Exhibit 10.37.5

AMENDMENT NO. 6
TO REVOLVING CREDIT AND SECURITY AGREEMENT

     THIS AMENDMENT NO. 6 (this “Agreement”) is entered into as of December 29, 2009, by and between DIGITAL RECORDERS, INC. (“DR”), TWINVISION OF NORTH AMERICA, INC. (“TVna”, collectively with DR, each a “Borrower”, and collectively the “Borrowers”), DRI CORPORATION (“DRI”, DRI and the Borrowers, each a “Loan Party, and collectively, the “Loan Parties”), the financial institutions party hereto (collectively, the “Lenders” and individually a “Lender”) and PNC BANK, NATIONAL ASSOCIATION (“PNC”), as agent for Lenders (PNC, in such capacity, the “Agent”).

BACKGROUND

     Loan Parties, Lenders and Agent are parties to that certain Revolving Credit and Security Agreement dated June 30, 2008 (as amended, restated, supplemented or otherwise modified from time to time, the “Loan Agreement”) pursuant to which Agent and Lenders provide Borrowers with certain financial accommodations.

     Loan Parties have requested that Agent and Lenders amend certain provisions of the Loan Agreement as hereafter provided, and Agent and Lenders are willing to do so on the terms and conditions hereafter set forth.

     NOW, THEREFORE, in consideration of any loan or advance or grant of credit heretofore or hereafter made to or for the account of Borrowers by Agent or Lenders, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto hereby agree as follows:

     1. Definitions. All capitalized terms not otherwise defined or amended herein shall have the meanings given to them in the Loan Agreement.

     2. Amendment. Subject to the satisfaction of Section 3 below, the Loan Agreement is hereby amended as follows:

          (a) The table appearing in Section 6.5(b) of the Loan Agreement is hereby amended to read in its entirety as set forth below:

Fiscal Quarter Ending:		Leverage Ratio:
September 30, 2009			5.25 to 1.0
December 31, 2009			5.00 to 1.0
March 31, 2010			6.75 to 1.0
June 30, 2010			8.25 to 1.0
September 30, 2010			7.00 to 1.0
December 31, 2010 and each fiscal quarter ending thereafter			5.50 to 1.0

     3. Conditions of Effectiveness. This Agreement shall become effective when Agent shall have received (x) four (4) copies of this Agreement executed by the Required Lenders and each Loan Party, (y) an amendment fee of $15,000, which may be charged to Borrowers’ Account as a Revolving Advance and (z) an executed copy of an amendment to the Subordinated Loan Documentation in form and substance satisfactory to Agent.

     4. Representations, Warranties and Covenants. Each Loan Party hereby represents, warrants and covenants as follows:

     (a) This Agreement, the Loan Agreement and the Other Documents constitute legal, valid and binding obligations of such Loan Party and are enforceable against such Loan Party in accordance with their respective terms.

     (b) Upon the effectiveness of this Agreement, each Loan Party hereby reaffirms all covenants, representations and warranties made in the Loan Agreement and the Other Documents to the extent the same are not amended hereby and agrees that all such covenants, representations and warranties shall be deemed to have been remade as of the effective date of this Agreement.

     (c) The execution, delivery and performance of this Agreement and all other documents in connection therewith has been duly authorized by all necessary corporate action, and does not contravene, violate or cause the breach of any agreement, judgment, order, law or regulation applicable to any Loan Party

     (d) No Event of Default or Default has occurred and is continuing or would exist after giving effect to this letter amendment.

     (e) No Loan Party has any defense, counterclaim or offset with respect to the Loan Agreement or the Obligations.

     5. Effect on the Loan Agreement.

     (a) Upon the effectiveness of this Agreement, each reference in the Loan Agreement to “this Agreement,” “hereunder,” “hereof,” “herein” or words of like import shall mean and be a reference to the Loan Agreement as amended hereby. Except as specifically amended herein, the Loan Agreement, and all other documents, instruments and agreements executed and/or delivered in connection therewith, shall remain in full force and effect, and are hereby ratified and confirmed. This Agreement shall constitute an “Other Document” for all purposes under the Loan Agreement.

     (b) The execution, delivery and effectiveness of this Agreement shall not operate as a waiver of any right, power or remedy of Agent or any Lender, nor constitute a waiver of any provision of the Loan Agreement, or any other documents, instruments or agreements executed and/or delivered under or in connection therewith.

     6. Release. The Loan Parties hereby acknowledge and agree that: (a) neither they nor any of their Affiliates have any claim or cause of action against Agent or any Lender (or any of Agent’s or any Lender’s Affiliates, officers, directors, employees, attorneys, consultants or agents) and (b) Agent and each Lender have heretofore properly performed and satisfied in a timely manner all of their respective obligations to the Loan Parties under the Loan Agreement and the Other Documents. Notwithstanding the foregoing, Agent and each Lender wish (and the Loan Parties agree) to eliminate any possibility that any past conditions, acts, omissions, events or circumstances would impair or otherwise adversely affect any of Agent’s or such Lender’s rights, interests, security and/or remedies under the Loan Agreement and the Other Documents. Accordingly, for and in consideration of the agreements contained in this Agreement and other good and valuable consideration, the Loan Parties (for themselves and their Affiliates and the successors, assigns, heirs and representatives of each of the foregoing) (each a “Releasor” and collectively, the “Releasors”) does hereby fully, finally, unconditionally and irrevocably release and forever discharge Agent, each Lender and each of their respective Affiliates, officers, directors, employees, attorneys, consultants and agents (each a “Released Party” and collectively, the “Released Parties”) from any and all debts, claims, obligations, damages, costs, attorneys’ fees, suits, demands, liabilities, actions, proceedings and causes of action, in each case, whether known or unknown, contingent of fixed, direct or indirect, and of whatever nature or description, and whether in law or in equity, under contract, tort, statute or otherwise, which any Releasor has heretofore had or now or hereafter can, shall or may have against any Released Party by reason of any act, omission or thing whatsoever done or omitted to be done on or prior to the date hereof arising out of, connected with or related in any way to this Agreement, the Loan Agreement or any Other Document, or any act, event or transaction related or attendant thereto, or Agent’s or any Lender’s agreements contained therein, or the possession, use, operation or control of any of the assets of agreements contained therein, or the possession, use, operation or control of any of the assets of the Loan Parties, or the making of any advance, or the management of such advance or the Collateral.

     7. Governing Law. This Agreement shall be binding upon and inure to the benefit of the parties hereto and their respective successors and assigns and shall be governed by and construed in accordance with the laws of the State of New York (other than those conflict of law rules that would defer to the substantive law of another jurisdiction).

     8. Cost and Expenses. Loan Parties hereby agree to pay the Agent, on demand, all costs and reasonable expenses (including reasonable attorneys’ fees and legal expenses) incurred in connection with this Agreement and any instruments or documents contemplated hereunder.

     9. Headings. Section headings in this Agreement are included herein for convenience of reference only and shall not constitute a part of this Agreement for any other purpose.

     10. Counterparts; Facsimile Signatures. This Agreement may be executed by the parties hereto in one or more counterparts of the entire document or of the signature pages hereto, each of which shall be deemed an original and all of which taken together shall constitute one and the same agreement. Any signature received by facsimile or electronic transmission shall be deemed an original signature hereto.

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     IN WITNESS WHEREOF, this Agreement has been duly executed as of the day and year first written above.

[Signature Page to Amendment No. 6]