Audio, Video & Multimedia
Web Audio DSP nodes, FFmpeg video splitters, tone synthesizers, and media recorders.
Available Tools in this Suite
8 Utilities CatalogedAudio Tone Generator & Frequency Synthesizer
Generate pure sine, square, sawtooth, and triangle sound waves from 20 Hz to 20,000 Hz with real-time oscilloscope.
White, Pink & Brown Noise Audio Generator
Generate continuous white, pink, and brown noise with live spectrum visualizer for deep focus, sleep, and tinnitus masking.
Binaural Beats Generator & Brainwave Entrainment
Generate pure stereo binaural beats for Delta, Theta, Alpha, Beta, and Gamma brainwave states with real-time waveform display.
Interactive Audio Metronome & Tap Tempo
High-precision drift-free audio metronome (30 to 300 BPM) with tap tempo, accented beats, and time signatures.
Instrument Tuner & Pitch Detector
High-precision chromatic instrument tuner with live microphone pitch detection, cents deviation meter, and reference tones.
Microphone Audio Spectrogram & Frequency Visualizer
Real-time FFT audio spectrum waterfall visualizer analyzing microphone frequencies with color heatmaps.
Audio Decibel Meter & Sound Level Monitor
Real-time acoustic loudness measurement using microphone Web Audio RMS with peak tracking and OSHA safety alerts.
Stereo Audio Panning & Channel Tester
Verify headphone and speaker left/right channels, soundstage balance, and auto-sweep panning with test tones.
Audio, Video & Multimedia Architecture & Specifications
Local runtime benchmarks and security parameters for all Audio, Video & Multimedia utilities.
Real-World Workflows & Applications
Common technical problems solved with zero server dependencies.
Musical Instrument Tuning
Calibrate guitars, violins, or synthesizers to standard concert pitch (A4 = 440 Hz) using clean pure sine tone generation.
Acoustic Sound Masking
Generate calibrated White, Pink, or Brown noise to mask intrusive office chatter or improve deep study concentration.
Audio System Phase & Stereo Testing
Verify left/right speaker balance, headphone channel mapping, and frequency cutoff thresholds.
Standard Musical & Acoustic Frequencies
Standard specifications and quick-lookup reference table.
| Pitch / Tone | Frequency (Hz) | Audio Octave | Acoustic Characteristic |
|---|---|---|---|
| Sub-Bass Cutoff | 20–60 Hz | Octave 0–1 | Felt as physical vibration rather than pitch |
| Middle C (C4) | 261.63 Hz | Octave 4 | Center reference note on piano keyboard |
| Concert Pitch (A4) | 440.00 Hz | Octave 4 | Universal orchestral tuning standard (ISO 16) |
| Presence / Sibilance | 4,000–8,000 Hz | Octave 7–8 | Vocal clarity and consonant articulation |
| Human Hearing Cap | 16,000–20,000 Hz | High Treble | Upper limit of healthy human auditory perception |