CV180X & CV181X Audio Quality Tuning User Guide

Revision History

Revision	Date	Description
0.0.0.0	2021/10/22	Initial
0.1.0.0	2022/05/31	Request review version
v0.2	2022/08/08	update

Contents

• 1. Disclaimer
• 2. Introduction
  • 2.1. Overview
    • 2.1.1. The Function of AEC
    • 2.1.2. Basic Requirement for Algorithm
    • 2.1.3. Ideal Debug Environment Requirements
• 3. Echo Cancellation Debugging
  • 3.1. Basic Check
  • 3.2. Echo Parameter (under the non-ideal debugging result)
• 4. FAQ
• 5. VQE Algorithm Function Introduction
  • 5.1. Voice Quality Enhancement (VQE)
  • 5.2. AEC/AES (Acoustic Echo Cancellation/Acoustic Echo Suppression)
  • 5.3. NR (Noise Reduction)
  • 5.4. AGC (Automatic Gain Control)
  • 5.5. Notch Filter
  • 5.6. DG (Digital Gain)
  • 5.7. Delay
  • 5.8. Equalizer
• 6. Block Diagram:
  • 6.1. Detailed Code Explanation