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Opuscodecblockdiagramen.svg Blockdiagramm des OpusCodecs mit englischsprachiger Beschriftung block diagram of the Opus codec with englishlanguage labeling CELTcodecblockdiagramsimpleen svg UTC CELTcodecblockdiagramsimpleen svg CELTcodecblockdiagramsimplede svg Muff cabbage derivative work Muff cabbage talk derivative work Flugaal