CA1155224A - Method of and device for effecting objective quality measures on speech transmission apparatuses - Google Patents
Method of and device for effecting objective quality measures on speech transmission apparatusesInfo
- Publication number
- CA1155224A CA1155224A CA000366630A CA366630A CA1155224A CA 1155224 A CA1155224 A CA 1155224A CA 000366630 A CA000366630 A CA 000366630A CA 366630 A CA366630 A CA 366630A CA 1155224 A CA1155224 A CA 1155224A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- quality
- test
- filter
- noise
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 title claims abstract description 11
- 238000012360 testing method Methods 0.000 claims abstract description 58
- 238000005259 measurement Methods 0.000 claims abstract description 49
- 230000000694 effects Effects 0.000 claims abstract description 11
- 238000011156 evaluation Methods 0.000 claims description 13
- 230000006978 adaptation Effects 0.000 claims description 9
- 230000003044 adaptive effect Effects 0.000 claims description 8
- 230000000737 periodic effect Effects 0.000 claims description 7
- 230000006870 function Effects 0.000 claims description 5
- 230000003595 spectral effect Effects 0.000 claims description 3
- 230000008030 elimination Effects 0.000 abstract description 2
- 238000003379 elimination reaction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 3
- 101100173586 Schizosaccharomyces pombe (strain 972 / ATCC 24843) fft2 gene Proteins 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000013178 mathematical model Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- ZUXNHFFVQWADJL-UHFFFAOYSA-N 3,4,5-trimethoxy-n-(2-methoxyethyl)-n-(4-phenyl-1,3-thiazol-2-yl)benzamide Chemical compound N=1C(C=2C=CC=CC=2)=CSC=1N(CCOC)C(=O)C1=CC(OC)=C(OC)C(OC)=C1 ZUXNHFFVQWADJL-UHFFFAOYSA-N 0.000 description 1
- 241000272470 Circus Species 0.000 description 1
- 241000288147 Meleagris gallopavo Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 210000003126 m-cell Anatomy 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/0033—Recording/reproducing or transmission of music for electrophonic musical instruments
- G10H1/0041—Recording/reproducing or transmission of music for electrophonic musical instruments in coded form
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
-
- 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
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/69—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for evaluating synthetic or decoded voice signals
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT69404/79A IT1121496B (it) | 1979-12-14 | 1979-12-14 | Procedimento e dispositivo per l effettuazione di misure oggettive di qualita su apparecchiature di trasmissione di segnali fonici |
| IT69404-A/79 | 1979-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1155224A true CA1155224A (en) | 1983-10-11 |
Family
ID=11312062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000366630A Expired CA1155224A (en) | 1979-12-14 | 1980-12-11 | Method of and device for effecting objective quality measures on speech transmission apparatuses |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4352182A (enExample) |
| EP (1) | EP0030724B1 (enExample) |
| JP (1) | JPS5693451A (enExample) |
| CA (1) | CA1155224A (enExample) |
| DE (1) | DE3065213D1 (enExample) |
| DK (1) | DK151757C (enExample) |
| IT (1) | IT1121496B (enExample) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU8911882A (en) * | 1981-10-07 | 1983-04-14 | International Standard Electric Corp. | Test signal analyzer |
| US4672605A (en) * | 1984-03-20 | 1987-06-09 | Applied Spectrum Technologies, Inc. | Data and voice communications system |
| US5247458A (en) * | 1990-09-11 | 1993-09-21 | Audio Precision, Inc. | Method and apparatus for testing a digital system for the occurrence of errors |
| US5421342A (en) * | 1991-01-18 | 1995-06-06 | Mortara Instrument, Inc. | Filter apparatus and method for reducing signal noise using multiple signals obtained from a single source |
| US5890104A (en) * | 1992-06-24 | 1999-03-30 | British Telecommunications Public Limited Company | Method and apparatus for testing telecommunications equipment using a reduced redundancy test signal |
| JP3701671B2 (ja) * | 1993-06-21 | 2005-10-05 | ブリテイッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー | 冗長性の減少された試験信号を使用する通信装置の試験方法および装置 |
| US5706282A (en) * | 1994-11-28 | 1998-01-06 | Lucent Technologies Inc. | Asymmetric speech coding for a digital cellular communications system |
| US5875230A (en) * | 1996-12-20 | 1999-02-23 | At&T Corp. | Interactive measurement system and method for telecommunication networks |
| US5987320A (en) * | 1997-07-17 | 1999-11-16 | Llc, L.C.C. | Quality measurement method and apparatus for wireless communicaion networks |
| US6070091A (en) * | 1997-11-28 | 2000-05-30 | Telefonaktiebolaget Lm Ericsson | Method for detecting performance degradation in radio base stations due to intermodulation products |
| DE19818609C2 (de) * | 1998-04-20 | 2000-06-15 | Deutsche Telekom Ag | Verfahren und Vorrichtung zur Geräuschfilterung |
| US6438373B1 (en) * | 1999-02-22 | 2002-08-20 | Agilent Technologies, Inc. | Time synchronization of human speech samples in quality assessment system for communications system |
| FI107477B (fi) * | 1999-12-16 | 2001-08-15 | Valtion Teknillinen | Menetelmä signaalien erottamiseksi toisistaan ja suodatin |
| WO2001065543A1 (en) * | 2000-02-29 | 2001-09-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Compensation for linear filtering using frequency weighting factors |
| US7821953B2 (en) * | 2005-05-13 | 2010-10-26 | Yahoo! Inc. | Dynamically selecting CODECS for managing an audio message |
| US7689406B2 (en) * | 2002-03-08 | 2010-03-30 | Koninklijke Kpn. N.V. | Method and system for measuring a system's transmission quality |
| US7308403B2 (en) * | 2002-07-01 | 2007-12-11 | Lucent Technologies Inc. | Compensation for utterance dependent articulation for speech quality assessment |
| US7409451B1 (en) * | 2003-05-30 | 2008-08-05 | Aol Llc, A Delaware Limited Liability Company | Switching between connectivity types to maintain connectivity |
| JP2005249816A (ja) * | 2004-03-01 | 2005-09-15 | Internatl Business Mach Corp <Ibm> | 信号強調装置、方法及びプログラム、並びに音声認識装置、方法及びプログラム |
| US7680655B2 (en) * | 2005-05-20 | 2010-03-16 | Alcatel-Lucent Usa Inc. | Method and apparatus for measuring the quality of speech transmissions that use speech compression |
| US20080162119A1 (en) * | 2007-01-03 | 2008-07-03 | Lenhardt Martin L | Discourse Non-Speech Sound Identification and Elimination |
| DE102009034093A1 (de) | 2009-07-21 | 2011-01-27 | Rohde & Schwarz Gmbh & Co. Kg | Frequenzselektive Messvorrichtung und frequenzselektives Messverfahren |
| US20140016487A1 (en) * | 2012-07-13 | 2014-01-16 | Anritsu Company | Test system to estimate the uplink or downlink quality of multiple user devices using a mean opinion score (mos) |
| US9837066B2 (en) * | 2013-07-28 | 2017-12-05 | Light Speed Aviation, Inc. | System and method for adaptive active noise reduction |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2151981C3 (de) * | 1971-10-19 | 1974-04-18 | Wandel U. Goltermann, 7410 Reutlingen | Anordnung zur Messung von Amplituden- und Phasenverzerrungen |
| US3842247A (en) * | 1972-10-18 | 1974-10-15 | Bell Telephone Labor Inc | Apparatus and method for measuring envelope delay utilizing {90 -point technique |
| US3862380A (en) * | 1973-04-19 | 1975-01-21 | Hekimian Laboratories Inc | Intermodulation distortion analyzer |
| US3875500A (en) * | 1973-11-28 | 1975-04-01 | Nasa | Pseudo-noise test set for communication system evaluation |
| HU172706B (hu) * | 1975-11-05 | 1978-11-28 | Posta Kiserleti Intezet | Sposob i ustrojstvo dlja izmerenija nelinejnosti kvazilinejnykh sistemi |
| JPS5488048A (en) * | 1977-12-26 | 1979-07-12 | Kokusai Denshin Denwa Co Ltd | Automatic transversal equalizer |
| US4191653A (en) * | 1979-02-27 | 1980-03-04 | Hampton Quentin L | Self washing belt strainer |
-
1979
- 1979-12-14 IT IT69404/79A patent/IT1121496B/it active
-
1980
- 1980-11-28 DK DK507280A patent/DK151757C/da not_active IP Right Cessation
- 1980-12-09 JP JP17269080A patent/JPS5693451A/ja active Granted
- 1980-12-11 CA CA000366630A patent/CA1155224A/en not_active Expired
- 1980-12-12 EP EP80107867A patent/EP0030724B1/en not_active Expired
- 1980-12-12 DE DE8080107867T patent/DE3065213D1/de not_active Expired
- 1980-12-12 US US06/215,796 patent/US4352182A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| IT1121496B (it) | 1986-04-02 |
| IT7969404A0 (it) | 1979-12-14 |
| EP0030724B1 (en) | 1983-10-05 |
| EP0030724A2 (en) | 1981-06-24 |
| US4352182A (en) | 1982-09-28 |
| DK151757B (da) | 1987-12-28 |
| JPS6223938B2 (enExample) | 1987-05-26 |
| JPS5693451A (en) | 1981-07-29 |
| DK151757C (da) | 1988-06-13 |
| DK507280A (da) | 1981-06-15 |
| EP0030724A3 (en) | 1981-08-26 |
| DE3065213D1 (en) | 1983-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |