American Children Speech Data by Microphone - 50 Hours

Full Official Name: American Children Speech Data by Microphone - 50 Hours
Submission date: Oct. 7, 2022, 4:47 p.m.

It is recorded by 219 American children native speakers. The recording texts are mainly storybook, children's song, spoken expressions, etc. 350 sentences for each speaker. Each sentence contain 4.5 words in average. Each sentence is repeated 2.1 times in average. The recording device is hi-fi Blueyeti microphone. The texts are manually transcribed. Format:44.1kHz, 16bit, uncompressed wav, mono channel Recording environment:quiet indoor environment, without echo Recording content (read speech):children’s textbooks, story books, oral language, numbers, letters Speaker:219 American children, 55% of which are female Device:Blueyeti Microphone Language:American English Transcription content:text, time point of speech data, noise symbols, special identifiers Accuracy rate:95% (the accuracy rate of noise symbols and other identifiers is not included) Application scenarios:speech recognition, voiceprint recognition

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