TABLE 1.

Description of sounds.

	Acoustic category	Sound ID	Description
Target	Monkey	coo	Conspecific vocalization
		warble	Conspecific vocalization
	Words	[ko.′mi.ða]	Spanish word for food
		[′pwεɾ.ta]	Spanish word for door
		[a.ni.′ma.les]	Spanish word for animals
		[′ři.o]	Spanish word for river
		[no]	Spanish word for not
		[la.′βa.βo]	Spanish word for sink
	Animal	moo	Vocal sound of a cow
	Artificial	bounce	Bouncing tone
		PT500	Pure tone (500 Hz)
Non-target	Monkey	grunt	Conspecific vocalization
		grunt2	Conspecific vocalization
		shrill bark	Conspecific vocalization
		Pulsed	Conspecific vocalization
	Words	[′lo.ka]	Spanish word for crazy
		[kimi]	Spanish pseudoword
		[′t∫aŋ.gi]	Spanish pseudoword
		[si]	Spanish word for yes
		[′xaw.la]	Spanish word for cage
		[mo.ni.′tor]	Spanish word for monitor
		[′po.sa]	Spanish pseudoword
		[′pa.si]	Spanish pseudoword
		[i.′γlu]	Spanish word for igloo
		[pa.lo.′mi.tas]	Spanish word for popcorn
	Animal	meow	Cat vocalization
		chirp	Bird vocalization
		screech	Parrot vocalization
		caw	Crow vocalization
		woof	Dog vocalization
		hoot	Owl vocalization
	Artificial	AM-tone	1 kHz
		buzz	Mosquito whine
		ring	Cellphone ring tone
		ring2	Ring bell
		noise	Passband noise (1–4 kHz)

Sounds in bold were selected for generating morphs and formant-pass sounds.