Spectrogram was a music & audio app developed by Galmiza. It was removed from Google Play Jan 31, 2023 and is no longer available for download.
Download Statistics
Spectrogram had been downloaded 220 thousand times before it became unavailable.
User Ratings
Spectrogram was rated 4.09 out of 5 stars, based on 820 ratings.
App Information
Spectrogram was free to download. The APK download size was 1.14 MB. The last available version was 1.1.1. The last update was on September 9, 2017.
Technical Requirements
Spectrogram required Android 2.3+ or higher. The app had a content rating of Everyone. The app had been available on Google Play February 2014.
Description
Spectrogram is a … spectrogram viewer which allows time frequency analysis. -FFT resolution from 32 to 65536 -9 window algorithms to reduce spectrum leakage -fast pause/resume button -day or night mode
Note that amplitude value is not displayed because would cannot be accurate without calibration for your device.
Feel free to contribute to the development of the app: https://bitbucket.org/galmiza/spectrogram-android
Recent changes: Corrected audio wave rendering. The time view frame represents the signal sample being processed by FFT. Its duration is given by "frame length".
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★★★★★
Great for looking at hidden images. I played the Minecraft cave sounds and found a creeper face.
★★★★★
Well, it works
★★★★★
the log scale measurements are glitching for me (which is required to see any low frequencies) Other than that, simple and straightforward with everything I need. 5 stars if that can be fixed
★★☆☆☆
Works but could use a lot of improvements as the spectrogram is so tiny, the top bar and utterly unnecessary oscilloscope take valuable screen space. Log mode stops showing frequency bar on the right.
★★☆☆☆
You cannot put sound files in the spectrum
★★☆☆☆
Not useful for linguists. The scale of the x axis is more than 10 seconds and you can't zoom in, meaning you won't get a useful look at any phenomena with timing on the order of milliseconds. Seems like it was designed for musicians, but it would be nice if it were usable for other things, too. The ability to record a short token and zoom in on the spectrogram in one- or even half-second increments would be ideal.
Technologies used by Spectrogram
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