OLAC Record

Title:LECTRA (LECture TRAnscriptions in European Portuguese)
Access Rights: Rights available for: nonCommercialUse, commercialUse
Date Available (W3CDTF):2014-07-11
Date Issued (W3CDTF):2014-07-11
Date Modified (W3CDTF):2015-10-14
Description:This corpus is composed of the audio and the manual transcriptions of the LECTRA Corpus: classroom LECture TRAnscriptions in European Portuguese. The corpus includes seven 1-semester University courses. All lectures were taught at Technical University of Lisbon (IST), recorded in the presence of students, except IICT, recorded in another university and in a quiet office environment, targeting an Internet audience. The corpus contains a total of 28 hours of audio speech that were manually transcribed by several trained annotators.The corpus is comprised of technical University lectures: Production of Multimedia Contents (PMC), Economic Theory I (ETI), Linear Algebra (LA), Introduction to Informatics and Communication Techniques (IICT), Object Oriented Programming (OOP), Accounting (CONT), Graphical Interfaces (GI).Two files per lecture are provided:a) a RAW file: audio fileb) a TRS file: containing the manual transcriptions. The TRS format is a kind of XML format that a standard transcription software such as Transcriber can open. Annotations in the TRS files are at word-level. They are fine-grained transcriptions that include disfluencies. The characters in the text files are encoded in ISO-8859-1 (Latin1).The TRS files have a total of 220K word tokens (Training set: 179K word tokens, Development set: 21K word tokens, Test set: 20K word tokens). The whole resource occupies 3.3 GB.For a complete description of the corpus and the report of Automatic Speech Recognition results, the reader may refer to:(Trancoso et al., 2008) Isabel Trancoso, Rui Martins, Helena Moniz, Ana Isabel Mata da Silva, Maria do Céu Guerreiro Viana Ribeiro, The LECTRA Corpus - Classroom Lecture Transcriptions in European Portuguese, InLREC 2008 - Language Resources and Evaluation Conference, Marrakesh, Morocco, May 2008.(Pellegrini et al., 2012) Thomas Pellegrini, Helena Moniz, Fernando Batista, Isabel Trancoso, Ramon Fernandez Astudillo, Extension of the LECTRA corpus: classroom LECture TRAnscriptions in European Portuguese, In SPEECH AND CORPORA, Belo Horizonte, March 2012.
ISLRN: 298-379-572-530-5
Identifier (URI):http://catalog.elra.info/en-us/repository/browse/ELRA-S0366/
Language (ISO639):por
Medium:Not specified
Publisher:ELRA (European Language Resources Association)
Type (DCMI):Sound
Type (OLAC):primary_text


Archive:  ELRA Catalogue of Language Resources
Description:  http://www.language-archives.org/archive/catalogue.elra.info
GetRecord:  OAI-PMH request for OLAC format
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OAI Info

OaiIdentifier:  oai:catalogue.elra.info:ELRA-S0366
DateStamp:  2014-07-11
GetRecord:  OAI-PMH request for simple DC format

Search Info

Citation: n.a. 2014. ELRA (European Language Resources Association).
Terms: area_Europe country_PT dcmi_Sound iso639_por olac_primary_text

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