Popping Sound

Hi, Just want to share an update. I figured out you can't run signed Audio Units without proper entitlements set. https://developer.apple.com/library/archive/technotes/tn2312/_index.html

auval -a shows me following: auval -a AU Validation Tool Version: 1.10.0 Copyright 2003-2019, Apple Inc. All Rights Reserved. Specify -h (-help) for command options aufx bpas appl - Apple: AUBandpass aufx dcmp appl - Apple: AUDynamicsProcessor aufx dely appl - Apple: AUDelay aufx dist appl - Apple: AUDistortion aufx filt appl - Apple: AUFilter aufx greq appl - Apple: AUGraphicEQ aufx hpas appl - Apple: AUHipass aufx hshf appl - Apple: AUHighShelfFilter aufx lmtr appl - Apple: AUPeakLimiter aufx lpas appl - Apple: AULowpass aufx lshf appl - Apple: AULowShelfFilter aufx mcmp appl - Apple: AUMultibandCompressor aufx mrev appl - Apple: AUMatrixReverb aufx nbeq appl - Apple: AUNBandEQ aufx nsnd appl - Apple: AUNetSend aufx nutp appl - Apple: AUNewPitch aufx pmeq appl - Apple: AUParametricEQ aufx raac appl - Apple: AURoundTripAAC aufx rogr appl - Apple: AURogerBeep aufx rvb2 appl - Apple: AUReverb2 aufx sdly appl - Apple: AUSampleDelay aufx tmpt appl - Apple: AUPitch aufx vois appl - Apple: AUSoundIsolation aumf Al

Hi, Now, I have a working Audio Unit v3 host, using these objects: AVAudioEngine *audio_engine; AVAudioOutputNode *av_output_node; AVAudioInputNode *av_input_node; AVAudioUnit *av_audio_unit; AVAudioSequencer *av_audio_sequencer; AVAudioFormat *av_format; You can make use of output and input node of AVAudioEngine while in offline rendering mode. /* output node */ av_output_node = [audio_engine outputNode]; /* input node */ av_input_node = [audio_engine inputNode]; /* mixer node */ av_audio_mixer_node = [audio_engine mainMixerNode]; /* audio player and audio unit */ [audio_engine attachNode:av_audio_unit]; [audio_engine connect:av_input_node to:av_audio_unit format:av_format]; [audio_engine connect:av_audio_unit to:av_audio_mixer_node format:av_format]; [audio_engine connect:av_audio_mixer_node to:av_output_node format:av_format]; The thing with the input node is you have to provide a block before start AVAudioEngine. input_success = [av_input_node setManualRenderingInputPCMFormat:av

Hi, I have limited knowledge here, but I'v been working on Core Audio recently so: from my understanding, offline rendering outputs to a file, i.e. you process offline your audio, it goes super fast, to then play the file. Now, if you _really_want to hear the audio, disable manual rendering.

web react developers have no problem creating mapkit js token, It sounds like they can create a token, but have you tried to deploy that token generated through the Apple website into your app to make sure that initialization succeeds without the 401 response? I'm looking to rule out entire classes of issues by ensuring that path is working for you before proceeding with the other details of how you are custom generating your tokens. — Ed Ford,  DTS Engineer

Hello, Quartz Debug is available as an additional tools package for Xcode. For example, Additional Tools for Xcode 26 beta 6 contains: This package includes audio, graphics, hardware I/O, and other auxiliary tools. These tools include AU Lab, OpenGL Driver Monitor, OpenGL Profiler, *****, Quartz Debug, CarPlay Simulator, HomeKit Accessory Simulator, IO Registry Explorer, Network Link Conditioner, PacketLogger, Printer Simulator, 64BitConversion, Clipboard Viewer, Crash Reporter Prefs, Dictionary Development Kit, Help Indexer, and Modem Scripts.

This sounds like the issue being discussed in this other forums thread, so I recommend you hop over there. — Ed Ford,  DTS Engineer

That sounds pretty strange and ... interesting. Your code snippet is quite straightforward and has nothing wrong, and so I can't comment based on that. If you provide more details about how you trigger and observe the issue, or even better, a minimal project with detailed steps to reproduce the issue, I'd be interested in taking a look. Best, —— Ziqiao Chen  Worldwide Developer Relations.

What's a pop alert? Can you show us your code? If you've tried everything, raise a feedback report here: https://feedbackassistant.apple.com/ and provide more useful information than you've given in this post.

More info: I built a very basic test app from Xcode templates; it loads into the iPhone, and Xcode attaches to it successfully and enables debugging. So there is something my app is doing that prevents Xcode from attaching to it. My app: supports carplay plays audio does not use storyboard, except for Launch storyboard uses split view navigation any suggestions or thoughts would be welcome.