nfo:Audio: Tracker Ontology Reference Manual

## nfo:Audio nfo:Audio |

## Description

A file containing audio content

This class emits notifications about changes, and can be tracked through the `GraphUpdated` DBus signal.

## Class hierarchy

        rdfs:Resource
        ╰── nie:InformationElement
            ╰── nfo:Media
                ╰── nfo:Audio
                    ├── nid3:ID3Audio
                    ├── nmm:Video
                    ╰── nmm:RadioStation

## Properties

### The `“nfo:audioOffset”` property

    “nfo:audioOffset”          xsd:double

Specifies the start offset of this resource within a larger file, such as a single song within a recording of a radio broadcast or a CD rip.

Number of possible elements per resource (Cardinality): 1

### The `“nfo:peakGain”` property

    “nfo:peakGain”          xsd:integer

Peak Gain of media

Number of possible elements per resource (Cardinality): 1

### The `“nfo:gain”` property

    “nfo:gain”          xsd:integer

Gain of media

Number of possible elements per resource (Cardinality): 1

### The `“nfo:rearChannels”` property

    “nfo:rearChannels”          xsd:integer

Number of rear channels.

Number of possible elements per resource (Cardinality): 1

This property supersedes the following properties from this or parent classes:

- `“nfo:channels”` from the `nfo:Audio` class

### The `“nfo:averageAudioBitrate”` property

    “nfo:averageAudioBitrate”          xsd:double

The average overall bitrate of a media container. (i.e. the size of the piece of media in bits, divided by it's duration expressed in seconds).

Number of possible elements per resource (Cardinality): 1

### The `“nfo:sampleRate”` property

    “nfo:sampleRate”          xsd:double

The amount of audio samples per second.

Number of possible elements per resource (Cardinality): 1

### The `“nfo:frontChannels”` property

    “nfo:frontChannels”          xsd:integer

Number of front channels.

Number of possible elements per resource (Cardinality): 1

This property supersedes the following properties from this or parent classes:

- `“nfo:channels”` from the `nfo:Audio` class

### The `“nfo:bitsPerSample”` property

    “nfo:bitsPerSample”          xsd:integer

Amount of bits in each audio sample.

Number of possible elements per resource (Cardinality): 1

This property supersedes the following properties from this or parent classes:

- `“nfo:bitDepth”` from the `nfo:Media` class

### The `“nfo:sampleCount”` property

    “nfo:sampleCount”          xsd:integer

The amount of samples in an audio clip.

Number of possible elements per resource (Cardinality): 1

This property supersedes the following properties from this or parent classes:

- `“nfo:count”` from the `nfo:Media` class

### The `“nfo:lfeChannels”` property

    “nfo:lfeChannels”          xsd:integer

Number of Low Frequency Expansion (subwoofer) channels.

Number of possible elements per resource (Cardinality): 1

This property supersedes the following properties from this or parent classes:

- `“nfo:channels”` from the `nfo:Audio` class

### The `“nfo:sideChannels”` property

    “nfo:sideChannels”          xsd:integer

Number of side channels

Number of possible elements per resource (Cardinality): 1

This property supersedes the following properties from this or parent classes:

- `“nfo:channels”` from the `nfo:Audio` class

### The `“nfo:channels”` property

    “nfo:channels”          xsd:integer

Number of channels. This property is to be used directly if no detailed information is necessary. Otherwise use more detailed subproperties.

Number of possible elements per resource (Cardinality): 1

## See also

The upstream documentation for the NFO ontology.