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206 Chapter 6 Logic’s Mixing Facilities
• Offline: Accelerates the bounce process—depending on the complexity of your
arrangement and available CPU processing power. It also allows the bouncing of
complex arrangements that would normally exceed the power of your CPU, if trying
to play them in real time. Offline bouncing, however, is limited to internal sources
(audio or Audio Instrument tracks). The MIDI tracks and Input Objects of Logic’s Mixer
are deactivated during offline bouncing.
Please note that the Offline Bounce mode is only available to the Output Objects of
mixers that belong to native audio driver systems. DSP-based audio hardware can not
make use of offline bouncing due to the nature of its stream-oriented technology.
Other software applications that are fed into your Logic Mixer via ReWire technology
are available for offline bounce processes.
PCM Options in the Bounce Dialog Window
File Format
You can select between a PCM file (in SDII, AIFF, or Wave format) or MP3, AAC, and burn
to an Audio CD in one go.
PCM, MP3, and AAC files can be individually bounced and added to the iTunes library.
PCM files in SDII, AIFF, or Wave format can be added to the Audio window.
Resolution
This is where you define the resolution of the bounced file. The options are 16 Bit, 8 Bit
(for multimedia productions) or 24 Bit (for mastering to DVD).
Sample Rate
This pull-down menu allows you to define the desired sample rate for your bounced
audio file(s). Options range from 11,025 to 96,000 Hz, and include the three most
commonly used sample rates: 44,100 (CD-DA), 48,000 (DAT) and 96,000 (DVD).
Stereo File Type
You can select between split stereo (for use in ProTools), or interleaved stereo (for
further use in Logic or for CD writing software) here.
Setting Stereo File Type to Split Stereo disables Burn (following a warning message).
Dithering
Dithering (see “Bouncing and POW-r Dithering” on page 70) is recommended when
bouncing 24 bit recordings into 16 bit files.
“Add to” Options
The Add to Audio window option adds the bounced PCM file(s) to the Audio window
The Add to iTunes library option adds the bounced PCM file to the iTunes library. Note
that iTunes does not support SDII. Should the file be in SDII format, this switch will be
disabled.