logo
down
shadow

How can I do metering/average peak power level in OpenAL?


How can I do metering/average peak power level in OpenAL?

By : AkshatDas
Date : November 20 2020, 07:00 PM
help you fix your problem I'm assuming you're looking for a drop-in replacement of AVAudioPlayer's peakPowerForChannel: method. Unfortunately, there is none. You'll have to roll your own.
OpenAL "sounds" are a combination of a "buffer" (your sample data, loaded in memory) and a "source," which represents something like properties you want applied to your sample data.
code :


Share : facebook icon twitter icon
AVAudioRecorder: peak and average power

AVAudioRecorder: peak and average power


By : dzyga
Date : March 29 2020, 07:55 AM
this will help While I've not looked at those values, since it's related to audio volume, I'd guess that it's measured as a change in decibels.
0 would be maximum loudness and anything quieter than that could be expressed as a drop in decibels.
Trying to understand AVAudioPlayer and audio level metering

Trying to understand AVAudioPlayer and audio level metering


By : Moogle
Date : March 29 2020, 07:55 AM
hope this fix your issue You're updating and then asking for the value of the meters almost immediately after the sound starts -- that updateMeters is probably running a few tens of milliseconds after you send play. So if there's any silence at the beginning of the clip, you could very well be getting the correct reading. You should trying delaying your inspection, and you may also need to send updateMeters inside the loop, right before you inspect the values.
You're also never actually getting the meter values for channels > 0, because you pass 0 no matter what the value of i is in the loop. I think you meant to do this:
code :
for (int currChan = 0; currChan < channels; currChan++) {
    //Log the peak and average power
    NSLog(@"%d %0.2f %0.2f", currChan, [audioPlayer peakPowerForChannel:currChan], [audioPlayer averagePowerForChannel:currChan]);
}
AVPlayer Live stream how to get power for audio level metering, something new?

AVPlayer Live stream how to get power for audio level metering, something new?


By : Diego Siena
Date : March 29 2020, 07:55 AM
To fix this issue i think this link is helping you https://github.com/tumtumtum/StreamingKit
Level Metering with AVAudioEngine

Level Metering with AVAudioEngine


By : heaphintronik
Date : March 29 2020, 07:55 AM
wish help you to fix your issue Try to install a tap on main mixer, then make it faster by setting the framelength, then read the samples and get average, something like this:
AVPlayer Live stream how to get power for audio level metering

AVPlayer Live stream how to get power for audio level metering


By : lakshmi
Date : March 29 2020, 07:55 AM
wish help you to fix your issue Ordinarily, you can get at the audio samples of an AVPlayer by using an MTAudioProcessingTap on the player item, however your asset resists this through
the tracks property on your AVURLAsset never becoming available not calling you back when you observe and attach the tap to your playerItem.tracks's assetTrack.
Related Posts Related Posts :
  • How to insure MFMailComposeViewController doesnt send email when body is not empty?
  • How to add ANY language in app description on AppStore? Tremendous impact on downloads!
  • Play multiple audio files using AVAudioPlayer
  • Infinite loop when adding CATiledLayer to UIView
  • How can I detect if an iPhone OS device has a proximity sensor?
  • setNeedsDisplayInRect: paints a white rectangle only
  • iPhone in App purchase : Working but Not
  • How do I debug production push notifications using Xcode?
  • Possible to play a sound without stopping music?
  • XML Processing on iPhone: What is the best option?
  • iphone Json POST request to Django server creates QueryDict within QueryDict
  • How do I make a UIAlertView appear only once, at the first start-up of an iPhone app?
  • invoking iphone address book within another application?
  • Draw triangle iphone
  • Changing font size of tabbaritem
  • Dynamically add a new row as Add in UITableView in edit mode?
  • Play an audio file using RemoteIO and Audio Unit
  • Can I change the Bundle Identifier in my app after it's been approved?
  • MKMap Annotations when clicked show a View controller instead of Popup box
  • iPhone - possible to not show keyboard but still show the cursor in a UITextField?
  • Disabling Magnifying Glass in UITextView in an iPhone App
  • Lazy load pages in UIScrollView
  • how to display CFStringType? Like kABHomeLabel
  • how can i load a display in tableview header section iphone?
  • iPhone native app + integrate payment / purchase to buy products
  • IPhone and Android website design
  • Xcode Project Code Changes Not Updating 100% After Save-Build-Run
  • NSString drawAtPoint Crash on the iPhone (NSString drawAtPoint)
  • Save UIwebview contents to photo gallery
  • Change width of UIImageView
  • iPhone: Group by month - Core Data
  • NSUndoManager grouping problem?
  • iPhone: Override UIButton buttonWithType to return subclass
  • Iphone sdk, Rounded UIImageView FRAME corners, not just masking it
  • iPad application crash in Apple review - cannot replicate in simulator, have crash log
  • Setting tick marks for UISlider
  • Can we add UILabel to splash screen in iphone?
  • iPad custom Keyboard GUI
  • striking through the text
  • Push Notification in Iphone application
  • How to turn off the bounce in UIWebView
  • Updated iphone application not live yet
  • Exposing python api over the network for an iphone application
  • Create a table of contents from a pdf file
  • Blurred PNGs on UIView, using Interface Builder
  • UIWebView NSURLRequestReloadIgnoringLocalCacheData doesn't actually ignore the cache
  • uitableview reloadData issue
  • UIView animation along a round path?
  • UITabBarController detect tab clicks
  • iPhone objective-c autoreleasing leaking
  • EXC_BAD_ACCESS with NSAutoReleasePool
  • How to write text on graph x and y-axis intervals points?
  • Mobile Application design: Menu Driven vs Tab Control
  • Confused about UIView frame property
  • Integrating FB connect with Foursquare into an IPhone App
  • How to get a volume measurement of iPhone recording in dB, with a limit of at least 120dB
  • What are the Build Settings for a Universal iPhone and iPad Application
  • How to add lowercase field to NSURLRequest header field?
  • Convert NSMutableArray to string and back
  • MFMailComposeViewController programmatically call the "Send" button
  • shadow
    Privacy Policy - Terms - Contact Us © 35dp-dentalpractice.co.uk