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Sidney Lau is a system of romanisation for Standard Cantonese, developed by Sidney Lau for teaching Cantonese. It was developed for use in Cantonese radio, and is essentially an adaptation of the Meyer-Wempe romanisation.

Contents 1 Initials 2 Finals 3 Tones 4 External links

[edit] Initials

b [p]	p [pʰ]	m [m]	f [f]
d [t]	t [tʰ]	n [n]	l [l]
g [k]	k [kʰ]	ng [ŋ]	h [h]
j [ts]	ch [tsʰ]	s [s]
gw [kw]	kw [kʰw]	y [j]	w [w]

[edit] Finals

a [aː]	aai [aːi]	aau [aːu]	aam [aːm]	aan [aːn]	aang [aːŋ]	aap [aːp]	aat [aːt]	aak [aːk]
	ai [ɐi]	au [ɐu]	am [ɐm]	an [ɐn]	ang [ɐŋ]	ap [ɐp]	at [ɐt]	ak [ɐk]
e [ɛː]	ei [ei]				eng [ɛːŋ]			ek [ɛːk]
i [iː]		iu [iːu]	im [iːm]	in [iːn]	ing [ɪŋ]	ip [iːp]	it [iːt]	ik [ɪk]
oh [ɔː]	oi [ɔːi]	o [ou]		on [ɔːn]	ong [ɔːŋ]		ot [ɔːt]	ok [ɔːk]
oo [uː]	ooi [uːi]			oon [uːn]	ung [ʊŋ]		oot [uːt]	uk [ʊk]
euh [œː]		ui [ɵy]		un [ɵn]	eung [œːŋ]		ut [ɵt]	euk [œːk]
ue [yː]				uen [yːn]			uet [yːt]

[edit] Tones

Seven tones are indicated using superscripted numbers.

Tone description	Marking
high falling 1	a1
middle rising 2	a2
middle level 3	a3
high level 10
low falling 4	a4
low rising 5	a5
low level 6	a6

[edit] External links

• Explanation of Sidney Lau's Cantonese Romanization System
• Cantonese writing, with information on Sidney Lau romanisation