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聲學實驗室

The ASE Acoustic Laboratory (A-Lab) is dedicated to providing electro-acoustic device characteristics design, analysis and characterization in terms of simulation and measurement techniques. ASE A-Lab works closely with customers for the electro-acoustic device design optimization, module analysis, active noise cancellation (ANC) tuning and hearing aid tuning, and electro-acoustic device solutions.

ASE A-Lab can provide complete acoustic information that allows manufacturers to better understand the characteristics of products, thereby improving the overall product quality.

 

 

Design & Simulation Service
Measurement Service

Audio Service

  • ANC Filter Design and Characterization
  • Personal Sound Amplification Product (PSAP)
    Filter Design and Characterization
  • Equalizer
    (Audio, Voice, Hear Through)

Hearing Aid Service

  • Wide Dynamic Range Compression
    (Millisecond Frequency Adjustment (MFA) Target, Gain)
  • Adaptive feedback cancellation
    (Howling prevention, MIC Design)
  •  

Electro Acoustic Service

  • Frequency response
    (20Hz to 20kHz)
  • Sensitivity
    (94dB SPL@1Watt/1m)
  • Noise floor Total Harmonic Distortion
    (THD) Sound Pressure Level (SPL)

Hearing Aid

  • Max Output Sound Pressure Level 90 (OSPL90)
    Full-on Gain 50 (FOG50)
    Frequency Response at 60dB SPL input (RESP60)
  • Reference Test Gain (RTG)
    Total Harmonic Distortion (THD)
    Equivalent Input Noise (EIN)

Acoustic Mechanism

  • ComponAirtight Evaluation
    (ANC FeedForward(FF) MIC)
  • Isolation Evaluation
    (SPK To FF MIC)
  •  
  •  

 

Characterization Services Summary

Design & Simulation Services
Measurement Services
  • Acoustic Mechanism Design
    1. Recommend for Speaker Frequency Response (FR)
    2. Microphone position
    3. Airtight & Isolation
  • Active Noise Cancellation tuning
    1. Filter design
    2. Feedback MIC filter / Gain / Q
    3. Feedforward MIC filter / Gain / Q
  • Equalizer tuning
    1. Audio
    2. Voice
    3. Hear Through
  • Hearing Aid Tuning
    1. WDRC
    2. MFA Target Frequency
    3. Adaptive Noise Reduction (ANR)
    4. Instance Noise Reduction (INR)
    5. Adaptive Feedback control (AFC)
  • 20Hz to 20kHz Frequency response measurement
  • Sensitivity & THD & Relative level measurement
  • Nosie floor measurement
    1. Printed Circuit Board Assembly (PCBA)
    2. ANC on/off
    3. Advanced Audio Distribution Profile (A2DP) & Hands-free Profile (HFP) mode
  • Airtight & Isolation measurement
  • MA OSPL90 & FOG50 & RESP60
  • RTG & EIN

 

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