Praat

Praat makes professional-grade speech analysis available to users of all skill levels. Originally built for phoneticians, its intuitive design ensures that anyone interested in speech—from linguists and language learners to voice coaches—can effectively use it. The software allows you to record and play sounds, view detailed spectrograms, and measure various acoustic properties like intensity and duration. Its scripting capabilities offer automation for advanced users, while the straightforward manual tools provide an easy entry point for beginners. Praat turns complex acoustic data into clear, actionable insights.