here are some information about video editing, which is sent to you for your research. The information is as follows:
Glossary
AVI
Audio-Video Interleave is a digital video file format specially designed for Microsoft Windows environment, and now it is usually used as a storage format for various audio and video codec programs.
avchd
advanced video codec high definition is a video format specially used for cameras. It uses a disc structure specially designed for Blu—ray disc/high-definition compatibility, and can be burned on standard DVD.
Blu-ray disc
Blu-ray disc is an optional disc format that uses blue laser to achieve high-definition video recording and playback. Each disc can also burn more information in 25-GB (single-layer) and 5-GB (double-layer) discs, which is more than five times the capacity of standard DVD.
dnle
the abbreviation of digital non-linear editing, which is a method for combining and editing multiple video materials to generate the final product. DNLE can randomly access all source materials at any time during editing.
the acronym for p>DV
Digital Video stands for a very specific video format, just like VHS or High-8. With proper hardware and software, your DV camera and computer can recognize (play back, record) this format. You can copy DV from the camera to the computer, and then copy the movie back to the camera (after editing, of course) without any loss of quality.
DVD
DVD (digital versatile disc) is widely used in video production because of its quality and compatibility advantages. DVD can not only ensure the quality of video and audio, but also use MPEG-2 format, which can be used to make single-sided or double-sided and single-layer or double-layer optical discs. These DVDs can be played in a separate DVD player or in a DVD-ROM drive of a computer.
FireWire
a standard interface for connecting a digital audio/video device such as a DV camera to a computer. It is Apple's trademark name for IEEE-1394 standard.
HDV
HDV is a format for recording and playing back high-definition video on DV cassette. HDV video was released in 23. As an economical high-definition format, it can support 144 × 18 resolution and be compressed in MPEG-2 format. HDV audio is compressed with MPEG-1 sound layer 2.
IEEE-1394
, also known as Firewire, is a standard that allows high-speed serial connection between computers and HDV/DV cameras or other high-speed peripheral devices. Devices that meet this latest standard can transmit 4 megabits of digital data per second.
MP3
the abbreviation of mpeg audio layer-3. MP3 is an audio compression technology, which can produce audio quality close to CD with a very small file size, so that it can be transmitted quickly through the Internet.
MPEG-2
an audio and video compression standard used in products such as DVD.
MPEG-4
video and audio compression formats commonly used in mobile devices and Internet video streams provide high-quality video at low data rates.
nle
short for non-linear editing. In the past, the traditional editing of VCR had to be linear, because it had to access the material on the video tape in sequence. Computer editing can be done in any convenient order.
NTSC/PAL
NTSC is a video standard used in north America, Japan, Taiwan Province and some other regions. Its frame rate is 29.97 fps. PAL is commonly used in Europe, Australia, New Zealand, China, Thailand and some other Asian regions, and its frame rate is 25 fps. There are other differences between the two standards. In the field of DV and DVD, the video resolution of NTSC is 72 × 48 pixels, while that of PAL is 72 × 576 pixels.
split by scene
this function automatically splits different scenes into several separate files. In Corel Audio-Visual Pro, the way to detect the scene depends on the steps you are in. In the "Capture" step, the "Split by Scene" function detects each scene according to the recording date and time of the original shot. In the "edit" step, if the "split by scene" function has been applied to the DV AVI file, you can detect the scene in two ways: by the recording date and time, or by the change of video content. However, in MPEG files, the scene can only be detected according to the content changes.
titles
titles can be movie titles, subtitles or credits. Any text overlaid on the video can be used as a title.
Capture plug-ins
These are tools integrated with Corel Audio Visual Pro, through which Corel Audio Visual Pro can identify capture devices and automatically detect them when they are connected to the computer.
codecs
use special algorithms or programs to process video. The word (Codec) comes from compression /decompression or encoder /decoder.
capture
the process of recording video or images to the computer hard disk.
scene
a scene is a series of consecutive frames. In Corel Audio-Visual Pro, each scene is captured by the function of "Segmentation by Scene" based on the date and time of lens recording. In the captured DV AVI file, the scene can be divided into several files according to the recording date and time of the shot, or according to the changes in video content. In MPEG-2 file, the change of content is used to divide the scene into files.
the process of exporting
*** files. When exporting a file, the data is usually converted into a format that can be recognized by the receiving application. The original file remains unchanged.
fade
a transition effect in which the material gradually disappears or appears. In the video, the picture will gradually become monochrome, or gradually change from monochrome; Or from one picture to another. For audio, this transition effect can be from maximum volume to complete silence, or from silence to maximum volume.
Overlay
These are video or image materials superimposed on existing materials in the project.
storyboard
A storyboard is a visual presentation of a movie. Each material is presented on the time axis in the form of an image sketch.
keyframes
A specific frame in a material marked for special editing or other operations to control the flow, playback or other characteristics of the finished animation. For example, when applying a video filter, you can specify different effect levels for the start frame and the end frame, which can show the display changes of the video from the beginning to the end of the video material. When creating a video, specifying key frames for the parts with high data transmission requirements helps to control the smoothness of video playback.
voiceover
The narration in a video or movie is usually called "voiceover". This is most commonly used in documentaries.
shot
a recorded film to be used in a larger project.
instant playback
allows you to view the entire project without rendering. This function can play all the materials in the Preview window immediately without creating a temporary preview file in the system. The playback quality depends on the hardware configuration.
if instant playback causes frames to be dropped, use high-quality playback to preview the project.
start mark/end mark
points in the material that have been marked for editing and trimming. By setting the start position (start mark) and end position (end mark), you can select a part from the longer material.
aspect ratio
gives the relationship between the width and height of a given image or picture. Maintaining or maintaining the aspect ratio refers to the process of maintaining the size relationship when the width or height of an image or picture changes. The two most common aspect ratios of standard definition (SD) and high definition (HD) widescreen formats of video are 4:3 and 16:9.
linking
a way to store previously saved information in another program without significantly affecting the final file size. Another advantage of linking is that you can modify the original file in the original program, and the changes will be automatically reflected in the linked program.
streaming
allows large files to be played while downloading. Circulation is often used for large audio and video files provided on the Internet through video sharing websites.
templates
work styles in software programs. They are predefined formats and settings that serve as a guide when making a project.
configuration files
configuration files cover various attributes of Windows Media Format files, such as bit rate, number and type of streams, compression quality, frame size, etc.
driver
a software program used to control the connection between a specific device and a computer.
material
a short section or part of a movie. The material can be audio, video, still images or titles.
color material
a simple background color used in movies. It is usually used for titles and credits, because these contents can be highlighted against a monochrome background.
data rate
the amount of data transferred from one location of the computer to another location per second. These data rates will be different in different types of media.
device control
a software driver that allows a program to control a video source such as a video camera or VCR.
material library (Corel Pro)
"material library" is the repository of all media materials. You can store video, audio, title or color materials in the material library, and you can get these materials immediately for use in the project.
time code
the time code of a video file is a digital presentation method of the position in the video. Time code can be used for very accurate editing.
Timeline
The Timeline is a graphical presentation of movies in chronological order. The relative size of the material on the Timeline allows you to accurately grasp the length of the media material and the relative positions of the title, overlay and audio.
video filter
a video filter is a method to change the display effect of video materials, such as mosaics and ripples. It can be used as a correction method to correct shooting errors, and it can also be creatively used to achieve specific effects for videos.
Plug-ins
Plug-ins are tools that can add more functions and effects to programs. In Corel Audio-Visual Pro, the plug-in program enables the program to automatically identify the capture device and the output video for different purposes, such as e-mail, web pages, video greeting cards and DV recording.
retouching
the process of editing or trimming video material. Video can be trimmed frame by frame.
effect
in Corel audio-visual Pro, effect is a special attribute generated by computer, which can be applied to video material to change the appearance and quality of video to obtain a specific appearance effect.
Project file
in Corel audio-visual pro, the project file (*.VSP) contains the information needed to link all related image, audio and video files. When using Corel Audio Visual Pro, you must open a project file before editing the video.
rendering
rendering is the process of generating the final movie from the source files in the project.
compression
compression is realized by encoding and decoding programs, and it is expressed by deleting redundant data or in a decompression way. Almost all digital videos are compressed in some way, but the degree of compression is different. The greater the degree of compression, the more resources are needed for playback.
noise
noise spots may appear in audio and video. In audio, it is unnecessary hiss, while in video, it is random image spots and dots on the screen. These are the most common electronic interferences in analog audio and video.
frame
a single image in a movie.
frame rate
the number of frames per second in the video. NTSC video is usually 29.97 frames per second (fps), while PAL is 25 fps, but a slower frame rate can be used in computers to create smaller video files.
frame size
the size of the displayed image in a video or animation sequence. If the image to be used in the sequence is larger or smaller than the current frame size, it must be resized or trimmed.
transition effect
a transition is a method of sorting between two video materials, such as fading from one material to another.
intelligent rendering
intelligent rendering technology can save the time of generating preview by rendering only the parts modified in the last rendering operation.
that's all. I wish you happiness!