OLAC Record

Title:Arabic CTS Levantine Fisher Training Data Set 3, Speech
Access Rights:Licensing Instructions for Subscription & Standard Members, and Non-Members: http://www.ldc.upenn.edu/language-resources/data/obtaining
Bibliographic Citation:Maamouri, Mohamed, and Hubert Jin. Arabic CTS Levantine Fisher Training Data Set 3, Speech LDC2005S07. Web Download. Philadelphia: Linguistic Data Consortium, 2005
Contributor:Maamouri, Mohamed
Jin, Hubert
Date (W3CDTF):2005
Date Issued (W3CDTF):2005-01-15
Description:*Introduction* Arabic CTS Levantine Fisher Training Data Set 3, Speech was developed by the Linguistic Data Consortium (LDC) and contains approximately 50 hours of Levantine Arabic speech. The corresponding human annotated transcripts are contained in Arabic CTS Levantine Fisher Training Data Set 3, Transcripts (LDC2005T03). The Fisher telephone conversation collection protocol was created at LDC to address a critical need of developers trying to build robust automatic speech recognition (ASR) systems. Previous collection protocols, such as CALLFRIEND and Switchboard-II, and the resulting corpora, have been adapted for ASR research but were in fact developed for language and speaker identification respectively. Although the CALLHOME protocol and corpora were developed to support ASR technology, they feature small numbers of speakers making telephone calls of relatively long duration with narrow vocabulary across the collection. CALLHOME conversations were challengingly natural and intimate. Under the Fisher protocol, a very large number of participants each made a few calls of short duration speaking to other participants, whom they typically did not know, about assigned topics. This maximized inter-speaker variation and vocabulary breadth although it also increased formality. Previous protocols such as CALLHOME, CALLFRIEND, and Switchboard relied upon participant activity to drive the collection. Fisher was unique in being platform driven rather than participant driven. Participants who wished to initiate a call did so; however, the collection platform initiated the majority of calls. Participants simply answered their phones at the times they specified when registering for the study. To encourage a broad range of vocabulary, Fisher participants were asked to speak about an assigned topic chosen from a randomly generated list that changed every 24 hours. All participants that day were assigned subjects from that list. Some topics were inherited or refined from previous Switchboard studies while others were developed specifically for the Fisher protocol. *Data* This corpus contains 322 audio files of Arabic telephone conversations in 2-channel SPHERE ulaw format, sampled at 8 kHz. Here are the other corpora that comprise the totality of Arabic training data: * Arabic CTS Levantine Fisher Training Data Set 3, Transcripts (LDC2005T03) * Levantine Arabic QT Training Data Set 4 (Speech + Transcripts) (LDC2005S14) * Levantine Arabic QT Training Data Set 5, Speech (LDC2006S29) * Levantine Arabic QT Training Data Set 5, Transcripts (LDC2006T07) *Samples* For an example of the data in this corpus, please listen to this sample (WAV). *Updates* None at this time.
Format:Sampling Rate: 8000
Sampling Format: 1-channel ulaw
ISBN: 1-58563-325-9
ISLRN: 852-500-494-190-7
DOI: 10.35111/rkkw-zd68
Language:North Levantine Arabic
South Levantine Arabic
Language (ISO639):apc
License:LDC User Agreement for Non-Members: https://catalog.ldc.upenn.edu/license/ldc-non-members-agreement.pdf
Medium:Distribution: Web Download
Publisher:Linguistic Data Consortium
Publisher (URI):https://www.ldc.upenn.edu
Relation (URI):https://catalog.ldc.upenn.edu/docs/LDC2005S07
Rights Holder: Portions © 2003-2005 Trustees of the University of Pennsylvania
Type (DCMI):Sound
Type (OLAC):primary_text


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Citation: Maamouri, Mohamed; Jin, Hubert. 2005. Linguistic Data Consortium.
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