Noise Spectrum Logger 4+

Yukiko Iwai

專為 iPad 設計

    • 免費
    • 提供 App 內購買

簡介

1. DESPLAY
The power spectrum of sound is displayed in the range of 20 - 20000Hz.
You can zoom in/out the spectrum by pinching in/out smoothly.
Also landscape orientation is supported.

2. USEFUL
While "hold" switch is ON, the maximum values are displayed in red color.
You can select "Mean" or "RMS" as the way of smoothing the spectrum out.

3. LOGGING
By sliding "log" switch, the logging mode is started.
To choose a past log from "History" tab, you can pull it from iPhone via email as a CSV file.
The CSV file can be edited with Excel etc.

4. AVAILABLE
Without cellular data service, the full functions are available.

5. BACKGROUND PROCESSING
You can use the logging function even when iPhone in your pocket.

6. TECHNICAL NOTE
Sample rate: 44.1kHz
Bit depth: 32bit float
FFT window function: Blackman
FFT samples: 8192

新內容

版本 2.1

Recompiled using Xcode 15.3 with the latest libraries.

App 隱私權

開發者「Yukiko Iwai」指出 App 的隱私權實務可能包含下方描述的資料處理。如需更多資訊,請參閱開發者的隱私權政策

不收集資料

開發者不會從這個 App 收集任何資料。

隱私權實務可能因你使用的功能或你的年齡等因素而有所不同。進一步瞭解

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