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Codes for the Human Analysis of Transcripts
Abbreviation: CHAT
Scope: Specifications for speech data transcription and coding
Topic: File Formats, Transcription
Standard body: Other
Keywords: transcription format, coding format, speech data, annotation
Use in CLARIN: fully recommended

CHAT (Codes for the Human Analysis of Transcripts) is the most common format for transcribing, encoding and analysing child language data. It was developed by Brian MacWhinney within the CHILDES (Child Language Data Exchange System) Project. All of the transcripts in the CHILDES database are encoded in the CHAT format.

By using the CHAT format, transcribed data can be annotated with different levels of linguistic information such as phonological, morphological or syntactic information. The data transcribed and annotated in CHAT, are compatible with some analysis tools, for example CLAN provided also by the CHILDES Project.

Since the CHAT format is widely recognized in children’s language research, many transcription tools (such as ELAN, EXMARaLDA, Praat, Phon, Transcriber) supports it. These tools can also export and import data encoded in various formats as CHAT formatted data.

Other standards in the same topic(s):

Version Title: The CHAT Transcription Format
Abbreviation: CHAT [not official, only for reference in this website]
Status: final
Release Date: 2000
  1. Brian MacWhinney
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