@Override
    public String toString() {
        return getClass().getSimpleName()
                + "[id=" + id + ", ch=" + channels + ", bits=" + bitsPerSample
                + ", rate=" + sampleRate + ", duration=" + getDuration() + "]";
    }
@return The duration of the audio in seconds. It is expected
that audio is uncompressed.
jme3-core/src/main/java/com/jme3/audio/AudioBuffer.java