98% or higher
Recognition Time <100ms
Wake-Up Distance >5 meters
Custom Commands Supports up to 150 commands
Wake-Up Word Learning No need for firmware recompilation
Voice Recognition Offline, no internet required
SDK Based on RTOS
Noise Cancellation Supports AEC and steady-state noise reduction
MIC Input Single MIC input
DAC Output Dual-channel DAC output

Key Features

  • Core Chip: Powered by the US516P6 chip, ensuring reliable and fast voice recognition.
  • Multilingual Support: Supports both Chinese and English control commands.
  • Customizable Pin Header: The VC-01 supports customizable pin header welding for easy integration into various devices.
  • High Recognition Accuracy: Achieves a recognition rate of over 98% for reliable performance.
  • Fast Recognition Time: The recognition process takes less than 100ms.
  • Long-Range Wake-Up: Supports wake-up distance of up to 5 meters, ideal for voice control in larger environments.
  • Customizable Command Vocabulary: Supports up to 150 custom command words.
  • Wake-Up Word Learning: The system can learn wake-up words without the need to recompile firmware.
  • Offline Recognition: Performs offline voice recognition without requiring an internet connection.
  • RTOS SDK: Provides a complete SDK based on RTOS for easy development.
  • AEC Echo Cancellation & Noise Reduction: Supports AEC (Acoustic Echo Cancellation) and steady-state noise reduction for clearer audio input.
  • MIC Input & Dual DAC Output: Supports single MIC input and dual-channel DAC output for high-quality audio output.

Technical Specifications




Parameter Details
Core Chip US516P6
Voice Recognition Rate 98% or higher
Recognition Time <100ms
Wake-Up Distance >5 meters
Custom Commands Supports up to 150 commands
Wake-Up Word Learning No need for firmware recompilation
Voice Recognition Offline, no internet required
SDK Based on RTOS
Noise Cancellation Supports AEC and steady-state noise reduction
MIC Input Single MIC input
DAC Output Dual-channel DAC output

Pinout Description

Pin Number Pin Name Function Description
1 VCC 3.6V-5V power input
2 GND Ground
3 TX1 GPIO_B6/UART1_TXD, 3.3V logic level
4 RX1 GPIO_B7/UART1_RXD, 3.3V logic level
5 IOB8 IO/Virtual UART TX
6 IOA27 IO/US_SPI_MOSI
7 3V3 3.3V digital output
8 GND Ground
9 SCL_3.3 I2C communication (3.3V)**
10 SDA_3.3 I2C data input (3.3V)**
11 SCL_5V I2C communication (5V)**
12 SDA_5V I2C data input (5V)**
13 IOA25 IO/ADC4/SPI_MISO
14 MIC- Microphone Input (Negative)
15 MIC+ Microphone Input (Positive)
16 IOA26 IO/ADC5/SPI_CLK
17 DAC_L Audio Output (Left channel)
18 DAC_R Audio Output (Right channel)
19 SPK- Speaker Negative terminal
20 SPK+ Speaker Positive terminal

Applications

  • Smart Home Devices: For controlling devices such as lights, thermostats, and security systems via voice.
  • Wearable Electronics: Integrate the module into fitness trackers, smartwatches, and other wearable tech for voice control.
  • Voice-Controlled Gadgets: Can be embedded in various consumer electronics to allow hands-free control.
  • Offline Voice Assistance: Provide offline speech recognition in devices without requiring an internet connection.
  • Industrial and IoT Applications: Use the module for voice control in industrial settings, machinery, or IoT-connected devices.

Product Details

vc-01_v1.0.0_specification
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