52:24:51 hours | 34:8 GB | 31,338 Audio Segments | 449 SpeakersThe LDC-IL Punjabi Sentence Aligned Speech dataset comprises audio files in wav format, accompanied by a corresponding textual layer containing phonetically normalized and orthographically normalized annotations in Gurmukhi script. This dataset spans a duration of 52:24:51 (hh:mm:ss) , consisting of read speech with continuous text, representative sentences, and date formats. A comprehensive explanation of dataset can be found in the Punjabi Sentence Aligned Speech Documentation.For any research-based citations, please use the following citations:Dr. Shalinder Singh, Rajesha N., Manasa G., Stephen Fernandes, Nithin S., Roopashri M. R., Dr. Narayan Kumar Choudhary, Prof. Shailendra Mohan. 2025. Punjabi Sentence Aligned Speech Corpus. Central Institute of Indian Languages, Mysore. 978-93-48633-69-9.Rejitha K. S. and Narayan Kumar Choudhary. (ed.). 2025. LDC-IL Corpus Insights. Central Institute of Indian Languages, Mysore. 978-93-48633-33-0...

Dataset Description: 74:57:59 hours | 46.4 GB | 48,572 Audio Segments | 433 speakersThe annotated speech corpus gives wide range of linguistic information especially useful to analyse phonetics. The LDC-IL Tamil Sentence Aligned Speech dataset comprises audio files in wav format, accompanied by a corresponding textual layer containing phonetically normalized and orthographically normalized annotations in Tamil script. This dataset spans a duration of 74:57:59 (hh:mm:ss), consisting of read speech with continuous text, representative sentences, and date formats. The data is derived from 214 female and 219 male native Tamil speakers, encompassing diverse age groups and regions. A comprehensive explanation of the dataset can be found in the Tamil Sentence Aligned Speech Documentation.For any research-based citations, please use the following citations:1. Amudha R., Kamaraj S., Rajesha N., Manasa G., Srikanth D., Stephen Fernandes,Nithin S., Narayan Kumar Choudhary, Shailendra Mohan. 2023 Tamil Sentence Aligned Speech Corpus Central Institute of Indian Languages, Mysore. 978-81-19411-26-9.2. Rejitha K. S. and Narayan Kumar Choudhary. (ed.). 2023. Compendium of LDC-IL Sentence Aligned Speech Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-19411-34-4.3.  Choudhary, N. 2021. LDC-IL: The Indian Repository of Resources for Language Technology. Language Resources & Evaluation. Springer, Vol. 55, Issue 1. doi: https://doi.org/10.1007/s10579-020-09523-3..

15:38:53 hours | 10.1 GB | 9,548 Audio Segments | 80 Speakers The LDC-IL Telugu Sentence Aligned Speech dataset comprises audio files in wav format, accompanied by a corresponding textual layer containing phonetically normalized and orthographically normalized annotations in Telugu script. This dataset spans a duration of 15:38:53 hours (hh:mm:ss), consisting of read speech with continuous text, representative sentences, and date formats. The data is derived from 24 female and 56 male native Telugu speakers, encompassing diverse age groups and regions. A comprehensive explanation of dataset can be found in the Telugu Sentence Aligned Speech Documentation.For any research-based citations, please use the following citations:Dr. Modugu Kasimbabu, Kavitha Lenin, Rajesha N., Manasa G., Stephen Fernandes, Nithin S., Roopashri M. R., Dr. Narayan Kumar Choudhary, Prof. Shailendra Mohan. 2025. Telugu Sentence Aligned Speech Corpus, Central Institute of Indian Languages, Mysore. 978-93-48633-04-0Rejitha K. S. and Narayan Kumar Choudhary. (ed.). 2025. LDC-IL Corpus Insights. Central Institute of Indian Languages, Mysore. 978-93-48633-33-0...

Dataset Description:50:09:56 hours | 32.3 GB | 32,384 Audio Segments | 434 speakersThe annotated speech corpus gives wide range of linguistic information especially useful to analyse phonetics. The LDC-IL Urdu Sentence Aligned Speech dataset comprises audio files in wav format, accompanied by a corresponding textual layer containing phonetically normalized and orthographically normalized annotations in Persio-Arabic script. This dataset spans a duration of 50:09:56 (hh:mm:ss), consisting of read speech with continuous text, representative sentences, and date formats. The data is derived from 214 female and 219 male native Urdu speakers, encompassing diverse age groups and regions. A comprehensive explanation of the dataset can be found in the Urdu Sentence Aligned Speech Documentation.For any research-based citations, please use the following citations:1. Mansoor Khan, Shahnawaz Alam, Bi Bi Mariyam, Rajesha N., Manasa G., Srikanth D., Stephen Fernandes, Nithin S., Narayan Kumar Choudhary, Shailendra Mohan. 2023 Urdu Sentence Aligned Speech Corpus Central Institute of Indian Languages, Mysore. 978-81-19411-87-0.2. Rejitha K. S. and Narayan Kumar Choudhary. (ed.). 2023. Compendium of LDC-IL Sentence Aligned Speech Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-19411-34-4.3.  Choudhary, N. 2021. LDC-IL: The Indian Repository of Resources for Language Technology. Language Resources & Evaluation. Springer, Vol. 55, Issue 1. doi: https://doi.org/10.1007/s10579-020-09523-3..