Development Reports

These are internal reports for academic purposes and are not intended for common users.

Period 1 (12/2008-01/2009)

Achievments:
  • signal subdivision into zero-crossing regions
  • linear interpolation of gain between adjacent regions
  • basic crossing area compression
  • implemented in Borland Delphi
Detailed report: vystupy01.pdf (česky)
Measurements: mereni01.pdf (česky)
Sound samples: (Britney Spears : Out From Under, mp3, 44.1 kHz, 16 bit, stereo, 256 kbps)

Period 2 (02/2009-03/2009)

Achievments:
  • code ported to Visual C++ 2008 Express Edition (free development environment)
  • improved trasitions between adjacent region (cubic-hermite interpolation of gain)
  • improved crossing area processing (cubic-hermite interpolation of gain and compressor threshold)
  • new GUI (fader replaced by knob) for comfortable plug-in control
  • public source-code repository created on http://nm02.codeplex.com
Detailed report: vystupy02.pdf (česky)
Sound samples: (Britney Spears : Out From Under, mp3, 44.1 kHz, 16 bit, stereo, 256 kbps)

Period 3 (04/2009)

Achievments:
  • subregions location algorithm
Detailed report: vystupy03.pdf (česky)

Period 4 (05/2009)

Achievments:
  • improved subregions location algorithm
  • subregions maximization algorithm
Detailed report: vystupy04.pdf (česky)

Period 5 (06/2009)

Achievments:
  • subregion gain interpolation (cubic-hermite spline)
Detailed report: vystupy05.pdf (česky)

Period 6 (07-08/2009)

Achievments:
  • testing during mastering (on non-maximized records)
  • testing after mastering (on pre-maximized records)
Detailed report: vystupy06.pdf (česky)
Sound samples:
(Pracovní píseň, mp3, 44.1 kHz, 16 bit, stereo, 256 kbps) (Avril Lavigne: Hot, mp3, 44.1 kHz, 16 bit, stereo, 256 kbps)

Period 7 (09/2009)

Achievments:

Final Report

Achievments:

Last edited Oct 5, 2009 at 1:32 PM by prehnal, version 31

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