User manual

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FLAC:FLAC is the abbreviation for "Free Lossless Audio Codec". This
is a freely savable format that can be used to compress your audio
data to 50% of their original size. Unlike lossy compression methods
like MP3 or OGG, the full sound quality is kept intact with FLAC.
OGG:OGG Vorbis files have all of the important characteristics of
MP3 files, except that they do not require any kind of licensing for
their codecs. – They can be freely decoded and encoded. Not all
portable devices support this format.
Keyboard shortcut: K
Format settings
Output format: Set the output bit rate and the stereo or mono format
here.Bit rate is the data stream during playback of audio or video
data. It is given in kilobyte per second (kbit/s or kbps) and also
determined the file size. An MP3 file that is 3 minutes long and has a
constant bit rate of 128 kbit/s is ca. 2.8 MB in size.
Bit rates for music are usually 192 kbit for good quality, 256 kbit and
more for excellent quality. 128 kbit are sufficient for Internet
streaming and speech (in mono).
Encoder quality: The included MP3 encoder can operate in three
"gears": "Fast" mode is especially fast, "highest" mode is very
powerful to achieve the best sound possible and takes a little more
time, and the third "gear" is a compromise between the two.
Padding options: Leave this setting on ISO padding, unless you
detect undesired pauses at the beginning of tracks during playback
on certain players.
Encoder settings: These are optimizations that will only be used for
low bit rates (smaller than 128 kbit) to reduce the file size. "Permit
intensity stereo coding" or "mid/size stereo coding" will save certain
parts of the audio material in mono to save bandwidth. The extend to
which sound quality is improved depends on the material. "Permit
mixdown in mono" allows the encoder to save in mono if it detects
that the content of both stereo channels is identical, even if stereo
was set as output format (e.g. introduction within a radio program).
Content options: The "Use CRC check" option adds an internal
checksum to the MP3 file which checks whether the MP3 file is
complete. The other options (private, copyright, original) are merely
for your own labeling system, as they won't be evaluated in any form.