252 lines
12 KiB
TeX
252 lines
12 KiB
TeX
% $Id:$ %
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\screenshot{main_menu/images/ss-recording-settings}{The recording settings screen}{}
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\note{To change the location where recordings are stored open the
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\setting{Context Menu} (see \reference{ref:Contextmenu}) on the directory
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where you want to store them in the \setting{File Browser} and select
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\setting{Set As Recording Directory}.}
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\section{Format}
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Choose which format to save your recording in. The available choices are
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the two uncompressed formats \setting{PCM Wave} and \setting{AIFF}, the
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losslessly compressed \setting{WavPack} and the lossy
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\setting{MPEG Layer~3}.
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\section{Encoder Settings (MP3 only)}
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This sets the bitrate when using the \setting{MPEG Layer~3} format.
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\section{Frequency}
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\nopt{ipodnano,ipodcolor,ipod4g}{
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Choose the recording frequency (sample rate).
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\opt{c200,e200}
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{24~kHz, 22.05~kHz and 16~kHz}
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\opt{iriverh100,iriverh300}
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{44.1~kHz, 22.05~kHz and 11.025~kHz}
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\opt{iaudiom3,iaudiom5,iaudiox5,vibe500}
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{88.2~kHz, 44.1~kHz, 22.05~kHz and 11.025~kHz}
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\opt{iriverh10}
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{96~kHz, 88.2~kHz, 48~kHz, 44.1~kHz, 32~kHz and 8~kHz}
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\opt{samsungyh}
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{48~kHz, 44.1~kHz, 32~kHz, 24~kHz, 22.05~kHz, 16~kHz, %
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11.025~kHz and 8~kHz}
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\opt{gigabeats,ipodvideo}
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{48~kHz, 44.1~kHz, 32~kHz, 24~kHz, 22.05~kHz, 16~kHz, 12~kHz, %
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11.025~kHz and 8~kHz}
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\opt{sansaAMS,ipodnano2g,fuzeplus}
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{96~kHz, 88.2~kHz, 64~kHz, 48~kHz, 44.1~kHz, 32~kHz, 24~kHz, %
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22.05~kHz, 16~kHz, 12~kHz, 11.025~kHz and 8~kHz}
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are available. Higher sample rates use up more disk space, but give better
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sound quality.
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\note{The 11.025~kHz setting is not available when using %
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\setting{MPEG Layer~3} format.}
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\opt{recording_digital}
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{\note{You cannot change the sample rate for digital recordings.}
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}
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} % nopt ipodnano,ipodcolor,ipod4g
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\opt{sansa}{
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\nopt{sansaAMS,c200,e200,fuzeplus}
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Recordings can only be made at a 22.05~kHz frequency (sample rate)
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on this \dap.
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} % prepared for all sansas not handled above, e.g. sansaview
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\opt{ipodnano,ipodcolor,ipod4g}{
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Recordings can only be made at a 44.1~kHz frequency (sample rate)
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on this \dap.
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} % opt ipodnano1g
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\section{Source}
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Choose the source of the recording. The options are:
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\opt{recording_digital}{\setting{Digital} (SPDIF), }%
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\opt{recording_mic}{\setting{Microphone}}%
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\opt{recording}{%
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\nopt{radio}{\opt{recording_linein}{ and \setting{Line~In}.}}%
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\opt{radio}{%
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\opt{recording_linein}{%
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\opt{recording_mic}{, }%
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\setting{Line~In} and %
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}%
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\nopt{recording_linein}{%
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\opt{recording_mic}{ and }%
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}%
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\setting{FM~Radio}. For more information on recording from the
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radio see \reference{ref:FMradio}.%
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}
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}
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\section{Channels}
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This allows you to select mono or stereo recording. Please note that
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for mono recording, only the left channel is recorded. Mono recordings
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are usually somewhat smaller than stereo.
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\section{Mono Mode}
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When configured to record to mono and the source is a stereo signal, use this
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setting to configure how the mono signal is created. Options are L, R and L+R.
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\section{File Split Options}
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This sub menu contains options for file splitting, which can be used to split
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up long recordings into manageable pieces. The splits are seamless (frame
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accurate), no audio is lost at the split point. The break between recordings
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is only the time required to stop and restart the recording, on the order of
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2 -- 4 seconds.
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\begin{description}
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\item[Split Measure.]
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This option controls whether to split the recording when the
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\setting{Split Filesize} is reached or when the
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\setting{Split Time} has elapsed.
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\item[What to do when Splitting.]
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This controls what will happen when the splitting condition is
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fulfilled the two available options here are
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\setting{Start a new file} or \setting{Stop recording}.
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\item[Split Time.]
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Set the time to record between each split, if time is used as
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\setting{Split Measure}.\\
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Options (hours:minutes between splits): Off, 00:05, 00:10, 00:15, 00:30,
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1:00, 1:14 (74 minute CD), 1:20 (80 minute CD), 2:00, 4:00, 8:00, 10:00,
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12:00, 18:00, 24:00.
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\item[Split Filesize.]
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Set the filesize to record between each split, if filesize is used as
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\setting{Split Measure}.
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\end{description}
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\section{Prerecord Time}
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This setting buffers a small amount of audio so that when the record button
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is pressed, the recording will begin from that number of seconds earlier.
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This is useful for ensuring that a recording begins before a cue that is
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being waited for.
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\section{Clear Recording Directory}
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Resets the location where the recorded files are saved to the root of your
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\daps{} drive.
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\section{Clipping Light}
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Causes the backlight to flash on when clipping has been detected.\\
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Options: \setting{Off}, \setting{Main unit only},
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\setting{Main and remote unit}, \setting{Remote unit only}.
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\section{Trigger}
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When you record a source you often are only interested in the sound and not
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the silence in between. The recording trigger provides you with a
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tool to automatically distinguish between sound and silence and record the
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sound only. Unfortunately it is not very easy to make this distinction between
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silence and sound because you hardly ever encounter real silence. There always
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are background noises. What is considered as background noise depends on the
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situation. For example during a lecture the very low noise of rustling paper
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might be considered as background noise. During a rock concert the murmur of
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the audience might be considered background noise which is much louder compared
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to rustling paper. Also the duration of the signal matters. When you record
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speech you want to record every syllable. When you record live music you may
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not be interested in that chord the guitarist plays for two minutes before
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the show to verify his amp is turned on. The trigger features numerous
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parameters to adapt its behaviour to the desired situation.
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\begin{description}
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\item[Trigger.]
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This parameter specifies the trigger mode. When set to \setting{Off}
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the recording must be started manually and apart from the Prerecord time no
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other parameter has any effect. \setting{Once} will have the trigger start
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one recording only; after the recording has finished the input signal will
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not start another recording. \setting{Repeat} will have the trigger start
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multiple recordings.
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\item[Trigtype.]
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\fixme{Add description of Trigtype}
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Options: \setting{Stop}, \setting{Pause}, \setting{New File}.
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\item[Prerecord Time.]
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This specifies the time that is included into the recording before the
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trigger event occurs. This is very useful if you record a signal that
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fades in. Usually you want to set the prerecord time greater than or
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equal to the start duration. That ensures that you record the entire
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sound. Strictly speaking the prerecord time is not a special parameter
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of the trigger. It is available during normal recordings too.
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\item[Start Above.]
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The start threshold defines the minimal volume a sound must have to start the
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recording. It is displayed numerically in the line ``Start Above''. Note that
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the unit of the threshold depends on the settings of the peak meter. (i.e.
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When the peak meter displays dB you can adjust the level in dB and when the
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peak meter is set to linear the threshold is displayed as percentage.) In the
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peak meter at the bottom of the screen the start threshold is displayed
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graphically by a little triangle pointing to the right. There are two special
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values. The value \setting{Off} turns the start condition off. With this
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setting you have to start the recording manually and the trigger only stops
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the recording according to the stop condition. The setting \setting{-inf}
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sets the trigger to the absolute minimum. This setting only makes sense when
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you record via a digital input as even the noise of the device itself would
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exceed this threshold immediately.
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\item[for at least.]
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The start duration defines the minimal duration that a signal must exceed the
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start threshold to start the recording. Depending on your situation you may
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want to set this setting to 0 (e.g. when copying a song from a commercial
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medium) or to quite big values. Because sound is not continuous by nature
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(think of percussion) negligible dropouts are tolerated during this start
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duration.
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\item[Stop Below.]
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When the sound level drops below the stop threshold the recording is stopped.
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It is displayed numerically in the line ``Stop Below''. Just like the start
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threshold the unit of the stop threshold depends on the settings of the peak
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meter. There's also a small triangular marker in the peak meter at the bottom
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of the screen. In contrast to the start threshold marker it points to the
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left. The value \setting{Off} turns the stop condition off. With this setting you
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have to stop the recording manually.
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\item[for at least.]
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This time specifies the duration the signal must drop below the stop
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threshold to stop the recording. By selecting high values you can ensure
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that, for example, trailing fade-outs are recorded entirely.
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\item[Presplit Gap.]
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When the signal drops below the stop threshold for the time specified by the
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presplit gap a new recording may be started when the signal raises above the
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start threshold. Thus the value of the presplit gap should be smaller than
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the stop hold time. Otherwise the recording would stop anyway and the
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presplit gap has no effect. For most uses I recommend to set this parameter
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equal to the stop hold time. Sometimes you may encounter a sound source (e.g.
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a CD) where the songs have fade outs and hardly any gaps between the tracks.
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Here you can set the stop hold time to long values to ensure that all fade
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outs are recorded completely. By specifying a short presplit gap you still
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can split the recording into separate tracks whenever the trigger start
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condition is met.
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\end{description}
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More information can be found at \wikilink{VolumeTriggeredRecording}.
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\opt{agc}{%
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\section{Automatic Gain Control}
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The \setting{Automatic Gain Control} has five different presets for
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automatically controlling the gain while recording.
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\begin{description}
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\item[Safety (clip).]
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This preset will lower the gain when the levels get too high (-1~dB)
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and will never increase gain.
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\item[Live (slow).]
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This preset is designed to be used for recording of live shows and has
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quite large headroom for loud parts. It heads for a nominal target peak
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level of -9~dB and will slowly increase or decrease gain to reach it.
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\item[DJ-Set (slow).]
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This preset heads for a nominal target peak level of -5~dB and will
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slowly increase or decrease gain to reach it.
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\item[Medium.]
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This preset heads for a nominal target peak level of -6~dB and will
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increase or decrease gain to reach it.
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\item[Voice (fast).]
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This preset is designed to be used for voice recording and heads for a
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nominal target peak level of -7~dB and will quickly increase or
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decrease gain to reach it.
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\end{description}
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\section{AGC clip time}
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This setting controls how long the level is too loud or soft before the
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\setting{Automatic Gain Control} kicks in.
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}%
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