TWI304694B - A method and apparatus for ensuring high quality audio playback in a wireless or wired digital audio communication system - Google Patents

A method and apparatus for ensuring high quality audio playback in a wireless or wired digital audio communication system Download PDF

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Publication number
TWI304694B
TWI304694B TW094132495A TW94132495A TWI304694B TW I304694 B TWI304694 B TW I304694B TW 094132495 A TW094132495 A TW 094132495A TW 94132495 A TW94132495 A TW 94132495A TW I304694 B TWI304694 B TW I304694B
Authority
TW
Taiwan
Prior art keywords
digital data
data
signal
digital
fifo
Prior art date
Application number
TW094132495A
Other languages
English (en)
Chinese (zh)
Other versions
TW200625903A (en
Inventor
Huat Chua Beng
Original Assignee
Free Systems Pte Ltd
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 Free Systems Pte Ltd filed Critical Free Systems Pte Ltd
Publication of TW200625903A publication Critical patent/TW200625903A/zh
Application granted granted Critical
Publication of TWI304694B publication Critical patent/TWI304694B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • 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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041—Mechanical or electronic switches, or control elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1008—Earpieces of the supra-aural or circum-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Computer Hardware Design (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
TW094132495A 2004-09-22 2005-09-20 A method and apparatus for ensuring high quality audio playback in a wireless or wired digital audio communication system TWI304694B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61200704P 2004-09-22 2004-09-22

Publications (2)

Publication Number Publication Date
TW200625903A TW200625903A (en) 2006-07-16
TWI304694B true TWI304694B (en) 2008-12-21

Family

ID=36090381

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094132495A TWI304694B (en) 2004-09-22 2005-09-20 A method and apparatus for ensuring high quality audio playback in a wireless or wired digital audio communication system

Country Status (5)

Country Link
EP (1) EP1797665A4 (https=)
JP (1) JP2008514148A (https=)
KR (1) KR20070085235A (https=)
TW (1) TWI304694B (https=)
WO (1) WO2006032978A2 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8174978B2 (en) * 2004-03-05 2012-05-08 Xyratex Technology Limited Method for congestion management of a network, a signalling protocol, a switch, an end station and a network
WO2008009111A1 (en) * 2006-07-19 2008-01-24 Dragonwave Inc. Expedited communication traffic handling apparatus and methods
DE102009031995A1 (de) * 2009-07-06 2011-01-13 Neutrik Aktiengesellschaft Verfahren zur drahtlosen Echtzeitübertragung zumindest eines Audiosignales
US8577209B2 (en) * 2010-06-15 2013-11-05 Mediatek Inc. Method for utilizing at least one storage space sharing scheme to manage storage spaces utilized by video playback operation and related video playback apparatus thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09284270A (ja) * 1996-04-19 1997-10-31 Nec Corp シンボル同期追従方法及びそれを適用したシンボル同期追従装置
US6188496B1 (en) * 1997-11-25 2001-02-13 International Business Machines Corporation Wireless communication system
US6400683B1 (en) * 1998-04-30 2002-06-04 Cisco Technology, Inc. Adaptive clock recovery in asynchronous transfer mode networks
US6741659B1 (en) * 1999-10-25 2004-05-25 Freesystems Pte. Ltd. Wireless infrared digital audio transmitting system
JP3417392B2 (ja) * 2000-09-08 2003-06-16 ヤマハ株式会社 同期制御装置

Also Published As

Publication number Publication date
JP2008514148A (ja) 2008-05-01
EP1797665A2 (en) 2007-06-20
WO2006032978A2 (en) 2006-03-30
TW200625903A (en) 2006-07-16
KR20070085235A (ko) 2007-08-27
EP1797665A4 (en) 2010-05-26
WO2006032978A3 (en) 2006-12-28

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MM4A Annulment or lapse of patent due to non-payment of fees