Method and system for testing noise reduction effect of ENC through electroacoustic test equipment
The invention provides a method and system for testing the noise reduction effect of an ENC through electroacoustic testing equipment. The scheme comprises the following steps: acquiring a database of all human voices, and generating standard artificial mouth data and earphone artificial mouth data...
Gespeichert in:
Hauptverfasser: | , , , |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | The invention provides a method and system for testing the noise reduction effect of an ENC through electroacoustic testing equipment. The scheme comprises the following steps: acquiring a database of all human voices, and generating standard artificial mouth data and earphone artificial mouth data after extracting and playing a single human voice; acquiring all environment databases, extracting front-section noise and rear-section noise, and fusing the front-section noise and the rear-section noise to generate a standard noise signal and an earphone noise signal; obtaining an earphone noise signal, and extracting a first bat fluctuation, a second bat fluctuation and an environment replacement moment according to a noise time sequence; carrying out online wave recording proportion adjustment and noise prediction at future moments, and generating a first wave recording proportion and a wave recording difference value at the next ten o'clock; acquiring the single human voice, the front-section noise and the rea |
---|