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Creating a Manual Audio Spectrum Visualization

Posted on 2006-06-28
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Last Modified: 2010-04-05
Hi Experts!

How to create a manual audio spectrum viz (e.g by using Tpaintbox) for WAVE files?

--- What's FFT ?

Thanks in advance

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Question by:Hamidreza Vakilian
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5 Comments
 
LVL 11

Expert Comment

by:calinutz
ID: 17004363
I suggest you use the TeeChart component, or other charting components you can find googleing or on torry

Regards
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LVL 11

Expert Comment

by:calinutz
ID: 17004375
object Chart1: TChart
  Left = 404
  Top = 168
  Width = 400
  Height = 250
  BackWall.Brush.Color = clWhite
  BackWall.Brush.Style = bsClear
  Title.Text.Strings = (
    'TChart')
  TabOrder = 3
  object Series1: TFastLineSeries
    Marks.ArrowLength = 8
    Marks.Visible = False
    SeriesColor = clRed
    LinePen.Color = clRed
    XValues.DateTime = False
    XValues.Name = 'X'
    XValues.Multiplier = 1.000000000000000000
    XValues.Order = loAscending
    YValues.DateTime = False
    YValues.Name = 'Y'
    YValues.Multiplier = 1.000000000000000000
    YValues.Order = loNone
  end
end
0
 
LVL 14

Author Comment

by:Hamidreza Vakilian
ID: 17004601
hahhh.....I think you didn't understand my question...: How to make a WAVE audio player which has something like Winamps visualizations.... but I want to create the spectrum visualizer by myself... (like TBassplayer,MMTools,... Components)
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LVL 14

Author Comment

by:Hamidreza Vakilian
ID: 17004617
I don't know how should I grab the sound information required for a visualizer from WAVE files....
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LVL 11

Accepted Solution

by:
calinutz earned 250 total points
ID: 17016818
Okay ... I think now I get it.
Try some of these components:

http://www.dv.co.yu/mpgscript/mpgtools.htm
also this one seems very very helpfull for you purpose:
http://www.thefreecountry.com/sourcecode/audio.shtml

also you will probabely need the directX
http://www.clootie.ru/delphi/download_dx92.html


Not to forget the source of many good components (see the audio section):
http://www.torry.net/pages.php?id=167



By the way... I really think that those visualizations should be made in assembly.
Regards
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