Capitalised Terms have the meaning defined in Table 1. All MPAI-defined Terms are accessible online.
Lower-case terms letter have the meaning commonly defined for the context in which they are used. For instance, Table 1 defines Object and Scene but does not define object and scene.
Table 1 – Terms and Definitions
| Terms | Definitions |
| Basic Audio Object | 1. Data perceptible by an audio device or a human when rendered.
2. Optionally Audio Qualifier. |
| Audio Object | Collection of Basic Audio Objects. |
| Audio Qualifier | A Data Type including Sub-Types, Format (e.g., compression and transport), and Attributes (e.g., semantic information) of an Audio Data Type instance. |
| sound field | The spatial and temporal distribution of sound pressure in a defined region of space and period of time (physical). |
| Audio Scene | The digital representation of a sound field for a defined region of Space and interval of Time. |
| Transport | The function of moving an Audio Objects from an encoder to a decoder. |
