Displays sound waveforms and spectra using Fourier transform. Identifies frequency characteristics and detects peaks. Supports pinch zoom gestures for detailed analysis. Assists in sound adjustment and howling prevention.
by Eisaku Nozu★ 4.316 ratingsUtilitiesFreeData updated 2026-09-10
Analyze audio signals with FFT spectrum analysis and oscilloscope display. Generate test signals and measure frequency responses. Sync FFT sweeps for real-time frequency characteristic observation. Input signals via connected devices.
Calculate with a dual-line display showing input and result simultaneously. Use percentage and backspace functions. Switch between 18 color themes. Enter multi-line equations. Automatically format scientific expressions.
Measure sound levels using the built-in microphone. Display decibels in dBA with a digital readout. Show minimum, average, and maximum values. Visualize sound levels with a graph line.
The app displays audio frequencies up to 20 kHz on an iPad, iPhone, or iPod Touch. Users can adjust frequency span, FFT size, and apply filtering for smoothing.
Test audio output with customizable sound tones to evaluate speaker performance. Measure decibels and hertz using a built-in sound level meter. Check microphone quality by analyzing sound input levels.
Udio tones with adjustable frequency, amplitude, and waveform selection. Choose from sine, square, sawtooth, and triangle waveforms. Test audio equipment, tune instruments, or use for sound therapy. Control settings through an intuitive interface.
The app provides real-time spectrum analysis using Fourier Transform. It offers various display modes, including octave bands and spectrograms, with multi-touch magnification and noise cancellation features.
Pets with live HD video, audio, and motion detection. Record videos and photos during monitoring. Hear barking, howling, and whining. Track calmness through motion analysis. Use older iOS devices as cameras.
Measure and analyze sound with real-time decibel readings and color-coded safety indicators. Track minimum, maximum, and average levels. Save measurements with location and notes. Receive warnings at dangerous sound levels.
The app provides real-time audio analysis for musicians and recording engineers. It enables portable, precision audio measurement and visualization for tasks like room or speaker tuning.
Solve math problems with natural textbook input and fraction support. Trace graphs with touch. Zoom using pinch gestures. Tap for regression analysis. Swipe to scroll through calculation history and matrices. Access help via the ? key.
Measure acceleration, orientation, and motion with built-in sensors. Record and analyze real-time data for experiments. Detect and generate sound tones. Visualize audio waveforms. Export measurements and graphs for scientific use.
Clean speakers and headphones using sound waves to remove dust and moisture without disassembly. Perform automatic or manual cleaning with scheduled reminders. Conduct basic sound tests to check speaker functionality.
Write notes with natural gestures and minimal buttons. Adjust font size via pinch-to-zoom. Slide notes aside to hide the keyboard. Flip through notes with finger flicks. Customize text appearance without predefined fonts or paper styles.
Sound levels with SPL metrics including current average, peak, average maximum, and absolute maximum. Display graph histograms for level changes. Save measurements and reset maximum values by tapping. Support upside down orientation for easy use.
Visualize real-time audio frequencies with a spectrogram and spectrum analyzer. Adjust sample rate and frequency resolution. Identify sound frequencies, measure vocal range, and analyze audio input.
Play sounds to deter mosquitoes. Adjust volume and frequency settings. Access tips for avoiding bites. Learn about prevention methods. Use as a playful tool without medical claims.