@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + bitsPerSample;
		result = prime * result
				+ (int) (frameDataStart ^ (frameDataStart >>> 32));
		result = prime * result + Arrays.hashCode(md5);
		result = prime * result + numChannels;
		result = prime * result + numMetadataBlocks;
		result = prime * result + (int) (numSamples ^ (numSamples >>> 32));
		result = prime * result + sampleRateHz;
		return result;
	}