How to Play WAV Files in Java: A Step-by-Step Guide to Implementing Audio Playback?

Playing WAV Files with Java

When working with multimedia in Java, you may encounter the need to play sound files, such as WAV files. This article provides a detailed explanation of how to play WAV files using Java, addressing the specific request of playing a short beep sound upon a button press.

The presented solution leverages Java's built-in audio libraries to handle the playback of WAV files. It includes a detailed code snippet that covers the necessary steps:

1. Loading the WAV File: The file is loaded as an AudioInputStream using the AudioSystem class.
2. Getting Audio Format: The audio format, including sample rate and bit depth, is extracted from the audio stream.
3. Creating Source Data Line: A SourceDataLine is created to manage the audio output. It is effectively the speaker through which the sound is played.
4. Starting the Line: The source line is open()ed and start()ed to initiate the playback.
5. Reading and Writing Audio Data: A buffer is used to read data from the audio stream and write it to the source line until the end of the file is reached.
6. Closing Resources: Finally, the source line is drain()ed and close()d to release resources and ensure proper cleanup.

By following these steps, developers can effortlessly incorporate audio playback into their Java applications. The code provided in the answer section serves as a practical starting point for implementing this functionality.

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