Apple Logic Pro 9 User Manual

Page 1311

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Beat Mapping track Global track used to analyze audio or MIDI regions, and create tempo
events based on note or transient events in these regions. This allows you to more easily
synchronize existing free recordings (those made without a metronome click) in other
projects.

beats per minute See bpm.

Bezier curve A curve created from a line that contains two points. These points affect
the line, allowing it to be pulled into a curve. In a computer application, Bezier curves are
created by moving handles at these two points, thus adjusting the curve shape. Named
after Pierre Bezier, who discovered the mathematical formula for these curves. In Logic Pro,
Bezier curves are used to adjust automation curves, for example.

binaural hearing A description of the way human beings process audio positioning
information, allowing the direction of a signal source to be recognized (in front, behind,
above, below, and to the left or right of the listening position).

binaural panning A process that emulates binaural hearing.

bit depth The number of bits used by a digital recording or digital device. The number
of bits in each sample determines the (theoretical) maximum dynamic range of the audio
data, regardless of sample rate.

bit rate Bit rate, when talking about MP3 files, refers to the transfer bit rate at which the
files are encoded. Conversationally, the term is more often used to describe the relative
quality of the file, with lower bit rates resulting in less defined audio.

bit resolution Alternative term for bit depth. See bit depth and sample rate entries.

blue noise Highpass-filtered white noise, which sounds like tape hiss.

boosting The act of raising an audio level (see cutting).

bounce To process MIDI or audio regions with any applied effects, such as delay or
compression, and combining them into one audio file. In Logic Pro, you can choose
between real-time and offline bouncing. Offline bouncing is faster, but doesn’t allow you
to apply live automation or record real-time audio input. You may also bounce to several
files when performing a Surround bounce. See surround.

Bounce button You can bounce the output of any output channel to an audio file by
clicking the Bounce button. Also see bounce.

bpm Abbreviation for beats per minute, a measure of the tempo of musical piece. As an
example: 120 bpm means that in one minute, there will be 120 musical beats (quarter
notes).

Broadcast Wave See Wav, Wave.

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Glossary

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