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用麦克风环路对耳机做频响扫频曲线、声道平衡与相位、THD 失真测量，并保存与导出测试报告。
How to measure
Mic not grantedPut on/position the headphones and hold your device microphone near the earcup in a quiet room. The tool plays test signals and the mic captures them for a relative measurement (not lab-calibrated).
Plays a 20Hz–20kHz log sweep and plots the relative frequency response to locate dips and defects.
Press the button below to start the sweep
Measurements rely on the device microphone and are uncalibrated — results are relative references, not lab-grade absolute accuracy.
Headphone Test
Quickly test headphone connection and left/right audio channels to troubleshoot device issues. Supports both wired and Bluetooth headphones.
Chinese to Pinyin Converter
Convert Chinese characters (Hanzi) to Pinyin with tone marks or numbers. Features smart polyphone recognition and a dedicated name mode.
Random Chinese Name Generator
Bulk generate random Chinese names by gender, length, and surname for novels, games, and character design.
普通的耳机检测只是放几段声音让你"听一听"；专业版则用麦克风环路做客观测量，把"感觉不对"变成"测得出"。它运行在浏览器里，无需安装，核心能力包括：
戴好或放好耳机，把设备麦克风靠近耳罩，在安静环境下操作：
本工具是基于设备麦克风的相对测量，麦克风未经校准，不等于实验室级绝对频响。它擅长发现"缺陷、偏差、变化"（声道差、相位反、频段凹陷、煲机前后对比），而非给出绝对的声压级或认证曲线。手机/笔记本内置麦克风精度有限，建议安静环境、麦克风贴近耳罩，必要时与一副已知正常的耳机做对照。
为什么要把麦克风靠近耳罩？
耳机的声音要先经空气进入麦克风才能被测量，靠得越近、环境越安静，曲线越准。
导出的报告能做什么？
CSV/JSON 含每次测量的关键指标与曲线数据，可用于质检留档、二手交易验机取证、或多副耳机横向对比。
支持蓝牙耳机吗？
支持，但蓝牙的延迟与 DSP 处理会影响测量稳定性，优先用有线耳机，或关闭蓝牙耳机的"音效增强"。
