Is this tool free to use?

Yes, this tool is completely free to use. No registration, subscription, or payment is required. All processing happens directly in your browser.

Does this tool upload data to a server?

No. All processing happens locally in your browser using JavaScript. Your data never leaves your device, ensuring complete privacy and security. The tool works even when offline.

Does this tool work on mobile devices?

Yes, this tool is fully responsive and works on all modern browsers including Chrome, Safari, Firefox, and Edge on desktop, tablet, and mobile devices.

Is an internet connection required to use this tool?

No internet connection is required after the page loads. Since all processing happens in your browser, you can use this tool offline once the page is loaded.

Is there a file size limit?

There is no server-side file size limit since files are processed locally in your browser. The only limitation is your device's memory (RAM). For very large files, we recommend processing them in smaller chunks.

👂 Hearing Test

Free online hearing test. Evaluate your hearing range by playing sounds at different frequencies and volumes. Supports left/right ear testing with audiogram chart. Uses Web Audio API.

Select Ear

Start Frequency (Hz)

125 Hz1000 Hz16000 Hz

Volume

0 dB30 dB60 dB

Quick Frequency Test

💡 Tip: Use quality headphones in a quiet environment. This test is for reference only and cannot replace professional hearing examination.

How to Use the Hearing Test

Validate your content with the Hearing Test in three steps:

Enter Content to Validate
Type, paste, or upload the content you want to validate into the input area. The tool accepts direct text input and file upload for batch processing.
Run Validation
Click the "Validate" or "Check" button to analyze your content. The tool performs a thorough check and provides detailed feedback, including error locations and suggested fixes.
Review Results
View the validation results, including any errors, warnings, or success messages. If errors are found, the tool highlights their exact location to help you fix them quickly.

FAQ

听力测试准确吗？

本测试使用Web Audio API生成精确频率的声音信号，可用于初步评估听力范围。但请注意，这不能替代专业听力检查。建议在安静环境下使用耳机测试，结果仅供参考。

需要戴耳机吗？

强烈建议使用耳机进行测试，因为耳机可以隔离环境噪音并分别测试左右耳。使用扬声器测试时，环境噪音和声场反射会影响测试结果的准确性。

测试频率范围是多少？

测试覆盖125Hz到8000Hz的频率范围，这是人类听力最关键的频率区间。20岁以下健康听力通常可以听到20000Hz，但年龄增长会导致高频听力逐渐下降。

👂 Hearing Test

How to Use the Hearing Test

FAQ

听力测试准确吗？

需要戴耳机吗？

测试频率范围是多少？

数据安全吗？