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Java SoundThis collection of frequently asked questions (FAQ) provides brief answers to many common questions about Java Sound. Question Index
What is Java Sound?The Java Sound API specifies mechanisms for capturing, processing, and playing back audio and MIDI (Musical Instrument Digital Interface) data in a framework that promotes extensibility and flexibility. Sun's reference implementation for the Java Sound API, also known as the Java Sound engine, is a 64 channel audio rendering and MIDI controlled sound synthesis engine which offers reliable, high quality sound on all Java 2 Platforms. This implementation also supports a set of high-quality General MIDI sound banks. Who needs Java Sound?Anyone who is interested in adding sound capabilities into their Java applets and applications will benefit from the Java Sound API. Java Sound will enable a wide variety of markets, such as education, advertising and telecommunications, to take advantage of its high quality audio to make communication more effective and accessible. Where is Java Sound available?The full featured Java Sound API is available as a core API in the Java 2 SDK, Standard Edition, v. 1.3 and above. The full featured Java Sound API is also available as part of the Java Media Framework 2.x for use on older JDK 1.x platforms. Please note that the Java 2 Runtime Environment, Standard Edition, v. 1.3 release for Win32 does not include a soundbank. To use the software synthesizer with this release bundle, you must manually install a soundbank. For more information, refer to the Soundbanks page. This API provides comprehensive access to the features of the Java Sound engine, and allows musicians and sound designers to integrate their work into Java applets and applications. The Java Sound engine has been integrated into previous releases of the Java 2 platform (formerly known as JDK 1.2), and uses the existing AudioClip interface to access it. This means AudioClips may be created from any of the supported file formats using any of the supported data types. What are the benefits of Java Sound?
Consistent and Reliable Sound:
CPU Efficient:
Complete Audio API: What audio formats does Java Sound support?Java Sound supports the following audio file formats: AIFF, AU and WAV. It also supports the following MIDI based song file formats: SMF type 0 (Standard MIDI File, aka .mid files), SMF type 1 and RMF. The Java Sound engine can render 8 or 16 bit audio data, in mono or stereo, with sample rates from 8KHz to 48KHz, that might be found in streaming audio or any of the supported file formats. How do you stream audio using Java Sound?Java Sound can begin playing as soon as it starts getting audio samples or MIDI requests -- there is no need to wait for the entire audio file to be loaded into memory. Java Sound can be used in conjunction with the Java Media Framework API software (JMF) to stream audio data over the network. Third parties can also use Java Sound to present audio within their own streaming framework. What other APIs that Sun is creating that relate to Java Sound?Java Sound is part of a family of APIs that work together to provide customers with enhanced multimedia capabilities. These APIs include:
Is there a FAQ with technical questions available?Not here at java.sun.com, but the independent site Java Sound Resources provides the Java Sound Programmers' FAQ.
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Oracle is reviewing the Sun product roadmap and will provide guidance to customers in accordance with Oracle's standard product communication policies. Any resulting features and timing of release of such features as determined by Oracle's review of roadmaps, are at the sole discretion of Oracle. All product roadmap information, whether communicated by Sun Microsystems or by Oracle, does not represent a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. It is intended for information purposes only, and may not be incorporated into any contract.
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