ISO/IEC TS 20071-21:2015 情報技術—ユーザーインターフェイスコンポーネントのアクセシビリティ—パート21：音声ガイドに関するガイダンス | ページ 5

2.1.1

audiovisual content

<audio description> visual and/or auditory element of recorded video presentations, live performances, or static or dynamic events to which audio description applies

Note 1 to entry: This generic term is used where only the visual modality might apply, for example, in art gallery or museum exhibits.

Note 2 to entry: The range of circumstances to which this term applies includes recorded video presentations, broadcast and broadband television, cinema, live or recorded drama, museum and art gallery exhibits, heritage tours, news, and comedies.

2.1.2

video (recorded)

<audio description> combination of auditory and visual content intended to be presented together in a synchronized manner

2.1.3

programme

<audio description> complete unit of a recorded or live video broadcast

2.1.4

programme category

<audio description> classification of programmes

Note 1 to entry: Some programme categories include documentary, news and information, and drama.

Note 2 to entry: Programme categories are not necessarily mutually exclusive.

2.1.5

genre

<audio description> classification of a film, programme, drama or an event from an artistic perspective

Note 1 to entry: Genres include, but are not limited to, history, action, horror, romance, and comedy.

Note 2 to entry: Programme genres are not necessarily mutually exclusive.

2.1.6

creative

<audio description> creation and addition of new original content to existing content

2.1.7

harmony

<audio description> natural fit between the audio description script and its delivery and the original content

2.2.1

audio track

auditory components of a video other than audio description components

2.2.2

audio description

descriptive audio

Note 1 to entry: Audiovisual content is described in an auditory modality.

Note 2 to entry: Audio description can be used to describe sound not easily identified or sound coming from an unknown source or location.

Note 3 to entry: Audio description can also be used to describe locations, directions, and objects.

2.2.3

basic audio description

audio description provided along with the original audiovisual content without lengthening the time of presentation.

2.2.4

extended audio description

audio description provided with the original audiovisual content that lengthens the total time of the presentation or event

2.2.5

audio introduction

complementary auditory content included before the original audiovisual content begins

2.3.1

original language

native language in which audiovisual content is produced

2.3.2

re-voicing

dubbing

voice-over

secondary audio version of a film or video produced by voice talent, translators, and dialogue writers in a language other than the original language of the film or video

Note 1 to entry: When dubbing, this is timed to match the voicing or mouth movements of animated characters or the original actors.

2.3.3

subtitles

transcription or translation of the dialogue, suitable for when the sound is available but not understood

Note 1 to entry: Specific guidance on delivering subtitles, on-screen text, and embedded text will be provided in a forthcoming addition to ISO/IEC 20071.

2.3.4

spoken subtitles

audio subtitles

spoken captions

subtitles on audiovisual content that are read aloud and spoken over the audio in subtitled audiovisual content

2.3.5

spoken subtitles with audio description

audiovisual content which is both subtitled and audio described through the narrator reading the translation after stating that a subtitle appears

Note 1 to entry: Subtitles can also be identified through alternative voicing, synthetic speech, or sound indicator.

Note 2 to entry: Spoken subtitles often use a different voice to the voice of the audio describer to avoid confusion between the dialogue and the description.

Note 3 to entry: Spoken subtitles and audio description can be available to users separately or together.

Note 4 to entry: Spoken subtitles are synchronized with the text on screen.

2.4.1

live production

production process that involves creating audio description in real time along with the creation and delivery of the original audiovisual content

Note 1 to entry: Live productions are typically experienced initially in real time, but can also be recorded for later redistribution.

2.4.2

post script/pre-production audio description

audio description considered after the script has been developed, but before the event takes place

Note 1 to entry: An example of this is the text of a play.

Note 2 to entry: This allows the script to be modified to include redundancies in audio and visual content (e.g. “Pass it to me” could be modified to “Pass my coffee, Jane”).

2.4.3

pre-mixed production

content including audio description that is created and recorded prior to transmission

2.4.4

co-produced

<audio description> produced at the same time as the rest of the audiovisual content

2.4.5

post-produced

<audio description> produced after the audiovisual content

2.4.6

audio describing

delivering a script designed to meet the needs of persons wishing to have access to audiovisual content

2.4.7

voice narrator

narrator

describer

audio describer

<audio description> person(s) and/or technology by which audio description is voiced

Note 1 to entry: A human voice narrator can also be referred to as a narrator, describer, or an audio describer. For the purpose of this part of ISO/IEC 20071, these terms are synonymous and referred to as voice talent.

2.4.8

machine narrator

<audio description> technology which delivers text-based audio description

Note 1 to entry: To date, machine-based narration has not been as acceptable to persons who are blind or persons with low vision as voiced audio description.

2.4.9

writer

<audio description> person(s) who writes the audio description script