Teste de fone de ouvido
Reproduza tons dos canais esquerdo e direito, verifique a orientação estéreo e gere frequências de teste para verificações de fones de ouvido.
Interface de teste
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- Turn your system volume down before starting, then put your headphones on.
- Press Left to hear the left channel, then Right, and confirm both sides match.
- Run the channel sequence to verify stereo orientation, then raise the volume slowly.
- Use the frequency control for bass and treble checks, and stop playback when finished.
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Explicação técnica
Oscillators are created with the Web Audio API and connected to a stereo panner or channel splitter. A left test only feeds the left channel, so reversed wiring or a mono adapter becomes obvious.
Tones are digital signals produced by the browser. The tool cannot measure sound pressure level, frequency response, or distortion; those require calibrated audio equipment.
Solução de problemas
Sound only on one side
Check the headphone plug, adapters, and balance settings in the operating system. A mono adapter or faulty cable commonly causes this.
No sound at all
Confirm the correct output device is selected, the tab is not muted, and the volume is above zero.
Crackling or distortion
Lower the volume. Distortion at high levels may come from the headphones, the source, or the browser volume chain.
Bluetooth delay
Bluetooth headphones add latency. The delay test gives a rough indication but is not a wired-latency measurement.
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