SECURITIES & EXCHANGE COMMISSION
                             Washington, D.C. 20549
                             ----------------------

                                  SCHEDULE 13G*
                                 (Rule 13d-102)

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED
                              PURSUANT TO 13d-2(b)

                                  Arbitron Inc.
                                (Name of Issuer)

                                  Common Stock
                         (Title of Class of Securities)

                                    03875Q108
                                 (CUSIP Number)

                                  March 9, 2006
             (Date of event which requires filing of this statement)


     Check the appropriate box to designate the rule pursuant to which this
Schedule 13G is filed:
     [ ]  Rule 13d-1(b)
     [x]  Rule 13d-1(c)
     [ ]  Rule 13d-1(d)





                              (Page 1 of 13 Pages)
----------------
     *The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.

     The information required in the remainder of this cover page shall not be
deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act
of 1934 ("Act") or otherwise subject to the liabilities of that section of the
Act but shall be subject to all other provisions of the Act (however, see the
Notes).






CUSIP No. 03875Q108                 13G                    Page 2 of 13 Pages

-----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO. OF ABOVE
            PERSONS (ENTITIES ONLY)
                                                        Eminence Partners, LP
-----------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                  (a)  [x]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                            New York
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                1,130,480
OWNED BY       ______________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING      ______________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                1,130,480
-----------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                                1,130,480
-----------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                                3.6%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                PN
-----------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!






CUSIP No. 03875Q108                 13G                    Page 3 of 13 Pages

-----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                                     Eminence Partners II, LP
-----------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                  (a)  [x]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                            New York
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                66,400
OWNED BY       ______________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING      ______________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                66,400
-----------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                                66,400
-----------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                                0.2%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                PN
-----------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!






CUSIP No. 03875Q108                 13G                    Page 4 of 13 Pages

-----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                                      Eminence Long Alpha, LP
-----------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                  (a)  [x]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                            Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                154,100
OWNED BY       ______________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING      ______________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                154,100
-----------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                                154,100
-----------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                                0.5%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                PN
-----------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!






CUSIP No. 03875Q108                 13G                    Page 5 of 13 Pages

-----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                            Eminence Leveraged Long Alpha, LP
-----------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                  (a)  [x]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                            Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                97,620
OWNED BY       ______________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING      ______________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                97,620
-----------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                                97,620
-----------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                                0.3%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                PN
-----------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!






CUSIP No. 03875Q108                 13G                    Page 6 of 13 Pages

----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                                             Eminence GP, LLC
-----------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                  (a)  [x]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                            New York
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                1,448,600
OWNED BY       ______________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING      ______________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                1,448,600
-----------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                                1,448,600
-----------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                                4.7%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                OO
-----------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!






CUSIP No. 03875Q108                 13G                    Page 7 of 13 Pages

-----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                                        Eminence Capital, LLC
-----------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                  (a)  [x]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                            New York
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                2,825,000
OWNED BY       ______________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING      ______________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                2,825,000
-----------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                                2,825,000
-----------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                                9.1%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                IA
-----------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!






CUSIP No. 03875Q108                 13G                    Page 8 of 13 Pages

-----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                                             Ricky C. Sandler
-----------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                  (a)  [x]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                            United States
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                2,825,000
OWNED BY       ______________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING      ______________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                2,825,000
-----------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                                2,825,000
-----------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                                9.1%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                IN
-----------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!






CUSIP No. 03875Q108                 13G                    Page 9 of 13 Pages

Item 1(a).     Name of Issuer:

     The name of the issuer is Arbitron Inc. (the "Company").

Item 1(b).     Address of Issuer's Principal Executive Offices:

     The Company's principal executive offices are located at 142 West 57th
Street, New York, NY 10019

Item 2(a).     Name of Person Filing:

     This statement is filed by:

          (i)  Eminence Partners, LP, a New York limited partnership
               ("Eminence I"), with respect to the shares of Common Stock as
               defined in item 2(d) below directly owned by it;

         (ii)  Eminence Partners II, LP, a New York limited partnership
               ("Eminence II")with respect to the shares of Common Stock
               directly owned by it;

        (iii)  Eminence Long Alpha, LP, a Delaware limited partnership ("ELA"),
               with respect to the shares of Common Stock directly owned by it;

         (iv)  Eminence Leveraged Long Alpha, LP, a Delaware limited partnership
               ("ELLA" and together with Eminence I, Eminence II, and ELA, the
               "Partnerships"), with respect to the shares of Common Stock
               directly owned by it;

          (v)  Eminence GP, LLC, a New York limited liability company ("Eminence
               GP"), with respect to the shares of Common Stock directly owned
               by the Partnerships and Eminence Long Alpha Master Fund, Ltd. and
               Eminence Leveraged Long Alpha Master Fund, Ltd., each Cayman
               Islands companies to which Eminence GP serves as manager (the
               "Offshore Master Funds");

         (vi)  Eminence Capital, LLC, a New York limited liability company (the
               "Investment Manager"), which serves as the investment manager to
               the Partnerships and investment manager to Eminence Fund, Ltd., a
               Cayman Islands company ("Eminence Offshore", and together with
               the Offshore Master Funds, the "Offshore Funds"), with respect to
               the shares of Common Stock directly owned by the Partnerships and
               the Offshore Funds; and

         (vii) Ricky C. Sandler, with respect to the shares of Common Stock
               directly owned by the Partnerships and the Offshore Funds over
               which Mr. Sandler has investment discretion.

         The foregoing persons are hereinafter sometimes collectively referred
to as the "Reporting Persons." Any disclosures herein with respect to persons
other than the Reporting Persons are made on information and belief after making
inquiry to the appropriate party.






CUSIP No. 03875Q108                 13G                   Page 10 of 13 Pages

Item 2(b).     Address of Principal Business Office or, if None, Residence:

     The address of the principal business and principal office of the
Partnerships, Eminence GP and the Investment Manager is 65 East 55th Street,
25th Floor, New York, NY 10022. The business address of Mr. Sandler is 65 East
55th Street, 25th Floor, New York, NY 10022.

Item 2(c).     Citizenship:

     Eminence I and Eminence II are limited partnerships organized under the
laws of the State of New York. ELA and ELLA are limited partnerships organized
under the laws of the State of Delaware. Each of Eminence GP and the Investment
Manager is a limited liability company organized under the laws of the State of
New York. Mr. Sandler is a United States citizen.

Item 2(d).     Title of Class of Securities:
     Common stock, par value $0.50 per share (the "Common Stock").

Item 2(e).  CUSIP Number:  03875Q108

Item 3.   If this statement is filed pursuant to Rules 13d-1(b) or 13d-2(b) or
(c), check whether the person filing is a:

          (a)  [ ]  Broker or dealer registered under Section 15 of the
                    Act,

          (b)  [ ]  Bank as defined in Section 3(a)(6) of the Act,

          (c)  [ ]  Insurance Company as defined in Section 3(a)(19) of
                    the Act,

          (d)  [ ]  Investment Company registered under Section 8 of the
                    Investment Company Act of 1940,

          (e)  [ ]  Investment Adviser in accordance with Rule
                    13d-1 (b)(1)(ii)(E),

          (f)  [ ]  Employee Benefit Plan or Endowment Fund in accordance
                    with Rule 13d-1 (b)(1)(ii)(F),

          (g)  [ ]  Parent Holding Company or control person in accordance
                    with Rule 13d-1 (b)(1)(ii)(G),

          (h)  [ ]  Savings Association as defined in Section 3(b) of the
                    Federal Deposit Insurance Act,

          (i)  [ ]  Church Plan that is excluded from the definition of an
                    investment company under Section 3(c)(14) of the
                    Investment Company Act of 1940,

          (j)  [ ]  Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

     Not applicable






CUSIP No. 03875Q108                 13G                  Page 11 of 13 Pages

Item 4.   Ownership.

      A. Eminence Partners, LP
            (a) Amount beneficially owned: 1,130,480
            (b) Percent of class: 3.6%. The percentages used herein and in the
rest of Item 4 are calculated based upon the 31,077,453 shares of Common Stock
outstanding at February 21,2006, as set forth in the Company's Form 10-K for the
fiscal year ended December 31, 2005.
            (c)(i) Sole power to vote or direct the vote: 0
              (ii) Shared power to vote or direct the vote: 1,130,480
             (iii) Sole power to dispose or direct the disposition: 0
              (iv) Shared power to dispose or direct the disposition: 1,130,480

      B. Eminence Partners II, LP
            (a) Amount beneficially owned: 66,400
            (b) Percent of class: 0.2%
            (c)(i) Sole power to vote or direct the vote: 0
              (ii) Shared power to vote or direct the vote: 66,400
             (iii) Sole power to dispose or direct the disposition: 0
              (iv) Shared power to dispose or direct the disposition: 66,400

      C. Eminence Long Alpha, LP
            (a) Amount beneficially owned: 154,100
            (b) Percent of class: 0.5%
            (c)(i) Sole power to vote or direct the vote: 0
              (ii) Shared power to vote or direct the vote: 154,100
             (iii) Sole power to dispose or direct the disposition: 0
              (iv) Shared power to dispose or direct the disposition: 154,100

      D. Eminence Leveraged Long Alpha, LP
            (a) Amount beneficially owned: 97,620
            (b) Percent of class: 0.3%
            (c)(i) Sole power to vote or direct the vote: 0
              (ii) Shared power to vote or direct the vote: 97,620
             (iii) Sole power to dispose or direct the disposition: 0
              (iv) Shared power to dispose or direct the disposition: 97,620

      E. Eminence GP, LLC
            (a) Amount beneficially owned: 1,448,600
            (b) Percent of class: 4.7%
            (c)(i) Sole power to vote or direct the vote: 0
              (ii) Shared power to vote or direct the vote: 1,448,600
             (iii) Sole power to dispose or direct the disposition: 0
              (iv) Shared power to dispose or direct the disposition: 1,448,600

      F. Eminence Capital, LLC
            (a) Amount beneficially owned: 2,825,000
            (b) Percent of class: 9.1%
            (c)(i) Sole power to vote or direct the vote: 0
              (ii) Shared power to vote or direct the vote: 2,825,000
             (iii) Sole power to dispose or direct the disposition: 0
              (iv) Shared power to dispose or direct the disposition: 2,825,000






CUSIP No. 03875Q108                 13G                   Page 12 of 13 Pages

      G. Ricky C. Sandler
            (a) Amount beneficially owned: 2,825,000
            (b) Percent of class: 9.1%
            (c)(i) Sole power to vote or direct the vote: 0
              (ii) Shared power to vote or direct the vote: 2,825,000
             (iii) Sole power to dispose or direct the disposition: 0
              (iv) Shared power to dispose or direct the disposition: 2,825,000

Item 5.     Ownership of Five Percent or Less of a Class.

     Not Applicable.


Item 6.     Ownership of More than Five Percent on Behalf of Another Person.

     Eminence GP, the general partner of the Partnerships, has the power to
direct the affairs of the Partnerships, including decisions respecting the
disposition of the proceeds from the sale of the shares. Mr. Sandler serves as
the Managing Member of Eminence GP and the Investment Manager and in that
capacity directs their operations.

Item 7.     Identification and Classification of the Subsidiary Which Acquired
the Security Being Reported on by the Parent Holding Company.

     Not Applicable.

Item 8.  Identification and Classification of Members of the Group.

     Not Applicable.

Item 9.  Notice of Dissolution of Group.

     Not Applicable.

Item 10.  Certification.

     Each of the Reporting Persons hereby makes the following certification:

          By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were not acquired and are not held for
the purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.






CUSIP No. 03875Q108                 13G                   Page 13 of 13 Pages

SIGNATURES

After reasonable inquiry and to the best of our knowledge and belief, the
undersigned certify that the information set forth in this statement is true,
complete and correct.


DATED:  March 17, 2006

                                    /s/ Ricky C. Sandler
                                    ---------------------
                                    Ricky C. Sandler, individually, and as
                                    Managing Member of
                                    Eminence Capital, LLC,
                                       and as
                                    Managing Member of
                                    Eminence GP, LLC, for itself and as
                                       General Partner of
                                       Eminence Partners, LP,
                                       Eminence Partners II, LP,
                                       Eminence Long Alpha, LP and
                                       Eminence Leveraged Long Alpha, LP