**Exhibit 21.1**

 

**SUBSIDIARIES OF DTS, INC.AS OF DECEMBER 31, 2005**

 
| ** **                                              | ** ** | **JURISDICTION OF  INCORPORATION OR  ORGANIZATION** | ** ** |
|---------------------------------------------------------|------------|-----------------------------------------------------|------------|
| SUBSIDIARIES OF DTS, INC.:                              |       |                                                |       |
|                                                    |       |                                                |       |
| Digital Theater Systems (UK) Limited                    |       | United  Kingdom                                     |       |
|                                                    |       |                                                |       |
| DTS (BVI) Limited                                       |       | British  Virgin Islands                             |       |
|                                                    |       |                                                |       |
| DTS Canada Holdings, Inc.                               |       | Delaware                                            |       |
|                                                    |       |                                                |       |
| dts Japan KK                                            |       | Japan                                               |       |
|                                                    |       |                                                |       |
| International Cinema Services, Inc.                     |       | Delaware                                            |       |
|                                                    |       |                                                |       |
| DTS AZ Research, LLC                                    |       | Delaware                                            |       |
|                                                    |       |                                                |       |
| DTS Digital Images, Inc.                                |       | California                                          |       |
|                                                    |       |                                                |       |
| SUBSIDIARIES OF DTS (BVI) LIMITED:                      |       |                                                |       |
|                                                    |       |                                                |       |
| DTS (ASIA) Limited                                      |       | Hong Kong                                           |       |
|                                                    |       |                                                |       |
| DTS China Holding Limited                               |       | British  Virgin Islands                             |       |
|                                                    |       |                                                |       |
| DTS (BVI) AZ Research Limited                           |       | British  Virgin Islands                             |       |
|                                                    |       |                                                |       |
| SUBSIDIARY OF DTS CHINA HOLDING LIMITED:                |       |                                                |       |
|                                                    |       |                                                |       |
| DTS China Licensing (Hong Kong) Limited                 |       | Hong Kong                                           |       |
|                                                    |       |                                                |       |
| SUBSIDIARY OF DTS CHINA LICENSING (HONG  KONG) LIMITED: |       |                                                |       |
|                                                    |       |                                                |       |
| Guangzhou DTS Digital Theater System, Co.  Ltd.         |       | People’s  Republic of China                    |       |
|                                                    |       |                                                |       |
| SUBSIDIARY OF DTS CANADA HOLDINGS, INC.:                |       |                                                |       |
|                                                    |       |                                                |       |
| DTS Canada ULC                                          |       | Canada                                              |       |
|                                                    |       |                                                |       |
| SUBSIDIARY OF INTERNATIONAL SERVICES, Inc.:             |       |                                                |       |
|                                                    |       |                                                |       |
| DTS Italia Sr.l.                                        |       | Italy                                               |       |
|                                                    |       |                                                |       |
| DTS France S.A.R.L.                                     |       | France                                              |       |

 

----