I would say the CoreMidi clock will be synched to the audio thread anyway. I know that once you connect some kind of audio generator to the graph that you provide a link between the two if you want to control the generator via midi clock.
It all depends on what you want to do, but it sounds like you are unhappy with workflow rather than implementation of midi. Most of those apps will be using CoreMidi, I think you will find it a reliable enough place to start. On Fri, Jul 10, 2015 at 4:20 AM, Luther Baker <[email protected]> wrote: > Thanks for the input Paul and extended response Brian. > > In my case, I very specifically want a song writing tool - a sequencer to > trigger my MIDI gear to fire ... and I've not been happy with the iPad > offerings as of late. I'd eventually like to be able to control other > synths on say, the iPad ... but that isn't my primary goal. > > I was a keyboard musician in a past life and have always wanted to create > my own version of an MPC meets Ableton Live sequencer so looking forward to > getting my head around this! > > Thanks, > -Luther > > > On Thu, Jul 9, 2015 at 12:16 PM, Paul Davis <[email protected]> > wrote: > >> On Thu, Jul 9, 2015 at 12:21 PM, Paul Davis <[email protected]> >> wrote: >> > On Thu, Jul 9, 2015 at 12:18 PM, Luther Baker <[email protected]> >> wrote: >> >> I'm pretty naive ... if I plug an MAudio USB keyboard into my iPad and >> want >> >> to record the MIDI notes ... I guess you're suggesting I'd use the >> clock of >> >> the provided A/D interface? Is that accessible via Core Audio or Core >> Midi? >> > >> > You're going to get a callback from the coreaudio internals to process >> > (generate/consume) audio samples. That's your clock. >> >> I should note that your software design will be significantly >> different depending on whether you plan to work with MIDI only (i.e. >> no interactions with an audio interface at all, no synthesis or audio >> processing) or with audio and MIDI. As Brian notes, in the first case >> you can just read and write MIDI event timestamps. In the latter case, >> the audio interface clock is your master reference and most >> interesting things will happen in the callback that is executed on >> your behalf. >> > > > _______________________________________________ > 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/aranmulholland%40gmail.com > > This email sent to [email protected] >
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