How to Use
• Load an audio file by selecting one of three options: upload your own file, enter a URL, or use the provided sample • Click Play to start audio playback, Stop to pause it • Edit the equalizer by clicking and dragging on the graphical interface to adjust frequency response • Use mouse to create peaks and valleys across different frequency bands • Your filter changes apply to the audio in real time while playing • Choose different Filter Length values (64-8192) for more or less precise filtering • Select an Analyzer type to visualize the audio: Sound Particles, Frequency analyzer, or Haar wavelet • Click "Process file offline" to apply your current filter settings to the entire song and download as a filtered WAVE file • For best results, use audio files with 44100Hz or 48000Hz sample rate • The tool combines visual filter editing with real-time audio processing using your browser's Web Audio API