Amazon AMZN recently completed deals with Universal Music Group and Warner Music Group to remaster a large batch of songs and albums into Ultra HD streaming audio quality for use exclusively on its Amazon Music HD service. The platform already has 5 million tracks in the high-resolution 24 bit and up to 192kHz format, as well as immersive audio tracks in both Dolby Atmos and Sony 360 Reality Audio formats, as the company becomes particularly agressive in the hi-res audio space.
What’s surprising here is not that Amazon has such a large presence in this arena, but that Apple AAPL has chosen not to compete – at least not yet. That fast is that Apple has been collecting high-resolution digital mastered since its Mastered for iTunes program (now called Apple Digital Masters) launched in 2012. While the service still streams at a maximum bit