6 tools
Advanced Audio
Sweeps, Morse, DTMF, pitch tools, and analyzers.
频率 Sweep Parametric frequency sweep for speaker and hearing checks. Advanced Audio Morse Code Generator Text → Morse → audio with standard dot/dash timing. Advanced Audio DTMF Tone Generator Standard telephone keypad tones — correct low/high frequency pairs. Advanced Audio Pitch Shifter Real-time pitch shift for uploaded or captured audio. Advanced Audio Spectrum Analyzer Live FFT visualization with numeric level and peak frequency. Advanced Audio Sound Wave Visualizer 波形 visualization paired with generated or incoming audio. Advanced Audio