1 / 27

Ubiquitous - MP3 Player

Ubiquitous - MP3 Player. Ian Bratt John Pratt Eric Lee Wei-Shin Wang David Lindstone ECEN 4573 Capstone Lab Spring 2003. Project Objectives . Standard MP3 player capabilities MP3 Recording Internal/External Audio Source Rechargeable Power Variable FM Transmission USB Interface

brittany-harrell
Download Presentation

Ubiquitous - MP3 Player

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Ubiquitous - MP3 Player Ian Bratt John Pratt Eric Lee Wei-Shin Wang David Lindstone ECEN 4573 Capstone Lab Spring 2003 Globex Proprietary Competition Sensitive

  2. Project Objectives • Standard MP3 player capabilities • MP3 Recording • Internal/External Audio Source • Rechargeable Power • Variable FM Transmission • USB Interface • World Domination* Globex Proprietary Competition Sensitive

  3. U-MP3 subsystems • Input systems • Output systems • Power sources • Memory and File Storage • MP3 Decoding/Encoding • Processor and Control Globex Proprietary Competition Sensitive

  4. Inputs • USB • Compatible with all machines with USB ports • Faster than Serial I/O • User friendly • Line-in • Record external sources into MP3 format • Direct routing to MP3 player output • User Interface • Keypad Globex Proprietary Competition Sensitive

  5. Outputs • Headphones/Speakers • FM transmission • Great for using in car • Tunable to various FM frequency • External Audio Source • Able to transmit other audio sources • LCD output • ID3 tag info • FM frequency display • Animations Globex Proprietary Competition Sensitive

  6. Power source • Adaptor for car cigarette lighter • Rechargeable LiI battery • Rechargeable from wall adaptor or car cigarette lighter Globex Proprietary Competition Sensitive

  7. Memory and File Storage • Flash/EEPROM • Firmware • Compact Flash • 256MB • Proprietary File System • Removable/Interchangeable Globex Proprietary Competition Sensitive

  8. MP3 Decoder/Encoder • Simple parallel interface • Decoder • Supports 19.2KHz – 128KHz • Converts MP3 data to analog output • Digital, internal volume control • Encoder • Variable sample rate Globex Proprietary Competition Sensitive

  9. Processor and Control • Microprocessor • Motorola MC68332 • FPGA • Xilinx • Bus arbitration • FIFOs for MP3 Decoder/Encoder • Glue Logic Globex Proprietary Competition Sensitive

  10. Top Level Design Globex Proprietary Competition Sensitive

  11. Globex Proprietary Competition Sensitive

  12. Globex Proprietary Competition Sensitive

  13. Globex Proprietary Competition Sensitive

  14. Globex Proprietary Competition Sensitive

  15. Globex Proprietary Competition Sensitive

  16. Globex Proprietary Competition Sensitive

  17. Globex Proprietary Competition Sensitive

  18. Globex Proprietary Competition Sensitive

  19. Schedule Globex Proprietary Competition Sensitive

  20. Resource Distribution • Ian • Processor and Control • Eric • Memory and File Storage • Dave • FM Transmission and Analog Aspects • John • MP3 Decoding/Encoding and File System • Wei-shin • FPGA and Bus Control/Interfacing • Everyone • Software and debugging Globex Proprietary Competition Sensitive

  21. Project Checkpoints • Critical Design Review • Prototype board running code • Schematics for PCB layout • Milestone 1 • PCB populated and processor running • Milestone 2 • Playing an MP3 from the internal flash • Expo • Transmit from the MP3 player Globex Proprietary Competition Sensitive

  22. Baseline Cost Analysis • Parts: • Processor: ~$20 • FPGA: ~$50 • SRAM: ~$15 • FLASH: ~$15 • LCD and KEYPAD: ~$15 • MP3 DECODER: ~$20 TOTAL: ~$135 Globex Proprietary Competition Sensitive

  23. Production Cost Analysis • Construction: • 4-Layer Board: ~$200 • Populate Board: ~$60 • Production Labor Costs: NONE! TOTAL: ~$260 • Final Total: $395 Globex Proprietary Competition Sensitive

  24. Market Analysis • Large scale production cost per unit • $75 • Expected selling price of unit • $150 • Projected market share • 15-20% • PROFIT • $75 x 1million units = $75,000,000/year • Tech support = $1,000,000 of revenue and virtually no cost Globex Proprietary Competition Sensitive

  25. Societal Implications • No significant environmental impact • Increases standard MP3 player functionality • Eliminates the need to buy multiple electronic devices • Less battery disposal • Possible illegal FM broadcast Globex Proprietary Competition Sensitive

  26. Risk Assessment • USB • Interfacing with OS • Noise • Serial I/O • FM transmission • FCC broadcast regulations • Battery Controller • Complex control issues Globex Proprietary Competition Sensitive

  27. Risk Assessment • MP3 decoder/encoder • Significant documentation • Interface difficulties • General risks • Implementing design on 1 board • Synchronization constraints • Low-quality audio output Globex Proprietary Competition Sensitive

More Related