Voice Spectrogram Logger 4+

Yukiko Iwai

Designed for iPad

    • 1.0 • 1 Rating
    • Free
    • Offers In-App Purchases

Screenshots

Description

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.
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.
The background processing is supported.

5. TECHNICAL NOTE
Sample rate: 44.1kHz
Bit depth: 32bit float
FFT window function: Blackman
FFT samples: 4096

What’s New

Version 1.8

Recompiled using Xcode 15.3 with the latest libraries.

Ratings and Reviews

1.0 out of 5
1 Rating

1 Rating

N34674 ,

Missing logarithmic functionality

On the iPad Air 5, the logarithmic measurements show gaps in the measurements that look like single lines going across the screen instead of a full spectrum that appears when in linear mode.

App Privacy

The developer, Yukiko Iwai, 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.

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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