publisher
category
price
Free (IAP)store
Reviews
4.7 (239)
United States
Description
Sound FFT viewer / analysis
This app supports simultaneous display of "audio waveform" and "amplitude spectrum" (size of FFT calculation result for each frequency) for audio signals input from a microphone. (FFT: Fast Fourier Transform) [Features] - Supports simultaneous display of audio waveform / amplitude spectrum. - Supports orientation both portrait and landscape. - Selectable configuration of audio waveform / amplitude spectrum display. - Selectable FFT size. - Selectable window function (used in amplitude spectrum calculation) - Displays the peak level and its frequency of the amplitude spectrum. - Generates the audio signal (4 types of waveform) - Generates the noise signal (white noise, pink noise) [Setting items] Screen structure : Screen configuration can be selected. - Wave: Display audio waveform only. - Spectrum: Display amplitude spectrum only. - Vertical: Display audio waveform / amplitude spectrum vertically. - Horizon: Display audio waveform / amplitude spectrum horizontally. FFT size : Selectable FFT size. (number of samples used when performing FFT) 1024, 2048, 4096, 8192 The smaller the FFT size value, the faster the display updates, but the fewer frequencies the amplitude spectrum can be acquired. The larger the FFT size value, the slower the display updates, but the more frequencies the amplitude spectrum can be acquired. Window function : Selectable window function (multiplication just before FFT) used for amplitude spectrum calculation. - Hann: Hanning window - Hamm: Hamming window - Blkman: Blackman window - None: No window function Generates the audio signal : Generates the audio signal of the selected waveform. - There are 4 types of waveform. (Sine, Triangle, Squire, Saw) - It can set the value of the frequency in 20Hz - 20000Hz. Generates the noise signal : Generates the selected noise signal. - There are 2 types of noise. (White noise, pink noise) - The volume can be adjusted. [Other] - It can reduce / enlarge the screen in the Y direction by pinching in / out. (0.5 - 2.0) - The vertical line spacing in the audio waveform display is 2 mSec. - The amplitude spectrum calculation uses the vDSP library. - Supports selecting Bluetooth connection policy. (None, HFP, A2DP) If you need multi audio signals, please try "Multi Wave Oscillator" from the link on the setting screen in this app. This app generates the audio signal (Sine, Triangle, Squire, Saw) of 6 channels. This app can hide advertisements with In-App Purchase. If you like this app, we hope you can use it.
Category Ranking
Review Breakdown
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Reviews
No AirPod support
Kind of a bummer because the rest of the app is nice. The function to generate a frequency tone is great, but it lacks AirPod functionality. AirPods work on every app but this app disconnects them and the sound plays from the phone speaker
opathosWed, Nov 1, 2023
United States
Jason Christian Tucker 9645
Thank you! I don’t understand how to rate? Welcome!
Jason Christian TuckerTue, Oct 3, 2023
United States
Frenkeaudio
Exceptional
FrenkeaudioSun, Nov 13, 2022
United States
getting better :)
michael petrov 06/9/22 830pm
блььььFri, Jun 10, 2022
United States
It works
It works but one feature I would add would be options for selecting an audio file to analyze or using some other input sorce other than the microphone
56wrty329Sat, Jan 2, 2021
United States
Download & Revenue
About
Bundle Id
com.loopsessions.AudioSpectrumAnalyzerMin Os. Version
15.0Release Date
Mon, May 18, 2020Update Date
Thu, Dec 28, 2023Content Rating
4+Has IMessage
NoSupport Watch
NoSupport Siri
NoFile Size
4.88MBHas Game Center
NoFamily Sharing
YesSupport Passbook
NoSupported Languages
English, JapaneseSupport
What's New
version
1.6.2updated
4 months agoFixed minor behavior.
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