497 Italians recorded in a relatively quiet environment in authentic English. The recorded script is designed by linguists and covers a wide range of topics including generic, interactive, on-board and home. The text is manually proofread with high accuracy. It matches with mainstream Android and Apple system phones. Format:16kHz, 16bit, uncompressed wav, mono channel Recording environment:quiet indoor environment, low background noise, without echo Recording content (read speech):generic category; human-machine interaction category; smart home command and control category; in-car command and control category; numbers. Demographics:497 speakers totally, with 35% males and 65% females; and 53% speakers of all are in the age group of 18-25,45% speakers of all are in the age group of 26-45, 2% speakers of all are in the age group of 46-68. Device:Android mobile phone, iPhone Language:English Application Scenario:Voice Recognition, Voice Print Recognition