Specifications

Chapter 16: DigiBase 307
Waveforms
The Waveform column displays waveforms for
audio files. Waveform display depends on the fol-
lowing:
• Waveforms are displayed if they have already
been calculated and stored, either with the file
metadata or in the global Waveform cache.
• When a file is imported into a session, a wave-
form is automatically calculated for it.
• Waveforms are gray if they have not been stored
with the file metadata or in the global Waveform
cache.
The waveform overview is stored in the file, or in
the Pro Tools Databases folder on your system
drive. For more information, see “WaveCache” on
page 307.
Summed Waveforms for Multichannel Files
Waveform displays for stereo and multichannel
files are summed.
Calculating Waveforms for
Display
If an audio file item does not have a waveform, the
waveform must be calculated to be visible in a Di-
giBase browser Waveform display.
To calculate waveforms in a DigiBase browser:
1 Select online audio files, or folders containing
audio files, in a DigiBase browser.
2 Choose Calculate Waveform from the Browser
menu.
WaveCache
A global WaveCache file stores waveforms that
cannot be written back to the sound file, such as
read-only files, files on network and other read-
only volumes, and interleaved files. WaveCache
files are stored in the Pro Tools Databases folder
on your system drive.
Elastic Audio Analysis
You can both calculate and clear Elastic Audio
analysis for selected audio files in DigiBase
browsers. Only AIFF and WAV files are supported
for Elastic Audio analysis and processing. Any
other file format (such as MP3) must be converted
to AIFF or WAV for Elastic Audio analysis and
processing.
To calculate Elastic Audio analysis:
1 In a DigiBase browser, select the files you want
to analyze.
2 Do one of the following:
• From the Browser menu, choose
Calculate Elas-
tic Analysis
.
• Right-click one of the selected files and choose
Calculate Elastic Analysis from the pop-up
menu.
• Preview the file with the
Audio Files
Conform to Session Tempo
option enabled.
Waveform displays in a DigiBase browser
Even though the MP3 file formats are not di-
rectly supported by Elastic Audio, you can
import them into a WAV- or AIFF-based ses-
sion and then use the converted files on Elas-
tic Audio-enabled tracks. File formats that do
not match the session are converted automat-
ically on import.
For more information on Elastic Audio, see
Chapter 40, “Elastic Audio.”