Một thiết bị di động là gì? Đối với các mục đích của chương này, tôi sẽ xác định một thiết bị di động như một cái gì đó đủ nhỏ để vừa trong túi của bạn có thể chơi video, hoặc tải về thiết bị hoặc trực tiếp từ Internet. Các thiết bị này có rất nhiều hình dạng và kích cỡ màn hình. Và, trong khi nó có thể được thuận tiện để suy nghĩ của tất cả chúng như iPhone, sự thật của vấn đề là iPhone có một rất nhỏ. | THE NEW FRONTIER MOBILE DEVICES Our industry today is confronting two divergent driving technologies the burgeoning growth of high-definition large-screen video and the explosion in small portable devices that play video. We ve looked at the high-end of this scale. In this chapter we look at the other end - creating video for mobile phones. We ll start with a look at what Apple has released in its latest version of Final Cut Studio then wrap up our look at Adobe Production Premium with a tour of Device Central - a program that has no peer within the Apple suite. What s a Mobile Device For the purposes of this chapter I ll define a mobile device as something small enough to fit in your pocket that can play videos either downloaded to the device or streamed from the Internet. These devices have a wide variety of screen shapes and sizes. And while it may be convenient to think of all them as iPhones the truth of the matter is that the iPhone has a very small portion of the market. What this means is that there is no single video solution that plays perfectly on all devices. As we have come to expect the situation is more complex than that. However unlike wrestling with the many flavors of HD video creating videos for mobile devices comes down to two choices video for Apple devices and video for everything else. For Apple devices the options are easily met with the new Share feature in Final Cut Pro and recent versions of Compressor. For non-Apple devices Adobe has come to the rescue with Adobe Media Encoder AME and Device Central. Let s first take a look at the design challenges of creating a video for very small screens then look at each of these two delivery options starting with Apple. 273 274 Chapter 11 THE NEW FRONTIER MOBILE DEVICES Design Considerations for Mobile Video Entire books are written on design considerations when creating images for video or the Web for that matter. And there are always exceptions to every rule. The key thing to keep in mind is that
