From Brian Willoughby Sent Wed, Jan 10th 2018, 00:11
From Brian Willoughby Sent Wed, Jan 10th 2018, 00:11
On Jan 8, 2018, at 4:38 AM, annika morgan <xxxxxx.x.xxxxxx@xxxxx.xxx> = wrote: > Dolby 5.1 is what you need. Then you can assign audio to each dolby = 5.1 channel. >=20 > https://support.apple.com/kb/PH21206?locale=3Den_US Careful. In many cases, Dolby 5.1 is not what you want. It is basically = always compressed in a lossy manner, so you certainly wouldn=E2=80=99t = want to be recording a new album this way. Support for Dolby 5.1 is intended for playback of pre-mastered surround = soundtracks, and this mode allows for interfaces which can pass the = proprietary Dolby bitstream through the device and on to outboard = surround decoders via digital audio interconnects. In addition, some = audio interfaces will decode the bitstream, but those are rare in = comparison to the ones that pass through the data for external decoding. What you need is to use the CoreAudio features that support = multi-channel outputs without compression. This is obviously not = available in a simple stereo playback application like iTunes, but the = iOS DAW software should support multichannel without restricting the = data to Dolby. Many interfaces will support 8 discrete, full-range, = uncompressed outputs, or more. Brian Willoughby