BRPI0514801A - buffer de de-jitter adaptativo para voz sobre ip - Google Patents

buffer de de-jitter adaptativo para voz sobre ip

Info

Publication number
BRPI0514801A
BRPI0514801A BRPI0514801-4A BRPI0514801A BRPI0514801A BR PI0514801 A BRPI0514801 A BR PI0514801A BR PI0514801 A BRPI0514801 A BR PI0514801A BR PI0514801 A BRPI0514801 A BR PI0514801A
Authority
BR
Brazil
Prior art keywords
jitter buffer
adaptive
voice over
jitter
buffer
Prior art date
Application number
BRPI0514801-4A
Other languages
English (en)
Inventor
Peter John Black
Rohit Kapoor
Serafin Diaz Spindola
Mehmet Yavuz
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BRPI0514801A publication Critical patent/BRPI0514801A/pt
Publication of BRPI0514801B1 publication Critical patent/BRPI0514801B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/28—Flow control; Congestion control in relation to timing considerations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/90—Buffering arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/75—Media network packet handling
    • H04L65/752—Media network packet handling adapting media to network capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
    • H04J3/0632—Synchronisation of packets and cells, e.g. transmission of voice via a packet network, circuit emulation service [CES]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2416—Real-time traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/29—Flow control; Congestion control using a combination of thresholds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/30—Flow control; Congestion control in combination with information about buffer occupancy at either end or at transit nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/90—Buffering arrangements
    • H04L49/9084—Reactions to storage capacity overflow
    • H04L49/9089—Reactions to storage capacity overflow replacing packets in a storage arrangement, e.g. pushout
    • H04L49/9094—Arrangements for simultaneous transmit and receive, e.g. simultaneous reading/writing from/to the storage element
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/80—Responding to QoS

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Computational Linguistics (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Communication Control (AREA)
  • Dc Digital Transmission (AREA)
  • Telephone Function (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

BUFFER DE-JITTER ADAPTATIVO PARA VOZ SOBRE IP. Trata-se de um Buffer De-Jitter Adaptativo para Voz sobre IP (VoIP) para comunicações comutadas por pacote. Os métodos e o equipamento do buffer de-jitter apresentados evitam a reprodução de underflows ao mesmo tempo em que equilibram o retardo fim-a-fim. Em um exemplo, o buffer dejitter é recalculado no começo de cada jorro de fala. Em outro exemplo, os pacotes do jorro de fala são compactados quando do recebimento de todos os pacotes restantes.
BRPI0514801-4A 2004-08-30 2005-08-30 Buffer de-jitter adaptativo para voz sobre ip BRPI0514801B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US60603604P 2004-08-30 2004-08-30
US60/606,036 2004-08-30
PCT/US2005/030894 WO2006026635A2 (en) 2004-08-30 2005-08-30 Adaptive de-jitter buffer for voice over ip

Publications (2)

Publication Number Publication Date
BRPI0514801A true BRPI0514801A (pt) 2008-06-24
BRPI0514801B1 BRPI0514801B1 (pt) 2019-06-18

Family

ID=35700421

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0514801-4A BRPI0514801B1 (pt) 2004-08-30 2005-08-30 Buffer de-jitter adaptativo para voz sobre ip

Country Status (17)

Country Link
US (4) US7817677B2 (pt)
EP (4) EP1787290B1 (pt)
JP (4) JP2008512062A (pt)
KR (4) KR100964436B1 (pt)
CN (5) CN101867522A (pt)
AT (1) ATE488838T1 (pt)
BR (1) BRPI0514801B1 (pt)
CA (4) CA2691589A1 (pt)
DE (1) DE602005024825D1 (pt)
DK (1) DK2200024T3 (pt)
ES (2) ES2355039T3 (pt)
MX (1) MX2007002483A (pt)
MY (1) MY149811A (pt)
PL (2) PL1787290T3 (pt)
PT (1) PT2200024E (pt)
TW (1) TWI454101B (pt)
WO (1) WO2006026635A2 (pt)

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