Term

anchor frame

Posted on April 1, 2015 in

A video frame that is used for prediction. I-frames and P-frames are generally used as anchor frames, but B-frames are never anchor frames.

Read Article »

---

anchor element

Posted on April 1, 2015 in

The perceptual loudness reference point or element around which other elements are balanced in producing the final mix of the content, or that a reasonable viewer would focus on when setting the volume control.

Read Article »

---

aligned

Posted on April 1, 2015 in

A bit in a coded bit stream is byte-aligned if its position is a multiple of 8-bits from the first bit in the stream.

Read Article »

---

active object content

Posted on April 1, 2015 in

A category of content types which includes both application/java and application/javatv-xlet content types.

Read Article »

---

activation time

Posted on April 1, 2015 in

The System Time Clock instant at which the target of a trigger is activated.

Read Article »

---

activation

Posted on April 1, 2015 in

The process of enabling the target referenced by a trigger which may cause rendering. For a trigger referring to graphic data, activation might cause the rendering of a graphical object on the screen. For a trigger referring to audio data, activation might cause the emission of the appropriate sounds.

Read Article »

---

action

Posted on April 1, 2015 in

A trigger semantic that implies some behavior on the receiver without any associated data item.

Read Article »

---

access unit

Posted on April 1, 2015 in

A coded representation of a presentation unit. In the case of audio, an access unit is the coded representation of an audio frame. In the case of video, an access unit includes all the coded data for a picture, and any stuffing that follows it, up to but not including the start of the next […]

Read Article »

---

ACAP terminal specification

Posted on April 1, 2015 in

An ACAP terminal specification is a specification that includes all normative and selected optional elements of its underlying ACAP specification, and provides additional specifications as required

Read Article »

---

ACAP terminal

Posted on April 1, 2015 in

A terminal or other device that conforms to an ACAP Terminal Specification.

Read Article »

---