Articles tagged with Sound
A University of Maryland study reveals how the brain adapts to different listening situations, with the orbitofrontal cortex playing a central role. The findings may have implications for human health and well-being, particularly in conditions such as autism, dyslexia, or schizophrenia.
Researchers discovered that male mosquitoes listen for specific sound frequencies made by females of their own species to avoid mating with the wrong species. This finding has implications for developing innovative mosquito control strategies using artificial flight sounds. The study aims to prevent mosquito populations from reaching u...
Researchers found that dogs matched their emotional state with the content of human vocalizations, while pigs exhibited stress behaviors to unusual humming sounds. This suggests that domestication may have facilitated emotional contagion in dogs.
Researchers found that infants in English-learning environments were exposed to more spoken language than music, with the gap widening as they get older. The study used daylong audio recordings collected from home environments and crowdsourced annotations through Zooniverse, closing the gap on past studies that relied on parental reports.
A study of 370 patients undergoing elective surgery found that those with higher levels of awareness about anesthesia had better understanding of general and local anesthesia. Patients who underwent surgeries related to eyes, nose, and throat scored higher on the knowledge test due to limited sources of information.
Researchers analyzed 130 English-learning infants' vocalizations and found significant cluster patterns of squeals and growls, indicating active play and sound practice. These findings suggest that infant vocal category exploration is a fundamental pathway for language development.
Studies led by the University of Texas at Austin researchers found that bird song and human voice share a common genetic link, with the syrinx and larynx having similar developmental programming. This discovery highlights the shared ancestry between birds and humans in terms of vocal organ structure.
A University of Washington team has developed an AI system called Target Speech Hearing that cancels all other sounds and plays the enrolled speaker's voice in real time. The system was tested on 21 subjects, who rated the clarity of the enrolled speaker's voice nearly twice as high as the unfiltered audio on average.
A new study developed a Touch-Motion Algorithm to explore tactile sensation with spatial components, enabling participants to localize 3D motion through fingertips. The results demonstrated accurate integration of audio and tactile information in challenging environments, opening pathways for enhancing human perception and interaction.
Researchers developed AI-based headphones that selectively filter out specific sounds while preserving others. This technology uses a smartphone-based neural network trained to identify 20 different environmental sound categories, allowing users to choose what to hear.
A recent survey on aircraft noise and annoyance conducted during the pandemic era reveals flaws in existing methods to assess and mitigate noise impacts. The study suggests that annoyance levels are a proven correlation to overall noise levels, contradicting current industry practices.
Researchers analyzed the calls of two male emperor penguins, E-79 and E-81, and discovered a unique combination of masculine and feminine characteristics. This finding could lead to new methods for studying penguin behavior and assessing their reproductive state, which is crucial for conservation efforts.
Acoustic experts reduce noise levels in a high-end salon, improving conversation ease and protecting employees' hearing. The successful solution can be applied to other salons, restaurants, stores, and conference centers to enhance clear communication and occupational safety.
A new study reveals that neural activity related to sound detection and movement are temporally separated but share commonalities, with neurons adapting their activity based on experience. The findings shed light on the brain's complex processing of sensory information and behavioral choices.
Men with prostate cancer who listened to mindfulness audio recordings during radiation therapy experienced significant reductions in fatigue, sleep problems, anxiety, and depressive symptoms. The study found that the mindfulness intervention was more effective than listening to relaxing music during treatment.
Researchers discovered lemurs possess an additional pair of vocal folds, which they believe is responsible for enriching their vocal repertoire and allowing them to exaggerate their size. This adaptation may have provided a selective advantage in competition for territory or mates.
A new study by Heriot-Watt University found that large groups of spectator boats can create loud and sustained noise impacting marine mammals, fishes, and invertebrates. The research suggests event organizers should limit the potential impacts of underwater noise from motorized vessels.
New research at Hokkaido University reveals that acoustic fat bodies in toothed whales were once jaw muscles and bone marrow. The findings suggest an evolutionary tradeoff between auditory and feeding ecology, leading to the loss of chewing muscles and adaptation to echolocation.
A new study found that fluctuations in music chord predictions evoke specific bodily sensations, particularly in the heart and abdomen. Researchers also discovered a link between these sensations and feelings of pleasure, which could have applications for using music to improve well-being.
Researchers at UMass Amherst have identified the most effective AI method for monitoring insect populations using bioacoustics, with deep learning models achieving high accuracy. The study found that machine and deep learning are becoming the gold standards for automated bioacoustics modeling.
Researchers found a brainstem region that regulates breathing rhythm, ensuring breathing remains dominant over speech. The circuit also involves premotor neurons in the hindbrain region called the retroambiguus nucleus (RAm), which are activated during vocalization.
A study of 2,349 participants aged over 60 found that sex influences the association between various factors and age-related hearing loss. Low weight was linked to increased risk in males, while both low weight and obesity were associated with higher risks in females. Smoking was only linked to increased risk in males, while early mens...
A novel AI-based noise suppression system has been developed to improve the effectiveness of search and rescue drones during natural disasters. The system uses Generative Adversarial Networks (GANs) to accurately learn UAV propeller sound data and eliminate noise, allowing operators to clearly hear and recognize human sounds.
The study investigates how different genes related to autism spectrum disorders affect the brain's neural circuits, resulting in heightened sensitivity to sounds. The researchers aim to identify a potential biomarker for sensory hypersensitivity and develop treatments using optogenetics and minocycline.
A new study challenges traditional Western music theory by showing that participants prefer chords with slight deviations from mathematical ratios, and that unfamiliar instruments like the 'bonang' offer new patterns of consonance. The research encourages musicians to experiment with different instruments and explore new harmonies.
A recent study published in PLOS Biology found that the human brain can segregate direct speech from its echo, allowing for reliable recognition of echoic speech. This neural separation is essential for understanding conversations in noisy environments and is supported by magnetoencephalography recordings.
Researchers at the University of Pittsburgh have discovered a molecular mechanism behind noise-induced hearing loss, which affects millions of Americans. They found that excess zinc in the inner ear causes cellular damage and disrupts normal cell communication, leading to hearing loss.
A new app, MindEar, has shown promising results in reducing tinnitus symptoms in just weeks through a combination of cognitive behavioral therapy, mindfulness, and relaxation exercises. The app is now available for individuals to trial on their smartphones, offering hope for millions affected by tinnitus.
Research has shown that most people cradle babies in the crook of their left arm, as this allows for better sound quality and emotional connection. The theory suggests that this is because the heart is on the left side and humans perceive information faster with their left ear.
Research reveals that the midbrain of midshipman fish initiates and patterns sounds used in vocal communication. The findings suggest a functional comparable periaqueductal gray node between fish and mammals, which can influence acoustic structure of social context-specific vocal signals.
A University of Queensland study found humans can correctly identify the emotional context of chickens' clucks, with 69% accuracy. The ability to detect emotional information from vocalisations could improve the welfare of farmed chickens.
A comprehensive digital database has been created to document over 20,000 species known to produce sounds underwater, including 729 confirmed and 21,911 likely producers. This inventory can revolutionize marine science by providing valuable insights into species interactions and environmental impacts.
A new study from MIT shows that computational models trained on auditory tasks display an internal organization similar to the human auditory cortex. Models trained on diverse tasks and background noise more closely mimic brain activation patterns.
Researchers found that commercial ship noise completely masks Cook Inlet beluga whales' most commonly used calls, compromising their critical communication. The study documents the complex vocal repertoire of the population and provides a quantified measure of masking by ship noise on their communication.
Researchers found that honeyguides in Tanzania and Mozambique discriminate among human calls, responding more readily to local than foreign calls. This complex communication system benefits both species by increasing their chances of accessing calorie-dense honey and beeswax.
A new software algorithm intelligently combines vocals and instrumentals from different songs, mimicking professional music composition techniques. The result is a unique blend of pleasing lyrics and exciting instrumentals that appeal to listeners, particularly hip-hop fans.
A team of researchers has created an audio feedback system that uses neuromorphic cameras and speaker arrays to provide real-time audio cues in three dimensions. The system enables blind players to track the ball and movements, allowing them to play table tennis with greater accuracy.
The article discusses the importance of acoustic design in prison environments, where constant noise is harmful to both prisoners and staff. By incorporating speech intelligibility, strategic noise reduction, and privacy considerations, acoustic design can improve communication dynamics and alleviate negative social interactions.
Researchers found that the key to bundengan sound quality is in its bamboo culm sheaths, which change shape when wet and vibrate together. The instrument's performance is improved when played in the rain, providing a unique acoustic experience.
Researchers analyzed a large database of languages to verify the relationship between climate and language sound. They found that languages around the equator tend to have higher sonority indexes, but some exceptions exist, such as Mesoamerica and Mainland Southeast Asia.
Dr. Ning Zhang's AntiFake tool uses adversarial techniques to make it difficult for AI tools to read voice recordings, preventing synthesis of deceptive speech. The tool has achieved over 95% protection rate against state-of-the-art speech synthesizers and is accessible to diverse populations.
Researchers found that acoustic stimulation improved postconcussive symptoms in individuals with mild traumatic brain injury, although the benefits were largely sustained. The study's results suggest that listening to acoustic stimulation based on brain electrical activity may not improve symptoms more than randomly generated sound sti...
A team of researchers at Tampere University and Eastern Washington University used weather records to validate the effectiveness of musical characteristics in enhancing data interpretation. The study found that musical sounds can be a powerful complement to traditional data visualization methods.
Researchers developed 'acoustic touch' smart glasses that translate visual information into distinct sound icons, enhancing the ability of blind or low-vision individuals to navigate their surroundings. The technology significantly improved object recognition and reaching abilities, empowering independence and quality of life.
Researchers at UEA have proposed a new method to investigate quantum-mechanical processes in molecules using quantum light. The study shows that phonon signatures can be detected in photon correlations, providing a toolbox for studying quantum sound interactions.
A study by Jonathan Middleton demonstrates how digital data can be transformed into sounds, enhancing engagement with complex data points. The custom-built 'data-to-music' algorithm validates a 'fourth dimension' in data interpretation through musical characteristics.
Researchers used AI models to analyze animal sounds in reforested areas, finding that vocalizing species communities mirror biodiversity recovery. The study suggests potential applications for monitoring biodiversity and could lead to certifications or credits for environmental projects.
Researchers created an inexpensive and effective sound insulation panel using pingpong balls as Helmholtz resonators, capturing ambient sound waves at their natural frequency. The design allows for adjustable acoustic properties and potential applications in various functionalities.
A team of neuroscientists has identified specific neurons in the auditory cortex that only respond to sounds that violate expectations, sending a message that a mistake has been made. These 'prediction-error neurons' may play a vital role in learning how to speak or play musical instruments.
A recent study found that animals in the Greater Kruger National Park react with alarm to hearing human voices, fleeing waterholes and abandoning their habitat. The researchers used custom sound systems to compare the fear response of mammals to humans versus lions.
Researchers discovered that monk parakeets possess a unique tone of voice, known as a voice print, similar to humans. This finding raises the possibility that other vocally flexible species may also have a voice print.
The UW team's system uses self-deploying microphones to divide rooms into speech zones and track the positions of individual speakers. The robots disperse as far from each other as possible, allowing for greater sound control and isolating specific areas or separating simultaneous conversations.
New research finds that pied tamarins increase scent marking in response to urban noise pollution, which affects their vocal communication. This adaptation may help them cope with the impact of human activity on their habitat.
A new project by JooYoung Seo at the University of Illinois School of Information Sciences aims to make data curation more accessible for everyone, regardless of abilities. The three-year grant will connect multimodal data representation with day-to-day reproducible workflows, enriching understanding and offering multiple perspectives.
Researchers found that phytosterols can reverse age-related hearing loss in mice by replenishing cholesterol in sensory cells. The study suggests that these plant-based compounds could be a convenient way to combat age-related hearing loss.
Scientists successfully reconstructed recognizable versions of Pink Floyd's 'Another Brick in the Wall, Part 1' using nonlinear modeling to decode brain activity. The study identified a unique region in the Superior Temporal Gyrus (STG) responsible for rhythm perception, with electrodes from this region crucial for accurate reconstruct...
A new study reveals that mosquitoes use a specific receptor in their ears to modulate their hearing, which is crucial for reproduction and mating. This discovery could lead to the development of novel insecticides or mating disruptors to control mosquito populations and reduce human disease.
A new study reveals that reptiles demonstrate spontaneous associations between visual and auditory information, including tortoises associating low sounds with large shapes and high pitch sounds with small shapes. This discovery shows how brains are prepared to predict visuo-acoustic correspondences likely to occur in the natural world.
Acoustics researchers have decomposed sound into its three basic components, whistles, clicks, and hisses, using ideas from auditory perception, fuzzy logic, and perfect reconstruction. The new method emerges as the winning way to decompose most sounds in a listening test.
A team of philosophers and psychologists found that people can literally hear moments of silence, producing the same auditory illusions as sounds. The study suggests that our brains treat silences similarly to sounds, blurring the line between hearing and absence.