ELRA - ELRA-SD88 : High Noise Speech Corpus

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Catalog Reference : ELRA-SD88

High Noise Speech Corpus

Year: 2003
Application: Speech recognition
Introduction:
o 100 speakers were recorded through one common microphone to pick up air conduction sound and three types of vibration microphones to pick up bone conduction sound - headgear type, ear type, neck type - simultaneously in 2 opposite environments: no noise and high noise to be used for research into improvement of speech recognition. 40 speakers were recorded in no-noise environment (noise sound pressure: 0dBA), 20 speakers in high noise environment of played 60 dBA white noise and 20 speakers in high noise environment of played 80 dBA (SPL) white noise. 10 speakers who participated in recordings in no-noise environment also participated in recordings in 60 dBA and 80 dBA random noise environments to be used for the analysis of Lombard effect depending on noise levels
Speakers: a total of 100 speakers (Male: 50, Female: 50)
Environment:
o Soundproof room
- background noise level: 20dB(A)
- reverberation time: 0.4sec(@500Hz)
o Microphone
- primary microphone: Shure 565SD (Typical Dynamic Type)
- secondary microphones:
Temco HG-17 (Bone Conduction Headgear Type)
Temco EM-7 (Bone Conduction Ear Microphone)
Fostec FSN-101A (Neck Vibration Pick-up Type)
o Sampling and data format
- 16,000 Hz, 16 bit Windows wave format
Entries:
o Prompts
- 452 phonetically balanced words
- 5 sentences containing all the Korean phonemes (for all the speakers)
o Prompts Sheet
- 2 sets of words
- 5 sentences
o Per speaker
- 1 set of 226 words
- 5 sentences

Contents

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speech corpus
Language(s) : Korean
Source Channel : microphone