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IETF · RFC · RFC3558

RFC3558 · RTP Payload Format for Enhanced Variable Rate Codecs (EVRC) and Selectable Mode Vocoders (SMV)

RTP Payload Format for Enhanced Variable Rate Codecs (EVRC) and Selectable Mode Vocoders (SMV)

This document describes the RTP payload format for Enhanced Variable Rate Codec (EVRC) Speech and Selectable Mode Vocoder (SMV) Speech. Two sub-formats are specified for different application scenarios. A bundled/interleaved format is included to reduce the effect of packet loss on speech quality and amortize the overhead of the RTP header over more than one speech frame. A non-bundled format is also supported for conversational applications. [STANDARDS-TRACK]

Официальная английская аннотация

This document describes the RTP payload format for Enhanced Variable Rate Codec (EVRC) Speech and Selectable Mode Vocoder (SMV) Speech. Two sub-formats are specified for different application scenarios. A bundled/interleaved format is included to reduce the effect of packet loss on speech quality and amortize the overhead of the RTP header over more than one speech frame. A non-bundled format is also supported for conversational applications. [STANDARDS-TRACK]

Связи документа

updated_by: RFC4788

Официальный источник · 2003-07-01

Полные импортированные сведения карточки
{
  "id": "RFC3558",
  "number": 3558,
  "title_en": "RTP Payload Format for Enhanced Variable Rate Codecs (EVRC) and Selectable Mode Vocoders (SMV)",
  "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 describes the RTP payload format for Enhanced Variable Rate Codec (EVRC) Speech and Selectable Mode Vocoder (SMV) Speech. Two sub-formats are specified for different application scenarios. A bundled/interleaved format is included to reduce the effect of packet loss on speech quality and amortize the overhead of the RTP header over more than one speech frame. A non-bundled format is also supported for conversational applications. [STANDARDS-TRACK]",
  "authors": [
    "A. Li"
  ],
  "organizations": [],
  "publication_date": "2003-07-01",
  "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-evrc-smv-03",
  "page_count": 23,
  "doi": "10.17487/RFC3558",
  "keywords": [
    "RTP",
    "real time transport protocol",
    "bundled",
    "interleaved",
    "EVRC",
    "Enhanced Variable Rate Codecs",
    "SMV",
    "Selectable Mode Vocoders"
  ],
  "formats": [
    "TXT",
    "HTML"
  ],
  "relations": {
    "obsoletes": [],
    "obsoleted_by": [],
    "updates": [],
    "updated_by": [
      "RFC4788"
    ],
    "is_also": [],
    "see_also": []
  },
  "links": {
    "info": "https://www.rfc-editor.org/info/rfc3558/",
    "html": "https://www.rfc-editor.org/rfc/rfc3558.html",
    "txt": "https://www.rfc-editor.org/rfc/rfc3558.txt",
    "datatracker": "https://datatracker.ietf.org/doc/rfc3558/"
  }
}