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original source: http://web.archive.org/web/20060831010952/http://cslu.ece.ogi.edu/nsel/data/SpEAR_database.html

SpEAR (Speech Enhancement and Assessment Resource) Database

http://ee.ogi.edu/NSEL/ (Beta Release v1.0)


The SpEAR Database contains carefully selected samples of noise corrupted speech with clean speech references. This beta version is a small initial release of the database to allow feedback for future developments of this resource.

All speech and noise sources have been acoustically combined and re-recorded. Synchronous clocking is used to provide an exact time-aligned reference to the clean speech signal (see Technical Details).

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Contents (more detailed description)

  • Original Speech Files (TIMIT/)

  • Noisy Speech Recordings (Noisy_Recordings/)- Recorded speech and recorded noise: acoustically combined and re-recorded. Various noise sources and different SNR levels.

  • Lombard Speech (Lombard/) - Live speech in a noisy environment. Recorded noise sources are used to allow extraction of a cleaned speech reference.

  • Monaural Recordings (Monaural/) - Two recorded speech signals: acoustically combined and re-recorded.

Future releases will contain a more substantial number of samples, additional additive noise sources, cellular and coding noise, etc.

Use of this data is free, but should be referenced in all publications as follows:

Speech Enhancement Assessment Resource (SpEAR) Database. http://ee.ogi.edu/NSEL/. Beta Release v1.0. CSLU, Oregon Graduate Institute of Science and Technology. E. Wan, A. Nelson, and Rick Peterson.

People

Principle Investigator:

Graduate Research Assistants:

  • Houwu Bai

  • Rudolph van der Merwe

  • Alex T. Nelson (graduated 2000)

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A database of clean and noisy speech for audio research

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