速報APP / 教育 / Voice Spectrogram Logger

Voice Spectrogram Logger

價格:免費

更新日期:2019-03-21

檔案大小:16.9 MB

目前版本:1.3

版本需求:需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。

支援語言:日語, 英語

Voice Spectrogram Logger(圖1)-速報App

1. DESPLAY

The spectrogram of voice is displayed in the range of 20 - 2500Hz.

You can zoom in/out the spectrogram by pinching in/out smoothly.

Also landscape orientation is supported.

2. USEFUL

By moving "vivid" slider, the gradation of spectrogram is controlled.

The gradation is also controlled by moving "baseline" slider in "Setting" tab and selecting "Mean" or "RMS" as the way of smoothing the spectrogram out.

3. LOGGING

When "log" switch is ON, this app runs in the logging mode.

Voice Spectrogram Logger(圖2)-速報App

To choose a past log from "History" tab, you can pull it from iPhone via email as a PNG file.

4. AVAILABLE

Without cellular data service, the full functions are available.

This app is able to run on iOS 6.

The background processing is supported.

5. TECHNICAL NOTE

Sample rate: 44.1kHz

Bit depth: 32bit float

FFT window function: Blackman

Voice Spectrogram Logger(圖3)-速報App

FFT samples: 4096

支援平台:iPhone, iPad