Class Name: Sound

Superclass - SEDRIS Abstract Base

Definition

Digital representation of an acoustic phenomenon.

Primary Page in DRM Diagram:

• 21

Secondary Pages in DRM Diagram:

• 3
• 10

Example

The digital sound file containing the sound of a fog horn.

FAQs

How do I use a Sound in my transmittal?

See Sound Instance.

How is the Classification Data component used?

The optional Classification Data is used to identify the type of sound when the Sound within a Sound Library

Constraints

• Valid ID Field

Associated by (one-way)

• optionally, some Sound Instances

Composed of (one-way)

• optionally, a Classification Data

Composed of (one-way metadata)

• optionally, an Access
• optionally, a Citation
• optionally, some Cross References
• optionally, a Description
• optionally, a Keywords
• optionally, a Point of Contact
• optionally, some Process
• optionally, some Sources

Component of (two-way)

• one Sound Library

Field Elements

Notes

Fields Notes

ID

 ID required to be unique from all other Sound object IDs.

name

 A meaningful short name.  A full description would be in a
 <Description> component.

file_name

 Includes name extension, if required.

file_path

 Full pathname to directory of file

duration

 Length of sound clip in seconds.

sampling_rate

 Number of samples per second.  For example, a standard CD has a
 sampling of 44.1 kHz - this would be a sampling rate of 44100.

bits_per_sample

 also called Sample size or Quantization. e.g., a standard CD has 16 bits
 per sample

channel_count

 1 = mono, 2 = stereo (CDs can be recorded with 4 channels)

method

 Identify the encoding scheme and compression scheme used, if any