# 噪声频谱仪

> 噪声频谱仪 (iPhone/iPad app by 宝良 陈.)

- Source: https://appshunter.io/ios/app/id6787120463 (this page in markdown: same URL + `.md`)
- Developer: [宝良 陈](https://appshunter.io/developer/6787040410)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 16.0 · 1 MB
- Languages: American English, Chinese (Simplified, China), Swedish
- Released: 2026-07-08
- Data updated: 2026-09-20
- User reviews in markdown: https://appshunter.io/ios/app/id6787120463/reviews.md

## What is 噪声频谱仪?

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。


## Version history (last 1 release)

### 1.0 — 2026-07-08

No release notes.

## More apps by 宝良 陈

- [Glow Handle](https://appshunter.io/ios/app/glow-handle/id6787334990)
- [Party Mahjong Table](https://appshunter.io/ios/app/party-mahjong-table/id6787618031)
- [ER PocketCards](https://appshunter.io/ios/app/er-pocketcards/id6790097942)

All apps by 宝良 陈: https://appshunter.io/developer/6787040410

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-20.*