26

Using an HDV Camcorder to Capture or Output DV Footage

You can use an HDV camcorder as a standard DV device. However, before doing this, make sure that:

åThe Log and Capture window is closed

åThe camcorder is set to DV mode, not HDV mode

For more information, see the documentation that came with your camcorder.

åYou choose the proper DV Easy Setup before opening the Log and Capture window

Editing HDV Footage

For the most part, editing HDV footage is identical to editing any other format in Final Cut Pro. However, because of the GOP structure of MPEG-2 media, edits in HDV sequences require some additional processing during playback and output. The additional processing happens automatically, but it is a good idea to understand why it is necessary.

About Long-GOP Editing and Rendering

When you edit two HDV clips together in a sequence, the GOP pattern is typically broken. In particular, cutting an HDV clip can remove the I-frame that subsequent

P- and B-frames rely on for picture information. When this happens, Final Cut Pro must preserve the I-frame for these other frames to refer to, even though the I-frame is no longer displayed in the sequence. Final Cut Pro reconforms the broken GOPs in the vicinity of the edit and leaves the subsequent GOPs unchanged.

This requires additional processing power and memory not necessary for I-frame-only editing (such as DV editing). During playback, this process happens in real time. For output and export, Final Cut Pro reencodes (or conforms) the areas of your sequence that require new I-frames or GOPs.

Note: Some applications, such as DVD Studio Pro, support simple MPEG-2 editing, in which you are allowed to cut only at GOP boundaries. Final Cut Pro allows you to cut on any frame. Although you cannot set Final Cut Pro to edit on GOP boundaries only, you can transcode your source files to the Apple ProRes 422 codec, ensuring I-frame-only editing, or you can temporarily turn off the reconforming of the GOP boundaries by deselecting one or more render status categories in the appropriate Render submenu of the Sequence menu.

Improving HDV Rendering by Using the Apple ProRes 422 Codec

To save time during rendering, you can set up your native HDV sequence to render using the Apple ProRes 422 codec. Using the Apple ProRes 422 codec also produces high-quality 4:2:2 render files that, in some cases, may be higher quality than rendering back to native HDV.

Chapter 1 Working with HDV

Page 26
Image 26
Apple 6 Editing HDV Footage, Using an HDV Camcorder to Capture or Output DV Footage, About Long-GOP Editing and Rendering

6 specifications

The Apple iPhone 6, released in September 2014, marked a significant evolution in Apple's smartphone lineup. This model introduced a larger screen and a sleeker design, setting the stage for future devices in the iPhone series.

One of the most notable features of the iPhone 6 was its display. With a 4.7-inch Retina HD screen, the iPhone 6 offered a resolution of 1334 x 750 pixels, delivering vibrant colors and sharp images. This screen size was a departure from previous models, appealing to users who favored larger displays for better viewing experiences, whether for gaming, watching videos, or browsing the web.

The design of the iPhone 6 was another highlight. It featured a slim, curved aluminum body that not only made it more aesthetically pleasing but also improved its ergonomics. Weighing just 129 grams, the phone was light yet robust. The placement of volume buttons, the power button, and the headphone jack was thoughtfully designed to enhance usability.

Under the hood, the iPhone 6 was powered by the A8 chip, a 64-bit dual-core processor that offered impressive performance and energy efficiency. Coupled with the M8 motion coprocessor, the device could effectively handle demanding apps and services while optimizing battery life, providing users with a smooth experience throughout the day.

The camera capabilities of the iPhone 6 were also advanced for its time. It featured an 8-megapixel rear camera with optical image stabilization and a f/2.2 aperture, allowing for clearer low-light photography. The front-facing camera was improved as well, offering a 1.2-megapixel resolution and support for 720p HD video, making it great for selfies and video calls.

Connectivity options included LTE support, enabling faster download speeds, and Wi-Fi calling, which allowed users to make calls over Wi-Fi networks, enhancing communication in areas with poor cellular coverage. The iPhone 6 also introduced the Apple Pay feature, allowing users to make secure transactions using their devices.

In terms of software, the iPhone 6 originally came with iOS 8, which boasted new features such as HealthKit and HomeKit, further integrating technology into daily life. Regular software updates ensured that users could enjoy the latest features and security enhancements well into the device's lifecycle.

Overall, the iPhone 6 distinguished itself with a combination of innovative design, powerful performance, and a user-friendly experience, solidifying Apple's position in the smartphone market and paving the way for future iterations in the iPhone lineup.