David Dugan, Geoffrey Grigson, Philip Norman, Anon, John Peter, Dennis Potter, R D C Owen, Antony Terry European Editor, Colin Stanley, Francis Wyndham, Colin Narbeth, Tracey Stovell, Berry Ritchie, Graham Rose, Alfred Levy, James Mitchell General Editor, John Whale, Julian Symons, Paul Flattery, Jason Tomas, Berihu Aregawl, Peter Levi, Charles Jencks, Paul D. Martin, San Sebastian, Bob Campbell, Henry Brandon, John Coates, Maxine Petrie, Margaret Jackson, Howard Hughes, Richard Milner, Bernard Levin, Adam Hopkins, Deryk Brown, Craig Raine, Keith Botsford, David Dougill, Elizabeth Neish, Philip Clarke, Derek Jewell, Patrick Campbell, Nicholas Tyndall Chief Officer, Kenneth Fleet Editor Business News, Peter Rodgers Energy Editor, Hona Marks, Norman Harris, John Boulting, Michael Jones, Reuben Ainsztein, Brian Wilson, Bryan Silcock Science Correspondent, Robert Troop, Robin Marlar, Lesley Garner, John Sheppard, Hugh Somerville, Mrs Pat Smith, Rex Bellamy, Tana de Zulueta, Roger Eglin, Tony Osman Science Editor, Kenneth Fleet Business News Editor, Michael Bizony, Moyra Bremner, Peter Lennon, Lorana Sullivan, John Ball, Boris Schapiro, Elkan Allana, Malcolm Crawford Economics editor, George Rosie, Jerome Burne, Arthur Beels, Tony Geraghty, Judith Jackson, Peter Ward, John Fryer Labour Correspondent, James Poole Foreign Editor, Anthony Storr, Susan Clark, John Hopkins, Celia Haddon, Jill Neville, Denis Herbstein, Eric Marsden, Gillian Cooke, Karen Fallows, Jennie Lee, Barry Wilson, Elaine Potter, Arnold Legh, David May, Gordon T. Stewart Professor, Roy Boulting, Desmond Shawe-Taylor, Meriel McCooey, Alan Brien, Gwen Nuttall, Mrs R. Fox Secretary, Lindsay Anderson, Stephen Aris, Roger McGough, Roger Fox, Dilys Powell, John Bell City Editor, Russell Miller, David May Assen, Tony Rocca, Elkan Allan, Reginald Maudling, John Cooper, Hugo Young, Jean Bayly, Dudley Doust, Gary Rawlinson, Terence Mirabelli, Graham Searjeant Financial Editor, Stephen Fay, Vincent Firth, Peter Clarke, Keith Richardson Common Market Editor, Richard Burnell, Christopher Ricks, David Chipp Editor in Chief, Tony Dawe, Brian Glanville, Michael Booth, Anthony Holden, Barbara Hanson, Michael Roberts, Alan Sillitoe, Baroness Phillips Director, Nicholas Faith, Martin Amis, Michael Jones Political Correspondent, Roy Perrott, Robin Denniston, Marina Vaizey, Margery Fisher, G Millington, Peter Harland Managing Editor, Phillip Knightley, Robert Whymant, Dr John Wilson, Anthony Smith, Judith Sansom, Ian Stewart, J R G Bell, Yolande Burgin, Muriel Bowen,
... the Basques might be on to a winner DB German Federal Railway The Dayan defection gives Israel ... and Daimler Wanted Kingsley Park Garages Hurst Park Automobiles Ltd. Volvo St Johns Wood Peugeot Wilsons Multiple ...
1977 - Gale Group | Sunday Times HA GDA
... flat network over-all levels ranged from 78 db for automobiles to 94 db for subway trains. Observations in ... 800 c.p.s. band ranged from 66 db for automobiles to 87 db for subway trains. Variations in the over-all ...
Tópico(s): Acoustic Wave Phenomena Research
1950 - Acoustical Society of America | The Journal of the Acoustical Society of America
Anthony Hilton, John Coleman, John Shirley, Deyan Sudjie, John Fryer, David Steel Mp, Mark Girouard, Rob Hughes, Tony Avirgan, Chris Tighe, Nick Gilbert Deputy City Editor, John Diamond, Berry Ritchie, Graham Rose, Elisabeth Dunn, Robin Morgan, Michael Binyon, Nick Pitt, Frederic Raphael, Jason Tomas, fluffs, Philip Oakes, Mario Modiano, John Coates, Henry Brandon, Peter Rodgers, Frances Partridge, Richard Milner, Julian Barnes, David Dougill, Joe Irving, Alfred Brendel, Derek Jewell, Peter Rodgers Energy Editor, David Cairns, Norman Harris, Roger Hardman, Geoff Whitten, Michael Jones, Peter Harriand, Geoffrey Cannon, Brian Moynahan, Edward Boyle, John Craven, Roger Eglin, Michael Bilton, Andrew Cornelius, Chirs Pryce Chairman, Lorana Sullivan, Oliver Gille, Marjorie Wallace, George Rosie, Brian Jackman, Richard Girling, Nicholas Carroll, Graham Dixon, Theodore Zeldin, Arthur Adams, John Barnes, Hugo Young Political Editor, Simon Freeman, Stephen Pile, Nicholas Albery, Hannah Charlton, Elaine Potter, Denis Reinhardt, Peter Stothard, David May, Los Angeles, Desmond Shawe-Taylor, Alan Brien, Russell Davies, Gwen Nuttall, Patrick Rowley, Jean Robertson, Ronald Butt, David Lipsey, John Bell City Editor, Clive D Greidinger, Brough Scott, Bill Cater, Oliver Gillie Medical Correspondent, Robin Mariar, Dar es Salaam, Barbara Griggs, Barrie Penrose, Dudley Doust, Felix Aprahamian, Ian Nairn, Neil Lyndon, Peter Wilby, John Wilcockson, Harald Offerdahl, Peter Clarke, Godfrey Smith, Peter Pringle, Christopher Ricks, Rear Admiral A J Monk, Hunter Davies, Brian Glanville, David Williams, Keith Richardson, Gwynne Roberts, James Fenton, Christ Lightbown, Michael Green, Roy Jenkins, Peter James, Linda Melvern, Marina Vaizey, Chris Lightbown, Frank Herrmann, James Danziger, Ian Robertson, Paul Wilcox, Geoffrey Hicks Chief Information Officer, Walter Goldsmith, Malcolm Crawford, Peter Wilby Education Correspondent, Piotr A. Bienkowski, R M Shields Managing Director, Patience Wheatcroft, Roger Ratcliffe, Leslie Geddes-Brown, Isabel Hilton, Boris Schapiro, Richard Williams,
... Government Multiple Display Advertising Items The One Nation DB No, Mrs Thatcher, we are two nations Britain ... dust-up smudges equities Market Round-Up Peugeot Automobiles UK Ltd. I come to raise BPC, not ...
1981 - Gale Group | Sunday Times HA GDA
Linda Liang, Guangzheng Yu, Huali Zhou, Qinglin Meng,
... caused by head orientations are up to 5 dB in automobile, lower than that of 9 dB in listening room. Under various head orientations, the ... in listening room, early reflections improve SI in automobile by an SRT decrease of up to 3.5 dB, while seat-back occlusions reduce SI by an ...
Tópico(s): Vehicle Noise and Vibration Control
2022 - Elsevier BV | Applied Acoustics
Jonathan Northcroft, Waldemar Januszczak, John Dugdale, Jo Harrigan, Peter Fairley, Mark Stretton, Barney Spender, Matthew Wall, Barbara Hall, Alec Stewart, Sally Compton, Paul Farmer, Jeff Dawson, Fred Redwood, Jim Munro, David Brown, Tessa Mayes, James Clark, Nicholas Rufford, Chris Ryder, Rob Hughes, A R Rouse, John Peter, Pam Barrett, V S, Dan Pearson, Amanda Ursell, Sue Chester, Jonathan Miller, Derek Hodgson, Ester de Burgh Thomas, Emma Moore, Martin Bradshaw, Mark Wilton, J D, Leon Reis, Frank Whitford, Ivo Tennant, Nicolette Jones, Jonathan da Silva, Alistair Scott, Kathryn Cooper, David Smith, Kirstie Hamilton City Editor, Dari Cairns, Edin Hamzic, Rory Godson, Humphrey Carpenter, Dominic Utton, Richard Bond, Frank Kennedy, Frederic Raphael, Neil Wormald, E P, Clive Davis, Norman Coltham, K R, Colleen Frost, Lynne Truss, Maurice Williams, Kathy Brewis, Kenny Hunt, Thrasy Petropolous, Joseph Dunn, Zara Hill, Tony Allen-Mills, Simon Wilde, Anthony Sattin, Robert Winnett, Irwin Stelzer, Hugh Ball, Robert Hewison, Peter Wilson, David Dougill, Nicholas Hellen Social Affairs Editor, Jonny Scholes, Tony Marcus, Philip Kerr, Sue Clayton, Robert Peston, David Hewson, David Elstein, Barry Hugill, Jullan Muscat, Jonathon Carr-Brown, Hugh Canning, Geraldine Hackett Education Correspondent, Jeremy Clarkson, Stewart Lee, Edward Porter, Steve Coogan, Victoria Segal, Louise Taylor, Iain MacMaster, Max Anderson, Cheryl Markosky, James Clark Defence Correspondent, John O'Donnell, Nick Caln, Caroline Donald, Greg Struthers, James Delingpole, Tracy Chevalier, Liz Phillips, Adam Nathan, Victoria Hervey, J I, Paul Brazier, Mike Laws, Richard Johnson, Rev Andrew de Berry, Louis Farrakhan, Paul Ham, Roger Eglin, Geoffrey Stuttard, Brett Lee, Paul Donovan, Stuart Wavell, Tom Dillon, Josephine Smith, Alastair Hendy, Frans de Waal, Barbara Kasteleintel, Lucinda Kemeny, Jasper Gerard, Paul Driver, Michael Woodhead, Garth Pearce, John Humphrys, Patrick Garratt, John Follain, Nicholas Hellen, Richard Brooks, Viscountess Cobham, Ian Hawkey, Shelley Von Strunckel, Stuart Andrews, David Leppard, Paul Durman, Sam Boyd, Penelope, Mark Edwards, Kirstie Hamilton, G O'Sullivan, Sarah Gracie, Dave editor, Susan Clark, David Lawrenson, Kira Cochrane, Naomi Calne, Danny O'Brien, Phil Baker, Elspeth Burnside, Susan Greenfield, Duncan Clarke, Charles Jennings, Victoria O'Brien, Slobhan Mason, John O'donnell, Peter Martin, Raymond Keene, Cosmo Landesman, David Leppard Home Affairs Editor, Jim Irvin, Robbie Hudson, Diana Wright, Kipper Williams, Andy Knott, Anne Fairfoot, Ian Lee, Uzi Mahnaimi, Nick Cain, Michael Wright, Peta Bee, Flona McGoran, Susan Kelly, Nick Rennison, Keith Gordon, Serene Coyne, Rob Ryan, Keith Wheatley, Pat Butcher, Alun Roderick, David Walsh, Malcolm Carroll, Dawn Carr, Gareth Child, Fiona Godona, John Stern, Colin McDowell, Bryan Appleyard, Lois Rogers Medical Correspondent, Stephen Armstrong, John Elliott, John Locke, Emily Milich, Nick MacKinnon, Lorna McDonald-Smith, David Price, Roland White, Glyn Alexander, Garth Alexander, William Rees-Mogg, Colin Stevens, Neville Ablitt Managing Director, John Mellor, Dr Mark Griffiths, Viv Groskop, Mark Franchetti, Ray Hutton, Frank Fitzgibbon, Conor Ryan, Phil Dean, Jonathan Leake, Caroline Brien, Michael Sheridan, Margaret Walters, John Harlow, Simon Wilde Cricket correspondent, Lizzie Jones, John Urbanek, Dipesh Gadher, Hilary Lowe, Barry Collins, Bill Kean, John Waples, A A Gill, Melanie McDonagh, Matthew Campbell, Brian Glanville, Robert Steiner, Winner's Dinners, Tom Robbins, Nadine Meisner, Maurice Anthony, Judy Buckley, Stephen Pettitt, Robert Johnston, Jonathan Carr-Brown, Winston Chow, Jonathan Leake Science Editor, Ian Campbell, R H, Sally Kinnes, Naomi Caine, David Wickers, Roger Dobson, Melanie McDonger, Graham Hopkins, Graharn Wale, George Peabody, Andrew Frankel, Graham Norwood, Jonathan Futrell, Linda Watson, Rupert Steiner, John Cole, Geoffrey West, Brian Pendreigh, Dan Cairns, Correlli Barnett, David Parsley, Mrs Mills, John Alzlewood, David Smith Economics Editor, Mike Philips, Simon Trump, Christian Dymond, Steve Powell, Anthony Howard, Sarah Baxter, Penny Perrick, Shireen Jilla, Joanna Simon, India Knight, William Cash's, Steve Grant, Simon Howard, Alexander Games, Ruth Robson, Sarah Wynter, Dr Mark Charig, Rosie Waterhouse, Boris Schapiro, Karen Robinson, Ian Watson,
... Hotel Breaks Holbrook House Hotel & Spa Special Offer DB&B Multiple Classified Advertising Items Stena Line Multiple ... Land-Rover Sheletons D. F. S Createur D'automobiles Survival of the fitted Survival of the fitted ...
2001 - Gale Group | Sunday Times HA GDA
Jean Rouat, Yong Chun Liu, Daniel Morissette,
... de données (parole téléphonique bruitée artificiellement à 0 dB, enregistrement dans une automobile et parole "propre") regroupant cinquante-huit locuteurs. Le ... améliore les performances sur la parole à 0 dB mais pas sur les enregistrements en véhicule automobile. L'article décrit le système proposé ainsi que ...
Tópico(s): Hearing Loss and Rehabilitation
1997 - Elsevier BV | Speech Communication
Jeremy Rundall, Stephen Dodgson, J. J. R. Trethowan, Charles Raw, Richard Buckle, James Margach, Oliver Stanley, Elizabeth Nicholas, Harold Hobson, Reginald Perry, K Etchells, Jonathan Miller, W Armfield, John Morgan, Mrs Smith, Donald H. Louchheirm, Anthony Vice Editor, Roger Nuttall, Adrian Mitchell, Arthur E Marshall, Julian Symons, Cal McCrystal, Elizabeth Good, Philip Oakes, George Begley, G Gasser, Bruce Page, Henry Brandon, John Aspinall, John Addey, Graham Greene, Max Marquis, Robert Lindley, Rev Dr Cecil Northcott, Philip Clarke, Derek Jewell, F M R Walshe, Patrick Campbell, Vivian Jenkins, Stanley Bonnett, Edmund Stevens, A V Dwyer, Ian Coulter, Frank Giles, Peter Willett, Alan Moorehead, Bryan Silcock Science Correspondent, (Mrs) M Ananin, Robert Troop, Dan van der Vat, A L Woolf, Cyril Connolly, Sir Herbert Thompson, Woodrow Wyatt, Robert Blackburn, Anthony Vice, Michael Howard, Alistair Stuart, Raymond Mortimer, David Holden, Oliver Marriott, Maxwell Boyd, Nicholas Carroll, John Walker, Robert Hughes, Anthony Storr, R P Lister, Hamish G R Galbraith, Gerhardt Mertins, Richmond, John Barry, Peter Wilsher, Peter Cranmer, Michael Limb, Hugh Greene Director-General, Roger Mortimer, Ernestine Carter, Desmond Shawe-Taylor, Meriel McCooey, Peter Prudden, Peter Mansfield, Gwen Nuttall, (Mrs) Margaret Johnston, Hugh Stovin, Peter Porter, Stephen Aris, Ronald Legge, Dilys Powell, Dick Taverne, Hugh Johnson, Brigid Keenan, P N Hasker Acting High Commissioner, Fulham, David Wiggins, Hugo Young, Harold Abrahams, Felix Aprahamian, Jack Fingleton, John Prager, David Leitch, Michael Ratcliffe, Ian Coulter Industrial Correspondent, J W Lambert, Henry Longhurst, Lewis Chester, James Margach Political Correspondent, Christopher Ricks, Hunter Davies, P. D., Michael Moynihan, Brian Glanville, Keith Richardson, Colin Chapman, John Scott-Taggart, Michael Green, Twickenham, C. H. O'd. Alexander, George Schwartz, Maurice Wiggin, Murrayfield, Norman Moss, Jacquetta Hawkes, Harlow Unger, J R, Dr. Alfred Byrne Medical Correspondent, Kenneth Konstam, Muriel Bowen,
... by Grahame Clark and Stuart Piggott Hutchinson 50s DB Siosa Line Business & Holiday Travel Ltd. Multiple Classified ...
1966 - Gale Group | Sunday Times HA GDA
James E. Saunders, William H. Slattery, William M. Luxford,
... A review of the available research in the automobile industry indicates that the peak amplitude of this noise may exceed 170 dB sound pressure level. Despite the increasingly wide application of airbags in automobiles, there have been no previous reports of airbag‐ ...
Tópico(s): Hearing, Cochlea, Tinnitus, Genetics
1998 - Wiley | Otolaryngology
G A Suvorov, Э. И. Денисов, Vladimir Antipin, V I Kharitonov, Jukka Starck, Ilmari Pyykkö, Esko Toppila,
... were studied at two forge workshops of an automobile company, where the equivalent sound pressure levels (104 and 105 dB) were the same, but the peak levels and ...
Tópico(s): Occupational Health and Safety Research
2001 - Taylor & Francis | Applied Occupational and Environmental Hygiene
Malcolm J. Crocker, Zhuang Li, Jorge P. Arenas,
... manufactured vehicles and that the exterior noise of automobiles is significantly less than that of heavy trucks by almost 15 dB at low speed and by almost 10 dB at medium to high speed. One can conclude from the previous discussion that much of the exterior noise emitted from modern cars and trucks, particularly at medium to high speeds, is caused by tyre/road interaction noise. Of course, the frequency content of noise as well as its magnitude is very important. It has been observed that for automobiles travelling at medium to high speeds, the A- ...
Tópico(s): Magnetic and Electromagnetic Effects
2005 - | The International Journal of Acoustics and Vibration
... the level of music listened to in an automobile is increased by 2 dB in LAeq. This is considered to be caused by masking. (2) In an automobile running at medium speed, the detectable level of the siren increases by about 0.5 dB compared to the case of standstill. This is ...
Tópico(s): Noise Effects and Management
1996 - Acoustical Society of America | The Journal of the Acoustical Society of America
HemanthNarayan Shetty, Palaniappan Vinodhini, SwathiSusheel Chambayil, Syeda Aisha,
... measured for the target test stimuli (truck and automobile horns) in the presence of traffic noise at 65 dB SPL and 75 dB SPL. Results: On factor ...
Tópico(s): Phonetics and Phonology Research
2019 - Medknow | Journal of Indian Speech Language & Hearing Association
... building penetration loss is expected to approach 20 dB. Automobile reception in rural areas will be primarily affected ... 90 probability is the predominant source of degradation. Automobile reception in urban areas requires operating margins of 24-30 dB because of shadowing and multipath by large buildings. Based on the foregoing considerations, an e.i.r.p. from 66 to 79 dBW is required from a geostationary satellite to serve low-cost portable and automobile receivers in rural and urban environments.
Tópico(s): Wireless Communication Networks Research
1985 - Institute of Electrical and Electronics Engineers | IEEE Journal on Selected Areas in Communications
Sakthi Abirami B, Esther Florence Sundarsingh, A. Harshavardhini,
... efficiently when conformed to the windshield of an automobile. VSWR of 1.065 and an axial ratio of 1.81 dB at 1.575GHz are obtained.
Tópico(s): Microwave Engineering and Waveguides
2019 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Vehicular Technology
Praveen Kumar, Tanweer Ali, M. M. Manohara Pai, Sameena Pathan, Krishnamurthy Nayak, Taimoor Khan, Ahmed A. Kishk,
... by mounting the antenna onto an open-source automobile model, and the gain is determined to be more than 6.1 dB at the antenna's resonant frequencies.
Tópico(s): Ultra-Wideband Communications Technology
2024 - Elsevier BV | Results in Engineering
Ali R. Rezai, Per B. Sederberg, Jennifer Bogner, Dylan M. Nielson, Jun Zhang, W. Jerry Mysiw, Michael V. Knopp, John D. Corrigan,
... 6 to 21 years after severe TBIs from automobile crashes were included. Although alert and volitional, all experienced significant executive impairments, including either impulsivity or reduced initiation. DBS implants were placed bilaterally in the nucleus accumbens ...
Tópico(s): Functional Brain Connectivity Studies
2015 - Lippincott Williams & Wilkins | Neurosurgery
E.S. Siah, Kubilay Sertel, John L. Volakis, Valdis V. Liepa, R. Wiese,
... apertures within a complex platform such as an automobile. The proposed methods have shown to increase shielding by as much as 5-35 dB within the frequency range of interest.
Tópico(s): Advanced Antenna and Metasurface Technologies
2003 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Electromagnetic Compatibility
Jordan Cheer, Stephen J. Elliott, Marcos F. Simón Gálvez,
... a personal audio system was implemented in an automobile cabin using the dual arrays; performance was consistent with the simulations. A contrast of 15 dB between bright and dark seats was possible.
Tópico(s): Hearing Loss and Rehabilitation
2013 - Audio Engineering Society | Journal of the Audio Engineering Society
Shuai Wang, Qizhong Qin, Lu Liu, Lingli Han, Yu Chen,
... 90 dB (A) and non-noisy group ≤70 dB (A). We performed this research in an automobile manufacturing company of Chongqing, China during 2011-2012. ...
Tópico(s): Air Quality and Health Impacts
2013 - Scientific Research Publishing | Journal of Biomedical Science and Engineering
Yoshiharu Nakaji, A. Kinoshita,
... Guidelines were developed for applying this technique to automobiles. ANC was found to be capable of reducing booming noise by more than l0 dB.
Tópico(s): Acoustic Wave Phenomena Research
1993 - Japan Society Mechanical Engineers | TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C
Kent L. Ramsey, F. Blair Simmons,
... measured the owner-adjusted acoustic outputs of 10 automobile stereo systems, with power ratings ranging between 150 and 600 watts. The sound levels ranged from 107 to 138 dB SPL and 84 to 108 dBA. Most of ...
Tópico(s): Hearing Loss and Rehabilitation
1993 - Wiley | Otolaryngology
Qiqi Li, Qihui Xiao, Xin Liu, Xilong Cheng, Cong Mao, Hongwei Hu,
... of high-strength steel are widely used in automobile body for their excellent impact resistance. To further improve the crashworthiness of DB, the concept of hierarchy is first introduced into ...
Tópico(s): Structural Response to Dynamic Loads
2023 - Elsevier BV | Aerospace Science and Technology
Anthony A. Mikulec, S B Lukens, Liz Jackson, Mary deYoung,
... by an average of 12.4–14.6 dB after opening the convertible top. Conclusion: Driving convertible automobiles at speeds exceeding 88.5 km/h, with ...
Tópico(s): Vehicle Noise and Vibration Control
2010 - Cambridge University Press | The Journal of Laryngology & Otology
James E. Saunders, William H. Slattery, William M. Luxford,
... A review of the available research in the automobile industry indicates that the peak amplitude of this noise may exceed 170 dB sound-pressure level. Despite the increasingly wide application of airbags in automobiles, there have been no previous reports of airbag- ...
Tópico(s): Hearing Loss and Rehabilitation
1998 - Acoustical Society of America | The Journal of the Acoustical Society of America
... listening room, early reflections improve SI in the automobile by a best-ear STI (SRT) increase (decrease) of up to 0.3 (7.7 dB). The speaker deviating from the listener signifies that ... of SI with various speaker orientations in the automobile was greatly reduced compared with that in the listening room, with a best-ear STI (SRT) variation of no more than 0.1 (2.7 dB). Overall, the speaker orientation mostly does not affect SI except when the speaker is facing the listener due to rich early reflections inside an automobile. Moreover, the comparison between the subjective and objective ...
Tópico(s): Speech and Audio Processing
2023 - Elsevier BV | Applied Acoustics
Craig D. Newgard, K.A. Martens, Evelyn Lyons,
... 17. Severy, DM, Mathewson, JH, Bechtol, CO. Controlled automobile rear-end crashes, an investigation of related engineering and medical phenomena. Can Serv Med J. 1955; 11: 727– 59. Miller, DB. Low velocity impact, vehicular damage and passenger injury. ...
Tópico(s): Traffic and Road Safety
2002 - Wiley | Academic Emergency Medicine
Shuming Chen, D. F. Wang, Jianming Zan,
... and development stage. The interior noise of the automobile was predicted and verified at speed of 120 km/h. The predicted and tested overall SPLs of the interior noise were 73.79 and 74.44 dB(A) respectively. The comparison results also show that the prediction precision is satisfied, and the effectiveness and reliability of the hybrid FE‐SEA model of the automobile is verified.
Tópico(s): Aerodynamics and Acoustics in Jet Flows
2011 - Hindawi Publishing Corporation | Mathematical Problems in Engineering
Roland Aubauer, Dieter Leckschat,
... in telecommunication. The microphone is evaluated in an automobile environment with the help of a speaker-dependent single-word recognizer and is compared with lower-order gradient microphones. The noise robustness of the speech recognizer is improved by at least 4.7 dB, provided the microphone is in an optimum position. ...
Tópico(s): Acoustic Wave Phenomena Research
2001 - Elsevier BV | Speech Communication
... results show that the maximum level of the automobile's scattering pattern reaches -10 to -22 dB compared with the incident wave intensity. This indicates ...
Tópico(s): Energy Harvesting in Wireless Networks
1990 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Vehicular Technology
... was measured both inside and outside a closed automobile. The over-all level outside was 88 db at 50 feet and 74 db at 300 ... level, 72 phons) at 50 feet and 50 db (loudness level, 54 phons) at 300 feet. Filtering out overtones above 1200 cps improved the quality of horn sounds markedly, reducing the loudness level inside the automobile by four phons at 50 feet, but only ...
Tópico(s): Acoustic Wave Phenomena Research
1951 - Acoustical Society of America | The Journal of the Acoustical Society of America