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IETF · RFC · RFC4788

RFC4788 · Enhancements to RTP Payload Formats for EVRC Family Codecs

Enhancements to RTP Payload Formats for EVRC Family Codecs

This document updates the Enhanced Variable Rate Codec (EVRC) RTP payload formats defined in RFC 3558 with several enhancements and extensions. In particular, it defines support for the header-free and interleaved/bundled packet formats for the EVRC-B codec, a new compact bundled format for the EVRC and EVRC-B codecs, as well as discontinuous transmission (DTX) support for EVRC and EVRC-B-encoded speech transported via RTP. Voice over IP (VoIP) applications operating over low bandwidth dial-up and wireless networks require such enhancements for efficient use of the bandwidth. [STANDARDS-TRACK]

Официальная английская аннотация

This document updates the Enhanced Variable Rate Codec (EVRC) RTP payload formats defined in RFC 3558 with several enhancements and extensions. In particular, it defines support for the header-free and interleaved/bundled packet formats for the EVRC-B codec, a new compact bundled format for the EVRC and EVRC-B codecs, as well as discontinuous transmission (DTX) support for EVRC and EVRC-B-encoded speech transported via RTP. Voice over IP (VoIP) applications operating over low bandwidth dial-up and wireless networks require such enhancements for efficient use of the bandwidth. [STANDARDS-TRACK]

Связи документа

updates: RFC3558

updated_by: RFC5188

Официальный источник · 2007-01-01

Полные импортированные сведения карточки
{
  "id": "RFC4788",
  "number": 4788,
  "title_en": "Enhancements to RTP Payload Formats for EVRC Family Codecs",
  "title_ru": "",
  "summary_ru": "",
  "purpose_ru": "",
  "use_ru": "",
  "full_translation_path": "",
  "full_translation_checked_at": "",
  "full_translation_source_sha256": "",
  "architect_note_ru": "",
  "topics_ru": [],
  "translation_state": "not_prepared",
  "verification_level": "not_prepared",
  "verification_level_ru": "Русская выжимка не подготовлена",
  "verification_note_ru": "",
  "abstract_en": "This document updates the Enhanced Variable Rate Codec (EVRC) RTP payload formats defined in RFC 3558 with several enhancements and extensions. In particular, it defines support for the header-free and interleaved/bundled packet formats for the EVRC-B codec, a new compact bundled format for the EVRC and EVRC-B codecs, as well as discontinuous transmission (DTX) support for EVRC and EVRC-B-encoded speech transported via RTP. Voice over IP (VoIP) applications operating over low bandwidth dial-up and wireless networks require such enhancements for efficient use of the bandwidth. [STANDARDS-TRACK]",
  "authors": [
    "Q. Xie",
    "R. Kapoor"
  ],
  "organizations": [],
  "publication_date": "2007-01-01",
  "current_status": "PROPOSED STANDARD",
  "current_status_ru": "Предлагаемый стандарт",
  "publication_status": "PROPOSED STANDARD",
  "publication_status_ru": "Предлагаемый стандарт",
  "lifecycle": "active",
  "lifecycle_ru": "Действующий",
  "stream": "IETF",
  "stream_ru": "IETF",
  "area": "rai",
  "area_ru": "rai",
  "working_group": "avt",
  "source_draft": "draft-ietf-avt-compact-bundled-evrc-11",
  "page_count": 22,
  "doi": "10.17487/RFC4788",
  "keywords": [
    "enhanced variable rate codec",
    "real time transmission protocol",
    "evrc-b",
    "dtx",
    "discontinuous transmission"
  ],
  "formats": [
    "TXT",
    "HTML"
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  "relations": {
    "obsoletes": [],
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      "RFC5188"
    ],
    "is_also": [],
    "see_also": []
  },
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    "html": "https://www.rfc-editor.org/rfc/rfc4788.html",
    "txt": "https://www.rfc-editor.org/rfc/rfc4788.txt",
    "datatracker": "https://datatracker.ietf.org/doc/rfc4788/"
  }
}