Technical Metadata

Section: Frame

Name

frame

Schema

rulib

Definition

Information about the video frame.

frame has the following components:

• Subelements:
  • frameHeight
  • frameWidth
  • frameAspectRatio
  • frameRate
  • frameStructure

Controlled Vocabulary

n/a

Repeatable

N

Name

frameHeight

Label

Frame - Height

Schema

rulib

Definition

The height, in pixels, of the video frame

Usage Note

should be a positive integer in pixels

Controlled Vocabulary

Free text (numeric value)

Repeatable

N

Name

frameWidth

Label

Frame - Width

Schema

rulib

Definition

The width, in pixels, of the video frame

Usage Note

should be a positive integer in pixels

Controlled Vocabulary

Free text (numeric value)

Repeatable

N

Name

frameRate

Label

Frame - Rate

Schema

rulib

Definition

The number of frames per second at which the video source was captured.

Usage Note

Can be any real numeric value

Example(s)

Typical NTSC video has a frame rate of 29.97 frames per second (often estimated at 30 fps). Most feature films have a frame rate of 24 frames per second. Digital Video (DV formats) can be shot at either rate.

Controlled Vocabulary

Free text (numeric value)

Repeatable

N

Name

frameAspectRatio

Label

Frame - Aspect Ratio

Schema

rulib

Definition

The desired aspect ratio for the image on screen.

Usage Note

Some video objects produced for display on non-square pixel monitors (i.e. analog TV sets) have a desired aspect ratio that differs from the actual ratio of horizontal to vertical pixels.

Controlled Vocabulary

4:3; 4:3 (16:9 letterbox); 4:3 (16:9 anamorphic); 16:9; 5:5.3; 7:3 (Panavision or Cinemascope); 2.35:1; 1.85:1

Example(s)

Typical NTSC video has an aspect ratio of 4:3. Most HD video (i.e. 1080i, 1080p) has an aspect ratio of 16:9.

Repeatable

N

Name

frameStructure

Label

Frame - Structure

Schema

rulib (METS has dtv_scan)

Definition

The temporal scanning structure of the video object.

Controlled Vocabulary

interlaced; progressive

Example(s)

Typical analog NSTC video is interlaced. HD and digital formats can be either interlaced or progressive, often indicated by the notation of the video resolution (480i is interlaced, 720p is progressive).

Repeatable

N