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DirectShow Tips : Developing WAV - MP3 Converter PDF Print E-mail
Written by Zamrony P. Juhara   
Saturday, 16 January 2010 14:41

MP3 is one of most popular format for storing audio data. The compression algorithm is able to decrease the size for storage without much audio quality loss while WAV format is very popular because it is default audio format in Windows operating system. However due to nature of WAV format, storing audio data may consume huge storage capacity. This article discuss how we can utilize DirectShow to convert WAV to MP3 or vice versa using DirectShow and Delphi.

Last Updated on Saturday, 16 January 2010 18:20
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Object-oriented Finite State Machine PDF Print E-mail
Written by Zamrony P. Juhara   
Friday, 08 January 2010 13:46

Recently, I read book, Programming Game AI by Example, written by Mat Buckland. I was interested on state driven game agent concept discussed in that book. This article will discuss about this concept and of course Finite State Machine implementation with Delphi (the book uses C++).

Last Updated on Friday, 08 January 2010 14:52
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Sound Playback with Wave API PDF Print E-mail
Written by Zamrony P. Juhara   
Thursday, 14 January 2010 12:53

WAV format is default audio format for Windows operating system. This article discuss how to utilize Wave API to play WAV file with Delphi.

Last Updated on Thursday, 14 January 2010 13:36
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Managing input hardware in game with DirectInput PDF Print E-mail
Written by Zamrony P. Juhara   
Thursday, 07 January 2010 13:34

Article on how to utilize DirectInput to control player character in game. This article explains you how to take advantages of input control such as keyboard, mouse and joystick in game application.

Last Updated on Thursday, 07 January 2010 13:56
 
Monitoring web browser event PDF Print E-mail
Written by Zamrony P. Juhara   
Wednesday, 29 April 2009 12:22

In this article, I will discuss about technique to catch events happened in a web browser. I wrote this article to answer a question posted by Johan Max at Delphindo about how to get notified when an anchor tag in a HTML document is clicked and also how to retrieve URL pointed by the anchor.

Of course we still use our favourite tool. Delphi. This tutorial only assumes web browser is IE, for other web browsers, this technique may not work. Source code is available for download on Download-Delphi Programming section.

Last Updated on Friday, 06 November 2009 14:44
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3D Sound Playback with DirectX Audio PDF Print E-mail
Written by Zamrony P. Juhara   
Monday, 14 December 2009 17:20

3D games were designed to immerse player into the game. Realistic audio playback plays important part to help game achieve the goal. To create realistic audio playback, audio hardware manufacturer have designed many technologies that mimics sound in real life.

Last Updated on Friday, 18 December 2009 20:48
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Generating Tone with Delphi PDF Print E-mail
Written by Zamrony P. Juhara   
Friday, 20 November 2009 09:17

This article explores how to generate tone with a predefined frequency programmatically through Delphi. Most of this article  consists of source code example.

Last Updated on Friday, 20 November 2009 17:47
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