Digital Audio &Signal Processing   By Elad Gariany
Who Am I?
Impulse Tracker
Logic Pro
The Vidit Family
Short Demo
Our Technology
Our Vision
Sound
Sound
Sound
Sound
Real World Sound
Real World Sound
Representing Sound Digitally
Sample Rate & Bit Rate
WaveformSingle Example (Deep Dive)
So… What’s the Problem*                *In a nutshell
Clipping
Nyquist frequencySample Rate Limits
Headroom   0-256Volume scale!             0-65,536                        0-16,777,216
World Standards• PCM: Wave File (8-32Bit / 8000 – 192Khz)• CD: Audio Disk (16bit / 44.1Khz)• Pro Audio: (24bit / 192Khz)
Understanding Sound
Harmonics
Pure Tone
Fundamental Freq. -Tone
Grapher Examplesound sum(1/k*sin(440*k*x),k=1,30)                                        sound sum(1/(2k-1)*sin(440*(2k-1)...
Signal Processing*                 *Finally!
Amp. VS Freq. (Round 2)Compressor        Delay  Limiter        Reverb Expender        Chorus   Gate         Saturator
Dynamic RangeThe Loudness War
Vidit Wants You!• Android Rockstar/Diva• Video Engineer• Scale / Backend Expert
THANK YOU!   Elad Gariany   Co-Founder of Vidit   elad@vidit.fm   http://www.vidit.fm
Digital Audio & Signal Processing (Elad Gariany)
Digital Audio & Signal Processing (Elad Gariany)
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Digital Audio & Signal Processing (Elad Gariany)

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Digital Audio & Signal Processing (Elad Gariany)

  1. 1. Digital Audio &Signal Processing By Elad Gariany
  2. 2. Who Am I?
  3. 3. Impulse Tracker
  4. 4. Logic Pro
  5. 5. The Vidit Family
  6. 6. Short Demo
  7. 7. Our Technology
  8. 8. Our Vision
  9. 9. Sound
  10. 10. Sound
  11. 11. Sound
  12. 12. Sound
  13. 13. Real World Sound
  14. 14. Real World Sound
  15. 15. Representing Sound Digitally
  16. 16. Sample Rate & Bit Rate
  17. 17. WaveformSingle Example (Deep Dive)
  18. 18. So… What’s the Problem* *In a nutshell
  19. 19. Clipping
  20. 20. Nyquist frequencySample Rate Limits
  21. 21. Headroom 0-256Volume scale! 0-65,536 0-16,777,216
  22. 22. World Standards• PCM: Wave File (8-32Bit / 8000 – 192Khz)• CD: Audio Disk (16bit / 44.1Khz)• Pro Audio: (24bit / 192Khz)
  23. 23. Understanding Sound
  24. 24. Harmonics
  25. 25. Pure Tone
  26. 26. Fundamental Freq. -Tone
  27. 27. Grapher Examplesound sum(1/k*sin(440*k*x),k=1,30) sound sum(1/(2k-1)*sin(440*(2k-1)*x),k=1,30) sound sin(3*261.63*x) + sin(3*329.63*x) + sin (3*392.00*x) sound sum(1/(2k-1)*(sin(440*(2k-1)*x)+sin(2200*(2k-1)*x)),k=1,30)
  28. 28. Signal Processing* *Finally!
  29. 29. Amp. VS Freq. (Round 2)Compressor Delay Limiter Reverb Expender Chorus Gate Saturator
  30. 30. Dynamic RangeThe Loudness War
  31. 31. Vidit Wants You!• Android Rockstar/Diva• Video Engineer• Scale / Backend Expert
  32. 32. THANK YOU! Elad Gariany Co-Founder of Vidit elad@vidit.fm http://www.vidit.fm
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