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Siren is a family of patented, transform-based, wideband audio coding formats and their audio codec implementations developed and licensed by PictureTel Corporation (acquired by Polycom, Inc. in 2001). There are three Siren codecs: Siren 7, Siren 14 and Siren 22.
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siren audio 14 polycom codec 22 722 formats also provides 32 kbit using coding khz bit rates 24 algorithm mono
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