26234-450: Transparent end-to-end Packet-switched Streaming Service(PSS); Protocols and codecs

1. System Description

• Video, Audio & Speech : RTP/UDP
• Still images, Bitmap graphics, Vector graphics & Text : HTTP/TCP
• Presentation description : RTSP/UDP or TCP

2. Protocols

• Session descriptions : SMIL, SDP, or plain RTSP URL
• RTSP :

- shall follow appendix D of RFC-2326 rules for minimal on-demand playback
- shall implement the DESCRIBE method
- shall implement the Range header field
- shall include the Range field in all PLAY responses

• SDP : always include the following fields int the SDP

- "a=control:"
- "a=range:"
- "a=rtpmap:"
- "a=fmtp:"
- "b=AS:" for bandwidth of the session and the individual media in the presentation

• MIME media types

- AMR narrow band & wide band : RFC 3267
- MPEG-4 AAC & video codec : RFC 3016; if "cpresent=0", configuration info. is only carried SDP's "config" parameter
- H.263 : ITU-T Recommendation H.263: "Video coding for low bit rate communication".
- JPEG : RFC 2046
- GIF : RFC 2046
- XHTML : RFC 3236

3. Data transport

• RTP over UDP/IP

- AMR narrow band & wid band : RFC 3267
- MPEG-4 AAC & video codec : RFC 3016
- H.263 : RFC 2429

• HTTP over TCP/IP

- Still images(JPEG, JFIF)

a. baseline DCT, non-differential, Huffman coding, ad defined in table B.1, symbol "SOF0' in ITU-T Recommendation T.81 (1991) | ISO/IEC 10918-1 (1992):
b. progressive DCT, baseline DCT, non-differential, Huffman coding, ad defined in table B.1, symbol "SOF2' in ITU-T Recommendation T.81 (1991) | ISO/IEC 10918-1 (1992):

- Bitmap graphics

a. GIF87a
b. GIF89a

- Text

a. XHTML Basic ; "http://www.w3.org/TR/2000/REC-xhtml-basic-20001219"
b. UTF-8 ; "ISO/IEC 10646-1 (2000)"
c. UCS-2 ; "The Unicode Standard", Version 3.0 Reading, MA, Addison-Wesley Developers Press, 2000, ISBN 0-201-61633-5.

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22233-630

5. Service Requirement

5.1 General

5.2 Media type

* Audio(including speech)

* Video

*Still image

* Graphics(2D and 3D) including animation

* Text; Plain text, Formatted text(e.g. size, colour, font)

* Synthetic audio(e.g. MIDI)

* Meta data(e.g. indication that text has been supplied for the hard of hearing)

5.3 Multimedia Composition and Interaction

5.4 Transport

5.5 Service Personalization

5.6 Service Management

7. Charging

* streaming type(e.g. real-time or non real-time)

* volume of streaming content delivered

* volume of data delivered

* time of start of delivered

* duration

* Qos, including transmission rate, packet loss ratio, transfer delay(latency, jitter)

* Streaming service sender / recipient

* number of Streaming events sent

* number of Streaming events received

* Media type

* Content id(the particular content stream being accessed)

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22233-630

5. Service Requirement
 5.1 General
 5.2 Media type
  * Audio(including speech)
  * Video
  * Still image
  * Graphics(2D and 3D) including animation
  * Text; Plain text, Formatted text(e.g. size, colour, font)
  * Synthetic audio(e.g. MIDI)
  * Meta data(e.g. indication that text has been supplied for the hard of hearing)
 5.3 Multimedia Composition and Interaction
 5.4 Transport
 5.5 Service Personalization
 5.6 Service Management
7. Charging
 * streaming type(e.g. real-time or non real-time)
 * volume of streaming content delivered
 * volume of data delivered
 * time of start of delivered
 * duration
 * Qos, including transmission rate, packet loss ratio, transfer delay(latency, jitter)
 * Streaming service sender / recipient
 * number of Streaming events sent
 * number of Streaming events received
 * Media type
 * Content id(the particular content stream being accessed)

     

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26234-450: Transparent end-to-end Packet-switched Streaming Service(PSS); Protocols and codecs

1. System Description

• Video, Audio & Speech : RTP/UDP
• Still images, Bitmap graphics, Vector graphics & Text : HTTP/TCP
• Presentation description : RTSP/UDP or TCP

2. Protocols

• Session descriptions : SMIL, SDP, or plain RTSP URL
• RTSP :

- shall follow appendix D of RFC-2326 rules for minimal on-demand playback
- shall implement the DESCRIBE method
- shall implement the Range header field
- shall include the Range field in all PLAY responses

• SDP : always include the following fields int the SDP

- "a=control:"
- "a=range:"
- "a=rtpmap:"
- "a=fmtp:"
- "b=AS:" for bandwidth of the session and the individual media in the presentation

• MIME media types

- AMR narrow band & wide band : RFC 3267
- MPEG-4 AAC & video codec : RFC 3016; if "cpresent=0", configuration info. is only carried SDP's "config" parameter
- H.263 : ITU-T Recommendation H.263: "Video coding for low bit rate communication".
- JPEG : RFC 2046
- GIF : RFC 2046
- XHTML : RFC 3236

3. Data transport

• RTP over UDP/IP

- AMR narrow band & wid band : RFC 3267
- MPEG-4 AAC & video codec : RFC 3016
- H.263 : RFC 2429

• HTTP over TCP/IP

- Still images(JPEG, JFIF)

a. baseline DCT, non-differential, Huffman coding, ad defined in table B.1, symbol "SOF0' in ITU-T Recommendation T.81 (1991) | ISO/IEC 10918-1 (1992):
b. progressive DCT, baseline DCT, non-differential, Huffman coding, ad defined in table B.1, symbol "SOF2' in ITU-T Recommendation T.81 (1991) | ISO/IEC 10918-1 (1992):

- Bitmap graphics

a. GIF87a
b. GIF89a

- Text

a. XHTML Basic ; "http://www.w3.org/TR/2000/REC-xhtml-basic-20001219"
b. UTF-8 ; "ISO/IEC 10646-1 (2000)"
c. UCS-2 ; "The Unicode Standard", Version 3.0 Reading, MA, Addison-Wesley Developers Press, 2000, ISBN 0-201-61633-5.

크리에이티브 커먼즈 라이센스

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http://www.3gpp.org/specs/numbering.htm

이 페이지에서 CODECs의 26 series를 찾아서 보면 다음과 같은 페이지들을 찾을 수 있다.

1. 22233-630 : Transparent End-to-End Packet-switched Streaming Service; Stage
2. 26233-600 : End-to-End transparent streaming service; General Description
3. 26234-450 : Transparent End-to-End Packet-switched Streaming Service(PSS) ; Protocols and codecs
4. 26244-630 : Transparent End-to-End Packet-switched Streaming Service(PSS); 3GPP File Format(3GP)
5. 26245-610 : Transparent End-to-End Packet-switched Streaming Service(PSS); Timed text format
6. 26246-600 : Transparent End-to-End Packet-switched Streaming Service(PSS); 3GPP SMIL language profile

[참고]3GPP의 스펙은 *****-xyz의 형식으로 되어 있다. *****은 주제(subject)에 따른 스펙의 버젼(시리즈넘버. 앞의 두자릿 수)을 나타내고, x는 information, approval등의 큰 변경이 있을 때, y는 내용의 증가 및 수정등의 업데이트가 있을 때, 그리고 z는 문서 안에서 편집이 이루어졌을 때 변경 되는 정보이다.

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이 저작물은 크리에이티브 커먼즈 코리아 저작자표시-비영리-변경금지 2.0 대한민국 라이센스에 따라 이용하실 수 있습니다.

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