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--- |
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license: cc-by-nc-nd-4.0 |
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configs: |
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- config_name: default |
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data_files: |
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- split: train |
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path: data/train-* |
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dataset_info: |
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features: |
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- name: Voice ID |
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dtype: string |
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- name: Voice Name |
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dtype: string |
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- name: Voice Gender |
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dtype: string |
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- name: Record Date |
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dtype: string |
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- name: Text Length |
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dtype: int64 |
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- name: Audio Length (ms) |
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dtype: int64 |
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- name: Audio Path |
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dtype: audio |
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- name: Text Path |
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dtype: string |
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- name: Text |
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dtype: string |
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splits: |
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- name: train |
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num_bytes: 16697363003.0 |
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num_examples: 100998 |
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download_size: 16224384151 |
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dataset_size: 16697363003.0 |
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--- |
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# Alcaim Dataset: Brazilian Portuguese Audio Corpus |
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## Overview |
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The **Alcaim Dataset** is a Brazilian Portuguese audio corpus provided by the [Centro de Estudos em Telecomunicações (CETUC)](https://www.ctc.puc-rio.br/laboratorios-cetuc) for **research purposes exclusively**. This dataset consists of audio recordings and transcriptions in Brazilian Portuguese, suitable for speech recognition, linguistic analysis, and other research applications. |
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According to Section 4.1.3 of the [Master's Dissertation of Rafael Oliveira (PPGCC, 2012)](https://ppgcc.propesp.ufpa.br/Disserta%C3%A7%C3%B5es_2012/Rafael%20Santana%20Oliveira_Disserta%C3%A7%C3%A3o.pdf): |
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> O [Centro de Estudos em Telecomunicações (CETUC)](https://www.ctc.puc-rio.br/laboratorios-cetuc), através do Professor Doutor Abraham Alcaim, gentilmente cedeu ao LaPS, para fins de pesquisa exclusivamente, seu corpus de áudio para Português Brasileiro. Esse corpus, é composto por áudios de 1.000 sentenças, gravados por 101 locutores, totalizando aproximadamente 143 horas de áudio. |
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## Dataset Details |
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- **Number of Speakers**: 101 (50 male, 51 female) |
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- **Number of Sentences**: 1,000 unique sentences |
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- **Total Audio Duration**: Approximately 143 hours |
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- **File Types**: |
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- **Audio Files**: `.wav` format, recorded at 16 kHz |
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- **Transcriptions**: Plain text files (`.txt`) containing the corresponding sentence for each audio file |
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- **Metadata**: Includes speaker ID, gender, recording date, and transcription details. |
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--- |
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## Voices Table |
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| Voice ID | Record Date | Voice Name | |
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|----------|-------------|----------------------| |
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| F000 | 2018-09-28 | Ivone Amitrano | |
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| F001 | 2020-02-28 | Patricia | |
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| F002 | 2018-09-28 | Madel | |
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| F003 | 2018-09-28 | Andrea | |
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| F004 | 2018-09-28 | Priscila Terra | |
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| F005 | 2018-09-28 | N A | |
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| F006 | 2018-09-28 | Geruza | |
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| F007 | 2018-09-28 | Cristiane | |
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| F008 | 2018-09-28 | Benita | |
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| F009 | 2018-09-28 | Marta | |
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| F010 | 2018-09-28 | Alexandra | |
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| F011 | 2018-09-28 | Sandra Rocha | |
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| F012 | 2018-09-28 | Silvana Ferreira | |
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| F013 | 2018-09-28 | Regina | |
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| F014 | 2020-02-19 | Ieda | |
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| F015 | 2018-09-28 | Sandra Cipriano | |
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| F016 | 2018-09-28 | Conceicao Abdulatif | |
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| F017 | 2018-09-28 | Lila | |
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| F018 | 2019-10-29 | Alcione | |
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| F019 | 2018-09-28 | Luana Ester Luna | |
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| F020 | 2018-09-28 | Fatima Turano | |
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| F021 | 2018-09-28 | Ce Cilia Bulcao | |
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| F022 | 2018-09-28 | Leona Rodrigues | |
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| F023 | 2018-09-28 | Claudia Moraes | |
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| F024 | 2018-09-28 | Mariana | |
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| F025 | 2018-09-28 | camilla Wagner | |
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| F026 | 2018-09-28 | Paula | |
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| F027 | 2018-09-28 | Myrza Wanderley | |
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| F028 | 2018-09-28 | Juliana | |
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| F029 | 2018-09-28 | Narhua | |
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| F030 | 2018-09-28 | Rose | |
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| F031 | 2018-09-28 | Sheila | |
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| F032 | 2018-09-28 | Andreia Soares | |
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| F033 | 2018-09-28 | Custodia | |
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| F034 | 2018-09-28 | Gabriela | |
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| F035 | 2018-09-28 | Carla | |
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| F036 | 2018-09-28 | Aurea | |
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| F037 | 2018-09-28 | Nathalia | |
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| F038 | 2018-09-28 | Tatiana Ruback | |
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| F039 | 2018-09-28 | Denize Ramos | |
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| F040 | 2018-09-28 | Anesia | |
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| F041 | 2018-09-28 | Tereza Spedo | |
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| F042 | 2018-09-28 | Ana Varela | |
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| F043 | 2018-09-28 | Helen | |
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| F044 | 2018-09-28 | Milena | |
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| F045 | 2018-09-28 | Alessandra | |
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| F046 | 2018-09-28 | Anna Perez | |
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| F047 | 2018-09-28 | Flavia | |
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| F048 | 2018-09-28 | Roseoliveira | |
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| F049 | 2018-09-28 | Adriana Malta | |
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| F050 | 2018-09-28 | Carolina Magalhaes | |
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| M000 | 2018-09-28 | Paulinho | |
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| M001 | 2018-09-28 | Aislam | |
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| M002 | 2018-09-28 | Daniel Ribeiro | |
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| M003 | 2018-09-28 | Jailson | |
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| M004 | 2018-09-28 | Walace | |
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| M005 | 2018-09-28 | Julio Faustino | |
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| M006 | 2018-09-28 | Marcos Bittencourt | |
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| M007 | 2018-09-28 | Elson | |
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| M008 | 2018-09-28 | Ivan Mariano | |
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| M009 | 2018-09-28 | Jonatas | |
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| M010 | 2018-09-28 | Renato Peres | |
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| M011 | 2018-09-28 | Marcio | |
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| M012 | 2018-09-28 | Oswaldo | |
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| M013 | 2018-09-28 | Rafael | |
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| M014 | 2018-09-28 | Mario Junior | |
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| M015 | 2018-09-28 | Paulo Siqueira Papus | |
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| M016 | 2018-09-28 | Eduardo Pereira | |
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| M017 | 2018-09-28 | Joel | |
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| M018 | 2018-09-28 | Gilberto | |
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| M019 | 2018-09-28 | Jean Carlos | |
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| M020 | 2018-09-28 | Emigoncalvez | |
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| M021 | 2018-09-28 | Jair | |
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| M022 | 2018-09-28 | Eduardo Tardin | |
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| M023 | 2018-09-28 | Edson Cabral | |
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| M024 | 2018-09-28 | Jose Ildo | |
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| M025 | 2018-09-28 | jorge | |
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| M026 | 2018-09-28 | Diego | |
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| M027 | 2018-09-28 | Tulio | |
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| M028 | 2018-09-28 | Pedro | |
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| M029 | 2018-09-28 | Luiz Carlos | |
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| M030 | 2018-09-28 | Henrique | |
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| M031 | 2018-09-28 | Jonatas Portugal | |
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| M032 | 2018-09-28 | Fabio Correa | |
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| M033 | 2018-09-28 | Lucas Sabino9 | |
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| M034 | 2018-09-28 | Francisco Chagas | |
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| M035 | 2018-09-28 | Rogerio | |
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| M036 | 2018-09-28 | Marcos Imbuzeiro | |
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| M037 | 2018-09-28 | Marcosvictor | |
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| M038 | 2018-09-28 | Paulo Campos | |
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| M039 | 2018-09-28 | Eduardo Duque | |
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| M040 | 2018-09-28 | Daniel Rientes | |
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| M041 | 2018-09-28 | Jonatas Ribeiro | |
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| M042 | 2018-09-28 | Jorge Humberto | |
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| M043 | 2018-09-28 | Rodrigo | |
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| M044 | 2018-09-28 | Francisco Emilio | |
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| M045 | 2018-09-28 | Pedro Henrique | |
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| M046 | 2018-09-28 | Henrique Mafra | |
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| M047 | 2020-02-19 | Salles Abi Abib | |
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| M048 | 2018-09-28 | Jackson Barbosa | |
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| M049 | 2018-09-28 | Luis Gustavo | |
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--- |
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## License and Usage |
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This dataset is provided **exclusively for research purposes**, as stipulated by CETUC. Any use outside research, including commercial purposes, redistribution, or modification without explicit permission, is strictly prohibited. |
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For more details on the licensing and terms of use, please refer to the original sources or contact CETUC. |
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