Exhibit 12.1

Arbitron Inc.
Ratio of earnings to combined fixed charges

																	Three Months Ended,
		Years Ended December 31,															March 31,
		2001			2000			1999			1998			1997			2002		2001
Earnings
	Net income	$	36,462		$	45,263		$	39,742		$	34,191		$	24,719		$	14,242	$	16,295
	Income tax expense		23,805			29,552			25,946			22,288			16,137			8,915		10,622
	Interest expense		15,554			—			—			—			—			4,433		288
	Amortization of debt issue costs		563			—			—			—			—			153		98
	Portion of rent expense considered to represent interest (a)		2,748			2,408			2,253			2,226			2,116			737		603
	Distribution of earnings from affiliate		4,200			2,875			3,276			2,750			1,549			1,200		1,101
	Equity in net income of affiliate		(4,285	)		(3,397	)		(2,253	)		(2,452	)		(1,768	)		1,245		1,123
	Total earnings	$	79,047		$	76,701		$	68,964		$	59,003		$	42,753		$	30,925	$	30,130
Fixed Charges
	Interest expense	$	15,554		$	—		$	—		$	—		$	—		$	4,433	$	288
	Amortization of debt issue costs		563			—			—			—			—			153		98
	Portion of rent expense considered to represent interest (a)		2,748			2,408			2,253			2,226			2,116			737		603
	Total fixed charges	$	18,865		$	2,408		$	2,253		$	2,226		$	2,116		$	5,323	$	989
Ratio			4.2x			31.9x			30.6x			26.5x			20.2x			5.8x		30.5x

(a) The Company considers one-third of rent expense to represent interest expense.