English (United States) conversational smartphone USE_ASR008 true Conversational Speech United States English 2.53 hours 2024 en-US Two participants recorded themselves on a smartphone having a 10-15 minute natural conversation on a selected topic, e.g. Hobbies, History. Includes some AAVE participants and some toxic speech. General / not domain-specific (read speech, digits, names, command & control) Mono 16 wav Mobile phone Low background noise Appen Global