8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 18, 2007

Arbitron Inc.

(Exact Name of Registrant as Specified in Charter)

Delaware	1-1969	52-0278528
(State or Other Juris- diction of Incorporation	(Commission File Number)	(IRS Employer Identification No.)

142 West 57th Street, New York, New York	10019-3300
(Address of Principal Executive Offices)	(Zip Code)

Registrant’s telephone number, including area code: 212-887-1300

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

     Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

     o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

     o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

     o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

     o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01. Regulation FD Disclosure

     Arbitron Inc. (the “Company”) is scheduled to present at the C.L. King Best Ideas Conference to be held at the Omni Berkshire Place Hotel in New York City, New York, on Tuesday, September 18, 2007 and Wednesday, September 19, 2007. A copy of the slide show presentation to be made at the conference is attached hereto as Exhibit 99.1.

     Steve Morris, the Company’s chairman, president and chief executive officer, and Sean Creamer, the Company’s chief financial officer, will provide an overview of the Company’s business and financial highlights on September 18th at 10:00 a.m. ET.

     This event will be available as a live, listen-only webcast. To access the live webcast of the event, visit the Company’s website at www.arbitron.com and click on ‘investors.’ The presentation will also be archived for 90 days in the investor relations section of the Company’s website: www.arbitron.com.

     The information in this Form 8-K (including Exhibit 99.1) shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits

(c) Exhibits.

99.1 Slides from presentation by management to investors at C.L. King Best Ideas Conference on September 18, 2007

     Forward-Looking Statements

     This Form 8-K (including Exhibit 99.1) contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. The statements regarding Arbitron Inc. and its subsidiaries (“we,” “our,” “Arbitron” or the “Company”) in this document that are not historical in nature, particularly those that utilize terminology such as “may,” “will,” “should,” “likely,” “expects,” “anticipates,” “estimates,” “believes,” or “plans” or comparable terminology, are forward-looking statements based on current expectations about future events, which Arbitron has derived from information currently available to it. These forward-looking statements involve known and unknown risks and uncertainties that may cause our results to be materially different from results implied in such forward-looking statements. These risks and uncertainties include, in no particular order, whether we will be able to:

• successfully implement the rollout of our Portable People MeterTM service;

• renew contracts with large customers as they expire;

• successfully execute our business strategies, including entering into potential acquisition, joint-venture or other material third-party agreements;

• effectively manage the impact of any further ownership shifts in the radio and advertising agency industries;

• respond to rapidly changing technological needs of our customer base, including creating new proprietary software systems and new customer products and services that meet these needs in a timely manner;

• successfully manage the impact on our business of any economic downturn generally and in the advertising market in particular;

• successfully manage the impact on costs of data collection due to lower respondent cooperation in surveys, privacy concerns, consumer trends, technology changes and/or government regulations;

• successfully develop and implement technology solutions to measure multi-media and advertising in an increasingly competitive environment; and

• successfully obtain and/or maintain Media Rating Council^® accreditation for our audience measurement services.

     Additional important factors known to Arbitron that could cause actual results to differ materially from our forward-looking statements are identified and discussed from time to time in Arbitron’s filings with the Securities and Exchange Commission, including in particular the risk factors discussed under the caption “ITEM 1A. RISK FACTORS” in Arbitron’s Annual Report on Form 10-K for the year ended December 31, 2006.

     The forward-looking statements contained in this document speak only as of the date hereof, and Arbitron undertakes no obligation to correct or update any forward-looking statements, whether as a result of new information, future events or otherwise.

SIGNATURE

     Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	ARBITRON INC.
Date: September 18, 2007	By:	/s/ Timothy T. Smith
		Timothy T. Smith
		Executive Vice President & Chief Legal Officer, Legal & Business Affairs

EXHIBIT INDEX

Exhibit No.	Description
99.1	Slides from presentation by management to investors at C.L. King Best Ideas Conference on September 18, 2007

EX-99.1

Exhibit 99.1

Arbitron Inc. NYSE: ARB A world leader in media and marketing information services

Forward-Looking Statements Statements made in this presentation that are not historical in nature, particularly regarding expected performance in 2007 and future years, are forward-looking statements. These forward-looking statements are based on current expectations and assumptions, and entail various risks and uncertainties that could cause actual results to differ materially from those expressed in such forward-looking statements. Important factors known by the company that could cause such material differences are discussed from time to time in Arbitron's filings with the Securities and Exchange Commission, including in particular the risk factors discussed under the caption "ITEM 1A - Risk Factors" in our Annual Report on Form 10-K.

NYSE: ARB Leading media and marketing research firm Established: 1949 Reverse spin Ceridian: March 2001 Headquarters: New York Research and Technology center: Columbia, MD 1,900 employees Market cap: $1.45 billion

Company Profile Technology and methods innovator Worldwide reputation Credibility Quality Integrity Attractive investment thesis

Radio ratings 70% Consumer retail and media profiles 10% Software 16% Custom and international 4% Revenue Profile

Marketplace Profile 4,613 Radio Stations 1,725 Advertising Agencies 349 Broadcast TV Stations 410 Advertisers 177 Newspapers 91 Out-of-Home Customers 79 Cable TV Customers Revenue Composition Revenue Composition By customer base By customer base Radio related 85% Other 15% Clients counts as of February 2007

Why Invest in Arbitron? Strong financial foundation Sustainable competitive advantage Well-defined strategies for growth

Strong Financial Foundation Consistent revenue growth Healthy margins Superior returns Solid cash flow Strong balance sheet

Sustainable Competitive Edge Established as "currency" in core market Proactive defensive strategies in place Extensive patent portfolio

Well-Defined Growth Strategies Portable People MeterTM (PPM) electronic ratings for radio Project Apollo for media and marketing research (using PPM) Joint ventures and acquisitions

Portable People Meter

PPM for Ratings: Status Report Clear Channel and major broadcasters signed 75% of top ten market ad revenue 70% of top 50 market ad revenue Top 50 rollout underway Philadelphia and Houston now "currency" New York on track for 4Q 2007 Los Angeles and Chicago for 1Q 2008 "Teething pains" in first markets (not unexpected) Five groups funding late 2007 competitive test

Purchases Media exposure Project Apollo + Improved ad buys Which media do my brand buyers use most? =

Purchases Do shoppers who see my ads buy my brand? Advertising ROI = Media exposure Project Apollo +

Project Apollo: Status Report National pilot panel (11,000 persons) since Jan '05 Seven advertisers on Steering Committee P&G, Unilever, Kraft, Pepsi, Johnson & Johnson*, SC Johnson, Wal-Mart Joint LLC formed (Arbitron + Nielsen) Initial findings "...show promise" (Wall Street Journal: Feb 27) "...change the way we think about media" (BusinessWeek: July 9) Next steps decision: 4Q 2007 *via acquisition from Pfizer

What We Expect Arbitron's Marketplace Goals PPM as gold standard for radio ratings An extended period of competitive advantage Secure international flanks Broader penetration among advertisers, marketers and additional media

What We Expect Arbitron's Financial Goals Ratings margins restored to historical levels on an enhanced base at end of PPM rollout Larger, more diversified revenue base due to Project Apollo and acquisitions / joint ventures Optimized capital structure

Financial Metrics 2002 2003 2004 2005 2006 2007 EBIT 86 93 98 101 84 Revenue 250 274 297 310 329 350 EBIT Margin 0.343 0.339 0.332 0.3273 0.2551 $ in Millions Guidance $347-$354 Revenue EBIT 2001-2006 Revenue CAGR = 7.7%

Financial Metrics 2002 2003 2004 2005 2006 2007 EBIT 86 93 98 101 84 Revenue 250 274 297 310 329 350 EBIT Margin 0.343 0.339 0.332 0.3273 0.2551 $ in Millions Guidance $347-$354 2001-2006 Revenue CAGR = 7.7% Impact of planned PPM rollout spending (2007 will be trough year) EPS: $1.42 $1.63 $1.92 $2.14 $1.68 $1.35-$1.45* Revenue EBIT EBIT Margin *Updated 7/19/2007

Guidance 2007 revenue growth: +5.5 to 7.5 percent 2007 earnings per share: $1.35-$1.45* 2008 outlook: Revenue growth to double digits EBIT growth higher than revenue growth Process of restoring margins begins *Updated 7/19/2007

EBIT Reconciliation Years Ended December 31, 2002, through 2006 (in millions) '02 '03 '04 '05 '06 EBIT $86 $93 $98 $101 $84 Net Interest (16) (12) (6) (1) (3) Income Tax (27) (31) (31) (33) (30) Net Income $43 $50 $61 $67 $51 Arbitron's management believes earnings before interest and income taxes (EBIT) are useful in evaluating Arbitron's historical results since it excludes certain items not directly related to core operating performance. EBIT is calculated by adding net interest expense and income tax expense to net income.

Why Invest in Arbitron? Strong financial foundation Sustainable competitive advantage Well-defined strategies for growth

Arbitron Inc. NYSE: ARB A world leader in media and marketing information services