Retired Document
Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.
SillyFrequencyLevels
| Last Revision: | Version 1.0, 2006-01-25 Demonstrates how to obtain audio frequency levels from a Movie using SetMovieAudioFrequencyMeteringNumBands and GetMovieAudioFrequencyLevels APIs. |
| Build Requirements: | Xcode 2.2, MacOSX10.4u.sdk |
| Runtime Requirements: | Mac OS 10.4.x, QuickTime 7 |
SillyFrequencyLevels is a simple demonstration of the new QuickTime Audio APIs to obtain real-time measurements of the average audio output power level in one of more frequency bands. This sample specifically uses the SetMovieAudioFrequencyMeteringNumBands and GetMovieAudioFrequencyLevels APIs. This project builds a Universal Binary application.
Copyright © 2006 Apple Computer, Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2006-01-25