1. C-Major Audio Software Suite Student:Andy Rumelt Company Sponsor:SigmaTel www.SigmaTel.com Faculty Sponsor:Dr. Brian Evans Teaching Assistant:Youngok Kim

2. Presentation Outline Background Problem Statement Problem Solution Prototype Test and Evaluation Time and Budget Goals Conclusion and Recommendations

3. Background SigmaTel –A Leader in the host audio industry –Developer of audio codecs and soundcards for PCs and laptops C-Major technology –JackSense and Universal Jacks The Development Team

4. Universal Jacks

5. Problem Statement Control and monitor the Essential Features of a Soundcard with a SigmaTel 9758 Codec Flexible, adaptable, reliable, user-friendly Fit into existing C-Major Software Architecture To be deployed on 4 systems –Laptop, Desktop, TV-PC, DVD-Player PC

6. C-Major Software Architecture UJView, EQ StacIt Surround Sound Wizard Applications COM (Middleware) Hardware StacServ Soundcard Driver

7. Problem Solution Integrated Suite with Active-X sub-panels –Surround Sound Wizard, StacIT, Mixer, EQ, Bass Manager Adapts to host system via reading Windows Registry GUI expert recommends simplest and most familiar solution for usability Time, budget, and developer considerations –C++ versus Visual Basic –Simple versus complex

8. Prototype Challenges –Many 9758 platforms –Poorly defined internal and customer requirements. “Moving target.” –Erratic middleware behavior. Overcoming Challenges –Implemented Multiple SSWIZ operating modes –Consulted graphical user interface expert –Lock down onto well-defined requirements –UJ View, automated testing

9. Evaluation and Testing Unit and Integration Testing UJView Automated Testing –Rational Robot versus TestComplete 3 –Clicks through the GUI and validates state of controls

10. Time and Budget Goals Time Goals Met –Part time employee developing a working suite by Nov 11, 2003 Budget goals met –No extra expenses. Developer salary expenses within predictions.

11. Conclusion SigmaTel Integrated C-Major Audio Suite is a Success Developed a flexible SSWIZ and Mixer in VB Created an ActiveX version of the wizard, EQ, Bass Manager Improved solution –Internationalization, SSWIZ with 2.1 and 7.1 system, more reliable EQ and StacIT.

12. Integrated Surround Sound Wizard