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The Sal-Mar Audio Transmission and Control Solution

The Sal-Mar Solution offers a comprehensive design for audio transmission and control utilizing the CC8530 chip, optimized for reliable performance across Bluetooth ranges. With the integration of 24 speakers and advanced oscillators, this system supports complex audio setups, allowing for 4 audio channel inputs and timeslot alignment for multiple masters. Powering the mixer requires dual 15V supplies, while control signals operate at 5V, ensuring robust signal integrity with 96 control bits. Ideal for general-purpose museum audio applications, this solution paves the way for future developments in wired and wireless audio transmission.

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The Sal-Mar Audio Transmission and Control Solution

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Presentation Transcript

  1. The Sal-Mar Solution • Michael Adams-Reagan Roberts • Group: 28 • TA: Aaron Rosenberg • ECE 445

  2. The Sal-Mar Construction • ILLIAD II Parts • 4 Oscillators • 24 Speakers • 96 Control Signals

  3. The Sal-Mar Construction The Sal-Mar Amplifier The Sal-Mar Distribution Control

  4. The Sal-Mar Construction • 96 Control Bits • Red Outline is +5V • Black Outline is Ground

  5. Design Overview

  6. Transmission

  7. Mixer Elliot 2010

  8. Transmission • Need 15V and -15V to power the Mixer’s Op-Amp • Control Signals are 5V • The 4066 Chip is powered by 5V

  9. Transmission

  10. Transmission

  11. TI CC8530 • Transmits in Bluetooth Range (2.4 to 2.485 GHz) • At least 10m range • Ideally, 4 audio channel input • Timeslot Alignment allows for multiple masters

  12. CC8530 Development Kit • Used with a debugger • Can test multiple inputs/outputs

  13. CC8530 Development Kit

  14. Reception

  15. Reception

  16. Reception

  17. Reception

  18. Power

  19. Power

  20. Power

  21. Power

  22. Power

  23. Recommendations for the Sal-Mar Wired Solution Wireless Internet

  24. Future Considerations General Purpose Museum audio transmission Utilizing all 4 channels of the CC8530

  25. Conclusion The Sal-Mar Solution

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