- 行业: Computer; Software
- Number of terms: 54848
- Number of blossaries: 7
- Company Profile:
Apple Inc., formerly Apple Computer, Inc., is an American multinational corporation headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software and personal computers.
In Core Audio, for a panner unit, a parameter that specifies the maximum value for the distance parameter, in meters.
Industry:Software; Computer
A movie track that contains alternate data for another track. QuickTime chooses one track to be used when the movie is played. The choice may be based on such considerations as image quality or localization. See also track.
Industry:Software; Computer
A pane in the Print dialog that lets the user set the number of copies and the range of pages to be printed.
Industry:Software; Computer
A data structure used to synchronize access to a shared resource. The most common use for a lock is in multithreaded programs where multiple threads need access to global data. Generally, only one thread can hold the lock at a time; by convention, this thread is the only one that can modify the data during this period. Some lock variants such as read-write locks allow multiple threads to hold a single lock under certain conditions. See also mutex lock
Industry:Software; Computer
A QuickDraw function that has no direct replacement in Quartz, primarily because Quartz does not use a bit-based graphics model, as QuickDraw does.
Industry:Software; Computer
The shape of a signal when visualized as a graph showing its variation in amplitude over time.
Industry:Software; Computer
System-level database of all the installation packages installed by the Installer application.
Industry:Software; Computer
A delayed copy optimization used in Mach. The object to be copied is marked temporarily read-only. When a thread attempts to write to any page in that object, a trap occurs, and the kernel copies only the page or pages that are actually being modified. See also thread.
Industry:Software; Computer
A set of iPhone OS and Mac OS X frameworks that provides audio services (depending on the platform) that include recording, playback, synchronization, signal processing, format conversion, panning and surround sound, hardware abstraction, and others.
Industry:Software; Computer
