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 PDFInfo
- 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
Links
- 238000000034 method Methods 0.000 title claims description 43
- 238000004891 communication Methods 0.000 title claims description 42
- 239000000872 buffer Substances 0.000 claims description 205
- 230000014759 maintenance of location Effects 0.000 claims description 85
- 230000005540 biological transmission Effects 0.000 claims description 57
- 238000012937 correction Methods 0.000 claims description 36
- 238000001514 detection method Methods 0.000 claims description 22
- 230000001360 synchronised effect Effects 0.000 claims description 17
- 238000005070 sampling Methods 0.000 claims description 16
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- 238000006243 chemical reaction Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
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- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 description 1
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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; DEAF-AID SETS; 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; DEAF-AID SETS; 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; DEAF-AID SETS; 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)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Quality & Reliability (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
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 (enExample) |
| JP (1) | JP2008514148A (enExample) |
| KR (1) | KR20070085235A (enExample) |
| TW (1) | TWI304694B (enExample) |
| WO (1) | WO2006032978A2 (enExample) |
Families Citing this family (4)
| 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 |
| EP2050199B1 (en) * | 2006-07-19 | 2016-08-24 | 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)
| 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 |
-
2005
- 2005-09-20 TW TW094132495A patent/TWI304694B/zh not_active IP Right Cessation
- 2005-09-21 EP EP05788784A patent/EP1797665A4/en not_active Withdrawn
- 2005-09-21 KR KR1020077006722A patent/KR20070085235A/ko not_active Withdrawn
- 2005-09-21 WO PCT/IB2005/002783 patent/WO2006032978A2/en not_active Ceased
- 2005-09-21 JP JP2007532980A patent/JP2008514148A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP1797665A4 (en) | 2010-05-26 |
| TW200625903A (en) | 2006-07-16 |
| JP2008514148A (ja) | 2008-05-01 |
| WO2006032978A2 (en) | 2006-03-30 |
| EP1797665A2 (en) | 2007-06-20 |
| WO2006032978A3 (en) | 2006-12-28 |
| KR20070085235A (ko) | 2007-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |