Re: Playing hi-res audio through external DAC
Re: Playing hi-res audio through external DAC
- Subject: Re: Playing hi-res audio through external DAC
- From: Kenny Leung <email@hidden>
- Date: Wed, 18 Apr 2018 14:08:54 -0700
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@hidden> wrote:
>
>
>> On Apr 18, 2018, at 10:40 AM, Kenny Leung <email@hidden> 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
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