private void restartAudioRenderer() {
        // Preserve internal state variables
        Listener currentListener = this.listener;
        Environment currentEnvironment = this.environment;

        // Destroy existing OpenAL resources
        destroyOpenAL();

        // Re-initialize OpenAL
        // Creates new context, enumerates channels, checks caps, inits EFX
        initOpenAL();

        // Restore Listener and Environment (if possible and successful init)
        if (!audioDisabled) {
            if (currentListener != null) {
                setListener(currentListener); // Re-apply listener params
            }
            if (currentEnvironment != null) {
                setEnvironment(currentEnvironment); // Re-apply environment
            }
            // TODO: What about existing AudioSource objects?
            // Their state (Playing/Paused/Stopped) is lost.
            // Their AudioData (buffers/streams) needs re-uploading/re-preparing.
            // This requires iterating through all known AudioNodes, which the renderer doesn't track.
            // The application layer would need to handle re-playing sounds after a device reset.
            logger.warning("Audio renderer restarted. Application may need to re-play active sounds.");

        } else {
            logger.severe("Audio remained disabled after attempting restart.");
        }
    }
Checks if the audio device has been disconnected.
Requires ALC_EXT_disconnect extension.
@return True if disconnected, false otherwise or if not supported.
jme3-core/src/main/java/com/jme3/audio/openal/ALAudioRenderer.java