Privacy Policy

Welcome to Microphone Test (hereinafter referred to as "we," "us," or "this website"). We take your privacy very seriously. This Privacy Policy is intended to explain how we collect, use, store, and protect your personal information, and the rights you have when using microphone-related features.

This website is a free online microphone test platform, offering tools such as microphone sound test, recording test, microphone spectrum test, microphone clipping test, microphone device function detection, microphone DSP test, microphone signal-to-noise ratio test, microphone popping detection, microphone abnormal sound detection, and microphone distortion detection. You can use all features without registering or logging in. Please read this Privacy Policy carefully to understand how we handle your information.

1. Information We Collect

1.1 Information You Actively Provide

Since this website can be used without registration or login, we do not collect personal information you actively provide, such as your name, email address, or phone number. If you contact us by email, we will only use the email address you provide to reply to your question.

1.2 Microphone Permission and Audio Data

When using the microphone test tools, the browser will request your permission to access the microphone device. This authorization is entirely triggered by you, and we will not automatically request or access the microphone without your consent.

• Local processing: All microphone audio data is processed locally in your browser in real time and will not be uploaded to our servers.
• No recordings saved: Unless you actively use the "Recording Test" and choose to download, we will not save, store, or share any of your recording content.
• Controllable permission: You can revoke microphone permission at any time in your browser settings. After revocation, the related test features will no longer be available.

1.3 Automatically Collected Information

When you visit and use this website, we may automatically collect the following technical information through third-party analytics tools:

• Device information: Including device type, operating system version, browser type and version, screen resolution, etc.
• Usage data: Including visit time, visit duration, pages visited, tools used (such as microphone sound test, spectrum test, etc.).
• IP address: Your IP address is anonymized and used for approximate geographic location analysis and abuse prevention.
• Cookies and similar technologies: We use cookies to remember your language preference and site settings.

2. How We Use Information

The purposes for which we collect the above information include:

• Improving and optimizing the website's user experience and tool performance;
• Analyzing user behavior to understand which tools are most popular (such as microphone sound test, spectrum test, etc.);
• Maintaining website security and preventing malicious attacks and abuse;
• Remembering your language preference and providing a personalized experience;
• Counting website visits and usage trends.

3. Third-Party Services

This website uses the following third-party services, which may set cookies or collect anonymous usage data on your device:

• Google Analytics: Used to analyze website traffic and user behavior. The information collected by Google Analytics is anonymous and will not be linked to your personal identity. View Google Privacy Policy
• Google AdSense / Advertising Services: This website may display ads through advertising platforms such as Google AdSense. To deliver ads, measure ad effectiveness, and show ads relevant to you, Google and other third-party ad vendors use cookies (such as the DART Cookie, etc.) to place and read identifiers on your browser, or use web beacons, IP addresses, and other technologies to collect information. You can visit Google Ads Settings at any time to turn off personalized advertising.
• Vercel / Netlify: Website hosting services, which may collect standard access logs.

We only select reputable third-party service providers and require them to comply with applicable privacy laws and regulations.

4. Use of Cookies

Cookies are small text files stored on your device. This website uses cookies to:

• Remember your chosen language preference (Chinese or English);
• Analyze website usage to improve our services;
• Be used by third-party ad vendors (such as Google) for ad delivery, ad effectiveness measurement, and remarketing.

You can manage or disable cookies through your browser settings. However, please note that disabling cookies may affect the normal use of certain features (such as language preference memory).

5. Consent for EU / UK Users

For users located in the European Economic Area (EEA), the United Kingdom, and Switzerland, we will obtain your consent in accordance with the law before using cookies or serving personalized ads. You can withdraw your consent or manage your preferences at any time through the cookie banner or the methods provided on this page and in the Cookie Policy.

6. Data Storage and Security

We take reasonable technical and organizational measures to protect your information from unauthorized access, disclosure, alteration, or destruction. These measures include:

• Using HTTPS to encrypt all data in transit;
• Anonymizing collected IP addresses;
• All microphone test tool data is processed locally in your browser and does not pass through servers;
• Restricting internal access to analytics data.

Please note that although we strive to protect your information, no method of internet transmission or electronic storage is 100% secure.

7. Information Sharing and Disclosure

We do not sell, trade, or rent your personal information to third parties. We may share information in the following circumstances:

• Legal requirements: When laws, regulations, legal proceedings, or government requirements require us to disclose information;
• Service providers: Sharing necessary information with trusted third-party providers that help us operate the website (such as website analytics);
• Business changes: If this website undergoes a merger, acquisition, or asset sale, your information may be transferred as an asset.

8. Children's Privacy

This website is not designed for children under the age of 13, and we do not knowingly collect personal information from children under 13. If you are a parent or guardian and discover that your child has provided personal information to us, please contact us through the contact information below, and we will promptly delete the relevant information.

9. International Users

This website is accessible from around the world and supports both Chinese and English. If you access this website from another country/region, please note that your information may be transferred to and stored on servers located outside your country/region. By using this website, you consent to such information transfers.

10. Your Rights

Under applicable privacy laws, you may have the following rights:

• Access and obtain a copy of the information we collect about you;
• Request correction of inaccurate information;
• Request deletion of your information;
• Withdraw consent (where applicable).

Since we do not collect personally identifiable information, the practical scope of these rights is limited. To exercise your rights, please contact us through the contact information below.

11. Contact Us

If you have any questions, comments, or suggestions about this Privacy Policy, or need to exercise rights related to your personal information, please contact us through the following methods:

• Website: https://microphonetest.cn
• Email: [email protected]

We will respond to your request within a reasonable time.

12. Updates to This Privacy Policy

We may update this Privacy Policy from time to time. The updated policy will be posted on this page, with the "Last Updated" date revised. We recommend that you check this page periodically for any changes. We will notify you of significant changes through website announcements.