ASR PRO Voice Recognition Module Voice Board Serial Port One Click Download Offline Voice Development Board Audio Deing Board

Model Number : ASR PRO voice recognition moduleBrand Name : occkic : Mainland ChinaCertification : noneFeatures: 1. Intelligent offline speech recognition module, free of learning and quickly generate firmware to complete development 2. High recognition rate, accurate recognition of repeated words, multiple entries, custom entries, up to 300 entries 3. -distance recognition, the recognition distance can reach 10m, the time delay is small, and the response time is less than 0.1S 4. Simplify peripheral components, built-in 2M/4M FLASH, no need for external crystal, built-in 3 high-performance LDOs, no need for external power chip 5. Single-chip application supports connecting many peripherals, rich peripherals, 3-way UART, 6-way PWM, 10 IO ports, multi-voice broadcast, supports Chinese, English and dialects, supports 18 kinds of broadcast tones: (1) ASRPRO-CORE core board Module model: ASRPRO-CORE-2M, ASRPRO-CORE-4M Dimensions: 18×23×2.9(±0.2)mm Working temperature -40°C-85°C Storage environment: -40℃-100℃500mA Support interface: UART/12C/PWM/SPI/GPIO Number of available I0 ports: 10 Serial port rate: default 9600bps SPI Flash: 2MB (built-in), 4MB (built-in)(2) ASRPRO development board Module model: ASRPRO-2M, ASRPRO-4M Size: 30×28(±0.2)mm Working temperature: -40℃-85℃ Storage environment: -40℃-100℃500mA Support interface: UART/12C/PWM/SPI/GPI0 Number of available I0 ports: 10 Serial port rate: default 9600bps SPI Flash: 2MB (built-in), 4MB (built-in)ASRPRO chip Recognition rate: more than 98% Recognition distance: up to 10 meters Recognition response time: less than 0.1S System frequency: 240MHz SRAM: 640KB FLASH: built-in 2MB/4MB two specifications Algorithm: Supports neural convolution operations such as DNNVTDNNIRNN, supports speech recognition, voiceprint recognition, speech enhancement, speech detection, single-microphone noise reduction enhancement, single-microphone echo cancellation, 360-degree omnidirectional sound pickup, etc. Clock: built-in high-precision RC oscillator, no need for external crystals and capacitors, and the temperature drift is less than 2% UART interface: 3 channels, up to 3M baud rate lIc interface: 1 way, can be extended by external IIC devices PWM interface: 6 channels, light control and motor applications can be directly driven GPIO ports: 10 channels, can be used as the main control I℃, some GPIOs support wide-voltage 5v level signal direct communication, no need for external level conversion Power supply range: supply voltage 3.6V-5V, supply current>500mA Working temperature: -40℃~85℃ Storage environment: -40℃~100℃