Tempo Tempo is the rhythmic rate of a musical composition, usually specified in beats per
minute (BPM).
Threshold A threshold determines the level at which the signal processor begins acting on the
signal. During normalization, levels above this threshold are attenuated (cut).
Time Format The format by which the time ruler and selection times are displayed. These can include:
time, seconds, frames, and all standard SMPTE frame rates.
Track A discrete timeline for audio data. Audio events sit on tracks and determine when a sound
starts and stops. Multiple audio tracks are played together to give you a composite sound
that you hear through your speakers.
Track List The track list contains the master controls for each track. From here you can adjust the
mix, select playback devices, and reorder tracks.
Track View The majority of the track view is made up of the space where you draw events on each
track.
µ-Law µ-Law (mu-Law) is a companded compression algorithm for voice signals defined by the
Geneva Recommendations (G.711). The G.711 recommendation defines µ-Law as a
method of encoding 16-bit PCM signals into a non-linear 8-bit format. The algorithm is
commonly used in European and Asian telecommunications. µ-Law is very similar to A-
Law, however, each uses a slightly different coder and decoder.
Undo/Redo These commands allow you to change a project back to a previous state or reapply
changes after you have undone them.
Virtual MIDI Router
(VMR)
A software-only router for MIDI data between programs. The VMR is used to receive MIDI
timecode and send MIDI clock. No MIDI hardware or cables are required for a VMR, so
routing can only be performed between programs running on the same PC.
VST Instrument (VSTi) A Virtual Studio Technology instrument (VSTi®) is software synthesizer plug-in technology
for outputting MIDI developed by Steinberg Media Technologies AG.
WAV A digital audio file format developed by Microsoft and IBM®. One minute of
uncompressed audio requires 10 MB of storage.
Waveform A waveform is the visual representation of wave-like phenomena, such as sound or light.
For example, when the amplitude of sound pressure is graphed over time, pressure
variations usually form a smooth waveform.
Waveform Display Each event shows a graph of the sound data waveform. The vertical axis corresponds to
the amplitude of the wave. For 16-bit sounds, the amplitude range is -32,768 to +32,767.
For 8-bit sounds, the range is -128 to +127. The horizontal axis corresponds to time, with
the leftmost point being the start of the waveform. In memory, the horizontal axis
corresponds to the number of samples from the start of the sound file.
Windows Media® Format A Microsoft® file format that can handle audio and video presentations and other data
such as scripts, URL flips, images and HTML tags. Advanced Streaming Format files can be
saved with .asf, .wma, or .wmv extensions.
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