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) Digital Audio & Signal Processing (Elad Gariany) Presentation Transcript

  • 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)*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)
  • 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