Pro Tools Day 1 Flashcards
Nyquist Theroem
In order to produce an accurate representation of a given frequency of sound, each cycle of the sound’s vibration must be sampled a minimum of two times.
What happens when you use a higher sample rate
You get more clarity
Pop Music recorded at what sample rate
What is genre of music is recorded at 44.1 or 48K
Cd Tech
Based @ 44,100
Pro Tools running at 48,000
Film is usually recorded at what sample rate
88.2 or 96K
1 audio signal is how many megs of hd space
5 Megs
Pr tools has how many audio tracks
256 audio tracks @ 44K
Pro tools tracks @ 88K
128 tracks
For every bit in digital audio how many db of loudness do you get
6db
Film post-production sessions are set up at
48K
What file types does Pro tools use
WMV and Aiff
o no quality difference between the 2.
o This is for files that are used within the session if you record or import. If importing it will convert to the file type.
o With video files most NLE programs use Aiff
What are some common sample rates that Pro tools uses
44.1, 48, 88.2, 96
o 16-bit least capable. Few people use.
o 24, 32-bit float are the most.
What is bit depth and what does Pro tools use
How to determine the accuracy of the sample rate
16-bit Consumer audio
24-bit Pro audio
32-bit float
What happens when your session is created
Pro-tools creates a file structure of your entire session on your hard drive.
o Save your session on a different drive from your hard drive.
o You can send the entire file to someone else.
o (Need to use save copy command)
What are the folders created in a new session
- Filename.ptx: The name of the Pro-Tools session
- Audio files: Your imported files
- Bounced Files: The final mixes that you are going to deliver.
- Clip groups: the ability to put together several files and have the operate as one.
- Session File Backups: Automatically created (does a save-as every 5 minutes0
- Video Files: Default location of video files.
- WaveCache.wfm: remembers the wave forms of every session. Do not touch.
