The Mac OS X operating system automatically selects the highest sample rate and adjusts the data provided by iTunes by upsampling.
As the testers were amazed not bad as the D/A converter of a Ayre and PS signaled stoically 96 kilohertz sampling frequency audio for iTunes playback via Mac – even if the files in the/44 CD 16 have been played. The cause was quickly found: similar as computer screens connected converter inform on the USB port all their available sampling rates the computer. The Mac OS X operating system automatically selects the highest and adjusts the data provided by iTunes by upsampling.
Who wants to listen to iTunes files with the native sample rate (which often leads to better sound), must make manually the correct setting in the “Audio & MIDI Setup” utility. A title comes with other sample rate, you must repeat the procedure. Amarra player of American software specialist Sonic Studio but now offers a Mac program that wants to sent bypass the iTunes data output and redirect the digital audio data using special algorithms of the highest quality to the USB or FireWire output.
The positive influence of the Amarra player is actually listen and is located approximately in the order as different digital inputs. 845 euros, its price is however also pretty steep, so rather recommend the mini version for 333 euros with the same engine, but without equalizer. To try out the Amarra player can be download free of charge under our site.