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authorslakmagik <jsun@freeshell.org>2010-05-11 20:01:24 +0200
committerDavid Somero <xgizzmo@slackbuilds.org>2010-05-11 20:01:24 +0200
commit79a6eae28c8af6827ad1730c2b50d569af2e51cf (patch)
tree32738859dc531fedec848c9f4c368c67caec39a5 /multimedia/shorten/README
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multimedia/shorten: Added to 12.0 repository
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+shorten reduces the size of waveform files (such as audio) using
+Huffman coding of prediction residuals and optional additional
+quantisation. In lossless mode the amount of compression obtained
+depends on the nature of the waveform. Those composing of low
+frequencies and low amplitudes give the best compression, which may
+be 2:1 or better. Lossy compression operates by specifying a minimum
+acceptable segmental signal to noise ratio or a maximum bit rate. Lossy
+compression operates by zeroing the lower order bits of the waveform,
+so retaining waveform shape.