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Format

CHAT Transcription Format

Summary

Name
CHAT Transcription Format
Identifiers
  • PUID: fmt/1798
  • MIME: text/x-chat
Format type
Text (Structured)
Description
The CHAT Transcription Format provides a format for producing computerised transcripts of face-to-face conversations. ‘CHAT’ is an acronym for Codes for the Human Analysis of Transcripts. CHAT is the standard transcription system for the TalkBank and CHILDES (Child Language Data Exchange System) Projects. https://talkbank.org/manuals/CHAT.pdf
File extensions
cha
Source
Preservica / Preservica

Internal signatures

CHAT Transcription Format

Note
BOF, Offset 0, Max Offset 256, using 4 mandatory elements, although there are some additional non-mandatory elements that may also appear near BOF: ‘@UTF8’ {0-256} ‘@Begin’ {0-64} ‘@Languages:’ {0-256} ‘@Participants:’ – see https://talkbank.org/manuals/CHAT.pdf. As such these relative offsets between elements may need to be adjusted as more examples of this format are encountered.

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
256
Byte Sequence
4055544638{0-256}40426567696E{0-64}404C616E6775616765733A{0-256}405061727469636970616E74733A
Endianness
None

Changelog

  • Added in V110

    Release date
    14 March 2023

    CHAT Transcription Format: Signature researched and samples provided by Preservica.

    CHAT Transcription Format: Full entry added. Submitted by Preservica.