Create Sounds

Advanced Sound Generator

Create amplitude- and frequency-modulated sounds, sweeps, multi-tones and precisely timed burst sequences.

Amplitude modulation

Vary the amplitude of a tone or coloured noise with a periodic envelope.

Common output settings

The complete signal is normalized to the requested RMS pressure. Preview playback is peak-normalized and not acoustically calibrated.

Equivalent level
RMS pressure
Peak pressure
Crest factor
Mode details

Generated signal

Control signal

Amplitude modulation

x(t) = c(t) · [1 + m·g(t)]

Frequency modulation

f(t) = fᶜ + Δf·g(t)

Sweep / chirp

Linear sweeps spend equal time per hertz; logarithmic sweeps spend equal time per frequency ratio.

Multi-tone

x(t) = Σ Aₖ sin(2πfₖt + φₖ)

Burst sequence

Edge ramps reduce clicks while on/off times define the pulse pattern.