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Swan | Audio Tests | Audio spectrum analyzer
Loud sounds can cause equipment/hearing damage with even a single, brief exposure. Always turn your audio system level down to a reasonable level, before playing our sound files.
Tool Description
Perform spectral analysis on the sound picked up from the device or computer microphone. To start the program, you must switch the microphone on/off button below. When the computer prompts you to allow access to the microphone, click 'Yes' or 'Allow'; Try all configuration options in real time; An additional frequency oscillator node is connected to the analyzer to generate test tones; The callback function is used to add custom features using analyzer data.
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Load audio file:
FFT
Frequency range & scaling
Sensitivity
Linear amplitude
Overlay mode
modes 1-8 only
mode 10 / outlineBars
Radial spectrum
Reflex & Mirror
Switches & read-only flags

isAlphaBars isBandsMode isDestroyed isLedBars isLumiBars isOctaveBands isOutlineBars isRoundBars isOn
Custom LED parameters
Demo features added via callback
Frame rate
Test tones