Hi Dean, What’s the https://developer.apple.com/documentation/avfoundation/avaudiosession/1616499-samplerate?language=objc reporting back to you?
Martin (still unable to test on 11”) > On 14 Nov 2018, at 14:24, Dean Reyburn <[email protected]> wrote: > > Hi Pascal, > I have found a possible solution for my recording (only) app which was giving > distortion on iPad Pro gen 3 . My older versions record only at 44.1khz. > When I change to 48khz the recording is perfect. Either sample rate works > fine for my app, but I simply need to know during intitialization which to > use. > > I’m still talking to Apple DTS about how to detect whether a device wants or > needs 44.1khz or 48khz. There are no error returned when an iPad Pro gen 3 > from AudioUnitSetProperty() or any other audio units call on iPad Pro 3 when > starting recording. The iPad Pro 3 accepts 44.1khz and confirms that it can > do this sample rate with AudioUnitGetProperty() even though the recording is > distorted. > > So far I have not found how to detect the “default” or “native” recording > sample rate for a device if such a thing exists. > > -Dean > >> On Nov 14, 2018, at 5:02 AM, Flavio Antonioli <[email protected] >> <mailto:[email protected]>> wrote: >> >> Pascal, >> >> we have also received reports from some of our users of audio distortion on >> the new iPad Pro. We too are using RemoteIO. >> We don't currently have a device to test with so I wasn't able to reproduce >> the issue. >> >> Flavio. >> >> On Tue, Nov 13, 2018 at 9:00 PM <[email protected] >> <mailto:[email protected]>> wrote: >> Message: 2 >> Date: Tue, 13 Nov 2018 16:43:53 +0100 >> From: Pascal Douillard <[email protected] >> <mailto:[email protected]>> >> To: [email protected] <mailto:[email protected]> >> Subject: Audio cracks with the iPad 11" >> Message-ID: <[email protected] >> <mailto:[email protected]>> >> Content-Type: text/plain; charset=utf-8 >> >> Hi everyone, >> >> I have an audio app for iPad & iPhone and I have been getting audio cracks >> on the new iPad Pro 11”. The cracks happen on speakers and on headphones on >> the USB-C port but not when using bluetooth headphones like the Air Pods. >> >> They do not happen on any of the other iPads or iPhone. >> >> The audio engine is in C++ and is running in Core Audio using a single >> RemoteIO unit. No extra audio libraries are used. >> >> This is not related to the forced 48K sample rate of the iPad 11” as the app >> runs fine with the same sample rate on other devices. >> >> Anyone else has experienced the same? Thanks. >> >> Pascal >> >> ------------------------------ >> >> Subject: Digest Footer >> >> _______________________________________________ >> Coreaudio-api mailing list >> [email protected] <mailto:[email protected]> >> https://lists.apple.com/mailman/listinfo/coreaudio-api >> <https://lists.apple.com/mailman/listinfo/coreaudio-api> >> >> >> ------------------------------ >> >> End of Coreaudio-api Digest, Vol 15, Issue 94 >> ********************************************* >> >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Coreaudio-api mailing list ([email protected] >> <mailto:[email protected]>) >> Help/Unsubscribe/Update your Subscription: >> https://lists.apple.com/mailman/options/coreaudio-api/dean%40reyburn.com >> <https://lists.apple.com/mailman/options/coreaudio-api/dean%40reyburn.com> >> >> This email sent to [email protected] > > 1-888-SOFT-440 or 1-888-763-8440 > Reyburn CyberTuner, Inc. > http://www.cybertuner.com <http://www.cybertuner.com/> > _______________________________________________ > 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/mman%40martinman.net > > This email sent to [email protected]
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