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TWS Earbud Audio and Noise-Cancellation Test Solution
This solution integrates a high-precision audio analyzer, head and ear simulators, IEC 60318-4 / ITU-T P.57, high-isolation acoustic test box, multi-channel diffuse-field background-noise playback system, and Bluetooth RF protocol controller. It rigorously measures TWS earbud frequency response, THD+N, phase, ANC active noise reduction, PNC passive isolation, ambient/transparency-mode response, and ENC call-noise reduction for dual-microphone or multi-microphone designs, supporting R&D consistency and production-line quality control.