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.
by Oxford Wave Research Ltd.★ 3.174 ratingsEducationFreeData updated 2026-09-08
Tune guitar, bass, or other instruments using the device's microphone. Detect and adjust pitch with high precision. Supports multiple instruments including violin, viola, and wind instruments.
Measures sound levels in real-time using video and audio modes. Records video and audio simultaneously. Alerts users about noise exposure risks. Includes a built-in camera for location documentation. Allows sharing of recorded files.
Udio signals with adjustable parameters and frequency up to 20 kHz. Create single signals, sweeps, or merged signals. Control duty cycle, frequency, and waveform type. Export generated audio files.
Access movies and TV shows with free audio descriptions and closed captioning. Download assistive tracks from hundreds of titles. Sync tracks to the TV using device microphone. Provide feedback through email for feature improvements.
The app measures vibrations, shakes, and movements using the iPhone's accelerometer. It calculates energy and displays results on a logarithmic scale, offering signal filters, configurable settings, recordings, and CSV exporting.
Analyzes device motion using accelerometers and gyroscope. Displays time series data and frequency spectra via FFT. Supports external USB accelerometer. Applies Hamming window and removes DC bias. Tracks three-axis movement with 0.02g sensitivity.
Measure and display real-time frequency spectrum with Spectrum RTA. Calibrate monitor levels using the Level Meter. Determine optimal EQ presets with EQ Recommendation. Align monitors for accurate sound with Monitor Align.
Record audio with HI-FI lossless quality and noise reduction. Enhance human and choose mono or dual-channel recording. Add marks to highlight important sections. Convert recordings to text in real time.
Measures environmental noise and displays values through a gauge and graph. Shows current noise reference and min/avg/max levels. Allows device-specific calibration. Displays data in multiple formats.
Generate sine, square, sawtooth, and triangle tones across a wide frequency range. Adjust frequency by swiping up or down. Sweep sine frequency for hearing testing. Play tones to clean speakerphone dust and water.
Use sound waves to remove from speakers. Generate custom tones with adjustable frequencies and waveform shapes. Repel pests using specific sound frequencies. Test stereo sound output and measure ambient noise levels.