Acoustic Parameter Converter

Inputs

Medium

ρ (kg/m³)

c (m/s)

Frequency (kHz)

Known quantity (free-field)

I-sppa (W/cm²)

Pulsing

Define duty cycle by

PRF (Hz)

Pulse duration PD (ms)

Sonication timing

Sonication ON duration

ISI

No. sonications

Geometry

F-number (focal ÷ aperture)

Aperture Ø (mm)

Focal length (mm)

Effective focal area (mm²)

Skull / absorption derating

Apply derating to target

α (dB/cm/MHz)

Path length (cm)

Typical skull 12–22 dB/cm/MHz; human ~0.65 cm.

Peak neg. pressure (PNP)

—MPa

PNP

—MPa

I-sppa

—W/cm²

I-sppa

—W/cm²

I-spta

—mW/cm²

0720 (Dx)

I-spta

—mW/cm²

—

01.9 (Dx)

—

Acoustic power

—W

Duty cycle

—%

Wavelength λ

—mm

Total session

—s

Single sonication · pulse train

Timing within one sonication.

Full sonication session

Sonications separated by the ISI.

Focal field & treated volume

Diffraction-limited focus with iso-contours and treated volume.

Threshold MPa

Library

Parameter sets

Study / regime	f (kHz)	I-sppa (W/cm²)	DC (%)	PRF (Hz)	PD (ms)	Dur

⚠️ Starter library — verify against sources. Send a CSV (e.g. from NotebookLM) to import the full list.