This corpus were recorded in silence in-door environment using cellphone. It has 10 speakers. Each speaker has about 350 utterances. All utterances were carefully transcribed and checked by human. Transcription accuracy is guaranteed. If there is any problems, we agree to correct them for you. 	

Please cite the data as “ST-AEDS-20180100_1, Free ST American English Corpus”.

The data set is a subset of a much bigger data set (about 1000hours) which was recorded in the same environment as this open source data. Please visit our website www.surfing.ai or contact us at contact@surfingtech.cn for details.