831 Hours–Mobile Telephony British English Speech Data, which is recorded by 1651 native British speakers. The recording contents cover many categories such as generic, interactive, in-car and smart home. The texts are manually proofreaded to ensure a high accuracy rate. The database matchs the Android system and IOS. 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:1,651 speakers totally, with 43% male and 57% female; and 51% speakers of all are in the age group of 13-25,41% speakers of all are in the age group of 26-45, 8% speakers of all are in the age group of 46-70; Device:Android mobile phone, iPhone Language:English Application scenarios:speech recognition; voiceprint recognition.