Avatar

1. Definitions

Avatar is a Visual Object composed of Avatar Model, Body Descriptors, and Face Descriptors. Its Format is identified by the FormatID.

Avatar Model is a Visual Object whose Format is identified by FormatID.

Portable Avatar is a Data Type that includiesAvatar ID, Time, Audio-Visual Scene Descriptors, Spatial Attitude, Avatar Model, Body Descriptors, Face Descriptors, Language Preference, Speech Coding, Speech Data, Text, and Personal Status.

2. Functional Requirements of Portable Avatar

3. Syntax of Portable Avatar

https://schemas.mpai.community/PAF/V1.2/data/PortableAvatar.json

4. Semantics of Portable Avatar

Label	Size	Description
HEADER	N1 Bytes
– Standard	9 Bytes	The characters “PAF-PAV-V”
– Version	N2 Bytes	Major version
– Dot-separator	1 Byte
– Subversion	N3 Byte	Minor version
MInstanceID	N4 Bytes	Id of the Virtual Space containing the AV Scene and the Avatar.
PortableAvatarID	N4 Bytes	Identifier of Portable Avatar instance.
PortableAvatarSpaceTime	N6 Bytes	Space-Time of the Avatar instance in the AV Scene.
AudioVisualScene	N7 Bytes	Descriptors of the AV Scene.
– AudioVisualSceneDescriptorsID	N8 Bytes	ID of the AV Scene
– AVSceneSoaceTime	N9 Bytes	Spatial Attitude and Time of the AV Scene.
AvatarData	N10 Bytes	The set of Data related to the Avatar.
– AvatarID	N11 Bytes	ID of the Avatar
– AvatarSpaceTime	N12 Bytes	Spatial Attitude of Avatar in AV Scene.
– AvatarModel	N13 Bytes	Model of Avatar.
– BodyDescriptors	N14 Bytes	Body Descriptors of Avatar.
– FaceDescriptors	N15 Bytes	Face Descriptors of Avatar.
LanguagePreference	N16 Bytes	Language Preference of Avatar.
SpeechObjectData	N17 Bytes	The set of Data included in the Speech Object.
– SpeechFormartID	N18 Bytes	ID of Speech Format
– SpeechModelID	N19 Bytes	ID of Speech Model.
– SpeechObjectDataLength	N20 Bytes	Length of Speech Object Data.
– SpeechObjectLengthDataURI	N21 Bytes	URI of Speech Object Data
TextObject	N22 Bytes	Text in the Time.
PersonalStatus	N23 Bytes	Personal Status of Avatar.