Hausa (Nigeria) conversational telephony HAU_ASR002 false Conversational Speech Nigeria Hausa 33 hours 2015 ha-NG Dataset is fully transcribed and timestamped;Dataset is accompanied by a pronunciation lexicon containing all transcribed words;200 telephony conversations are recorded for this project - 100 speakers make 2 calls each (1 from landline, 1 from mobile) to a pool of 100 call receivers General / not domain-specific (read speech, digits, names, command & control) Stereo 8 alaw Mobile phone Low background noise Appen Global