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DSP Term Project

DSP Term Project. By: Ashley Downs And Jeff Malen. Sound Effects. Delay Multiple Echoes Natural Reverb Flanging. Delay. Delay takes an audio signal and plays it back after the delay time (several milliseconds to several seconds). Sound Files for Delay. Input Sound

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DSP Term Project

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  1. DSP Term Project By: Ashley Downs And Jeff Malen

  2. Sound Effects • Delay • Multiple Echoes • Natural Reverb • Flanging

  3. Delay • Delay takes an audio signal and plays it back after the delay time (several milliseconds to several seconds).

  4. Sound Files for Delay • Input Sound • Output Sound

  5. Multiple Echo Filter • H(z)= Z^-R . • (1- alpha * (Z^-R))

  6. Impulse Response of a Multi Echo Filter

  7. Sound Files for Multiple Echo Filter • Input Sound • Output Sound

  8. Reverberation • Reverberation is the result of many reflections of a sound that occur in a particular space.

  9. Natural Reverberator • The Schroeder’s Reverberator • Combination of 4 Comb and 2 All Pass.

  10. Sound Files for Natural Reverberator • Input Sound • Output Sound

  11. Flanging • H(z)= (1+ alpha*(Z^-beta(n)))

  12. A Time Varying Delay Function

  13. Sound Files for Flange Effect • Input Sound • Output Sound

  14. That’s All Folks!

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