OOIR: Observatory of International Research

Papers

(The H4-Index of Applied Acoustics is 42. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-11-01 to 2024-11-01.)

Article	Citations
Fault diagnosis of angle grinders and electric impact drills using acoustic signals	134
Design, fabrication and sound absorption test of composite porous metamaterial with embedding I-plates into porous polyurethane sponge	120
An underwater metamaterial for broadband acoustic absorption at low frequency	114
Improved speech emotion recognition with Mel frequency magnitude coefficient	106
Spectral images based environmental sound classification using CNN with meaningful data augmentation	101
Intelligent fault diagnosis of hydraulic piston pump combining improved LeNet-5 and PSO hyperparameter optimization	99
The detection of Parkinson disease using the genetic algorithm and SVM classifier	95
Underwater target recognition using convolutional recurrent neural networks with 3-D Mel-spectrogram and data augmentation	88
Complex band structure and evanescent Bloch wave propagation of periodic nested acoustic black hole phononic structure	86
Elastic wave modulation of double-leaf ABH beam embedded mass oscillator	85
A new pyramidal concatenated CNN approach for environmental sound classification	83
Acoustic and ultrasonic techniques for defect detection and condition monitoring in water and sewerage pipes: A review	83
Glance and gaze: A collaborative learning framework for single-channel speech enhancement	78
Low-frequency sound absorption of a metamaterial with symmetrical-coiled-up spaces	76
A novel complexity-based mode feature representation for feature extraction of ship-radiated noise using VMD and slope entropy	74
Attention guided 3D CNN-LSTM model for accurate speech based emotion recognition	72
A modified feature selection method based on metaheuristic algorithms for speech emotion recognition	72
A sound based method for fault detection with statistical feature extraction in UAV motors	71
Acoustic signal-based fault detection of hydraulic piston pump using a particle swarm optimization enhancement CNN	65
A systematic review of prediction models for the experience of urban soundscapes	62
Effect of pitch enhancement in Punjabi children's speech recognition system under disparate acoustic conditions	60
Epileptic seizure detection using 1 D-convolutional long short-term memory neural networks	60
A lightweight multilayer honeycomb membrane-type acoustic metamaterial	59
Depression recognition based on the reconstruction of phase space of EEG signals and geometrical features	59
Variability of room acoustic parameters with thermo-hygrometric conditions	57

Does social perception data express the spatio-temporal pattern of perceived urban noise? A case study based on 3,137 noise complaints in Fuzhou, China	55
Aeroacoustic design and characterization of the 3D-printed, open-jet, anechoic wind tunnel of Delft University of Technology	55
A Fourier transform based audio watermarking algorithm	55
Experimental investigation of underwater locally multi-resonant metamaterials under high hydrostatic pressure for low frequency sound absorption	52
Intelligent worm gearbox fault diagnosis under various working conditions using vibration, sound and thermal features	51
Laplacian score and K-means data clustering for damage characterization of adhesively bonded CFRP composites by means of acoustic emission technique	51
Indoor soundscapes at home during the COVID-19 lockdown in London – Part I: Associations between the perception of the acoustic environment, occupantś activity and well-being	50
Design of digital IIR filter: A research survey	49
Properties of PMN-PT single crystal piezoelectric material and its application in underwater acoustic transducer	48
Artificial neural network-based models for predicting the sound absorption coefficient of electrospun poly(vinyl pyrrolidone)/silica composite	48
Rice plant waste reinforced polyurethane composites for use as the acoustic absorption material	47
Membrane-type acoustic metamaterial using cork sheets and attached masses based on reused materials	46
A non-invasive continuous cuffless blood pressure estimation using dynamic Recurrent Neural Networks	45
DOA estimation based on CNN for underwater acoustic array	45
Effects of environmental sound quality on soundscape preference in a public urban space	44
Integrated neural networks based on feature fusion for underwater target recognition	43
Natural fibro-granular composite as a novel sustainable sound-absorbing material	42
Feature extraction using Discrete Wavelet Transform for fault classification of planetary gearbox – A comparative study	42