Apple has just filed an interesting patent on the problem of playing music in the cloud . Storing its online library is a major problem: we need a permanent Internet connection which can cause problems of responsiveness when playing songs and especially when moving from one song to another. Before starting a song, the terminal must indeed put some piece of cached to ensure continuous playback.
The new Apple patent in iTunes called “Partial Sync Music”, which could just sync only a small part of the song, the famous cache of about 30 seconds. This process would keep the entire library on your iPhone, iPod touch or iPad with a minimal impact on storage space. It is also possible to choose, one piece partial synchronization, some songs are therefore stored in full on the iPod without the need Internet access while the other part would require a 3G connection or Wi-Fi.
It only remains to wait for Apple unveils music service. Apple could offer to store all of its online library or may be satisfied with a simplified and transparent access to the iTunes library on your Mac, provided that the latter is connected to the internet.