ESP Audio Analyzer
As smart audio devices develop rapidly and their application scenarios continue to expand, requirements for audio quality and system performance keep increasing. Espressif has introduced a new audio analysis tool that provides a convenient, efficient testing method and a standardized process. Combined with an intuitive web interface and companion test project, it supports standardized audio testing.
With this tool, users can comprehensively test key audio modules such as microphones, speakers, and AEC, quickly locating and troubleshooting system issues, thereby effectively improving development efficiency and product quality.
Links
Analysis platform: ESP Audio Analyzer
Companion test project: ESP Audio Analyzer Test Project
Platform Features
Comprehensive coverage: covers three major modules—microphone, speaker, and AEC—with 11 audio tests in total
Convenient adaptation: based on ESP Board Manager, supporting quick adaptation to different hardware
Performance analysis: provides audio metrics such as THD and SNR for evaluating system performance
Standardized process: provides unified test methods and evaluation criteria
Raw data download: supports exporting raw recording files for retesting and in-depth analysis
Visual reports: generates structured test reports containing data, charts, and test results
Test Items
Microphone tests
Microphone structural airtightness test
Microphone electro-acoustic characteristics test
Microphone frequency response curve test
Microphone noise floor test
Microphone array loudness consistency test
Microphone array frequency response consistency test
Microphone array phase consistency test
Speaker tests
Speaker electro-acoustic characteristics test
Speaker frequency sweep test
Speaker PA noise floor test
AEC test
AEC echo signal test