TextGrid
From Just Solve the File Format Problem
Praat is a speech analysis tool used for doing phonetics by computer. Praat can analyse, synthesize, and manipulate speech, and create high-quality pictures for your publications. Praat was created by Paul Boersma and David Weenink of the Institute of Phonetics Sciences of the University of Amsterdam.[1][2] A TextGrid file is used in annotation of sound objects.[3]
File Description
TextGrid files are text based and begin with the following:[4][5]
File type = "ooTextFile" Object class = "TextGrid"