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“Popping Sound”

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UINavigationController with Push and Pop custom Animation
I'm doing some experiments with animated transition for Pop and Push in UINavigationController and I have some problems with Pop animation.In brief, it seems that in the Pop animation when the toView is created the system remember the final positin of the view in the Push Animation but not the rotation and, in my case the view is created with swapped width and height.This is the code for the Push Animation: func animateTransition(transitionContext: UIViewControllerContextTransitioning) { let container = transitionContext.containerView()! let fromView = transitionContext.viewForKey(UITransitionContextFromViewKey)! let toView = transitionContext.viewForKey(UITransitionContextToViewKey)! print(Push Start Frame: (fromView.frame)) let π : CGFloat = 3.14159265359 let offScreenRight = CGAffineTransformMakeRotation(-π/2) let offScreenLeft = CGAffineTransformMakeRotation(π/2) toView.transform = self.presenting ? offScreenRight : offScreenLeft toView.layer.anchorPoint = CGPoint(x:0, y:0) from
Topic: UI Frameworks SubTopic: UIKit Tags:
0
0
597
Oct ’15
Sampling rates in Core Audio / Audio Midi
I have an external USB 3 audio interface called Holo Audio Spring 2 for testing. It supports up to 1,536 kHz / 24 bit audio sample rates natively. I see that there is a chance now to choose this very high sampleing rate in 16 and 24 bit in Audio Midi to get the incoming audio stream upconverted in Core Audio up to this rate. I can get it work in 16 bit but it does not work in 24 bit using my 18 core iMac Pro. To upconvert the same audio stream which works with 1,536 kHz / 16 bit to 1,536 kHz / 24 bit results a distorted sound, using any rates like 44,1 kHz, 48 kHz, 88,2 kHz, 96 kHz, 176,4 kHz, 192 kHz, 352,8 kHz and 384 kHz ( i have audio files recorded professionally with these sample rates) I wonder if it is a bug in Core Audio or it is a bug of the firmware of the USB audio device?Any body has a similar experience? By the way is there any chance to learn what kind of algorthm and noise shaping is used for suc
2
0
2.9k
Mar ’19
Reply to How to Fix Cracking and Popping Sound ?
💡Some potential causes/fixes Coreaudiod I've seen this happen a lot on macs that are rarely ever shutdown completely coreaudiod may have some kind of memory leak but using the terminal and running the command 'sudo pkill coreaudiod' has solved the issue in these cases the coreaudio daemon will restart. Complete shutdown/restart should work too in those cases if you don't want to run anything in the terminal. Sampling Rate The I don't know wtf is causing it but this seems to work for me fix run the Midi click on 'Macbook Pro Speakers' or whatever other audio devices you use. Changing format on the right from 44khz -> 48khz has made the popping go away for me before. As to why it worked? 🤷🏻 3rd Party Audio Daemons/Plug-Ins I have seen some issues like this come up If you have any third party audio daemons or plugins like Boom2/Boom3D, Sound Booster, BackgroundMusic. You may want to do the same thing as above with the Midi app for their virtual devices. If that
Topic: Community SubTopic: Apple Developers Tags:
May ’24
Bluetooth Headphones Crackling and Popping
My Bluetooth headphones are cracking and popping. This topic is on a lot of forums but I haven't found any fixes. Some of them are quite old. There is a really long run on this forum in fact years however there's not a fix for me. I did have success with reset the Bluetooth module this morning and it cleared up the distracting noises. I/m back on my computer this ever working in Logic Pro X and it's back. ANY HELP would be greatly appreciated. Thank You in advance. I have a late 2105 iMac Big Sur 11.4 Graphics: ADM Radeon R9 M390 2 GB 32 GB RAM
1
0
1.1k
Aug ’21
Mixing ScreenCaptureKit audio with microphone audio
Hi, I'm new to AVAudioEngine(and macOS programming in general). I'm trying to mix microphone audio with ScreenCaptureKit audio using AVAudioEngine without playing it back. I've created a AVAudioPlayerNode and scheduling buffers in my SCStream handler: playerNode.scheduleBuffer(samples) and have connected the playerNode to the mainMixerNode. audioEngine.connect(audioEngine.inputNode, to: audioEngine.mainMixerNode, format: micFormat) audioEngine.connect(playerNode, to: audioEngine.mainMixerNode, format: format) The problem is that mainMixerNode plays the audio to the speaker creating a feedback loop. How can I prevent the mixer output from being played back. Also: Is this the best way of mixing microphone input with some other input? I ran into AVAudioEngine's manual rendering mode, which seems like the way to go for mixing audio without playing it back. However, I couldn't figure out how to connect microphone input to the AVAudioEngine in manual rendering mode?
1
0
1.2k
Feb ’24
Audio in to audio out pass thru
hiI'm programming in Xcode 9 - swift 4 - macOS NOT IOSI have a basic recording audio setup below for recording a singer with headphones and a microphone. I would like it to react like Logic X.In Logic X you put the track you want to record into record ready while this happens the microphone is routed to the headphones so the vocalist can hear himself/herself. Whilst in playback the record ready is muted so the vocalist can here whats been recorded. and if the record button is pressed during playback then the vocalist hears the vocal being recorded.The problem i am having is routing audio in directly to audio out. I'm not quiet sure what Audio system I should useAVAudioSession is obviously for iOS .Is there anyway i can do this avoiding Core AudioI would like to stick with swift 4Any advice would be appreciatedthanks for reading
0
0
812
Aug ’17
Peek and pop on anchors in an XHTML page
I haven't been able to get peek and pop to work on any XHTML page. Obviously this code will work for an HTML page:<a href=//apple.com>apple</a>But if it's served with Content-Type: application/xhtml+xml, the anchor won't respond to 3D touch. The exact same code served with Content-Type: text/html works tho. Is this a bug?
0
0
139
Oct ’15
How to implement 3d touch peek without pop?
Getting Started with 3D Touch | Peek and Pop describes peek preview and optional navigation (pop.) But I can't find any way to implement peek -- by implementing:- (UIViewController*)previewingContext:(id<UIViewControllerPreviewing>)previewingContext viewControllerForLocation:(CGPoint)locationwithout the pop gesture also being implemented. If I fail to implement the commit callback:- (void) previewingContext:(id<UIViewControllerPreviewing>)previewingContext commitViewController:(UIViewController *)viewControllerToCommitit still dismisses my peek/preview view controller after providing a second haptic feedback vibration.Since Apple describes it as optional, am I missing something?(I'm trying to implement Contacts app like behavior and I do realize there's no API to do this. My thought was to do this within the peek/preview, but pop/commit is getting in the way.)
Topic: UI Frameworks SubTopic: UIKit Tags:
1
0
793
Nov ’16
Play audio data, but without sound?
I am working with analog medical (eeg) data. I'm trying to allow for recording and scanning large files ~20-30 minutes in length. Core Audio seems like a great solution for storing and playing these files, however the catch is that I do not want to send any sound to an audio device. Everything is output graphically as waveforms. None of my considered solutions seem satisfactory:1. AudioComponentDescription.componentSubType = kAudioUnitSubType_GenericOutput for the output node seems similar to what I want, but since it isn't tied to the timing of a hardware output device, it wouldn't let me play files in real-time at the same speed they were recorded.2. Playing the file with the volume turned down, or with the mixer node disabled is a possibility, but when I tried it I got zeroed out audio playback (logical but unfortunate in my case)3. Having a NSTimer callback repeatedly call ExtendedAudioFile.ExtAudioFileSeek is another possibility, but seems like it is very much not how
2
0
710
Apr ’17
UISwitch for sound
I created a UISwitch to control the sound. I created it in a view controller named SoundViewController. When I quit the view controller, the sound still playing. That's what I want. But when I open the app, no sound. I turn the switch off and turn it on again then it plays sound. When I turn off the switch, the sound off, and I quit the view controller again and come back, I saw the switch is on but no sound. Anyone please help me? Thanks
0
0
488
Apr ’17
UINavigationController with Push and Pop custom Animation
I'm doing some experiments with animated transition for Pop and Push in UINavigationController and I have some problems with Pop animation.In brief, it seems that in the Pop animation when the toView is created the system remember the final positin of the view in the Push Animation but not the rotation and, in my case the view is created with swapped width and height.This is the code for the Push Animation: func animateTransition(transitionContext: UIViewControllerContextTransitioning) { let container = transitionContext.containerView()! let fromView = transitionContext.viewForKey(UITransitionContextFromViewKey)! let toView = transitionContext.viewForKey(UITransitionContextToViewKey)! print(Push Start Frame: (fromView.frame)) let π : CGFloat = 3.14159265359 let offScreenRight = CGAffineTransformMakeRotation(-π/2) let offScreenLeft = CGAffineTransformMakeRotation(π/2) toView.transform = self.presenting ? offScreenRight : offScreenLeft toView.layer.anchorPoint = CGPoint(x:0, y:0) from
Topic: UI Frameworks SubTopic: UIKit Tags:
Replies
0
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0
Views
597
Activity
Oct ’15
Sampling rates in Core Audio / Audio Midi
I have an external USB 3 audio interface called Holo Audio Spring 2 for testing. It supports up to 1,536 kHz / 24 bit audio sample rates natively. I see that there is a chance now to choose this very high sampleing rate in 16 and 24 bit in Audio Midi to get the incoming audio stream upconverted in Core Audio up to this rate. I can get it work in 16 bit but it does not work in 24 bit using my 18 core iMac Pro. To upconvert the same audio stream which works with 1,536 kHz / 16 bit to 1,536 kHz / 24 bit results a distorted sound, using any rates like 44,1 kHz, 48 kHz, 88,2 kHz, 96 kHz, 176,4 kHz, 192 kHz, 352,8 kHz and 384 kHz ( i have audio files recorded professionally with these sample rates) I wonder if it is a bug in Core Audio or it is a bug of the firmware of the USB audio device?Any body has a similar experience? By the way is there any chance to learn what kind of algorthm and noise shaping is used for suc
Replies
2
Boosts
0
Views
2.9k
Activity
Mar ’19
Reply to How to Fix Cracking and Popping Sound ?
💡Some potential causes/fixes Coreaudiod I've seen this happen a lot on macs that are rarely ever shutdown completely coreaudiod may have some kind of memory leak but using the terminal and running the command 'sudo pkill coreaudiod' has solved the issue in these cases the coreaudio daemon will restart. Complete shutdown/restart should work too in those cases if you don't want to run anything in the terminal. Sampling Rate The I don't know wtf is causing it but this seems to work for me fix run the Midi click on 'Macbook Pro Speakers' or whatever other audio devices you use. Changing format on the right from 44khz -> 48khz has made the popping go away for me before. As to why it worked? 🤷🏻 3rd Party Audio Daemons/Plug-Ins I have seen some issues like this come up If you have any third party audio daemons or plugins like Boom2/Boom3D, Sound Booster, BackgroundMusic. You may want to do the same thing as above with the Midi app for their virtual devices. If that
Topic: Community SubTopic: Apple Developers Tags:
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Views
Activity
May ’24
When to show tracking permission pop up?
With the iOS privacy changes I'm a bit confused when we need to show the privacy pop up to request permission, and what needs to be gated behind the answer? We use mixpanel/ga, and from my reading of the iOS 14 documents it seems we may need to ask permission, even if the IDFA is not used. Is this the correct interpretation?
Replies
0
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0
Views
1.4k
Activity
Jan ’21
Bluetooth Headphones Crackling and Popping
My Bluetooth headphones are cracking and popping. This topic is on a lot of forums but I haven't found any fixes. Some of them are quite old. There is a really long run on this forum in fact years however there's not a fix for me. I did have success with reset the Bluetooth module this morning and it cleared up the distracting noises. I/m back on my computer this ever working in Logic Pro X and it's back. ANY HELP would be greatly appreciated. Thank You in advance. I have a late 2105 iMac Big Sur 11.4 Graphics: ADM Radeon R9 M390 2 GB 32 GB RAM
Replies
1
Boosts
0
Views
1.1k
Activity
Aug ’21
Mixing ScreenCaptureKit audio with microphone audio
Hi, I'm new to AVAudioEngine(and macOS programming in general). I'm trying to mix microphone audio with ScreenCaptureKit audio using AVAudioEngine without playing it back. I've created a AVAudioPlayerNode and scheduling buffers in my SCStream handler: playerNode.scheduleBuffer(samples) and have connected the playerNode to the mainMixerNode. audioEngine.connect(audioEngine.inputNode, to: audioEngine.mainMixerNode, format: micFormat) audioEngine.connect(playerNode, to: audioEngine.mainMixerNode, format: format) The problem is that mainMixerNode plays the audio to the speaker creating a feedback loop. How can I prevent the mixer output from being played back. Also: Is this the best way of mixing microphone input with some other input? I ran into AVAudioEngine's manual rendering mode, which seems like the way to go for mixing audio without playing it back. However, I couldn't figure out how to connect microphone input to the AVAudioEngine in manual rendering mode?
Replies
1
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0
Views
1.2k
Activity
Feb ’24
Can't setup pop sever on ios9 beta
the latest beta 13a4325c won't let me create a EarthLink based pop email account on my iPad. It always defaults over to imap, and I cannot convert to pop. any suggestions, other than switching to imap.michael
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0
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0
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246
Activity
Aug ’15
profesional audio spatial audio
If one were working on a multi billion dollar project what is the best way to get help and involvement or potential implementations of apple spatial support regarding apple spatial audio support. We are aiming for AES69.
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0
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0
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809
Activity
Feb ’23
Audio in to audio out pass thru
hiI'm programming in Xcode 9 - swift 4 - macOS NOT IOSI have a basic recording audio setup below for recording a singer with headphones and a microphone. I would like it to react like Logic X.In Logic X you put the track you want to record into record ready while this happens the microphone is routed to the headphones so the vocalist can hear himself/herself. Whilst in playback the record ready is muted so the vocalist can here whats been recorded. and if the record button is pressed during playback then the vocalist hears the vocal being recorded.The problem i am having is routing audio in directly to audio out. I'm not quiet sure what Audio system I should useAVAudioSession is obviously for iOS .Is there anyway i can do this avoiding Core AudioI would like to stick with swift 4Any advice would be appreciatedthanks for reading
Replies
0
Boosts
0
Views
812
Activity
Aug ’17
How do I present a pop-up with a small size?
How do I show a pop up window to accept data entry without using an alert controller?My idea is to present a view controller as a popover, but I don't know how to manipulate the size.Can someone help me?
Topic: UI Frameworks SubTopic: UIKit Tags:
Replies
1
Boosts
0
Views
454
Activity
Jan ’18
Peek and pop on anchors in an XHTML page
I haven't been able to get peek and pop to work on any XHTML page. Obviously this code will work for an HTML page:<a href=//apple.com>apple</a>But if it's served with Content-Type: application/xhtml+xml, the anchor won't respond to 3D touch. The exact same code served with Content-Type: text/html works tho. Is this a bug?
Replies
0
Boosts
0
Views
139
Activity
Oct ’15
Has anyone seen problems with Apple Mail and POP?
Having problems receiving POP emails via Apple Mail to GoDaddy servers. Outbound emails via SMTP are fine. Other OS's and email clients work properly with same configurations.OS X V10.11.1Has anyone seen this issue?
Replies
10
Boosts
0
Views
1.2k
Activity
Nov ’15
How to implement 3d touch peek without pop?
Getting Started with 3D Touch | Peek and Pop describes peek preview and optional navigation (pop.) But I can't find any way to implement peek -- by implementing:- (UIViewController*)previewingContext:(id<UIViewControllerPreviewing>)previewingContext viewControllerForLocation:(CGPoint)locationwithout the pop gesture also being implemented. If I fail to implement the commit callback:- (void) previewingContext:(id<UIViewControllerPreviewing>)previewingContext commitViewController:(UIViewController *)viewControllerToCommitit still dismisses my peek/preview view controller after providing a second haptic feedback vibration.Since Apple describes it as optional, am I missing something?(I'm trying to implement Contacts app like behavior and I do realize there's no API to do this. My thought was to do this within the peek/preview, but pop/commit is getting in the way.)
Topic: UI Frameworks SubTopic: UIKit Tags:
Replies
1
Boosts
0
Views
793
Activity
Nov ’16
Play audio data, but without sound?
I am working with analog medical (eeg) data. I'm trying to allow for recording and scanning large files ~20-30 minutes in length. Core Audio seems like a great solution for storing and playing these files, however the catch is that I do not want to send any sound to an audio device. Everything is output graphically as waveforms. None of my considered solutions seem satisfactory:1. AudioComponentDescription.componentSubType = kAudioUnitSubType_GenericOutput for the output node seems similar to what I want, but since it isn't tied to the timing of a hardware output device, it wouldn't let me play files in real-time at the same speed they were recorded.2. Playing the file with the volume turned down, or with the mixer node disabled is a possibility, but when I tried it I got zeroed out audio playback (logical but unfortunate in my case)3. Having a NSTimer callback repeatedly call ExtendedAudioFile.ExtAudioFileSeek is another possibility, but seems like it is very much not how
Replies
2
Boosts
0
Views
710
Activity
Apr ’17
UISwitch for sound
I created a UISwitch to control the sound. I created it in a view controller named SoundViewController. When I quit the view controller, the sound still playing. That's what I want. But when I open the app, no sound. I turn the switch off and turn it on again then it plays sound. When I turn off the switch, the sound off, and I quit the view controller again and come back, I saw the switch is on but no sound. Anyone please help me? Thanks
Replies
0
Boosts
0
Views
488
Activity
Apr ’17