User Manual

Chapter 16: DigiBase 299
Conforming Preview to the
Session Tempo
Pro Tools lets you preview Elastic Audio ana-
lyzed files at the session tempo. The selected de-
fault Elastic Audio plug-in is used for previewing
Elastic Audio analyzed audio files at the session
tempo. Additionally, other tick-based files, such
as REX and ACID files, can also be previewed at
the session tempo and in time with playback.
To preview files at the session tempo:
1 In the session, place the insertion point at the
location where you want to preview the file in
DigiBase.
2 In a DigiBase browser, select the file you want
to preview.
3 Do one of the following:
• Click the Audio Files Conform to Session
Tempo button. It highlights when enabled.
• From the Browser menu, select Audio Files
Conform to Session Tempo.
• Right-click the file you want to preview and
select Audio Files Conform to Session Tempo
from the pop-up menu.
4 Click the Preview button in the browser and
the file plays at the session tempo.
Preview in Context
Pro Tools lets you preview audio files in Di-
giBase browsers while playing back a Pro Tools
session. Tick-based audio files (those with
tempo detected Elastic Audio analysis, as well as
REX and ACID files) can play back in tempo,
and at the corresponding bar and beat location,
with session playback. Tick-based audio files au-
dition at the session tempo when the Audio Files
Conform to Session Tempo option is enabled.
Reserve Voices for Preview in Context
(Pro Tools HD Only)
Preview in context (previewing audio files in Di-
giBase during session playback) uses disk voices
for playback. The number of voices required de-
pends on the channel width of the selected Au-
dition Paths on the Output page of the I/O Setup
window. For example, if a stereo audition path
selected in the I/O Setup requires 2 voices for
preview in context, whereas a 5.1 audition path
requires 6 voices. If one or more voices are not
available for preview in context because they are
in use by disk tracks (or routing for RTAS pro-
cessing), the Preview button in DigiBase brows-
ers will be unavailable during session playback.
Pro Tools provides an option to reserve voices
for preview in context. The number of reserved
voices is determined by the channel width of
the selected Audition Paths in the I/O Setup.
Voices reserved for preview in context are un-
available for disk tracks.
Deselect the Spacebar Toggles File Preview
option in the Browser menu to be able to
start and stop session playback with the
spacebar without starting and stopping au-
ditioning in the browser. Use Command+P
(Mac) or Control+P (Windows) to start and
stop preview in the front-most browser dur-
ing session playback.
The DAE Playback Buffer setting in the
Playback Engine dialog affects the amount
of time it takes before preview starts. Pre-
view takes longer to start with higher set-
tings (which are necessary for sessions with
a lot of tracks and edits). Use lower settings
for more responsive preview start times. For
more information, see “DAE Playback Buf-
fer Size” on page 67