WAV or AIFF please. Uncompressed stereo with a bit depth of at least 16bits (and maximum 24bits) with a sampling frequency of 44.1kHz up to 96kHz. No pre-processing using limiting or normalising – we need as much headroom as possible to work with to make sure that your tracks sound as good as possible when we master it. <br /><br /> <b>Please note</b> Track duration must be no longer than 10 minutes. Each version or mix of a track will be charged separately.