Hi Andy. I understand that I can change the output settings in Audio Midi Setup, but how do I do it programmatically? And would the same technique apply to iOS?
I am trying to write my own audio player, a la Audivirna for Mac or Onkyo player for iOS. Thanks! -Kenny > On Apr 18, 2018, at 12:00 PM, Andy Peters <[email protected]> wrote: > > >> On Apr 18, 2018, at 10:40 AM, Kenny Leung <[email protected]> wrote: >> >> Hi All. >> >> My apologies if this has been asked before on the list. It’s a particularly >> difficult subject to google for. >> >> How can one play hi-res (24/192kHz) audio to an external DAC on iOS/macOS? >> On iOS, I can make it go up to 16/48kHz, but no higher. There are apps on >> iOS (Onkyo player) and macOS (BitPerfect) that can do it, but it’s not clear >> what level they’re interfacing at. >> >> Are there any examples out there of playing hi-res audio? Do.you have to >> work on a lower level USB I/O layer? > > I play such all the time from my Macs. Usually it’s with Logic. > > How is your DAC connected? If it supports only Full Speed USB/USB Audio Class > 1, you can’t do 24/192 audio (not enough bus bandwidth). For UAC 2.0 on High > Speed USB, or a FireWire or Thunderbolt device, as long as the product > supports higher sampling rates they are usable. > > Check the Audio MIDI Setup for your device. It’ll show all of the device’s > supported sample rates and word lengths. Some applications let you select the > sample rate and word length, others just default to the system setting (set > in Audio MIDI Setup). > > -a > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Coreaudio-api mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/coreaudio-api/kenny_leung%40pobox.com > > This email sent to [email protected] _______________________________________________ Do not post admin requests to the list. They will be ignored. Coreaudio-api mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/coreaudio-api/archive%40mail-archive.com This email sent to [email protected]
