Dari (Afghanistan) conversational telephony DAR_ASR001 false Conversational Speech Afghanistan Dari 40 hours 2010 fa-AF Dataset is fully transcribed and timestamped;Dataset is accompanied by a pronunciation lexicon containing all transcribed words;Dataset is largely speech only and does not include music or advertisements;13% landline, 87% mobile General / not domain-specific (read speech, digits, names, command & control) Stereo 8 alaw Mobile phone and landline Low background noise Appen Global