Pioneer DV-58AV Owner's Manual - Page 45

Glossary Analog audio Aspect ratio Bonus Group (DVD-Audio only) Browsable pictures (DVD-Audio only) Digital audio DivX Dolby Digital DRM DTS DSD (Direct Stream Digital) EXIF (Exchangeable Image File) File extension HDMI ISO 9660 format JPEG MP3 MPEG-4 AAC Direct representation of sound by an electrical signal. See also Digital audio. The width of a TV screen relative to its height. Conventional TVs are 4:3; widescreen models are 16:9. An 'extra' group on some DVD-Audio discs that requires a key number to access. A feature of some DVD-Audio discs in which the user can browse still pictures recorded on the disc as the audio is played. Indirect representation of sound using numbers. See also Sampling frequency and Analog audio. DivX is a media technology created by DivX, Inc. DivX media files contain not only video but also include advanced media features like menus, subtitles, and alternate audiotracks. A multi-channel audio encoding system developed by Dolby Laboratories that enables far more audio to be stored on a disc than PCM encoding. See also PCM (Pulse Code Modulation). DRM (digital rights management) copy protection is a technology designed to prevent unauthorized copying by restricting playback, etc. of compressed audio files on devices other than the PC (or other recording equipment) used to record it. For detailed information, please see the instruction manuals or help files that came with your PC and/or software. A multi-channel audio encoding system developed by Digital Theater Systems that enables far more audio to be stored on a disc than PCM encoding. See also PCM (Pulse Code Modulation). The Digital Audio encoding system found on SACDs, that expresses the audio signals by the pulse density of one bit data. A file format developed by FUJIFILM for digital still cameras. Digital cameras from various manufacturers use this compressed file format which carries date, time and thumbnail information, as well as the picture data. A tag added to the end of a filename to indicate the type of file. For example, ".mp3" indicates an MP3 file. HDMI (High-Definition Multimedia Interface) is a high-speed digital interface which has the capability to support standard, enhanced, or high-definition video plus standard to multi-channel surround-sound audio on a single digital connection. HDMI features include uncompressed digital video, a bandwidth of up to 5 gigabytes per second and communication between the AV source and AV devices such as DTVs. International standard for the volume and file structure of CD-ROM discs. A standard file format used for still images. JPEG files are identified by the file extension ".jpg". MP3 (MPEG1 audio layer 3) is a compressed stereo audio file format. Files are recognized by their file extension ".mp3". MPEG-4 AAC is a compressed stereo audio file format. Files are recognized by the extension ".m4a". Note that some files purchased with copyright protection (such as files from the iTunes store) may not playback. MPEG audio An audio format used on Video CDs and some DVD 08 discs. Packed PCM (DVD-Audio A lossless compression system that enables more only) PCM audio to be stored on a DVD-Audio disc than would otherwise be possible. PBC (PlayBack Control) A system of navigating a Video CD through on-screen menus recorded onto the disc. PCM Digital audio encoding system found on CDs. Good (Pulse Code Modulation) quality, but requires a lot of data compared to Dolby Digital, DTS and MPEG encoded audio. See also Digital audio. Progressive scan video All the lines that make up a video picture are updated in one pass (compared to interlace which takes two passes to update the whole picture). Regions (DVD-Video only) These associate DVD-Video discs and players with particular areas of the world. See DVD-Video regions on page 41 for more information. Sampling frequency The rate at which sound is measured to be turned into digital audio data. The higher the rate, the better the sound quality. CD is 44.1 kHz; DVD can be up to 96 kHz. See also Digital audio. Super Audio CD (SACD) Super Audio CD is a high quality audio disc format that can accommodate high sampling rate stereo and multi-channel audio, as well as conventional CD audio all on the same disc. WMA WMA is short for Windows Media Audio and refers to an audio compression technology developed by Microsoft Corporation. Files are recognized by their file extension ".wma". WMV WMV is an acronym for Windows Media Video and refers to a video compression technology developed by Microsoft Corporation. Files are recognized by the file extension ".wmv". 45 En