Table 1. English speech accent datasets.

Reference	Dataset	Accents	Spread	Speakers	Samples	Quality	Availability	Owner
Garofolo et al. (1992)	TIMIT	8	US	630	6,300	Controlled	Public	MIT
Weinberger & Kunath (2011)	SAA	200	Globe	2,138	2,138	Crowd-sourced	Public	GMU
Schuller et al. (2016)	TOEFL	11	Globe	11,000	11,000	Controlled	Private	ETS
Ge (2015)	FAE	23	Globe	4,925	4,925	Controlled	Private	CSLU
Ardila et al. (2019)	CV	16	Globe	66,173	66,173	Crowd sourced	Public	Mozilla
West (2013)	AISEB	4	BB	160	160	Controlled	Private	York
Ferragne & Pellegrino (2010)	ABI	14	Britain	285	57 hrs	Controlled	Private	UoB
Kalluri, Vijayasenan & Ganapathy (2020)	NISP	5	India	345	15,000	Controlled	Public	N-I
Demirsahin et al. (2020)	OBI	5	Britain	120	17,877	Crowd sourced	Public	ELRA