LDC 2019 March Newsletter

Call for Papers - LTC 2019, LREC 2020

New Publications:

CALLFRIEND Egyptian Arabic Second Edition

Penn Discourse Treebank Version 3.0
VAST Chinese Speech and Transcripts

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Call for Papers

The 9^th Language & Technology Conference (LTC 2019) will take place on May 17-19, 2019 at the Adam Mickiewicz University in Poznań, Poland. LTC addresses Human Language Technologies as a challenge for computer science, linguistics and related fields. Conference papers are due next week on Wednesday, March 20, 2019 (midnight, any time zone). For more information, visit the conference webpage. 

The 12^th Conference on Language Resources and Evaluation (LREC 2020) will take place on May 13-15, 2020 at the Palais du Pharo in Marseille, France. LREC aims to provide an overview of the state-of-the-art, explore new R&D directions and emerging trends, and exchange information regarding language resources and their applications, evaluation methodologies and tools. Conference papers are due by November 25, 2019. For more information, including conference topics, visit the conference webpage.

New Publications:

(1) CALLFRIEND Egyptian Arabic Second Edition was developed by LDC and consists of approximately 25 hours of unscripted telephone conversations between native speakers of Egyptian Arabic. This second edition updates the audio files to wav format, simplifies the directory structure and adds documentation and metadata. The first edition is available as CALLFRIEND Egyptian Arabic (LDC96S49).

All data was collected before July 1997. Participants could speak with a person of their choice on any topic; most called family members and friends. All calls originated in North America. The recorded conversations last up to 30 minutes. 

CALLFRIEND Egyptian Arabic Second Edition is distributed via web download.

2019 Subscription Members will automatically receive copies of this corpus. 2019 Standard Members may request a copy as part of their 16 free membership corpora. Non-members may license this data for a fee.  

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(2) Penn Discourse Treebank Version 3.0 is the third release in the Penn Discourse Treebank project, the goal of which is to annotate the Wall Street Journal (WSJ) section of Treebank-2 (LDC95T7) with discourse relations. Penn Discourse Treebank Version 2 (LDC2008T05) contains over 40,600 tokens of annotated relations. In Version 3, an additional 13,000 tokens were annotated, certain pairwise annotations were standardized, new senses were included and the corpus was subject to a series of consistency checks.

This corpus contains two tools: (1) The Annotator, used for annotation and adjudication, and which can also be used for viewing the corpus; and (2) The Conversion Tool for converting Version 2 annotation files into the Version 3 format.

The documentation directory contains a manual describing what is new in Version 3 and how Version 3 differs from Version 2; the methods and guidelines used in annotating PDTB Version 3; and a range of statistics on the tokens, including the frequency of each connective, its sense labels and its modifiers. More information about the corpus and research carried out by the developers and others using the corpus can be found on the PDTB website.

Penn Discourse Treebank Version 3.0 is distributed via web download. 

2019 Subscription Members will automatically receive copies of this corpus. 2019 Standard Members may request a copy as part of their 16 free membership corpora. Non-members may license this data for a fee.  

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(3) VAST Chinese Speech and Transcripts was developed by LDC for the VAST (Video Annotation for Speech Technologies) project and is comprised of approximately 29 hours of Mandarin Chinese audio extracted from amateur video content harvested from the web and corresponding time-aligned transcripts. 

Audio files were transcribed using XTrans, which supports manual transcription across multiple channels, languages and platforms. Transcribers followed a Quick-Rich Transcription style; transcription guidelines are included in this release. 

The aim of the VAST project was to collect and annotate data in several languages to support the development of speech technologies such as speech activity detection, language identification, speaker identification, and speech recognition. 

VAST Chinese Speech and Transcripts is distributed via web download.

2019 Subscription Members will automatically receive copies of this corpus. 2019 Standard Members may request a copy as part of their 16 free membership corpora. Non-members may license this data for a fee. 

LDC 2019 February Newsletter

Only two weeks left to enjoy 2019 membership discounts

Spring 2019 LDC Data Scholarship recipients

LDC’s new language game

New publications:

DEFT Chinese Committed Belief Annotation

IARPA Babel Lithuanian Language Pack IARPA-babel304b-v1.0b

Multi-Language Conversational Telephone Speech 2011 -- Arabic Group

Multilingual ATlS

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Only two weeks left to enjoy 2019 membership discounts

There is still time to save on 2019 membership fees. Through March 1, all organizations receive a discount on the 2019 membership fee (up to 10%) when they choose to join or renew. For more information on membership benefits, visit Join LDC. 

Spring 2019 LDC Data Scholarship recipients

Congratulations to the recipients of LDC's Spring 2019 Data Scholarships:

Colin Annand: University of Cincinnati (USA); PhD. Psychology. Colin is awarded a copy of Switchboard-1 Release 2 for his research involving the relationship between speech patterns and conversation content.

Si Chen: Huazhong University of Science and Technology (China); B.S. Communication Engineering. Si is awarded a copy of ACE 2005 Multilingual Training Corpus for his work on event extraction. 

Noor-e-Hira: Fatima Jinnah Women University (Pakistan); MSc. Computer Sciences. Noor is awarded a copy of NIST 2008 Open Machine Translation (OpenMT) Evaluation for her research in machine translation.

Matthew Roddy: Trinity College Dublin (Ireland); Ph.D. Electrical Engineering. Matthew is awarded copies of 2000 HUB5 English Evaluation Speech and Transcripts for his work in spoken dialogue systems.

Ammara Zafar: Fatima Jinnah Women University (Pakistan); MSc Computer Sciences. Ammara awarded a copy of NIST 2009 Open Machine Translation (OpenMT) Evaluation for her research in machine translation.

For information about the program, visit the Data Scholarship page.

LDC’s new language game

LDC’s new language game, NameThatLanguage, tests your skill at recognizing the language spoken in short audio clips. The game includes thousands of clips to prevent memorization and offers a real challenge that increases as you progress. In addition to being fun, the game provides useful data on language confusability and linguistic diversity. Game results will be shared freely for research. New clips and more languages continue to be added providing ongoing challenges and new research data. Help support language research by playing! https://namethatlanguage.org

New publications:

(1) DEFT Chinese Committed Belief Annotation was developed by LDC and consists of approximately 83,000 tokens of Chinese discussion forum text annotated for "committed belief," which marks the level of commitment displayed by the author to the truth of the propositions expressed in the text.

DARPA's Deep Exploration and Filtering of Text (DEFT) program aimed to address remaining capability gaps in state-of-the-art natural language processing technologies related to inference, causal relationships and anomaly detection. LDC supported the DEFT program by collecting, creating and annotating a variety of data sources.

DEFT Chinese Committed Belief Annotation is distributed via web download.

2019 Subscription Members will automatically receive copies of this corpus. 2019 Standard Members may request a copy as part of their 16 free membership corpora. Non-members may license this data for a fee.  

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(2) IARPA Babel Lithuanian Language Pack IARPA-babel304b-v1.0b was developed by Appen for the IARPA (Intelligence Advanced Research Projects Activity) Babel program. It contains approximately 210 hours of Lithuanian conversational and scripted telephone speech collected in 2013 and 2014 along with corresponding transcripts.

The Lithuanian speech in this release represents that spoken in the Aukštaitian and Samogitian dialect regions of Lithuania. The gender distribution among speakers is approximately equal; speakers' ages range from 16 years to 71 years. Calls were made using different telephones (e.g., mobile, landline) from a variety of environments including the street, a home or office, a public place, and inside a vehicle.

IARPA Babel Lithuanian Language Pack IARPA-babel304b-v1.0b is distributed via web download.

2019 Subscription Members will receive copies of this corpus provided they have submitted a completed copy of the special license agreement. 2019 Standard Members may request a copy as part of their 16 free membership corpora. Non-members may license this data for a fee.

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(3) Multi-Language Conversational Telephone Speech 2011 -- Arabic Group was developed by LDC and is comprised of approximately 117 hours of telephone speech in distinct dialects of colloquial Arabic: Iraqi, Levantine and Maghrebi.

The data were collected primarily to support research and technology evaluation in automatic language identification, and portions of these telephone calls were used in the NIST 2011 Language Recognition Evaluation (LRE). LRE 2011 focused on language pair discrimination for 24 languages/dialects, some of which could be considered mutually intelligible or closely related.

Multi-Language Conversational Telephone Speech 2011 -- Arabic Group is distributed via web download.

2019 Subscription Members will automatically receive copies of this corpus. 2019 Standard Members may request a copy as part of their 16 free membership corpora. Non-members may license this data for a fee. 

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(4) Multilingual ATlS was developed by Google Inc. and consists of 5,871 utterances from ATIS2 (LDC93S5), ATIS3 Training Data (LDC94S19), and ATIS3 Test Data (LDC95S26) annotated and translated into Hindi and Turkish. 

The ATIS (Air Travel Information Services) collection was developed to support the research and development of speech understanding systems. Participants were presented with various hypothetical travel planning scenarios and asked to solve them by interacting with partially or completely automated ATIS systems. The resulting utterances were recorded and transcribed. Data was collected in the early 1990s at five US sites: Raytheon BBN, Carnegie Mellon University, MIT Laboratory for Computer Science, National Institute for Standards and Technology and SRI International.

The original English utterances were manually translated into Hindi and Turkish. This release also includes the original English utterance and the machine translation back into English of the manual target language utterance translation. Each utterance is annotated with named entities via table lookup; markers include city, airline, airport names, and dates.

Multilingual ATIS is distributed via web download.

2019 Subscription Members will automatically receive copies of this corpus. 2019 Standard Members may request a copy as part of their 16 free membership corpora. Non-members may license this data at no cost.  

LDC 2019 January Newsletter

Renew Your LDC Membership Today

New publications:

BOLT Arabic Discussion Forum Parallel Training Data

SRI Speech-Based Collaborative Learning Corpus

TAC KBP Entity Discovery and Linking - Comprehensive Training and Evaluation Data 2014-2015

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Renew Your LDC Membership Today

Join LDC while membership savings are still available. Now through March 1, 2019, all organizations receive a discount on the 2019 membership fee (up to 10%) when they choose to join the Consortium or renew their membership. This year’s planned publications include Multilanguage Conversational Telephone Speech (telephone speech in languages/dialects considered mutually intelligible or closely related), IARPA Babel Language Packs (telephone speech and transcripts in underserved languages), Chinese Abstract Meaning Representation Corpus, SRI Speech-Based Collaborative Learning Corpus, data from BOLT, HAVIC, DEFT, TAC KBP and more. Membership remains the most economical way to access LDC releases. Visit Join LDC for details on membership options and benefits.

New publications:

(1) BOLT Arabic Discussion Forum Parallel Training Data was developed by LDC and consists of 1,169,599 tokens of Egyptian Arabic discussion forum data collected for the DARPA BOLT program along with their corresponding English translations.

LDC supported the BOLT program by collecting informal data sources -- discussion forums, text messaging and chat -- in Chinese, Egyptian Arabic and English. The collected data was translated and annotated for various tasks including word alignment, treebanking, propbanking and co-reference.

The source data in this release consists of discussion forum threads harvested from the Internet by LDC using a combination of manual and automatic processes. The full source data collection is released as BOLT Arabic Discussion Forums (LDC2018T10).

Data was manually selected for translation according to several criteria, including linguistic features and topic features. The files were then segmented into sentence units, formatted into a human-readable translation format and assigned to translation vendors. Translators followed LDC's BOLT translation guidelines. Bilingual LDC staff performed quality control procedures on the completed translations.

BOLT Arabic Discussion Forum Parallel Training Data is available as a web download. 

2019 Subscription Members will automatically receive copies of this corpus. 2019 Standard Members may request a copy as part of their 16 free membership corpora. Non-members may license this data for a fee.

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(2) SRI Speech-Based Collaborative Learning Corpus was developed by SRI International and is comprised of approximately 120 hours of English speech from 134 US middle school students working collaboratively. The data set also contains orthographic transcriptions, manual annotation of collaboration, log files, and supporting documentation.

This collection was part of a project investigating the utility of a speech-based learning analytics approach to collaborative learning. The goal was to determine whether detectable patterns exist in student speech that correlate with collaborative learning indicators and to provide a means of assessing collaboration quality. The participants were students in middle schools (grades six, seven and eight) located in California. Students worked in groups of three on sets of short mathematics problems based on the "cloze" task in which each student was assigned one blank and each problem required the students to work together and talk to each other to coordinate their three answers. The problems were presented on iPads with a custom software application and the audio data was captured by both head-mounted and table-top microphones.

SRI Speech-Based Collaborative Learning Corpus is available as a web download. 

2019 Subscription Members will receive copies of this corpus provided they have submitted a completed copy of the special license agreement. 2019 Standard Members may request a copy as part of their 16 free membership corpora. Non-members may license this data for a fee.

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(3) TAC KBP Entity Discovery and Linking - Comprehensive Training and Evaluation Data 2014-2015 was developed by LDC and contains training and evaluation data produced in support of the TAC KBP Entity Discovery and Linking (EDL) tasks in 2014 and 2015. It includes queries, knowledge base (KB) links, equivalence class clusters for NIL entities, and entity type information for each of the queries. Also included in this data set are all necessary source documents as well as BaseKB - the second reference KB that was adopted for use by EDL in 2015. The first EDL reference KB to which 2014 EDL data are linked is available separately as TAC KBP Reference Knowledge Base (LDC2014T16).

The goal of the EDL track is to conduct end-to-end entity extraction, linking and clustering. For producing gold standard data, given a document collection, annotators (1) extract (identify and classify) entity mentions (queries), link them to nodes in a reference KB and (2) perform cross-document co-reference on within-document entity clusters that cannot be linked to the KB. 

Source data consists of Chinese, English and Spanish newswire and web text collected by LDC. The EDL 2014 task involved English data only. Chinese and Spanish data were added in the 2015 task. 

TAC KBP Entity Discovery and Linking - Comprehensive Training and Evaluation Data 2014-2015 is available as a web download. 

2019 Subscription Members will automatically receive copies of this corpus. 2019 Standard Members may request a copy as part of their 16 free membership corpora. Non-members may license this data for a fee. 

LDC 2018 December Newsletter

LDC Membership Discounts for MY2019 Still Available

Spring 2019 LDC Data Scholarship Program - deadline approaching

New publications:

HUB5 Mandarin Telephone Speech and Transcripts Second Edition
Nautilus Speaker CharacterizationTAC Relation Extraction Dataset
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LDC Membership Discounts for MY2019 Still Available

Join LDC while membership savings are still available. Now through March 1, 2019, renewing MY2018 members will receive a 10% discount off the membership fee. New or non-consecutive member organizations will receive a 5% discount. Membership remains the most economical way to access LDC releases. Visit Join LDC for details on membership options and benefits.

Spring 2019 LDC Data Scholarship Program - deadline approaching 

Students can apply for the Spring 2019 Data Scholarship Program now through January 15, 2019. The LDC Data Scholarship program provides students with access to LDC data at no cost. For more information on application requirements and program rules, please visit LDC Data Scholarships. 

New publications:

(1) HUB5 Mandarin Telephone Speech and Transcripts Second Edition was developed by LDC in support of US government projects for language recognition and Large Vocabulary Conversational Speech Recognition (LVCSR). The first edition was released by LDC in two data sets, HUB5 Mandarin Telephone Speech Corpus (LDC98S69) and HUB5 Mandarin Transcripts (LDC98T26). This second edition merges the speech and transcript releases, updates the audio format, and adds Pinyin transcripts, forced alignment, and updated documentation and metadata.

This corpus contains approximately 19 hours of Mandarin speech from 42 unscripted telephone conversations between native speakers of Mandarin from CALLFRIEND Mandarin Chinese-Mainland Dialect (LDC96S55), which has also been released in a second, updated edition (LDC2018S09) and (2) associated transcripts of contiguous 5-30 minute segments from those telephone conversations.

Participants could speak with a person of their choice on any topic; most called family members and friends. The recorded conversations lasted up to 30 minutes. Transcripts were created manually by native Mandarin speakers in the GB2312 encoding schema. This release includes Pinyin transcripts and the original transcripts, both in UTF-8 format. 

HUB5 Mandarin Telephone Speech and Transcripts Second Edition is available via web download. 

2018 Subscription Members will automatically receive copies of this corpus. 2018 Standard Members may request a copy as part of their 16 free membership corpora. Non-members may license this data for a fee.

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(2) Nautilus Speaker Characterization was developed at the Technical University of Berlin and is comprised of approximately 155 hours of conversational speech from 300 German speakers aged 18 to 35 years (126 males and 174 females) with no marked dialect or accent, recorded in an acoustically-isolated room. The corpus was designed to support research on the detection of speaker social characteristics, such as personality, charisma, and voice attractiveness.

Four scripted and four semi-spontaneous dialogs simulating telephone call inquiries were elicited from the speakers. Additionally, spontaneous neutral and emotional speech utterances (predominantly excitement or frustration) and questions were produced.

Speech corresponding to one of the semi-spontaneous dialogs was evaluated with respect to 34 continuous numeric labels of perceived interpersonal speaker characteristics (such as likable, attractive, competent, childish). For a set of 20 selected "extreme" speakers evaluated for their warmth-attractiveness, 34 naive voice descriptions (such as bright, creaky, articulate, melodious) were also evaluated. The corpus contains all labels, together with the speech recordings and the speakers' metadata (e.g., age, gender, place of birth, chronological places of residence and duration of stay, parents' place of birth, self-assessed personality).

Nautilus Speaker Characterization is available via web download. 

2018 Subscription Members will receive copies of this corpus provided they have submitted a completed copy of the special license agreement. 2018 Standard Members may request a copy as part of their 16 free membership corpora. Non-members may license this data at no cost.

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(3) TAC Relation Extraction Dataset (TACRED) was developed by The Stanford NLP Group and is a large-scale relation extraction dataset with 106,264 examples built over English newswire and web text used in the NIST TAC KBP English slot filling evaluations during the period 2009-2014. The annotations were derived from TAC KBP relation types (see the guidelines), from human annotations developed by LDC and from crowdsourcing using Mechanical Turk.

Source corpora used for this dataset were TAC KBP Comprehensive English Source Corpora 2009-2014 (LDC2018T03) and TAC KBP English Regular Slot Filling - Comprehensive Training and Evaluation Data 2009-2014 (LDC2018T22). For detailed information about the dataset and benchmark results, please refer to the TACRED paper.

TAC Relation Extraction Dataset is available via web download. 

2018 Subscription Members will automatically receive copies of this corpus. 2018 Standard Members may request a copy as part of their 16 free membership corpora. Non-members may license this data for a fee.

LDC 2018 November Newsletter

Join LDC for Membership Year 2019

Spring 2019 Data Scholarship Program

Commercial use and LDC data

New publications:

AISHELL-1

Avatar Education Portuguese

BOLT Egyptian Arabic Treebank - Discussion Forum

IARPA Babel Telugu Language Pack IARPA-babel303b-v1.0a

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Join LDC for Membership Year 2019

Membership Year 2019 (MY2019) is open and discounts are available for those who keep their membership current and join early in the year. Now through March 1, 2019, current MY2018 members who renew their LDC membership before March 1 will receive a 10% discount off the membership fee. New or returning organizations will receive a 5% discount through March 1. 

In addition to receiving new publications, current LDC members also enjoy the benefit of licensing older data at reduced costs from our Catalog of over 750 holdings. Current-year for-profit members may use most data for commercial applications. 

Plans for MY2019 publications are in progress. Among the expected releases are:

• SRI Speech-Based Collaborative Learning Corpus: speech from over 100 US middle school students performing collaborative learning tasks, includes audio recordings, orthographic transcriptions, manual annotation of collaboration, and related documentation

• Chinese Abstract Meaning Representation (AMR): developed by Nanjing Normal University and Brandeis University, semantic representation of approximately 10,000 Chinese sentences following the basic principles of AMR using web source data from Chinese Treebank 8.0 (LDC2013T21)

• Multilanguage conversational telephone speech: developed to support language identification research in related languages (Arabic, East Asian, English, Mandarin)

• TAC KBP: English entity discovery and linking, nugget detection and event argument data, Chinese slot-filling data

• CALLFRIEND Second Edition: updated releases with .wav format audio, simplified directory structure and enhanced documentation and metadata (English, Egyptian Arabic, Mandarin Chinese-Taiwan)

• HAVIC Med Progress Test data: English web video, metadata, and annotations for developing multimedia systems

• IARPA Babel Language Packs (telephone speech and transcripts): languages include Amharic, Guarani, Igbo, and Lithuanian

• BOLT: discussion forums, SMS, word-aligned and tagged data in all languages (Chinese, Egyptian Arabic, English)

And, it’s not too late to join for MY2017 (through December 31, 2018) and MY2018 (through December 31, 2019). Data sets from those years include 2010 NIST Speaker Recognition Evaluation Test Set, RATS Keyword Spotting and Language Identification releases, CHiME, Noisy TIMIT Speech, Concretely Annotated New York Times and English Gigaword, DIRHA English WSJ Audio, LORELEI Amharic and Somali Language Packs and DEFT Spanish Treebank. For full descriptions of all LDC data sets, browse our Catalog.  

Visit Join LDC for details on membership, user accounts and payment.

Spring 2019 Data Scholarship Program

Applications are now being accepted through January 15, 2019 for the Spring 2019 LDC Data Scholarship program which provides university students with no-cost access to LDC data. Consult the LDC Data Scholarship page for more information about program rules and submission requirements.

Commercial use and LDC data

For-profit organizations are reminded that an LDC membership is a pre-requisite for obtaining a commercial license to almost all LDC databases. Non-member organizations, including non-member for-profit organizations, cannot use LDC data to develop or test products for commercialization, nor can they use LDC data in any commercial product or for any commercial purpose. LDC data users should consult corpus-specific license agreements for limitations on the use of certain corpora. Visit the Licensing page for further information. 

New publications:

(1) AISHELL-1 was developed by Beijing Shell Shell Technology Co., Ltd. It contains approximately 520 hours of Chinese Mandarin speech from 400 speakers recorded simultaneously on three different devices with associated transcripts.

The goal of the collection was to support speech recognition system development in 11 domains, including smart homes, autonomous driving, entertainment, finance and science and technology. Participants read 500 sentences covering the domains; sentences were chosen for their speech and phonetic characteristics. The speech was recorded in a quiet indoor environment on a high fidelity microphone and two mobile phones (Android and IOS). 

Speakers were recruited from different accent areas across China, including North, South and Yue-Gui-Min regions. There were 214 female speakers and 186 male speakers. Additional demographic information about the participants is included in this release.

AISHELL-1 is distributed via hard drive.

2018 Subscription Members will automatically receive copies of this corpus. 2018 Standard Members may request a copy as part of their 16 free membership corpora. Non-members may license this data for a fee.

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(2) Avatar Education Portuguese was developed by the University of Pernambuco and consists of approximately 80 minutes of Brazilian Portuguese microphone speech with phonetic and orthographic transcriptions. The data was developed for Avatar Education, an animated virtual assistant designed to enhance communication and interaction in educational contexts, such as online learning.

The corpus contains 1,400 speakers (700 male, 700 female) who generated 1,400 utterances from read and spontaneous speech. Utterances were transcribed at the word level (without time alignments) and at the phoneme level (with time alignment labels).

Avatar Education Portuguese is distributed via web download. 

2018 Subscription Members will automatically receive copies of this corpus. 2018 Standard Members may request a copy as part of their 16 free membership corpora. Non-members may license this data for a fee.

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(3) BOLT Egyptian Arabic Treebank - Discussion Forum was developed by LDC and consists of Egyptian Arabic web discussion forum data with part-of-speech annotation, morphology, gloss and syntactic tree annotation collected for the DARPA Broad Operational Language Translation (BOLT) Program. 

The annotations in this release follow Penn Arabic Treebank (PATB) annotation guidelines. There are two kinds of morphological analysis synchronized in the corpus. LDC Standard Morphological Analyzer (SAMA) Version 3.1 (LDC2010L01) was used for Modern Standard Arabic tokens, and CALIMA(Columbia Arabic Language and dIalect Morphological Analyzer) was used for Egyptian-Arabic tokens.

This release contains 440,448 tokens before clitics were split and 508,548 tree tokens after clitics were split for treebank annotation. The source material is web discussion forums collected by LDC from various sources.

The unannotated Egyptian Arabic source data is released as BOLT Arabic Discussion Forums (LDC2018T10).

BOLT Egyptian Arabic Treebank - Discussion Forum is distributed via web download. 

2018 Subscription Members will automatically receive copies of this corpus. 2018 Standard Members may request a copy as part of their 16 free membership corpora. Non-members may license this data for a fee.

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(4) IARPA Babel Telugu Language Pack IARPA-babel303b-v1.0a was developed by Appen for the IARPA (Intelligence Advanced Research Projects Activity) Babel program. It contains approximately 201 hours of Telugu conversational and scripted telephone speech collected in 2013 and 2014 along with corresponding transcripts.

The Telugu speech in this release represents that spoken in the Central, East, South and North Telugu dialect regions of India.The gender distribution among speakers is approximately equal; speakers' ages range from 16 years to 65 years. Calls were made using different telephones (e.g., mobile, landline) from a variety of environments including the street, a home or office, a public place, and inside a vehicle.

IARPA Babel Telugu Language Pack IARPA-babel303b-v1.0a is available via web download.

2018 Subscription Members will receive copies of this corpus provided they have submitted a completed copy of the special license agreement. 2018 Standard Members may request a copy as part of their 16 free membership corpora. Non-members may license this data for a fee.