Java Media APIs

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Articles
  

Articles:
  • QTJ Audio by Chris Adamson   - [Clicks: 35]
    QuickTime Java can be the heart and soul of cross-platform video players and editors. As you will see in this article, QTJ is also well-suited to be the engine of audio-only applications, such as MP3 players. This article will develop an audio player, QTBebop, that displays song metadata, band levels, and current time, all of which help introduce the useful audio-related tools provided by QuickTime to the Java developer. We'll also look at QuickTime's "callbacks," which are critical to all kinds of QT apps.
    [Includes source code]
    http://www.onjava.com/pub/a/onjava/2003/12/17/qt-bebop.html - Dec, 2003
  • Java Sound, Compressing Audio with mu-Law Encoding by Richard G. Baldwin   - [Clicks: 36]
    Baldwin shows you how to use mu-law encoding and decoding to compress and restore 16-bit linear PCM samples.
    http://www.developer.com/java/other/article.php/3286861 - Dec, 2003
  • The Return of the Blue Q by Chris Adamson   - [Clicks: 7]
    This article will describe the new QTJ by relating the history of why it was broken in the first place, how it was fixed, how to use the new version, and what we might expect to see from QTJ going forward.
    http://www.onjava.com/pub/a/onjava/2003/10/29/qtj-returns.html - Oct, 2003
  • Making Media from Scratch, Part 2 by Chris Adamson   - [Clicks: 27]
    This is the second of a two-part series on creating QuickTime movies "from scratch" in Java. By that, I mean we're creating our own media data, piece by piece, to assemble the movie. Doing things at this low level is tricky, but I hope you'll agree after this installment that it's remarkably powerful. ... In this part, we'll move on to creating video tracks from scratch, building up a video media object by adding graphic samples.
    [Includes source code]
    http://www.onjava.com/pub/a/onjava/2003/08/27/media_samples_2.html - Aug, 2003
  • Making Media from Scratch, Part 1 by Chris Adamson   - [Clicks: 31]
    QuickTime is often described as a "media creation" API, and that means a lot more than just the ability to edit your audio and video and export it to an arbitrary format. This month I'd like to take the term very literally and show you how to create your movies in Java, one frame at a time, without depending on a pre-existing movie.
    [Includes source code]
    http://www.onjava.com/pub/a/onjava/2003/08/13/qtj_reintro.html - Aug, 2003
  • The Java Speech API, Part 1 by Mandar S. Chitnis, Lakshmi Ananthamurthy   - [Clicks: 18]
    Over the course of two articles, we will explore the use of the Java Speech API to write applications that have speech synthesis and speech recognition capabilities. In addition, we will look at the application areas where we can effectively use speech technology.
    http://www.onjava.com/pub/a/onjava/2003/08/06/jsapi.html - Aug, 2003
  • Re-Introducing QuickTime for Java, Part 2 by Chris Adamson   - [Clicks: 23]
    In the first part of this re-introduction, we looked at the history of QuickTime for Java (QTJ), the issues involved with writing, compiling, and running QTJ apps, and presented a very basic movie player. In this second part, we'll explore the organization of QTJ and use its editing API to write a small video editor.
    http://www.onjava.com/pub/a/onjava/2003/06/04/qtj_reintro.html - Jun, 2003
  • A Gentle Re-Introduction to QuickTime for Java by Chris Adamson   - [Clicks: 23]
    This article is going to be a bit of a restart, a "retro intro" if you will, to the topic of QuickTime for Java (QTJ). In two previous articles, one on using QTJ as a helper for the Java Media Framework and another on the inner workings of the QuickTime file format, I've covered essential concepts and important issues only as they related to other topics, perhaps burying them to a degree. Feedback suggests the time is right to go back and do a beginner-level introduction to QTJ.
    [Includes source code]
    http://www.onjava.com/pub/a/onjava/2003/05/14/qtj_reintro.html - May, 2003
  • Parsing and Writing QuickTime Files with Java by Chris Adamson   - [Clicks: 33]
    Writing QuickTime files in Java is easy, if you understand the file format. Chris Adamson argues that it makes a lot of sense. This article explains how the file format works, demonstrating how to read and write to QT files.
    http://www.onjava.com/pub/a/onjava/2003/02/19/qt_file_format.html - Feb, 2003

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