Question 1

Manual Tempo Mode

Accepted Answer

Show MIDI Control and Expanded Transport views, Manual Tempo mode allows only one tempo throughout the session. Tempo ruler must be inactive, at times referred as the Conductor Icon.

Question 2

Manual Tempo Mode

Accepted Answer

Allows you to change tempo by: 
Typing values in the tempo display. (Drag mouse up or down on
BPM tempo display.
Tap Tempo - click in Tempo field, then Tap “T” key, or Tap on MIDI keyboard (Preference)

Question 3

Tempo Map Mode

Accepted Answer

Can use multiple tempos (tempo map). 
• Conductor = Tempo Ruler Enable. 
   -No Manual Tempo controls; still displays tempo at cursor.
 Inserting tempos: 
• Control-click Tempo ruler, or Click the “+” button next to “Tempo” in the ruler view

Question 4

Tempo Map Mode: Tempo Operations

Accepted Answer

Event > Tempo Operations
• Allows gradual changes in tempo over time
• Constant, Linear, Parabolic, S‐Curve, Scale, and Stretch
• Insert and Cut Time

Question 5

Tempo Tap Mode: Tempo Editor

Accepted Answer

o Tools and Modes apply
o Cut, Copy and Paste
o Can Choose Tempo Marker Density

Question 6

Tempo Tap Mode: Meter

Accepted Answer

o A.k.a. Time Signature
o Double-click Meter icon, or
o Control-click in Meter ruler
o Click the “+” button next to “Meter” in the Time base view

Question 7

Tempo Tap Mode: Meter

Accepted Answer

Meter map is not affected by Conductor on/off
o Can use multiple meters
 No complex meters
 No compound click
o Change Meter: Event > Time Operations >Change Meter
• Allows for selection-based meter changes

Question 8

Identify Beat

Accepted Answer

Establishes a tempo/meter map for audio whose tempo is not known
 Find the tempo of audio recorded
without click
 Find the tempo of imported audio
 Enable grid-based editing.

Question 9

Identify Beat: Procedure 1

Accepted Answer

 Highlight Conductor icon
 Select audio phrase by ear
  • Ignore initial Grid lines and Grid Mode
  • Make sure selection accurately represents the length in bars and beats.
o Possibly loop the
selection to double check timing.

Question 10

Identify Beat: Procedure 2

Accepted Answer

 Event > Identify Beat
   • CMD + I
 Specify musical length in dialog
   • Type in Start and End Locations
 Inserts Bar|Beat Markers at ends of selection
   • Pro Tools calculates tempo changes from the phrase.

Question 11

Audio is recorded and played back with what sample rate accuracy?

Accepted Answer

At 48 kHz, that’s a resolution of .02 ms. Timing resolution depends on sample rate.

Question 12

MIDI is recorded and played back with what tick accuracy?

Accepted Answer

At 960,000 ppqn and a tempo of 120 BPM, that’s a resolution of .0005 ms. Timing resolution depends on tempo

Question 13

Understanding Track Timebases: Tick-based

Accepted Answer

 Data is locked to a specific Bar|Beat|Tick location
 Always follows session tempo
 When the tempo changes, data moves to a different sample location
 Default mode for MIDI

Question 14

Understanding Track Timebases: Sample-based

Accepted Answer

 All data is locked to a specific sample location
 Unaffected by session tempo
 Default mode for audio
 Sample-based vs. Tick-based Operation

Question 15

Tick-based Audio

Accepted Answer

Region start times lock to Bar|Beat. Region duration does not change.

Question 16

Memory Locations Time Properties

Accepted Answer

Markers and Selections can use (Bar|Beat) or Sample-based reference

Question 17

TCE Trim Tool

Accepted Answer

TCE - (Time Compression Expansion):
    Adjusts speed/tempo without adjusting pitch.
o Can trim to match audio to current tempo/meter map
o Preference > Processing
    Create settings through AudioSuites

Question 18

Acid Files / Loops (.acd extension)

Accepted Answer

o Embedded tempo and key information.
o Software for creation:
    Soundforge
    Sony’s Acid Pro
    Acid Xpress
o Pro Tools does not recognize key information

Question 19

Rex Files / Loops 1

Accepted Answer

Audio Files embedded with rhythmic points:
  Sliced at zero crossings.
Native to Recycle from Propellerheads
  Extension named after Recycle EXport
  • .rex supports mono
  • .rx2 supports mono/stereo
Data Compressed format: no loss in quality

Question 20

Rex Files/ Loops 2

Accepted Answer

Preferences for Importing Acid / Rex:
 Preferences > Processing
 • Import REX Files as Region Groups
Automatically Create Fades
  • Drag and Drop from Desktop Conforms to Session
Tempo:
o No Files
o REX and ACID Files
o All Files

Question 21

Elastic Audio Basics

Accepted Answer

Provides track-based Real-Time and Rendered Time Compression and Expansion (TCE).

Question 22

Enabling Elastic Audio

Accepted Answer

o On Track
    Real Time or 
    Rendered processing: Creates Rendered Files Folder

Question 23

Elastic Audio Basics: Plug-ins

Accepted Answer

Types:
 Polyphonic
 Rhythmic
 Monophonic
 Varispeed
 X-Form
Preferences
 Default Plug-in
 Enable Elastic on New Audio Tracks

Question 24

DigiBase Browsers

Accepted Answer

o Audio Files Conform to Session Tempo Button
o Preferences
    Drag and drop prefs
o Analysis
o Adjusting Event Sensitivity
    Region > Elastic Properties

Question 25

Elastic Track Views: Analysis vs. Warp

Accepted Answer

• Analysis View:
   o Lets you edit detected Event Markers.
• Warp View:
   o Manually “warp” audio to adjust the timing of audio events.

Question 26

Elastic Audio Markers: Event Markers

Accepted Answer

 Analysis View
 Indicates detected audio events.
 Use Pencil Tool to create and move
  • OPT to delete
 Grabber
  • Move
  • CNTRL to create.
  • OPT to delete
 Always Tabs, regardless of whether Tab to transient is off.

Question 27

Elastic Audio Markers: Warp

Accepted Answer

 Anchor audio to specific points in timeline
 Stretch or compress areas of audio relative to those fixed points.
 To Create:
  • Click with Pencil Tool OR,
  • CNTRL click with Grabber Tool

Question 28

Elastic Audio Markers: Tempo Event-Generated

Accepted Answer

 Are not editable in track, only in Tempo Editor
 Indicates only where tempo adjustments have been applied.
 If change track time-base from ticks to samples, these markers will convert to regular, editable Warp markers.

DAW Lecture 4

Pro Tools 9: Time Based Editing (Lecture 4)

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