On-Line Speech Corpora

We are currently in the process of loading all our data on-line. We apologize for those links unavailable at the moment. Corpora which are marked 'ok' are ready for access. Those are marked 'testing' are either not ready or need some improvement.

Due to server load, for the moment there is a limit of 60 seconds of speech returned for each request. If this poses a problem for you, please let us know.

Status CATALOG ID Documentation Speech Transcripts Search
OK LDC93S1 TIMIT Word and Phone Search
OK LDC93S2 NTIMIT Word and Phone Search
OK LDC93S3B RM1SI Region Indexing and Search
Speech NA NA
OK LDC93S3B RM1TEST Region Indexing and Search
Speech NA NA
OK LDC93S4B ATIS0 Pilot Region Indexing and Search
Speech NA NA
OK LDC93S4B-2 ATIS0 Read Region Indexing and Search
Speech NA NA
OK LDC93S4B-3 ATIS0 SD_Read Region Indexing and Search
Speech NA NA
OK LDC93S5 ATIS2 Region Indexing and Search
Speech NA NA
OK LDC93S6B CSR-I (WSJ0) Sennheiser Region Indexing and Search
OK LDC93S6C CSR-I (WSJ0) Other Region Indexing and Search
OK LDC93S7 Switchboard Speech HTML_Transcripts CD-ROM_Transcripts [Keyword Search] [Tagged corpus Search]
OK LDC93S9 TI 46 Word Region Indexing and Search
Speech NA NA
OK LDC93S10 TI Digits Region Indexing and Search
Speech NA NA
OK LDC93S12 MAP_TASK Region Indexing and Search
Speech NA NA
OK LDC94S13B CSR-II (WSJ1) Sennheiser Region Indexing and Search
OK LDC94S13C CSR-II (WSJ1) Other Region Indexing and Search
OK LDC94S14B ATC BOS Region Indexing and Search
Speech NA NA
OK LDC94S14C ATC DCA Region Indexing and Search
Speech NA NA
OK LDC94S14D ATC DFW Region Indexing and Search
Speech NA NA
OK LDC94S15 SPIDRE Region Indexing and Search
Speech NA NA
OK LDC94S19 ATIS3 Region Indexing and Search
Speech NA NA
OK LDC94S20 BRAMSHILL Region Indexing and Search
Speech NA NA
OK LDC94S21 MACROPHONE Region Indexing and Search
Speech NA NA
OK LDC95S22 KING Speaker Verification Region Indexing and Search
Speech NA NA
OK LDC95S23 CSR-III Speech Region Indexing and Search
OK LDC95S23 ALL CSR Speech Corpus Region Indexing and Search
OK LDC95S24 WSJCAM0 Cambridge Read News Region Indexing and Search
Speech NA NA
OK LDC95S25 TRAINS Spoken Dialog Corpus Region Indexing and Search
Speech NA NA
OK LDC95S26 ATIS3_Part_2 Region Indexing and Search
Speech NA NA
Ok LDC95S27 PHONEBOOK: NYNEX Isolated Words Region Indexing and Search
Speech NA NA
OK LDC95S28 LATINO-40 Spanish Read News Region Indexing and Search
Speech NA NA
OK LDC96S30 CTIMIT Word and Phone Search
OK LDC96S31 HUB-4 English Region Indexing and Search
Speech Transcripts NA
OK LDC98S73 HUB-4 Mandarin NA
Speech Transcripts NA
OK LDC96S34 Callhome Mandarin speech Transcripts NA
OK LDC96S35 Callhome Spanish Region Indexing and Search
speech Transcripts NA
OK LDC96S37 Callhome Japanese speech Transcripts NA
OK LDC96S49 Callfriend Arabic speech NA NA
OK LDC96S46-7 Callfriend English speech NA NA
OK LDC96S50 Callfriend Farsi speech NA NA
OK LDC96S48 Callfriend French speech NA NA
OK LDC96S51 Callfriend German speech NA NA
OK LDC96S52 Callfriend Hindi speech NA NA
OK LDC96S53 Callfriend Japanese speech NA NA
OK LDC96S54 Callfriend Korean speech NA NA
OK LDC96S55-6 Callfriend Mandarin speech NA NA
OK LDC96S57-8 Callfriend Spanish speech NA NA
OK LDC96S59 Callfriend Tamil speech NA NA
OK LDC96S60 Callfriend Vietnamese speech NA NA
OK LDC97S42 HUB-5 English
Speech Transcripts NA
OK Online only (German) Kiel Corpus Region Indexing & Pattern Search

The corpora below are in the testing stage:
Status CATALOG ID Documentation Speech Transcripts Search
Testing LDC93S3B RM1SD Region Indexing and Search
Speech NA NA
Testing LDC94S17 OGI Multilanguage Corpus Speech NA NA
Testing LDC94S18 OGI Spelled & Spoken Word Speech NA NA