Exhibit
4.50

     

    [Translation
of Chinese Original]

     

    Equity
Transfer Agreement

     

    Transferor:
Beijing Shi Xun Hu Lian Technology Co., Ltd. (“Party A”)

     

     Address:
Room 304, Jingmeng High-Tech Building B, Floor No.5 Shangdi East Road, Haidian
District, Beijing

     

    Transferee:
Beijing Novel-Super Digital TV Technology Co., Ltd.  (“Party
B”)

     

     Address:
Room 402, Jingmeng High-Tech Building B, Floor No.5 Shangdi East Road, Haidian
District, Beijing

     

    This
Agreement is entered into by and between Party A and Party B hereto on February
26, 2010 in Beijing in respect of share transfer of Guangdong Digital Media
Technology Research & Development Institute Co., Ltd. (“the
Company”)

     

    In
consideration of equality and mutual benefit and through friendly consultation,
it is agreed by the parties as follow:

     

    Article 1
Consideration, Payment and Closing Date

     

    
      	
              (1)

            	
              Party
      A agrees to transfer to Party B its 90% equity interest in the Company
      (the “Shares”) held by Party A for a consideration of RMB 2.7 million, and
      Party B agrees to pay such condition to acquire the
  Shares.

            


    

     

    
      	
              (2)

            	
              Party
      B agrees to make the payment in lump sum by cash for acquiring the Shares
      by March 31, 2010.

            


    

     

    
      	
              (3)

            	
              Closing
      date: February 28, 2010

            


    

     

    Article 2
Representations and Warranties

     

    
      	
              (1)

            	
              Party
      A represents and warrants that its capital contribution for subscribing
      the Shares was actually made and it has the legal ownership and full
      disposal right of the Shares. Party A further represents and warrants that
      the Shares are free from any mortgage, pledges or guarantees, and
      recourses from any third party. Otherwise, all liabilities arising
      therefrom shall be solely borne by Party A. Any undisclosed liabilities or
      obligations borne by the Company that occur prior to closing date or any
      other contingent legal liabilities that occur during the period of
      transferring the Shares, shall be borne by Party A in proportion to its
      then equity ownership in the
Company.

            


    

     

    
      	
              (2)

            	
              Both
      parties acknowledge that, despite the ongoing approval and registration
      procedures for change of shareholders, Party B shall become the de facto
      shareholder of the Company upon the closing date. Party A shall assist
      Party B for its participation in decision-making and management of the
      Company. Party A undertakes that it will not make any decisions with
      respect to the management of the Company after the date of signing this
      Agreement unless it notifies Party B and obtains its written
      consent.

            


    

     

    
      	
              (3)

            	
              Party
      A shall be responsible for preparing balance sheets as of the closing date
      in accordance with relevant accounting standards and accounting systems by
      February 28, 2010, and shall ensure the Company's cash balance as of the
      closing date shall not be less than RMB 3 million, and net assets after
      deduction of fixed assets and intangible assets shall not be less than RMB
      3 million.

            


    


    
      
         


      

      
         


        
          

        

      

      
         


      

    


    
      	
              (4)

            	
              Upon
      completion of the transfer under this Agreement, all rights enjoyed and
      obligations borne by Party A in the Company shall be then enjoyed and
      borne by Party B.

            


    

     

    
      	
              (5)

            	
              Party
      B acknowledges the articles of association of the Company and undertakes
      that it will perform its obligations and responsibilities in accordance
      with such articles of association.

            


    

     

    Article 3
Sharing of Profits and Losses

     

    Upon
approval and registration of the change of shareholders by industry and commerce
administration authority, Party B shall become a shareholder of the Company and
enjoy profits and bear losses of the Company in proportion to its equity
ownership of the Company and the articles of association.

     

    Article 4
Costs and Expenses

     

    The costs
and expenses occurred in respect of the transfer of the Shares shall be borne by
the respective parties in accordance with the law.

     

    Article 5
Amendment and Termination

     

    In any of
the following happens, the parties may amend or terminate this Agreement by
written agreement:

     

    
      	
              (1)

            	
              The
      Agreement can not be performed due to force majeure or unpreventable
      external factor which is beyond a party’s control and is not due to the
      fault of that party;

            


    

     

    
      	
              (2)

            	
              Any
      party is no longer capable to actually perform this
    Agreement;

            


    

     

    
      	
              (3)

            	
              It
      is unnecessary to perform this Agreement due to a material breach by one
      or both parties which materially and adversely affects the economic
      interests of the observant party;
or

            


    

     

    
      	
              (4)

            	
              The
      parties mutually agree to amend or terminate this Agreement due to change
      of circumstances.

            


    

     

    Article 6
Dispute Resolution

     

    
      	
              (1)

            	
              Any
      dispute in connection with the validity, performance, breach and
      termination of this Agreement shall first be resolved through friendly
      consultation between the parties;

            


    

     

    
      	
              (2)

            	
              If
      such consultation fails, either party may submit for arbitration or appeal
      to the people’s court.

            


    

     

    Article 7
Effectiveness and Date of This Agreement

     

    This
Agreement shall come into effect on the date of being signed by the
parties.

     

    Article 8
This Agreement is executed in five counterparts, each Party shall keep one
original, two copies shall be submitted to the industry and commerce
administration authority and one copy shall be held by the Company, all of which
have equal legal force.

     

    Party A:
Beijing Shi Xun Hu Lian Technology Co., Ltd (Seal)

     

    Authorized
Representative: /s/ Wangzhi Chen

     

    Party B:
Beijing Novel-Super Digital TV Technology Co., Ltd. (Seal)

     

    Authorized
Representative: /s/ Jianhua Zhu

     

    February
26, 2010