far-field-voice-speech-recognition-modules
                     www.dusuniot.com
Far-Field Voice & Speech 
Recognition Modules 
Quality Custom Voice Recognition Module Design and Manufacture. 
In-vehicle Smart 
Speech Recognition, ASR, Human-Machine Interaction, and Entertainment Healthcare
Intelligent Hardware Solution.
 Offline Voice Recognition Module
Offline & Online Voice Recognition Module 
Noise-canceling Microphone Array
Contact Us Smart 
Appliance
Far-field voice technology utilizes microphone arrays, signal processing, and speech recognition engines to capture, recognize, and 
understand user voice commands, allowing control of smart appliances from several meters away for a more convenient lifestyle.
Dusun IoT Far-Field Voice Recognition & Control Solution
Dusun far-field voice solution includes a variety of offline and online speech recognition module models. It supports customized wake-up and command 
words and can be integrated with devices from smart home, automotive, and medical equipment manufacturers. This solution reduces development 
costs for manufacturers, improves product development efficiency, and enhances the added value of products.
Low Cost
R & D
High Effeciency
Product
Dusun Voice Module Integration & Installation Smart Device Manufacturer High Added Value
Custom Wake / Command Words High Accuracy Long-Distance Pickup
Supports Over 200 Custom Up to 95% Wake & Recognition AI Noise Reduction 5-8 
Words Rate Proximity Wake-Up Meters
Full-Duplex Interaction Offline Speech Recognition Multilingual
Continuous Command Multi-intent Command Supports Chinese & English
Recognition Recognition
3-5 Meter 2-Microphone AI Noise Reduction 360-Degree
Effective Radius Microphone array Hign Accurace & Low False Omnidirectional 
Activation Rate Microphone
Dusun IoT Offline & Online Voice Recognition Modules
Offline Voice Module
On-device speech recognition technology that does not require internet or cloud services for speech recognition.

Low delay, low power consumption and high stability.
DSFF-060 DSFF-070 DSFF-100 
Main IC: YT2116
 Main IC: TH1520
 Main IC: YT2228

D/C: 5V
 D/C: 5V
 D/C: 5V

Protocol: Bluetooth
 Protocol: Bluetooth
 Protocol: BLE 5.0+2.1 EDR

Interface: Speaker out, SPK, UART,Power, Micro USB
 Interface: UART,Power, Micro USB
 Interface: Speaker out, UART,Power, Micro USB

OT: -20˚C ～ 70˚C
 OT: -20˚C ～ 70˚C
 OT: -20˚C ～ 70˚C

Dimension: 60*30mm
 Dimension: 50*25mm
 Dimension: 42*21mm

Feature: Strong anti-noise, full-duplex, wake-up at the Feature: Dual microphone array, used in smart small Feature: 100-200 offline commands, support classic 
nearest location, OTA, Non-smart small appliances appliances Bluetooth music playback, low-power Bluetooth 
access to IoT
DSFF-140 DSFF-150 DSFF-160
Main IC: YT2116
 Main IC: YT2116
 Main IC: YT2116

D/C: 5V
 D/C: 5V
 D/C: 5V

Protocol: Bluetooth
 Protocol: Bluetooth
 Protocol: Bluetooth

Interface: 2*Speaker out, SPK, UART,Power, Micro USB
 Interface: Speaker out, UART,Power, Micro USB
 Interface: Speaker out, UART,Power, Micro USB

OT: -20˚C ～ 70˚C
 OT: -20˚C ～ 70˚C
 OT: -20˚C ～ 70˚C

Dimension: 40*30mm
 Dimension: 40*30mm
 Dimension: 14*20mm

Feature: Highly cost-effective, within 100 wake words, Feature: Highly cost-effective, Customizable wake-up Feature: Highly cost-effective, Customizable wake-up 
Bluetooth can be connected to mobile phones and words within 100 words within 100
gateways
Offline & Online Voice Module
Front-end voice processing algorithms, cloud-based recognition. Supports 2.4G WiFi and Bluetooth connectivity.

Enables online music playback and weather query functionality.
DSFF-090 DSFF-091 DSFF-130
Main IC: TH1520+ESP32
 Main IC: TH1520+ESP32
 Main IC: RK3308H

D/C: 5V, 9-40V backup
 D/C: 5V, 9-40V backup
 D/C: 12V

Protocol: Wi-Fi
 Protocol: Bluetooth+Wi-Fi
 Protocol: Bluetooth+Wi-Fi

Interface: Speaker out, UART,Power, Micro USB
 Interface: Speaker out, UART, Micro USB
 Interface: SPK, UART,Power, Micro USB

OT: -20˚C ～ 70˚C
 OT: -20˚C ～ 70˚C
 OT: -10˚C ～ 60˚C

Dimension: 60*70mm
 Dimension: 60*70mm
 Dimension: 70*40mm

Feature:
 Feature:
 Feature:

· Support cloud skills (songs, weather news queries, · Support cloud skills (songs, weather news queries, · AiSpeech ASR support

etc.)
 etc.)
 · Support dual-microphone linear array acquisition, 
· Support dual-microphone linear array acquisition
 · Support dual-microphone linear array acquisition
 5W speaker output

· Full-duplex interaction
 · Full-duplex interaction
 · Support customization of wake-up words and 
· Support nearby wake-up
 · Support nearby wake-up
 command words

· Support customization of wake-up words and · Support customization of wake-up words and ·Supports RGB parallel LCD screen.
command words
 command words

· Support SRRC certification
 · Support SRRC certification

· Recognition rate in noisy environment is not less · Recognition rate in noisy environment is not less 
than 82%, and the recognition distance is 3 meters
 than 82%, and the recognition distance is 3 meters

· Recognition rate in quiet environment is greater than · Recognition rate in quiet environment is greater 
99%, and the recognition distance is 7 meters than 99%, and the recognition distance is 7 meters
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Voice Recognition Module Integration Services
Custom Wake / Protocol Development RF Design and 
Command Words RF CertificationCustom protocols or existing protocols 
Tailored to partners' needs based on partners needs RF-related certification support
Smart Electric Fans Smart Heaters Smart Drying Racks Smart Washing Machines Smart Vacuum Robots
Online Voice Control Product Development
Hardware / Software Professional Audio Certification Testing & 
Customization Tuning & Noise Testing Manufacturing
Tailored development based on Provided in certified audio testing Comprehensive certification and 
partners' needs facilities & environments production processes ensuring 
delivery quality
Smart Kitchen Speakers Smart Integrated Stoves
Dusun Far-field Voice Solution Process
Design & Development Prototype Development Mass Production
Requirements Confirmatio
Development Period: 2-5 weeks Production Test Scheme Suppor
IC Platform Selectio
Prototype Verificatio Cert & Technical Suppor
Wake-up word/command word 
Sample Test Guidance
 CE / FCC / SRRC / BQB, etc
customization
Trusted by Numerous Smart Device Manufacturers
Make Your Device Speech-recognizing
Dusun Far-field Voice Solution Use Cases
DSFF-100 DSFF-130 DSFF-060
Temperature Control Products Kitchen Appliances Sweeping Robots
Offline voice control Offline voice control
Open microwave door; Set Cooking Time Modes Sweeping robot power on/off, sound source 
positioning, 5-meter far-field interaction with effective 
Offline voice control Online cloud service (APP) noise elimination of itself and the environment
Device power on/off, gear adjustment, volume Recipe broadcast ; Cooking completion reminder
adjustment Online cloud service (APP)
DSFF-060
Smart Heaters Smart Clothes Drying Racks Car Entertainment Systems
Offline voice control Offline voice control Offline voice control
Device power on/off, humidity gear adjustment, and Clothes drying rack up/down, drying mode, Volume adjustment, music playback, voice 
light adjustment sterilization mode navigation, and phone call function
Transform Your Devices Smart Upgrade with Voice Recognition Module
Light Wall switch Power outlet Window curtains Air conditioner Fresh air ventilation TV
system
Air purifier Electric fan Water heater Electric heater Washing machine Gas stove Range hood
Oven Microwave oven Electric pressure Rice cooker Induction cooker Blending machine Robot vacuum 
cooker cleaner
Refrigerator Humidifier Essential oil Set top box Sensor Clothes Drying rack Smart door 
diffuser lock
One-stop Development for IoT Gateways, Industrial 
Motherboards & System on Modules. Turn IoT Device 
Development Process into Success.
Developing Now