噪声频谱仪
Utilities
Free
噪声频谱仪是一款面向家庭、办公室和设备噪声排查的声学测量工具。
它使用 iPhone 或 iPad 麦克风实时估算 A 计权声级，并提供 60 秒等效连续声级、最高/最低声级、峰值频率、时域波形、FFT 频率成分、时频图、频率密度曲线和频段能量谱。
你可以通过外部声级计输入参考读数进行声级校准，也可以用滑杆调整各图横轴和纵轴范围，观察不同频率成分和相对变化。
未校准时，绝对分贝数仅供粗略参考；频谱形状、峰值频率和相对变化更有价值。本应用不用于执法、验收、职业卫生或其他正式合规检测。
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The developer, 宝良 陈, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 宝良 陈
- Size
- 1 MB
- Category
- Utilities
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later.
- iPhone
- Languages
English and 2 more
- English, Simplified Chinese, Swedish
- Age Rating
4+
- 4+
- Copyright
- © 2026 Baoliang Chen