C-Major Audio Software Suite

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
StacIt
Surround Sound Wizard
UJView, EQ
Applications
COM (Middleware)
StacServ
Driver
Hardware
Soundcard
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