The core OS, core services, media layer, and Cocoa — to build the iPhone OS we took the bottom three layers to form the iPhone OS.

核心OS、核心服务、多媒体层以及Cocoa。

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The media layer... starting with Core Audio, this is the low-level audio layer; on top of that we've built OpenAL, an industry standard.

Media （多媒体）层 - 和核心Audio一起启动，这是底层Audio（声音）层，更高的层我们建构了产业级标准的OpenAL。

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Discuss and study the implement method of Streaming Medis Application Layer Multicast based on the Data-Driver ALM according to the protocol of Application Media Layer theory.

本文根据应用层组播的原理和协议，对基于数据驱动的流媒体应用层组播的实现方法进行探讨。

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The drives write single BD-R media at up to 12X and dual layer BD-R media at up to 8X speeds, recording a full 25GB disc in about 10 minutes.

ENGADGET: Sony Optiarc debuts 12x Blu-ray writers, makes 'em friendly with BD 3D

Yes, playing in New York adds a steroidal layer of media hyperbole.

WSJ: Jeremy Lin: Jason Gay Is Not Yet Sick of the Linsanity

World's first triple-layer Blu-ray Disc media featuring large 100GB recording storage capacity.

ENGADGET: Sharp intros first 100GB BDXL discs, Japan gets first dibs on July 30