Results 41 to 50 of about 8,993,179 (354)

ON INDIVIDUAL, SEX AND AGE DIFFERENTIATION OF INDIAN HOUSE CROW (CORVUS SPLENDENS) CALL: A PRELIMINARY STUDY IN POTOHAR, PAKISTAN

open access: yesJournal of Bioresource Management, 2014
Considering importance of acoustics studies in population biology, 500 calls of the Indian House Crow (Corvus splendens) were recorded in morning - mid-afternoon hours (January-February, 2009) from 23 sites of urban areas of Potahar (Punjab, Pakistan).
Waqas Hameed   +4 more
doaj   +1 more source

Preoperative voice analysis and survival outcomes in papillary thyroid cancer with recurrent laryngeal nerve invasion

open access: yesFrontiers in Endocrinology, 2022
ObjectiveTo investigate the clinicopathological characteristics of papillary thyroid cancer (PTC) and identify risk factors for postoperative recurrence of PTC with recurrent laryngeal nerve (RLN) involvement.MethodsIn total, 171 patients (112 women and ...
Jiaming Chen   +11 more
doaj   +1 more source

Voice Traces of Anxiety: Acoustic Parameters Affected by Anxiety Disorder

open access: yesArchives of Acoustics, 2018
Although the emotions and learning based on emotional reaction are individual-specific, the main features are consistent among all people. Depending on the emotional states of the persons, various physical and physiological changes can be observed in ...
Turgut Özseven   +3 more
semanticscholar   +1 more source

An Evaluation of Room Acoustics in Rooms Used for Turkish Melodic Music

open access: yesMegaron, 2015
Developing since the early 1920s, the discipline of room acoustics has made important strides in correlating subjective and objective, or measurable, values for music rooms.
Aslı Özçevik, Zerhan Yüksel Can
doaj   +1 more source

Long-Distance Counter Calling in Maned Wolves: Friends or Foes?

open access: yesAnimals, 2022
Maned wolves (Chrysocyon brachyurus) are monogamous and display biparental care for their young, although adults rarely spend time in close proximity. To better understand vocal interactions of maned wolves over long-distances, we passively recorded >10 ...
Luane S. Ferreira   +7 more
doaj   +1 more source

New consonantal acoustic parameters for forensic speaker comparison [PDF]

open access: yes, 2012
This thesis examines acoustic parameters of five consonants /m, n, ŋ, l, s/ in two dialects of British English: Standard Southern British English and Leeds English.
Kavanagh, Colleen
core  

Prediction of Surface Topography Parameters in Direct Laser Interference Patterning of Stainless Steel Using Infrared Monitoring and Convolutional Neural Networks

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents an infrared monitoring approach for direct laser interference patterning (DLIP) combined with a convolutional neural network (CNN). Thermal emission data captured during structuring are used to predict surface topography parameters.
Lukas Olawsky   +5 more
wiley   +1 more source

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal   +2 more
wiley   +1 more source

Headphone-To-Ear Transfer Function Estimation Using Measured Acoustic Parameters

open access: yesApplied Sciences, 2018
This paper proposes to use an optimal five-microphone array method to measure the headphone acoustic reflectance and equivalent sound sources needed in the estimation of headphone-to-ear transfer functions (HpTFs).
Jinlin Liu   +3 more
doaj   +1 more source

Acoustical Parameters of Polyvinyl Alcohol

open access: yesJournal of Mountain Research, 2021
Ultrasonic investigation provides a wealth of information in understanding the intermolecular interaction of solute and solvent. An attempt has been made to measure density, viscosity and ultrasonic velocity of aqueous solution of polyvinyl alcohol of molecular weight approximately 140,000 at different temperatures 35οC, 40oC, 45οC, 50oC, 55οC, 60oC ...
Richa Saxena   +3 more
openaire   +1 more source

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