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authorTrevor Johnson <trevor@FreeBSD.org>2004-04-10 17:11:02 +0000
committerTrevor Johnson <trevor@FreeBSD.org>2004-04-10 17:11:02 +0000
commitf844f89eae41ff16153dc2b25c0706c6dffbd205 (patch)
tree5c623b2396dd5d45381df003d7c24921239c9eaa /audio/mp3encode
parent33c7fcfd70a00aa38fba01e087d4a6c3285ae5fb (diff)
downloadports-f844f89eae41ff16153dc2b25c0706c6dffbd205.tar.gz
ports-f844f89eae41ff16153dc2b25c0706c6dffbd205.zip
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-INTRODUCTION
-============
-mp3encode is a package for encoding MPEG layer I, II and III audio
-files. This is the reference implementation so don't expect
-spectacular performance.
-
-Driving encode is pretty simple although it may take some practice to
-work out an optimal compression rate. AIFF files are the only type of
-files that seem to work with this version so you may need to install a
-port like "sox" to convert your file types. I use the "nas" port to
-record and edit all of my audio files but so long as you have a valid
-AIFF file it shouldn't matter what you use.
-
-Although the source code includes a decoder I have decided not to port
-it because we already have a couple of top class mpeg decoders in the
-ports collection.
-
-HINTS & TIPS
-============
-Physcoacoustic model 2 is the only supported model in layer III
-encoding. A bit-rate of 128Kbps is adequate for most forms of music but
-you may need to turn down the compression to 160Kbps if the music is
+ The mp3encode package encodes MPEG layer I, II and III audio files.
+This is the reference implementation so don't expect spectacular performance.
+ Driving encode is pretty simple although it may take some practice to
+work out an optimal compression rate. AIFF files are the only type of files that
+seem to work with this version so you may need to install a port like "sox" to
+convert your file types. I use the "nas" port to record and edit all of my audio
+files but so long as you have a valid AIFF file it shouldn't matter what you
+use.
+ Although the source code includes a decoder I have decided not to port
+it because we already have a couple of top class MPEG decoders in the ports
+collection.
+ Psychoacoustic model 2 is the only supported model in layer III
+encoding. A bit-rate of 128 kilobits/s is adequate for most forms of music but
+you may need to turn down the compression to 160 kilobits/s if the music is
particularly atmospheric.
-
-Vocal spoken recordings are best encoded using a 32Kbps bit-rate with
-layer II (layer III makes you sound like a Dalek under digital water)
-with a 32kHz sample rate in mono. Using this method I have managed to
-get about 5 minutes of AM Radio quality audio into around 1 MB.
-
-MISC
-====
-If anyone finds any bugs in this software please let me know and
-include patches to fix them.
+ Vocal spoken recordings are best encoded using a 32 kilobits/s bit-rate
+with layer II (layer III makes you sound like a Dalek under digital water) with
+a 32 kHz sample rate in mono. Using this method I have managed to get about 5
+minutes of AM radio quality audio into around 1 MB.
+ If anyone finds any bugs in this software please let me know and include
+patches to fix them.
Share and enjoy,
-
Joel...