Articles tagged with Sound
Researchers have created an acoustic model of the Parasaurolophus' crest, a unique feature of the duck-billed dinosaur. The model replicates the sounds produced by the crest, providing insights into the animal's communication and social behavior.
A new study found that speech sounds have texture and shape to them, with R sounds associated with roughness and L sounds with smoothness. The research showed strong tendencies for matching trilled R sounds with jagged lines and L sounds with straight lines across cultures.
Researcher Ashley Snow found that pipe organs create an auto-tune effect through sympathetic resonance, enhancing the overall musical sound of ensembles. The study used a sine-sweep test to measure response with microphones inside and around the organ pipes during performances and services.
Researchers created digital reconstructions of Aztec death whistles and found they produce unique air turbulence, creating a chilling sound. Listeners perceived the whistle's sound as natural and organic, similar to human voices or screams, suggesting a symbolic association with mythological entities.
Researchers aim to shed light on how hearing impairment affects auditory perception, particularly in complex environments. They will use animal models to examine neural mechanisms contributing to difficulties in sound localization.
Researchers at the University of Washington have developed a headphone prototype that can create 'sound bubbles' around the wearer, allowing them to focus on conversations without external noise. The system uses AI algorithms and machine learning to track sound sources and suppress distant noises.
Researchers compared vowels in pain, disgust, and joy interjections to nonlinguistic vocalizations across 131 languages. They found consistent vowel signatures for pain and disgust, but not for joyful emotions.
A groundbreaking study from Queen Mary University of London uncovers the role of music and soundscapes in toy advertising, revealing how they convey and reinforce gender stereotypes. The research highlights the need for more comprehensive regulation to address the societal implications of these messages.
Researchers found that newborns' brains can distinguish correct from incorrect sound sequences using language-related networks. This suggests that early learning experiences may be crucial for forming these networks.
A new article investigates whether auditory magic tricks can be created for a blind audience, finding that the brain processes visual and auditory information differently. This study underscores the importance of making magic more inclusive for people with blindness.
Researchers found that humans slow their speech when talking to dogs to match the pets' receptive abilities, allowing for better understanding of commands. The study also revealed that dogs respond well to slower tempos and prosody in human speech.
A scoping review from the University of Gothenburg found that music-based movement therapy, known as the Ronnie Gardiner Method, can improve rehabilitation outcomes in individuals with brain disorders. The method has been shown to be challenging, motivating, and enjoyable for participants, leading to improved recovery and quality of life.
Researchers found that non-lawyers use complex legalese when writing laws, and it signals a sense of authority. The 'magic spell hypothesis' suggests that this style is used to convey power and legitimacy, making documents more difficult to understand.
A new study published in Optometry and Vision Sciences found that people with early vision loss are less accurate at estimating the distance of sound compared to those who lose sight later in life. This difficulty can have safety implications, such as judging distances while crossing roads.
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.
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 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.
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.
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.
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 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.
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 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.
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.
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.
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.
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.
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.
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.