Embidio Hub

Centralized USB Audio & Voice Integration Hub

embidio hub

Feature Highlights

  • USB Audio Class 1.0 / 2.0 interface for easy host connection.

  • Dual microphone array connections (up to 8 mics) for 360° recording.

  • Advanced signal processing (Beamforming, Noise Reduction, AEC) onboard.

  • Customizable software modules for tailored voice interactions.

  • Multiple control interfaces (I2C, SPI) via 20-pin connector.

  • Stereo speaker output (2 x 4W).

  • Firmware updatable via USB or SPI.

Easy USB Integration

Acts as a standard USB audio module for quick setup and control via computer (Linux, Windows, MacOS).

Flexible Mic Placement

Offers exceptional flexibility in positioning up to two microphone arrays (8 mics total) for optimal voice capture.

Industrial Grade

Specifically designed for reliability in industrial and business applications, powered by a robust XMOS core.

Rapid Prototyping

Ideal for quickly developing and testing voice control concepts in prototypes, pilots, and small series.

Example Applications

  • Smart Speaker Prototypes

  • Voice Assistant Development Systems

  • Custom Voice Recording Devices

  • Voice Conference System Pilots

  • Hands-Free Control Interfaces

  • Meeting Room Communication Devices

  • Interactive Kiosks and Robotics

embidio hub

Technical Specifications

Highlights

  • Microphone Input
    Up to 8 digital MEMS via 2 array connectors
  • Speaker Output
    2 x 4 W Stereo
  • Audio Interface
    USB Audio Class 1.0 / 2.0
  • Control/Expansion
    20-pin connector (SPI, I2C), I2C Control
  • OS Support (Audio)
    Linux, Windows, MacOS
  • Firmware Update
    USB / SPI (Linux, Windows support)

Physical Data

  • Dimensions
    67 x 53 x 12 mm
  • Weight
    19.9 g
  • Operating Temperature
    0°C to 70°C
  • Power Supply
    5 V/DC via USB or Pin
  • Power Consumption
    ~1W - 2W (dependent on use)

Audio Processing Core

  • Input Channels
    Up to 8
  • Output Channels
    2 (Stereo)
  • Sampling Rates
    16 / 48 kHz
  • DSP Features
    Beamforming, Noise Reduction (NR), Acoustic Echo Cancellation (AEC), AGC, EQ, etc.

Signal Processing Details

  • Beamformer
    Focuses on the speaker in noisy environments.
  • Noise Reduction
    Suppresses stationary background noise.
  • Acoustic Echo Cancellation (AEC)
    Prevents feedback during playback.
  • Automatic Gain Control (AGC)
    Optimizes signal amplitude.
  • Equalizer (EQ)
    Fine-tunes sound output.
  • Additional DSP
    Far End NR, Comfort Noise, DC Filter, Leveler, Acoustic Echo Suppression.

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