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Apple Pro Training Series Compressor 3 Quick-Reference Guide by Brian Gary

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Chapter 9. Format Conversions

Format conversions (also known as standards conversions) are the result of transcoding source media from one format into another format.

A golden rule of transcoding is: To achieve the highest quality output media, you should start with source media of equal or higher quality compared to your desired output. For example, you will produce significantly better format conversions when transcoding from HD to SD, from larger frames to smaller frames (such as 1280 × 720 to 320 × 240), and from uncompressed to compressed formats (such as 10-bit to DV) than when transcoding any of those examples in reverse.

Working with Production Codecs

Production codecs provide an intermediate format for transcoded media that lets you ...

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