oai:www.ldc.upenn.edu:LDC2026S08
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OLAC Record oai:www.ldc.upenn.edu:LDC2026S08 |
| Metadata | ||
| Title: | CALLHOME American English Second Edition | |
| Access Rights: | Licensing Instructions for Subscription & Standard Members, and Non-Members: http://www.ldc.upenn.edu/language-resources/data/obtaining | |
| Bibliographic Citation: | Canavan, Alexandra, et al. CALLHOME American English Second Edition LDC2026S08. Web Download. Philadelphia: Linguistic Data Consortium, 2026 | |
| Contributor: | Canavan, Alexandra | |
| Graff, David | ||
| Zipperlen, George | ||
| Kingsbury, Paul | ||
| Strassel, Stephanie | ||
| McLemore, Cynthia | ||
| McIntyre, Robert | ||
| Ryant, Neville | ||
| Ma, Danni | ||
| Date (W3CDTF): | 2026 | |
| Date Issued (W3CDTF): | 2026-07-15 | |
| Description: | *Introduction* CALLHOME American English Second Edition was developed by the Linguistic Data Consortium (LDC) and contains approximately 56 hours of speech from 120 unscripted telephone conversations between native American English speakers. This publication is a re-release of the original CALLHOME American English collection, combining CALLHOME American English Speech (LDC97S42) and CALLHOME American English Transcripts (LDC97T14), with additional transcription and updated directory structure, file formats, and documentation. The CALLHOME series consists of telephone conversations and transcripts developed by LDC and Rutgers, The State University of New Jersey, in support of research in speaker identification, language identification and related technologies. Languages in the series include American English, Egyptian Arabic, German, Japanese, Mandarin Chinese, and Spanish. *Data* This release contains the 120 telephone conversations published in CALLHOME American English Speech (LDC97S42) which represented training and development data and a subset of evaluation data. Most participants called family members or close friends. Participants spoke on topics of their choice in a single telephone call lasting up to 30 minutes. Calls were manually audited for gender, language, recording quality, channel characteristics, and accent. The audio was originally recorded as 8 kHz u-law SPHERE files compressed with SHORTEN. For this Second Edition, all audio was converted to FLAC format. Recordings are provided as 8 kHz, 16-bit, two-channel FLAC files. The original training/development/test partitioning was removed. All files appear in a unified directory. Transcripts are provided as UTF-8 encoded TSV files in WebTrans format (LDC's standard transcription tool). Two versions are included: (1) the transcripts published in CALLHOME American English Transcripts (LDC97T14); and (2) revised transcripts conforming to updated LDC transcription guidelines. The latter include normalization of annotation formats, standardization of speaker-produced and background noises, application of foreign-language marking, whitespace cleanup, and corrections and consistency fixes. Provided metadata includes call-level information (background noise, distortion, crosstalk), speaker metadata (accent, age, sex, comments), and demographic information for call initiators (age, education level). *Samples* Please view these samples: * English Audio Sample (FLAC) * English Transcription Sample (TXT) *Updates* No updates at this time. | |
| Extent: | Corpus size: 2200000 KB | |
| Format: | Sampling Rate: 8000 | |
| Sampling Format: 16-bit FLAC | ||
| Identifier: | LDC2026S08 | |
| https://catalog.ldc.upenn.edu/LDC2026S08 | ||
| ISLRN: 341-719-529-824-9 | ||
| DOI: 10.35111/rzpb-np15 | ||
| Language: | English | |
| Language (ISO639): | eng | |
| 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/LDC2026S08 | |
| Rights Holder: | Portions © 1997, 2026 Trustees of the University of Pennsylvania | |
| Subject: | English language | |
| Subject (ISO639): | eng | |
| Type (DCMI): | Sound | |
| Text | ||
| Type (OLAC): | primary_text | |
OLAC Info |
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| Archive: | The LDC Corpus Catalog | |
| Description: | http://www.language-archives.org/archive/www.ldc.upenn.edu | |
| GetRecord: | OAI-PMH request for OLAC format | |
| GetRecord: | Pre-generated XML file | |
OAI Info |
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| OaiIdentifier: | oai:www.ldc.upenn.edu:LDC2026S08 | |
| DateStamp: | 2026-07-15 | |
| GetRecord: | OAI-PMH request for simple DC format | |
Search Info | ||
| Citation: | Canavan, Alexandra; Graff, David; Zipperlen, George; Kingsbury, Paul; Strassel, Stephanie; McLemore, Cynthia; McIntyre, Robert; Ryant, Neville; Ma, Danni. 2026. Linguistic Data Consortium. | |
| Terms: | area_Europe country_GB dcmi_Sound dcmi_Text iso639_eng olac_primary_text | |
Inferred Metadata | ||
| Country: | United Kingdom | |
| Area: | Europe | |