Audio 工具
Mic level meter, headphone and speaker diagnostics, approximate dB readout from the microphone, stereo sweeps, and low-frequency sine tests—all in your browser tab.
Mic 测试器Live microphone level meter 和 peak readout via Web Audio—no recording 或 upload.使用 →Headphone / Speaker 测试器Stereo tones, sweep, balance demo, pink noise visualization, 和 quick L/R/Both playback checks in-browser.使用 →Decibel MeterRelative dB SPL style readout 从 the mic 和 rolling average—browser-only comparison aid.使用 →声音 测试Left / right / both / ping‑pong channel check plus logarithmic sweep 从 100 Hz 到 10 kHz.使用 →Bass 测试Sine presets 和 sweeps 从 20 Hz–200 Hz 到 stress subwoofers, monitors, 或 bass‑capable headphones.使用 →Frequency Response 测试Log-scale 20 Hz–20 kHz sweep 和 hearing-limit markers, manual tone hold, 和 estimated age ceiling readout.使用 →Auditory Reaction Time 测试React 到 a random-delay 880 Hz beep; tracks last, average, best, 和 worst over five rounds 和 false-start detection.使用 →Surround 声音 测试Walk tones through 5.1 或 7.1 channels (或 stereo pan fallback) 到 verify speaker wiring 和 OS channel mapping.使用 →Pitch 检测器Live mic autocorrelation tuner: Hz, note, octave, cents, 10 s pitch graph, 和 2 s hold-peak 用于 vocals 或 instruments.使用 →Hearing Age 测试12-step mosquito-tone screening 从 8–20 kHz plus manual 8–22 kHz slider 到 estimate high-frequency hearing age.使用 →