說明書 PIONEER XW-DV535

[. . . ] 44 調整各揚聲器的輸出位準 （Channel Level）. 45 變更觀賞 BD-ROM 的年齡限制 . 46 變更觀賞 DVD 的成人鎖定 （Parental Lock）等級 . 48 變更輸出視訊和音訊訊號的端子 （Output Terminal Priority）. [. . . ] The standard is divided into two parts, Part 1 being the actual specification, while Part 2 covers compliance testing methods. Part 1 is titled "Digital Compression and Coding of Continuous-tone Still Images, Part 1: Requirements and guidelines" and has document numbers ISO/IEC IS 10918-1, ITU-T T. 81. Part 2 is titled "Digital Compression and Coding of Continuous-tone Still Images, Part 2: Compliance testing" and has document numbers ISO/IEC IS 10918-2, ITU-T T. 83. Some extensions to the original JPEG standard are defined in JPEG Part 3, a newer ISO standard numbered ISO/IEC IS 10918-3 and ITU-T T. 84. IJG currently does not support any Part 3 extensions. The JPEG standard does not specify all details of an interchangeable file format. For the omitted details we follow the "JFIF" conventions, revision 1. 02. A copy of the JFIF spec is available from: Literature Department C-Cube Microsystems, Inc. Milpitas, CA 95035 phone (408) 944-6300, fax (408) 944-6314 A PostScript version of this document is available by FTP at ftp://ftp. uu. net/graphics/jpeg/jfif. ps. gz. There is also a plain text version at ftp://ftp. uu. net/graphics/jpeg/ jfif. txt. gz, but it is missing the figures. 07 65 ChH 07 The TIFF 6. 0 file format specification can be obtained by FTP from ftp://ftp. sgi. com/graphics/tiff/TIFF6. ps. gz. The JPEG incorporation scheme found in the TIFF 6. 0 spec of 3-June-92 has a number of serious problems. The latest version is distributed by the NetPBM group, and is available from numerous sites, notably ftp://wuarchive. wustl. edu/graphics/graphics/packages/NetPBM/. Unfortunately PBMPLUS/NETPBM is not nearly as portable as the IJG software is; you are likely to have difficulty making it work on any non-Unix machine. A different free JPEG implementation, written by the PVRG group at Stanford, is available from ftp://havefun. stanford. edu/pub/jpeg/. This program is designed for research and experimentation rather than production use; it is slower, harder to use, and less portable than the IJG code, but it is easier to read and modify. Also, the PVRG code supports lossless JPEG, which we do not. (On the other hand, it doesn't do progressive JPEG. ) FILE FORMAT WARS Some JPEG programs produce files that are not compatible with our library. The root of the problem is that the ISO JPEG committee failed to specify a concrete file format. Some vendors "filled in the blanks" on their own, creating proprietary formats that no one else could read. (For example, none of the early commercial JPEG implementations for the Macintosh were able to exchange compressed files. ) The file format we have adopted is called JFIF (see REFERENCES). This format has been agreed to by a number of major commercial JPEG vendors, and it has become the de facto standard. JFIF is a minimal or "low end" representation. [. . . ] Many people have made generous contributions to the wide range of software distributed through that system in reliance on consistent application of that system; it is up to the author donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice. This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License. If the distribution and/or use of the Library is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Library under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates the limitation as if written in the body of this License. [. . . ]