SECURITIES AND 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 RULE 13d-2(b)
                         (Amendment No. 6)*

                         AVID TECHNOLOGY INC
     ___________________________________________________________
                           (Name of Issuer)


                            COMMON STOCK
     ___________________________________________________________
                   (Title of Class of Securities)


                              05367P100

                            (CUSIP Number)

                          December 31, 2006
     ___________________________________________________________
       (Date of Event Which Requires Filing of this Statement)


Check the  appropriate  box to designate  the Rule  pursuant to which
this Schedule is filed:

                         [X] Rule 13d - 1(b)
                         [ ] Rule 13d - 1(c)
                         [ ] Rule 13d - 1(d)

*    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  disclosures  provided in a
prior cover page.

     The  information  required on the  remainder  of this page shall
not be deemed to be  "filed"  for the  purpose  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.)

                  (Continued on following page(s))












-----------------                          --------------
CUSIP         No            13G             Page 2 of 6
05367P100                                      Pages
-----------------                          --------------



---------------------------------------------------------
  1    NAMES OF REPORTING PERSONS
       I.R.S.   IDENTIFICATION   NO.  OF  ABOVE  PERSONS
       (ENTITIES ONLY):

       Columbia Wanger Asset Management, L.P.
       04-3519872

---------------------------------------------------------
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  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
       (a) [ ]
                                           (b) [ ]
---------------------------------------------------------
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  3    SEC USE ONLY


---------------------------------------------------------
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  4    CITIZENSHIP OR PLACE OF ORGANIZATION

                                                Delaware
---------------------------------------------------------
---------------------------------------------------------
                                               5,989,300
                5   SOLE VOTING POWER
  NUMBER OF
    SHARES      6
 BENEFICIALLY
OWNED BY EACH
  REPORTING     7
 PERSON WITH
                8
---------------------------------------------------------
---------------------------------------------------------

                    SHARED VOTING POWER
---------------------------------------------------------
---------------------------------------------------------
                                               5,989,300
                    SOLE DISPOSITIVE POWER
---------------------------------------------------------
---------------------------------------------------------
                    SHARED DISPOSITIVE
                    POWER
---------------------------------------------------------
---------------------------------------------------------
  9    AGGREGATE  AMOUNT   BENEFICIALLY  OWNED  BY  EACH
       REPORTING PERSON

                                               5,989,300
---------------------------------------------------------
---------------------------------------------------------
  10   CHECK  IF  THE   AGGREGATE   AMOUNT  IN  ROW  (9)
       EXCLUDES CERTAIN SHARES*

                                                    [  ]
---------------------------------------------------------
---------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

                                                  14.61%
---------------------------------------------------------
---------------------------------------------------------
  12   TYPE OF REPORTING PERSON*

                                                      IA
---------------------------------------------------------
                *SEE INSTRUCTIONS BEFORE FILLING OUT!










Item 1(a).    Name of Issuer:

         AVID TECHNOLOGY INC

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

         Avid Technology Park
         One Park West
         Tewksbury, MA 01876

Item 2(a).    Name of Person Filing:

         Columbia Wanger Asset Management, L.P.

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

         227 West Monroe Street, Suite 3000
         Chicago, Illinois  60606

Item 2(c).    Citizenship:

         Delaware

Item 2(d).    Title of Class of Securities:

         Common Stock

Item 2(e).    CUSIP Number:

         05367P100

Item 3.  If This  Statement is Filed  Pursuant to Rule  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 Exchange Act.

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

         (c)  [ ]  Insurance  company as defined in  Section 3(a)(19)
              of the Exchange Act.

         (d)  [ ] Investment  company  registered  under Section 8 of
              the Investment Company Act.

         (e)  [X]  An   investment   adviser   in   accordance   with
         Rule 13d-1(b)(1)(ii)(E).

         (f)  [ ] An  employee  benefit  plan  or  endowment  fund in
              accordance with Rule 13d-1(b)(1)(ii)(F).

         (g)  [ ] A parent  holding  company  or  control  person  in
              accordance with Rule 13d-1(b)(1)(ii)(G).

         (h)  [ ] A savings  association  as defined in  Section 3(b)
              of the Federal Deposit Insurance Act.

         (i)  [  ]  A  church   plan  that  is   excluded   from  the
              definition  of  an  investment  company  under  Section
              3(c)(14) of the Investment Company Act.

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

         If this statement is filed pursuant to Rule 13d-1(c),  check
              this box.  [  ]

Item 4.       Ownership:

         With respect to the  beneficial  ownership of the  reporting
         person,  see Items 5 through  11 of the cover  pages to this
         Schedule 13G, which are incorporated herein by reference.

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

         If this  statement is being filed to report the fact that as
         of the date  hereof  the  reporting  person has ceased to be
         the beneficial  owner of more than five percent of the class
         of securities, check the following  [    ].

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

         The  shares  reported  herein  include  the  shares  held by
         Columbia Acorn Trust (CAT), a  Massachusetts  business trust
         that is advised by the  reporting  person.  CAT holds 11.66%
         of the Issuer's shares.

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:

         By signing below each of the undersigned  certifies that, to
         the best of such  undersigned's  knowledge  and belief,  the
         securities  referred to above were not  acquired and are not
         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.

                                SIGNATURE

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

Dated:   January 8, 2007

                              Columbia Wanger Asset Management, L.P.

                              By:                  /s/ Bruce H. Lauer

                              Bruce H. Lauer,
                              Senior Vice President and Secretary,
                              WAM  Acquisition   GP,  Inc.,   General
                              Partner








                                                         Exhibit 99.1

                  EXHIBIT 99.1 - JOINT FILING AGREEMENT

     The   undersigned   hereby  agree  that  they  are  filing  this
statement  jointly  pursuant  to  Rule  13d-1(k)(1).  Each of them is
responsible  for  the  timely  filing  of such  Schedule  13G and any
amendments  thereto,  and for the  completeness  and  accuracy of the
information  concerning such person  contained  therein;  but none of
them  is  responsible  for  the   completeness  or  accuracy  of  the
information  concerning the other persons  making the filing,  unless
such person knows or has reason to believe that such  information  is
inaccurate.

     In  accordance  with  Rule  13d-1(k)(1)  promulgated  under  the
Securities  and Exchange  Act of 1934,  as amended,  the  undersigned
hereby  agree to the joint  filing  with each other on behalf of each
of them of to such a statement  on Schedule  13G with  respect to the
common  stock  of  beneficially  owned by each of  them.  This  Joint
Filing  Agreement  shall be included  as an exhibit to such  Schedule
13G.


Dated:   January 8, 2007

                              Columbia Wanger Asset Management, L.P.

                              By:                  /s/ Bruce H. Lauer

                              Bruce H. Lauer,
                              Senior Vice President and Secretary,
                              WAM  Acquisition   GP,  Inc.,   General
                              Partner

                              Columbia Acorn Trust

                              By:                  /s/ Bruce H. Lauer

                              Bruce H. Lauer,
                              Vice President, Treasurer and Secretary