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Re: AudioOutputUnit and QT audio extraction - back to basics

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Re: AudioOutputUnit and QT audio extraction - back to basics

Subject: Re: AudioOutputUnit and QT audio extraction - back to basics
From: Kevin Avila <email@hidden>
Date: Wed, 5 Apr 2006 14:18:44 -0700

Your request has been granted!

The QT team created a sample for last year's WWDC that demonstrations how this should be accomplished. You can download the sample from the ADC web site at:

http://developer.apple.com/samplecode/QTAudioExtractionPanel/QTAudioExtractionPanel.html

The Description (from web site):

QTAudioExtractionPanel adds a specialized Audio Extraction panel to the QTKitPlayer sample application. This panel provides access to some of the advanced audio capabilities introduced in QuickTime 7, including:

* multi-channel audio tracks

* spatially-labeled audio channels

* movie audio mixing using spatial characteristics

* audio device channel layout display (and editing, through Audio/MIDI Setup)

* movie and track level property listeners and accessors

* movie audio extraction configuration, preview, and export

* multi-threaded audio preview and export

---

I hope this helps you.

Kevin Avila

DTS Audio Engineer

Apple Worldwide Developer Relations

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