International video standards conversion presents a larger challenge to international viewing than does the region coding system itself. Video standards conversion is active because comparing the two reveals that circumventing the region coding system is passive.

Video conversion requires an active process for conversion to be in place. Whereas bypassing region codes is simply a matter of allowing information to pass through. Moreover, standards conversion is not a trivial task, nor is it one that either works or does not.

Different variety of methods and levels of quality converting video signals from one standard to another can be done. Not surprisingly, the methods that yield the highest quality conversion are also the most complex and are thus the most expensive. This section provides an overview of how video standards conversion from PAL to NTSC works.

The process for converting VHS tapes formatted with international videotape standards such as PAL, N-PAL, M-PAL, SECAM, and MESECAM to NTSC standard or converted from any supported format (see the Supported Audio and Video Media Formats Operational Procedure) to a VHS video tape recorded in an international standard.

In general standards conversion (a PAL videotape to an NTSC monitor, for example) there is a process of converting the color. Even in these conversions, the color portion of the conversion is relatively simple because the color elements of the PAL standard are based on and are an improvement of the older NTSC standard. The PAL system does have more color information, resulting in a more accurate and stable color picture. Since it is similar in nature to the NTSC color system, however, little work is needed to convert the color system.

Converting the number of scan lines in a field from PAL to NTSC basically means fitting the 312 scan lines in a PAL field into the 262 scan lines of an NTSC field. The methods vary, as does the quality of their results. There is no "perfect" or "correct" video standards conversion, only processes that yield different results.

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