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ECE 3551 Microcomputer systems 1 DJ Mixer. Professor: Dr Kepuska Presented by Kermit Strachan. Introduction. The goal of this project was to create device similar to a DJ mixing board. Features: Controlling the input and output buffers Applying sound effects Cross fade between inputs.

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ece 3551 microcomputer systems 1 dj mixer

ECE 3551 Microcomputer systems 1DJ Mixer

Professor: Dr Kepuska

Presented by Kermit Strachan

introduction
Introduction
  • The goal of this project was to create device similar to a DJ mixing board.
  • Features:
  • Controlling the input and output buffers
  • Applying sound effects
  • Cross fade between inputs
implementation
Implementation
  • Starts in Off mode
  • Pressing PF8
    • Once will activate Normal mode and turn on LED4.
    • Twice will activate DJ mode and LED4 will blink.
    • Thrice will activate Off Mode.
implementation1
Implementation
  • Normal Mode
  • Pressing PF9
    • Once will switch all outputs to input0 and LED 5 is turned on to indicate that input0 is being heard.
    • Twice will switceall outputs to input1 and LED 6 is turned on to indicate that input1 is being heard. LED 5 is turned off.
    • Thrice will results in going back to both inputs being heard and LEDs 5 & 6 turning off.
implementation2
Implementation
  • Normal Mode
  • Pressing PF10
    • Once will cycle the speakers in a clockwise order. LED 7 is turned on to indicate the clockwise cycle.
    • Twice will cycles the speaker sin the reverse order. LED 8 is turned on to indicate the anti-clockwise cycle.
    • Thrice will turns LEDs 7 & 8 off and stops the cycling of the speakers.
implementation3
Implementation
  • DJ Mode
  • Pressing PF9
    • Once will activate a continuous auto cross-fade. LED 5 is turned on to indicate that input0 is being heard. LED 6 is turned on to indicate that input1 is being heard and when both LED 5 & 6 are on it indicates that both inputs are being heard.
    • Twice will deactivate the continuous auto cross-fade and turns off LEDs 5 & 6
implementation4
Implementation
  • DJ Mode
  • Pressing PF10
    • Once will Both LEDs 7 & 8 on indicates the Flanger sound effect.
    • Twice will Both LEDs 7 & 8 off indicates the Echo sound effect.
    • Thrice will LED 7 on indicates a Low Pass Filter sound effect.
    • A Fourth time will LED 8 on indicates a High Pass Filter sound effect.
results and conclusion
Results and Conclusion
  • Flangereffect
    • Could use more “swooshing”.
  • Other effects cam out well.
  • Auto Cross-fade works really well.
    • Sound effects can applied while in that mode.
  • Speaker Cycling
    • A slower timer would make the cycling more obvious
results and conclusion1
Results and Conclusion
  • Designing with only 4 buttons and 6 LEDs is difficult.
    • Had be careful designing the interface.
    • Limits how much functionality that can be implemented.
    • More effects could be added.
    • More LEDs would allow visual appeal with light movement.