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| 1 | |ProjectID116:prx| | |.prx| | |The file name extension of a profile.| |
| 2 | |ProjectID116:_weu| | |.weu| | |The file name extension of a configuration file used by Windows Media Encoding Script.| |
| 3 | |ProjectID116:_wma| | |.wma| | |The file name extension of an audio file in Windows Media Format. The audio content of the file is encoded with the Windows Media Audio codec.| |
| 4 | |ProjectID116:_wme| | |.wme| | |The file name extension for a Windows Media Encoder session file.| |
| 5 | |ProjectID116:_wmv| | |.wmv| | |The file name extension of a video file in Windows Media Format.| |
| 6 | |ProjectID116:announcement| | |announcement| | |A Windows Media metafile that gives a player the information needed to receive content. Announcement files contain Extensible Markup Language (XML) scripts.<p>| |
| 7 | |ProjectID116:aspect_ratio| | |aspect ratio| | |The ratio of the width of an image to its height.| |
| 8 | |ProjectID116:audio_video_interleaved_avi| | |Audio Video Interleaved (AVI)| | |A multimedia file format for storing sound and moving pictures in RIFF format.| |
| 9 | |ProjectID116:avi| | |AVI| | |See other term: Audio Video Interleaved (AVI)| |
| 10 | |ProjectID116:bandwidth| | |bandwidth| | |A network's capacity for transferring an amount of data in a given time.| |
| 11 | |ProjectID116:bit_rate| | |bit rate| | |The number of bits transferred per second.| |
| 12 | |ProjectID116:caption| | |caption| | |Text that accompanies images or videos | either as a supplemental description or a transcript of spoken words.| |
| 13 | |ProjectID116:cbr| | |CBR| | || |
| 14 | |ProjectID116:codec| | |codec| | |An abbreviation for compressor/decompressor. Software or hardware used to compress and decompress digital media.| |
| 15 | |ProjectID116:compression| | |compression| | |A process for removing redundant data from a digital media file or stream to reduce its size or the bandwidth used.| |
| 16 | |ProjectID116:configuration_file| | |configuration file| | |A text file used by Windows Media Encoding Script that specifies the content to be encoded and the command-line options to be invoked.| |
| 17 | |ProjectID116:constant_bit_rate__cbr_| | |constant bit rate (CBR)| | |A characteristic of a data stream in which the bit rate remains nearly uniform for the duration of the stream.| |
| 18 | |ProjectID116:content| | |content| | |Audio | video | images | text | or any other information that is contained in a digital media file or stream.| |
| 19 | |ProjectID116:deinterlace| | |deinterlace| | |To combine the interlaced fields in a video frame so that | during playback | the lines of the video frame are painted sequentially.| |
| 20 | |ProjectID116:delta_frame| | |delta frame| | |A video frame that contains only the changes from the previous frame. In contrast | a key frame contains all the data necessary to construct that frame.| |
| 21 | |ProjectID116:dynamic_range| | |dynamic range| | |The difference (in decibels) between the quietest and loudest sounds in a single piece of audio content.| |
| 22 | |ProjectID116:encode| | |encode| | |To convert audio and video content to a specified digital format.| |
| 23 | |ProjectID116:frame_rate| | |frame rate| | |The number of video frames displayed per second. Higher frame rates generally produce smoother movement in the picture.| |
| 24 | |ProjectID116:header| | |header| | |A part of the file structure that contains information required by an application to decompress and render the content. The header in a protected file also contains information required to get a license.| |
| 25 | |ProjectID116:ieee_____| | |IEEE 1394| | || |
| 26 | |ProjectID116:institute_of_electrical_and_electronics_engineers__ieee__1394| | |Institute of Electrical and Electronics Engineers (IEEE) 1394| | |A high-speed serial bus standard that provides enhanced computer connectivity for a wide range of devices | including consumer electronics audio/video (A/V) appliances | storage peripherals | other computers | and portable devices.| |
| 27 | |ProjectID116:intelligent_streaming| | |intelligent streaming| | |A type of streaming that detects network conditions and adjusts the properties of a video or audio stream to maximize quality.| |
| 28 | |ProjectID116:interlace| | |interlace| | |To display a video frame in two fields. One field contains the even lines of the frame | the other field contains the odd lines. During playback | the lines in one field are displayed first | then the lines in the second field are displayed.| |
| 29 | |ProjectID116:internet_protocol_version_6__ipv6_| | |Internet Protocol version 6 (IPv6)| | |A revised version of the Internet Protocol (IP) designed to address growth on the Internet. Improvements include a 128 bit IP address size | expanded routing capabilities | and support for authentication and privacy.| |
| 30 | |ProjectID116:inverse_telecine| | |inverse telecine| | |The process that removes the frames that were added when 24-fps film was converted to 30-fps video.| |
| 31 | |ProjectID116:ipv6| | |IPv6| | |See other term: Internet Protocol version 6 (IPv6)| |
| 32 | |ProjectID116:key_frame| | |key frame| | |A video frame containing all the data needed to construct an image without reference to previous frames.| |
| 33 | |ProjectID116:latency| | |latency| | |The delay that occurs while data is processed or delivered.| |
| 34 | |ProjectID116:letterbox| | |letterbox| | |A video display format in which black bars appear above and below the video image while it is played. The letterbox format maintains the original aspect ratio of an image when it is displayed in a window with a different aspect ratio.| |
| 35 | |ProjectID116:license| | |license| | |Data attached to protected content that describes how the content can be used.| |
| 36 | |ProjectID116:loop| | |loop| | |To repeat a stream continuously.| |
| 37 | |ProjectID116:lossless_compression| | |lossless compression| | |A process for compressing data in which information is arranged in a more concise form and restored to its original state upon decompression.| |
| 38 | |ProjectID116:lossy_compression| | |lossy compression| | |A process for compressing data in which information deemed unnecessary is removed and cannot be recovered upon decompression. Typically used with audio and visual data in which a slight degradation of quality is acceptable.| |
| 39 | |ProjectID116:marker| | |marker| | |A text string that is associated with a designated time in Windows Media-based content. Markers often denote convenient points to begin playback | such as the start of a new scene.| |
| 40 | |ProjectID116:mbr| | |MBR| | |See other term: multiple bit rate (MBR)| |
| 41 | |ProjectID116:metadata| | |metadata| | |Data about data. Title | subject | author | and size are examples of a file's metadata.| |
| 42 | |ProjectID116:multicast| | |multicast| | |A content delivery method in which a single stream is transmitted from a media server to multiple clients. The clients have no connection with the server. Instead | the server sends a single copy of the stream across the network to multicast-enabled routers | which replicate the data. Clients can then receive the stream by monitoring a specific multicast IP address and port.| |
| 43 | |ProjectID116:multichannel_audio| | |multichannel audio| | |An audio reproduction system that processes several | typically more than two | channels of sound. For example | 5.1 multichannel audio refers to a surround sound system in which there are five primary channels and a subwoofer channel.| |
| 44 | |ProjectID116:multiple_bit_rate__mbr_| | |multiple bit rate (MBR)| | |A characteristic of a data stream in which the same content is encoded at several different bit rates in order to optimize content delivery.| |
| 45 | |ProjectID116:national_television_standards_committee__ntsc_| | |National Television Standards Committee (NTSC)| | |The dominant television standard in the United States and Japan. NTSC delivers 30 interlaced frames per second at 525 lines of resolution.| |
| 46 | |ProjectID116:ntsc| | |NTSC| | || |
| 47 | |ProjectID116:one_pass_encoding| | |one-pass encoding| | |An encoding method in which content is analyzed and compressed in the same pass through the encoder.| |
| 48 | |ProjectID116:pal| | |PAL| | || |
| 49 | |ProjectID116:pcm| | |PCM| | || |
| 50 | |ProjectID116:phase_alternating_line__pal_| | |Phase Alternating Line (PAL)| | |The dominant television standard in Europe and China. PAL delivers 25 interlaced frames per second at 625 lines of resolution.| |
| 51 | |ProjectID116:pixel_format| | |pixel format| | |The size and arrangement of pixel color components. The format is specified by the total number of bits used per pixel and the number of bits used to store the red | green | blue | and alpha components of the color of the pixel.| |
| 52 | |ProjectID116:postroll| | |postroll| | |To extend the amount of encoded video by a specified number of frames.| |
| 53 | |ProjectID116:preroll| | |preroll| | |To capture or play a number of video frames or a portion of audio data before encoding or rendering begins | in order to allow the source device to stabilize. Also used as a noun to describe the portion of the data to be prerolled.| |
| 54 | |ProjectID116:profile| | |profile| | |A group of settings that match content type and bit rate with appropriate audio and video codecs.| |
| 55 | |ProjectID116:profile_editor| | |Profile Editor| | |A tool provided with Windows Media Encoder that creates and edits the encoding profiles.| |
| 56 | |ProjectID116:publishing_point| | |publishing point| | |An organized memory location that translates a client request for content into the physical path on the server hosting the content. A publishing point essentially acts as a redirector.| |
| 57 | |ProjectID116:pull| | |pull| | |To deliver data to a client only upon client request.| |
| 58 | |ProjectID116:pulse_code_modulation__pcm_| | |pulse code modulation (PCM)| | |A technique for digitizing audio into an uncompressed format by assigning a value to the amplitude of the signal at fixed intervals.| |
| 59 | |ProjectID116:push| | |push| | |To deliver data to a client without a client request for the data.| |
| 60 | |ProjectID116:rgb| | |RGB| | |A color model that describes color information in terms of the red (R) | green (G) | and blue (B) intensities that make up the color.| |
| 61 | |ProjectID116:sampling| | |sampling| | |The process of measuring the amplitude of an analog signal at regular intervals for the purpose of converting the signal into a digital format.| |
| 62 | |ProjectID116:sampling_rate| | |sampling rate| | |The frequency of sampling. The higher the sampling rate (that is | the more samples taken per unit of time) | the more closely the digitized result resembles the original.| |
| 63 | |ProjectID116:script_commands| | |script commands| | |Named data that is associated with a designated time in Windows Media-based content. The data can be used by players to perform a specific action such as displaying a Web page.| |
| 64 | |ProjectID116:source| | |source| | |Audio and video content that can be captured and encoded from devices installed on your computer or from a file.| |
| 65 | |ProjectID116:stream| | |stream| | |Digital media that is in the process of being delivered in a continuous flow across a network.| |
| 66 | |ProjectID116:stream_format| | |stream format| | |Information about the properties of a stream | such as the codecs used | frame rate | and frame size. A player uses stream format information to decode a stream.| |
| 67 | |ProjectID116:stream_format_file| | |stream format file| | |A file used by a player to decode a multicast stream.| |
| 68 | |ProjectID116:telecine| | |telecine| | |The film-to-video conversion system that adds frames to video to compensate for the differences in frame rates between film and video.| |
| 69 | |ProjectID116:time_code| | |time code| | |A digital signal applied to a stream. The signal assigns a number to every frame of video | representing hours | minutes | seconds | and frames.| |
| 70 | |ProjectID116:two_pass_encoding| | |two-pass encoding| | |An encoding method in which content is analyzed in one pass through the encoder | after which compression is applied in the second pass. See also one-pass encoding.| |
| 71 | |ProjectID116:udp| | |UDP| | || |
| 72 | |ProjectID116:unc| | |UNC| | || |
| 73 | |ProjectID116:unicast| | |unicast| | |A method used by media servers for providing content to connected clients in which each client receives a discrete stream. No other client has access to that stream.| |
| 74 | |ProjectID116:universal_naming_convention__unc_| | |Universal Naming Convention (UNC)| | |The full name of a resource on a network. It conforms to the \\servername\sharename syntax | where servername is the name of the server and sharename is the name of the shared resource. UNC names of directories or files can also include the directory path under the share name | with the following syntax: \\servername\sharename\directory\filename.| |
| 75 | |ProjectID116:user_datagram_protocol__udp_| | |User Datagram Protocol (UDP)| | |A connectionless transport protocol in the TCP/IP protocol stack that is used in cases where some packet loss is acceptable | for example | with digital media streams.| |
| 76 | |ProjectID116:variable_bit_rate__vbr_| | |variable bit rate (VBR)| | |A characteristic of a data stream in which the bit rate fluctuates | depending upon the complexity of the data.| |
| 77 | |ProjectID116:vbr| | |VBR| | || |
| 78 | |ProjectID116:windows_media_audio_codec| | |Windows Media Audio codec| | |A codec used to compress and decompress audio streams.| |
| 79 | |ProjectID116:windows_media_file| | |Windows Media file| | |A file containing audio | video | or script data that is stored in Windows Media Format. Depending on their content and purpose | Windows Media files use a variety of file name extensions | such as: .wma | .wme | .wms | .wmv | .wmx | .wmz | or .wvx.| |
| 80 | |ProjectID116:windows_media_format| | |Windows Media Format| | |The format used by Microsoft Windows Media Technologies (or a third-party product that incorporates a licensed Windows Media technology) to author | store | edit | distribute | stream | or play timeline-based content.| |
| 81 | |ProjectID116:windows_media_metafile| | |Windows Media metafile| | |In Windows Media Technologies | a file that provides information about Windows Media files and their presentation. File name extensions for Windows Media metafiles include .asx | .wax | .wvx | .wmx | and .nsc.| |
| 82 | |ProjectID116:windows_media_screen_codec| | |Windows Media Screen codec| | |A codec used to compress and decompress sequences of screen images.| |
| 83 | |ProjectID116:windows_media_video_codec| | |Windows Media Video codec| | |A codec used to compress and decompress video streams.| |
| 84 | |ProjectID116:yuv| | |YUV| | |A color model that describes color information in terms of its brightness (luminance | or Y) | and color (chrominance | or U and V).|
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