Since iTunes doesn’t automatically adjust the sampling rate it will try to play back the 96k file at 44.1, resulting in a substantial pitch change. Want to hear your favorite female vocalist as a baritone? Just try playing an 88.1 or 96kHz file in iTunes right after playing a 44.1 file. If you have files that use rates other than 44.1 or 48 kHz with iTunes, it can do some funny things. Other, such as iTunes, have no provisions for this. In both cases there is no advantage to upsampling or down-sampling that file in your computer before it’s sent to your DAC via USB, Toslink, S/PDIF, or carrier pigeon.īut how do you make sure that a file is being sent at its native rate? Some programs, such as Pure Music, allow you to designate in your preferences that it will send native file rates. And what is a “native” file? It’s a music file that is sent to the DAC at the same sampling rate as the file itself. They can range from lipstick-sized numbers powered by the computer’s USB to full-sized pantheons to technology with multiple power supplies, inputs, outputs, oversampling schemes, and more bells and whistles than the Panama Limited (Tom Rush fans will understand.)īut whatever a DAC’s complexity or lack thereof, one thing they all share – they work better when fed “native” files. One of the product categories I often review are USB DACs. Twitter Facebook Email Print LinkedIn Pinterest SMS WhatsApp
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