Sony is making a play for serious - and affluent - audiophiles with its latest offering, just unveiled at CES 2015. The new Walkman ZX2 boasts ‘high definition’ audio and will set listeners back a cool $1200 – that’s double the price of its predecessor, the ZX1.

Over 28 million people pay for a music subscription. The consumption of music has changed; Gen Y has experienced the rise of digital music downloads and the downfall of CDs. Bang & Olufsen is now aiming to streamline and personalise home listening with BeoSound Moment. But how?

Neil Young's new HD music player, PonoPlayer, surpassed its Kickstarter goal of $800,000 just hours after launching. But can people really tell the difference in sound quality, or is it purely psychological? And how will its Toblerone shape fit in our flexible, sleek world?

Joining the likes of Spotify, Pandora and Beats Music, YouTube has launched a subscription service that lets people stream ad-free music videos and download them for offline use. The $10 monthly fee for Music Key also provides access to Google's Play All Access.