ELAN is computer software, a professional tool to manually and semi-automatically annotate and transcribe audio or video recordings.
[2] It has a tier-based data model that supports multi-level, multi-participant annotation of time-based media.
[3] It is distributed as free and open source software under the GNU General Public License, version 3.
[4][5][6] It has been well received in several academic disciplines, for example, in psychology, medicine, psychiatry, education, and behavioral studies, on topics such as human computer interaction,[7] sign language and conversation analysis,[8][9][10] group interactions,[11] music therapy,[12] bilingualism and child language acquisition,[13] analysis of non-verbal communication and gesture analysis,[14] and animal behavior.
[16][17][18][19] Its features include: ELAN is developed by the Max Planck Institute for Psycholinguistics in Nijmegen.