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What do you think of alternative compression standards like MP3 Pro, VQF, AAC, AC-3 or WMA?

April 26, 2017AAC AC-3 alternative compression mp3 Pro Standards think vqf wma

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What do you think of alternative compression standards like MP3 Pro, VQF, AAC, AC-3 or WMA?

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Most of them allows to obtain sound of rather good (VQF) or better (AAC) quality plus higher compression factor (14:1 at VQF against 11:1 at MP3). But they all have complicated encoding procedure which demands a lot of time and CPU power (except for WMA by Microsoft which is incredibly fast). Besides, some of those standards (VQF by Yamaha and AAC/AC-3 by Dolby Laboratories) would hardly become world wide accepted due to company’s policy concerning copyright.