《噪音分贝测试仪》（以下简称“本应用”）非常重视用户的隐私与数据安全。本隐私政策将说明我们如何收集、使用和保护您的信息。使用本应用即表示您同意本隐私政策。
"Noise Decibel Meter" (hereinafter referred to as "the App") highly values user privacy and data security. This Privacy Policy explains how we collect, use, and protect your information. By using the App, you agree to this Privacy Policy.
最后更新 / Last updated: 2025-09-19
麦克风权限 / Microphone: 本应用使用设备麦克风来测量环境噪音分贝。数据仅在本地处理，不会录制、存储或上传到服务器。
The app uses your device microphone to measure environmental noise levels. The data is processed locally and is not recorded, stored, or uploaded to servers.
相机权限 / Camera: 拍照功能需要调用设备相机，用于生成带分贝水印的照片。照片仅保存在设备本地，不会上传或分享。
The app uses your device camera for taking photos with decibel watermark. Photos are stored locally and are not uploaded or shared.
存储/媒体访问 / Storage & Media: 用于保存生成的带分贝水印的照片。Android 10（含）及以上采用分区存储，无需额外存储权限；Android 9（含）及以下可能请求写入权限（WRITE_EXTERNAL_STORAGE）。所有数据保存在设备本地，不会上传或共享。
Used to save photos with decibel watermark. On Android 10+ we use scoped storage without extra storage permissions; on Android 9 and below the app may request WRITE_EXTERNAL_STORAGE. All data is stored locally and not shared.
收集的权限仅用于提供核心功能：测量噪音、拍照并生成水印图片。不会用于其他目的。
Permissions are only used for core functions: measuring noise, taking photos, and adding watermarks. They are not used for any other purposes.
本应用不会将任何个人信息、照片或麦克风原始数据上传、存储或分享给第三方。照片与测量结果均保存在您的设备本地。
The app does not upload, store, or share your personal information, photos, or raw microphone data with third parties. Photos and measurements are stored locally on your device.
第三方统计 / Analytics (Umeng): 在且仅在您于应用内明确同意后，我们会初始化友盟统计（Umeng）以帮助改进产品体验。可能收集的类别包括：设备信息（如设备型号、系统版本）、应用使用事件与诊断信息、广告标识符（如可用）。该数据用于统计分析，不用于个性化广告投放。您可在“设置”中随时撤回同意，撤回后将不再继续收集。友盟隐私政策：
https://www.umeng.com/page/policy。
Analytics (Umeng): Only after your explicit in-app consent, we initialize Umeng analytics to improve the product. Categories may include device info (e.g., model, OS version), app events and diagnostics, and advertising identifiers (where available). Data is used for analytics, not for personalized ads. You can withdraw consent anytime in Settings. Umeng privacy policy: https://www.umeng.com/page/policy.
本应用不会在服务器端存储任何数据。您的照片和测量结果均保存在设备本地，由您自行管理。
The app does not store any data on servers. Your photos and measurement results are stored locally and managed by you.
本应用不面向13岁以下儿童。若您是儿童用户，请在监护人指导下使用本应用。
The app is not intended for children under 13. Children should use the app under parental guidance.
我们可能根据功能调整或法律法规变化更新本隐私政策。更新后的政策随应用版本发布，请及时查看。
We may update this Privacy Policy based on feature adjustments or changes in laws and regulations. Updated policies will be published with app versions; please check regularly.
如对隐私政策有任何疑问或建议，请联系：
For any questions or concerns regarding this Privacy Policy, please contact us at:
邮箱 / Email: cxj303478208@gmail.com