Tracktion 3
0
Tracktion, and as such, will be recorded when record mode is active. If record mode is inac-
tive, the signal arriving at an armed input will simply pass through Tracktion. This is useful
in that it allows you to use Tracktion as a real-time effects processor, or to try out ideas
without committing them to a recording.
For our purposes here, ensure that your input is armed, and check the meter to verify
that the input is receiving a signal. If it is not, verify that you have selected the correct in-
put, and that your cables are connected to your audio/MIDI interface.
Recording from an audio input
When you are recording an audio input, you will typically want to spend a few moments
adjusting the recording levels to obtain a low noise floor, while not introducing digital clip-
ping into your recordings.
Select the input device by clicking on its surface. The device will become highlighted to
signify that it is selected, and the properties panel will update to show related information
and settings (Fig. 7-4).
Figure 7-4
The first thing you will most likely see is the large input meter. You can use this to set
your recording levels. In addition to the meter, you will see a number of other options that
can be adjusted. The default settings for these options are normally fine, so we’ll only look
at two of them here. The others are described in the Reference Manual.
The treat as stereo channel pair button controls whether the input should be treated as a
stereo input, or as an individual mono input. If you want to record in stereo, toggle this op-
tion on, otherwise toggle it off.
The input gain control sets how much the audio is amplified before being written to your
hard-drive. Ideally this value should be set to zero, so that the input meter shows the actual
incoming signal level. Gain make-up/reduction should be applied at the source (e.g., the ex-
ternal mixer’s mic preamp gain control or external audio interface) wherever possible. This
helps to avoid both raising the noise level, and clipping the inputs.
Tip: With modern 24 bit input devices, setting the input levels such that peaks in the signal
register around –5 dB on the input meter gives a good trade off between audio quality, and
headroom. Remember, don’t let your input signal reach 0 dB or it may ruin a perfect take.
(28 Seiten)
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