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DNR65221_VC1

Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with USB and PDM Interface

DNR65221_VC1 Block Diagram

DNR65221-VC1 is a high-performance AI deep noise reduction product based on XMOS processor architecture, specifically designed to provide audio device manufacturers with exceptional audio processing capabilities. The product integrates two independently optimized AI noise reduction models.

  • The strong noise reduction model adopts deep neural network architecture, capable of effectively processing various stationary and non-stationary noise in complex acoustic environments, achieving maximum noise suppression while ensuring high vocal fidelity
  • The singing noise reduction model reduces processing latency to 11 milliseconds through lightweight design, effectively suppressing background noise while completely preserving singing characteristics.
  • The product supports PDM audio input and can output to USB interface, widely applicable to live streaming equipment, conference systems, recording devices, outdoor sports DVs, and many other application areas.

DNR65221_VC1 Product Brief DNR65221_VC1 Datasheet 🛒 Purchase Samples

Features and Specifications

  • AI Deep Noise Reduction
    • Eliminates various stationary and non-stationary noise, adapts to complex acoustic environments
    • Effectively eliminates burst noise such as keystrokes, keyboard sounds, and footsteps
  • Dual AI Noise Reduction Models
    • Strong noise reduction model suitable for complex acoustic scenarios: outdoor recording, gaming, etc.
    • Singing noise reduction model suitable for indoor live singing or interview scenarios
  • Ultra-Low Latency Real-Time Processing
    • Strong noise reduction model latency <50ms, meets audio-video synchronization requirements
    • Singing noise reduction model latency <11ms, meets strict live singing requirements
  • High-Fidelity Vocal Restoration
    • Strong noise reduction model completely preserves vocal characteristics
    • Singing noise reduction model not only completely preserves vocal characteristics but also completely preserves singing tail details
  • Supports UAC 2.0
  • Supports OTG connection
  • Plug and play, no driver installation required
  • Supports HID configuration
  • Supports multiple operating systems including Windows, Linux, Android, macOS, and iOS

Normal Operating Conditions

Function Minimum Typical Maximum Unit
Operating Temperature 0 - 70 ℃
3.3V Operating Voltage 3.0 3.3 3.6 V
1.8V Operating Voltage 1.62 1.80 1.98 V
0.9V Operating Voltage 0.855 0.90 0.945 V

Product Dimensions 13±0.1mm(L)X13±0.1mm(W)X0.8±0.1mm(H)

Noise Reduction Performance Comparison

Comparison Dimension Strong Noise Reduction Model Singing Noise Reduction Model Traditional Noise Reduction Technology
Technical Principle Deep neural network architecture, AI algorithm real-time analysis of spectral features, intelligent identification of vocal and noise components Based on strong noise reduction model, specially optimized for music scene processing, preserving singing pitch and timbre characteristics Frequency domain filtering method, based on statistical models and fixed algorithm parameters
Processing Latency < 50ms meets audio-video synchronization < 11ms ultra-low latency Medium latency
Noise Processing Capability Effectively processes stationary and non-stationary noise Specially optimized for music content processing Limited capability for non-stationary noise processing
Vocal Fidelity Completely preserves vocal characteristics Completely preserves singing tail details Possible audio quality loss
Environmental Adaptability Processes various complex acoustic environments Specially optimized for music scenarios Suitable for relatively stable acoustic environments
Typical Applications Outdoor live streaming equipment, gaming headsets, conference systems, professional recording equipment Indoor live streaming equipment, karaoke equipment, music recording, online interview systems Traditional telephone systems, simple conference equipment, basic audio processing

Documentation and Tools

Type Title Download
Product Datasheet DNR65221-VC1 Datasheet []
Reference Design []
Application Manual []
Type Description Download
Debug Tools Debug Tools
Drivers USB Drivers
Parameter Configuration Tool (HID) Product parameter configuration via HID Product Parameter and Configuration Tool

Application Scenarios

  • Live Streaming Equipment
    • Effectively suppresses various environmental noise, adapts to diverse live streaming scenarios
  • Gaming Headsets
    • Eliminates keyboard sounds, mouse clicks, and background noise, providing clear teammate communication experience
  • Outdoor Sports Equipment
    • Suppresses wind noise and environmental noise interference in sports scenarios, providing outdoor sports enthusiasts with clear call and recording experience
  • Outdoor Recording Equipment
    • Achieves high-quality recording in complex outdoor acoustic environments, meeting professional needs for on-site interviews and content creation
  • Conference System Equipment
    • Processes background noise such as air conditioning sounds and footsteps in office environments
  • Communication Equipment
    • Communication equipment suitable for business calls with strict real-time requirements, providing imperceptible latency voice processing experience

Ordering Information

Product Name Product Model Product Image
Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with USB and PDM Interface DNR65221-VC1 DNR65221-VC1

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