Sound is a type of mechanical wave that travels through a medium, such as air, water, or solid materials, as a result of vibrations. These vibrations create pressure changes in the medium, which our ears detect and interpret as sound. Key characteristics of sound include: 1. **Frequency**: This refers to the number of vibrations or cycles per second, measured in Hertz (Hz). Frequency determines the pitch of a sound; higher frequencies correspond to higher pitches.
"Audible medical signs" refer to sounds that can be heard during a medical examination and may provide information about a patient's health status. These sounds can be associated with various physiological processes or conditions. Some common examples include: 1. **Heart Sounds**: The heart produces sounds during its cycle, typically referred to as "lub" (first heart sound) and "dub" (second heart sound). Abnormalities in these sounds may indicate issues like murmurs or valve problems.
There are several fictional characters across various media who possess the ability to manipulate sound. Here are a few notable examples: 1. **Banshee (Marvel Comics)** - A mutant superhero with the ability to unleash a sonic scream that can cause physical harm, incapacitate enemies, or even allow him to fly. 2. **Black Canary (DC Comics)** - Known for her "Sonic Scream," Black Canary can emit powerful sound waves that can knock out opponents and shatter objects.
Noise can refer to several concepts depending on the context in which it is used. Here are a few common interpretations: 1. **General Definition**: Noise generally refers to unwanted or disruptive sounds. It can be anything from background chatter, traffic sounds, or construction noise that interferes with effective communication or concentration. 2. **Scientific and Technical Context**: In fields like physics and engineering, noise refers to random fluctuations or disturbances in a signal that can distort the intended information.
"Sound" can refer to various concepts, including geographical sounds (natural features), types of music, or even specific "sounds" that are characteristic of a culture. Here are a few interpretations: 1. **Geographical Sounds**: In geography, "sound" refers to a large sea or ocean inlet. For example: - **Puget Sound**: Located in the U.S. Pacific Northwest. - **Long Island Sound**: Located between Long Island and Connecticut.
Sound production refers to the process by which sound is generated and manipulated. This can occur in various contexts, including music, acoustics, and audio engineering, and involves a range of techniques and technologies. Here are some key aspects of sound production: 1. **Basic Principles**: Sound is produced through vibrations, which create pressure waves in a medium, usually air. These vibrations can come from various sources, such as musical instruments, human voices, or other objects.
Sound technology encompasses a variety of techniques, systems, and devices that utilize sound for different applications. It can be broadly categorized into several areas: 1. **Audio Engineering**: This includes the recording, mixing, and reproduction of sound. Audio engineers work with equipment and software to capture sound in studios or live settings, manipulating it to achieve high-quality audio for music, film, television, and other media.
"Sounds by type" typically refers to a classification system for audio or sound elements based on their characteristics, purpose, or context. This can apply to various fields, including music, sound design, audio engineering, and other areas where sound plays a crucial role. Here are some common categories of sounds by type: 1. **Natural Sounds**: These include sounds produced by nature, such as birds chirping, water flowing, thunder, and wind rustling through trees.
Stereophonic sound, commonly referred to as stereo, is a method of sound reproduction that uses two or more independent audio channels to create an impression of a multi-directional audio experience. This technique is designed to replicate the way humans naturally hear sounds in the environment, with the ability to perceive spatial locations of sounds, enhancing the realism and depth of audio playback. In a stereo system, sounds are recorded and played back through at least two channels: typically a left channel and a right channel.
Supersonic aircraft are planes that can travel faster than the speed of sound, which is approximately 343 meters per second (1,125 feet per second) at sea level and at standard atmospheric conditions. This speed is often referred to as Mach 1. Supersonic speeds begin from Mach 1 and can go much higher, with specific aircraft designed to reach speeds of Mach 2, 3, or even more.
"Unidentified sounds" can refer to a variety of phenomena, often characterized by noises or audio signals that cannot be immediately recognized or attributed to a known source. These sounds can occur in different contexts, including: 1. **Paranormal Context**: In paranormal investigations, unidentified sounds might be associated with ghostly activity, supernatural occurrences, or unexplained noises that challenge conventional explanations.
AES11, developed by the Audio Engineering Society (AES), is a standard that provides guidelines for the measurement of digital audio systems, particularly for evaluating the performance of digital audio equipment and systems. Specifically, AES11 focuses on the measurement of the frequency response, distortion, and other relevant parameters to ensure that digital audio signals are processed accurately and effectively. The standard outlines various test signals and measurement techniques that can be used to assess the performance of digital audio systems.
AES3, also known as AES/EBU (Audio Engineering Society/European Broadcasting Union), is a digital audio transmission standard used for the exchange of two-channel (stereo) audio signals over a balanced line. The standard specifies how digital audio data can be transmitted using a serial bitstream, typically over a balanced XLR cable.
Aeolian sound refers to sound that is produced by the movement of air, particularly wind, interacting with objects in the environment. The term "Aeolian" is derived from Aeolus, the ancient Greek god of the winds. Aeolian sounds can occur naturally, such as the whistling of wind through trees, the rustling of leaves, or the sound of wind blowing across open landscapes, including hills and dunes.
Aircraft noise pollution refers to the unwanted or harmful sounds generated by aircraft during various phases of flight, including takeoff, landing, and while in-flight. This noise can originate from various sources, including: 1. **Engines**: The noise produced by jet engines or propellers is the primary source of aircraft noise. 2. **Aerodynamic Noise**: As aircraft move through the air, they generate noise due to the airflows over their wings, fuselage, and other structures.
"Alignment level" can refer to different concepts depending on the context in which it is used. Here's a brief overview of some of the primary meanings: 1. **Gaming and Role-Playing:** In many tabletop role-playing games (like Dungeons & Dragons), alignment refers to a character's ethical and moral perspective, typically represented on two axes: law vs. chaos and good vs. evil. Each character has an alignment (e.g.
The "Brown Note" is a hypothetical infrasonic frequency that is said to cause uncontrollable bowel movements in individuals who hear it. The concept originated from urban legends and has been popularized in various forms of media, including television shows like "South Park." Scientifically, the actual existence of a specific frequency that can induce such a physiological response has not been demonstrated.
Cartwright Sound is a significant geographical feature located in Northern Labrador, Canada. It is an inlet of the Atlantic Ocean, situated within the larger area of the Labrador Sea. The sound serves as a natural harbor and is characterized by its rugged coastline and surrounding wilderness. This area is known for its natural beauty and is part of the broader ecological and cultural landscape of Labrador.
"Comic sound" typically refers to sound effects or audio elements that are used in comic books, graphic novels, and animated media to enhance storytelling and convey action, emotions, and humor. These sounds are often represented by onomatopoeic words like "Bam!", "Pow!", "Zoom!", and "Crash!" which visually depict the sounds associated with events or actions in the storyline.
A constant spectrum melody refers to a type of musical structure where the frequency content remains relatively stable over time, often maintaining a consistent set of pitches or tonal relationships rather than traditional melodic variation. This concept can be applied in various contexts, including contemporary music, minimalism, and experimental compositions. In a constant spectrum melody, the emphasis might be placed on the sustained or repeated elements rather than dramatic changes in pitch or rhythm. This creates a sense of continuity and can evoke a particular mood or atmosphere.
Delayed auditory feedback (DAF) is a phenomenon and a technique used primarily in speech therapy, research, and various communication studies. It occurs when a person's speech is fed back to them with a slight delay—usually measured in milliseconds. This delay can affect how individuals perceive and produce speech. In a controlled environment, DAF is often used as a tool to help individuals who stutter. The delayed feedback can disrupt the normal flow of speech, which may lead to changes in speech patterns.
Digital recording refers to the process of capturing audio or video signals in a digital format. Unlike analog recording, where sound waves are represented as continuous waveforms, digital recording captures the signals as discrete samples. This involves converting sound waves into binary data (0s and 1s) through a process called analog-to-digital conversion (ADC). Key components and concepts of digital recording include: 1. **Sampling**: The continuous sound wave is sampled at specific intervals.
EIAJ MTS refers to a standard for video tape formats developed by the Electronic Industries Association of Japan (EIAJ). Specifically, MTS stands for "Multi-Track System," and it was used primarily for video recording and playback in professional and consumer applications. The EIAJ MTS standard includes various specifications for tape width, recording methods, and track configuration. It enabled improved compatibility among devices and enhanced the quality of video recordings.
Electrical tuning refers to the process of adjusting the electrical properties of a device or circuit to achieve a desired performance or operational characteristic. This can involve modifying parameters such as frequency, impedance, voltage, or other electrical characteristics. In different contexts, electrical tuning can have specific meanings: 1. **Radio and Communication Systems**: In radio technology, electrical tuning pertains to the adjustment of radio receivers to specific frequencies to select desired channels or signals while filtering out others.
Estevan Sound is likely a reference to a specific musical entity, project, or label associated with Estevan, a city in Saskatchewan, Canada. It may focus on local artists, music events, or the promotion of the Saskatchewan music scene.
"Growling" can refer to different contexts depending on the setting. Here are a few common interpretations: 1. **Animal Behavior**: In the animal kingdom, particularly among canines like dogs or wolves, growling is a vocalization that can indicate a range of emotions, including fear, aggression, or a warning to stay away. It serves as a communication tool among animals.
In audio signal processing, "headroom" refers to the amount of available space in the audio signal level before distortion occurs. It is a crucial concept in both recording and playback systems, helping to ensure that audio signals are processed cleanly without clipping or distortion.
High-resolution audio (HRA) refers to audio files or formats that have a higher sampling rate and bit depth compared to standard CD-quality audio. While CD-quality audio typically has a sampling rate of 44.1 kHz and a bit depth of 16 bits, high-resolution audio can feature sampling rates up to 192 kHz or higher and bit depths of 24 bits or more.
High fidelity, often abbreviated as "hi-fi," refers to high-quality reproduction of sound or visual media that closely resembles the original source material. The term is commonly used in audio and music contexts but can also apply to visual media. Here are a few key aspects of high fidelity: 1. **Audio Quality**: In audio, high fidelity typically means that the sound reproduction is very faithful to the original recording, with minimal distortion, noise, and other artifacts.
The history of broadcasting is a rich and complex narrative that spans over a century, touching on technological advancements, cultural changes, and the evolution of media consumption. Here’s an overview of key developments in the history of broadcasting: ### Early Beginnings (Late 19th - Early 20th Century) - **Invention of Radio**: The foundations of broadcasting began with the invention of the radio in the late 19th century.
Humming can refer to several concepts, depending on the context: 1. **Musical or Vocal Humming**: This is the act of producing a musical sound with the voice while keeping the mouth closed. Humming can be a way to create melody, express feelings, or as a form of relaxation.
ITU-R 468 noise weighting is a standardized measurement technique used for assessing background noise levels in rooms, particularly in relation to audio and broadcast applications. This weighting is defined by the International Telecommunication Union (ITU) in its Recommendation ITU-R 468, which specifies a way to measure noise in environments where sound quality is critical, such as in studios, concert halls, or broadcasting facilities.
Immersion in the context of virtual reality (VR) refers to the degree to which a user is engaged and absorbed in a virtual environment. It is a critical aspect of the VR experience, enabling users to feel as though they are truly present in a digital world, often to the extent that they lose awareness of their physical surroundings.
Infrasound refers to sound waves that have frequencies below the lower limit of human hearing, typically defined as below 20 hertz (Hz). These low-frequency sounds can be generated by a variety of natural and man-made sources, including earthquakes, volcanic eruptions, ocean waves, heavy machinery, and even certain types of music. Infrasound can travel long distances and penetrate various materials more effectively than higher-frequency sounds.
In the context of audio effects processing, "Insert" refers to a method of applying audio effects directly onto a specific audio track or channel within a digital audio workstation (DAW) or mixing console. This technique allows for the real-time manipulation of the audio signal in the following ways: 1. **Direct Processing**: When an insert effect is applied, the audio signal is routed through the effect, which modifies the original sound before it continues to the output.
Intelligibility in communication refers to the degree to which spoken or written language can be understood by a listener or reader. It involves various factors that affect how effectively a message is conveyed and comprehended. Key aspects of intelligibility include: 1. **Clarity of Speech**: This includes pronunciation, articulation, and the use of appropriate vocabulary. Clear enunciation and avoiding overly complex language contribute to higher intelligibility.
International Sound Communication refers to the use of sound and auditory signals to convey messages or information across different languages and cultures. This concept can encompass a variety of fields, including music, sound design, and technology, where sound serves as a universal means of expression and communication. Some key aspects of International Sound Communication include: 1. **Music and Arts**: Music often transcends linguistic barriers, allowing people from different cultural backgrounds to connect emotionally and aesthetically.
Line level refers to a standard level of audio signal that is suitable for connecting audio equipment, such as mixers, amplifiers, and recording devices. Unlike microphone level signals, which are much weaker and require preamplification, line level signals are stronger and can be transmitted over standard audio cables without loss of quality.
A **matrix decoder** is a component or algorithm used in various fields, most commonly in digital communication, audiovisual systems, and data processing. The term can refer to more than one concept depending on the context: 1. **Digital Communication**: In the context of error correction, a matrix decoder is an algorithm used to decode messages that have been encoded using matrix-based error correction codes.
Minnaert resonance is a phenomenon observed in planetary atmospheres, particularly in relation to the oscillation of atmospheric pressure. It is named after the Dutch astronomer Marinus Minnaert, who studied how specific conditions in an atmosphere can lead to resonant phenomena. In the context of atmospheric science, Minnaert resonance occurs when there is a coupling between the oscillations of the atmosphere (such as sound waves) and the natural frequencies of the atmosphere itself.
Mix-minus is an audio engineering term often used in broadcasting and live sound environments. It refers to an audio signal configuration where the output mix sent to a specific destination (like a remote guest or commentator) includes all the audio sources minus the audio that is being sent to that destination, hence the term "mix-minus." ### How It Works: - **Mix**: The primary audio mix includes all sound sources—music, microphones, sound effects, etc.
Monaural, often abbreviated as mono, refers to sound reproduction that uses a single audio channel. This means that all audio signals are mixed together and played through a single speaker or a single channel in a stereo output. In contrast to stereo sound, which conveys audio across two channels (left and right), monaural sound does not provide spatial separation of audio elements. Monaural audio is commonly found in older recordings, some radio broadcasts, and certain telecommunication systems.
Multichannel Television Sound (MTS) is a system developed to provide multiple audio channels for television broadcasts, allowing for a richer audio experience. This technology is commonly associated with the delivery of stereo sound and additional audio channels, such as for surround sound or secondary audio services.
Music is an art form and cultural activity that involves the organization of sounds in time. It typically combines elements such as rhythm, melody, harmony, dynamics, and timbre to create a structured auditory experience. Music can convey emotions, tell stories, and serve various functions in society, such as entertainment, communication, rituals, and expression of identity.
NICAM (Near Instantaneous Companding Audio Multiplex) is a digital audio encoding system used in television broadcasting. It was developed to provide high-quality stereo audio alongside video signals, allowing for the transmission of multiple audio channels, including surround sound, alongside standard mono or stereo audio. NICAM was introduced in the 1980s and became widely adopted in Europe and other regions for broadcasting television.
PSPLab, or Power Systems Programming Lab, is a platform primarily used for studying and simulating power system operation and control. It often includes tools for modeling, analyzing, and optimizing power systems, helping students and engineers better understand the complexities of electrical grids, load flow analysis, fault analysis, stability studies, and more. The lab may feature various software tools and simulation environments, allowing users to create different power system scenarios and analyze their behavior under various conditions.
Palinacousis is a neurological condition characterized by the persistent auditory perception of sounds or voices that are not present in the environment. This phenomenon is often described as a type of auditory hallucination, where an individual hears echoes or repetitions of sounds, typically speech, even when there are no external stimuli. Palinacousis can be associated with various neurological conditions, such as epilepsy, traumatic brain injury, or other disorders affecting the auditory processing areas of the brain.
Phonetic reversal is a process in linguistics and sound manipulation where the sounds of a word or phrase are reversed in order. Instead of reversing the letters (which is called orthographic reversal), phonetic reversal focuses on the actual sounds produced. This means that the phonetic sequence of sounds is played back in the opposite order. Phonetic reversal is often used in various forms of audio manipulation, creativity in music, and sometimes in linguistic studies to explore sound patterns and phonetic relationships.
"Programme level" can refer to different contexts depending on the field or area of study. Here are some possible interpretations: 1. **Education**: In academic settings, "programme level" often refers to the academic stage or tier of a specific educational program, such as undergraduate, postgraduate, or doctoral levels. Each level may have different requirements, expectations, and curricula.
A Real-Time Analyzer (RTA) is a device or software application that measures and analyzes audio signals in real-time. It is commonly used in audio engineering, acoustics, broadcasting, and sound reinforcement environments to visualize the frequency content of audio signals. Key features of a Real-Time Analyzer typically include: 1. **Frequency Analysis**: RTAs display the frequency spectrum of audio signals, allowing users to see how different frequencies are represented in the sound.
"Recording consciousness" can refer to various concepts depending on context. Here are a few interpretations: 1. **Philosophical Perspective**: In philosophy, recording consciousness might relate to the exploration of how thoughts, experiences, and sensory perceptions can be captured and represented. This touches on questions of subjectivity, the nature of the self, and how consciousness can be documented or communicated.
The reflection phase change refers to the change in phase that occurs when a wave, such as a light wave or sound wave, reflects off a boundary or interface between two different media. This phenomenon is significant in fields like optics, acoustics, and telecommunications. The phase change that occurs upon reflection depends on the properties of the two media involved.
Sonic interaction design (SID) is a field that focuses on how sound and audio can be used to enhance the interaction between users and digital systems or products. It draws from various disciplines, including sound design, interaction design, user experience (UX), and human-computer interaction (HCI). The goal of sonic interaction design is to create meaningful auditory experiences that facilitate communication, provide feedback, and enrich user engagement.
A sonotrode is a component used in ultrasonic technology, specifically in applications such as ultrasonic welding, cutting, and cleaning. It serves as a tool that transmits ultrasonic vibrations from a generator through a transducer to the workpiece. Generally made of metal, the sonotrode is designed to resonate at a specific frequency, typically in the range of 20 kHz to several hundred kHz.
Sound-in-Sync is a company that specializes in providing audio post-production solutions and tools for the film and television industry. They are known for developing innovative software and technologies that facilitate sound design, audio mixing, and synchronization processes in the production workflows. Their products often focus on enhancing collaborative efforts in audio post-production and improving the overall efficiency of sound editing and mixing tasks.
Sound-on-film refers to a technology for recording and reproducing synchronized sound and image in motion pictures. This method embeds the sound track directly onto the film strip itself, allowing for the simultaneous projection of sound and image during film screenings. The sound can be in the form of an optical soundtrack (visual representation of audio signals) or a magnetic strip (where sound is recorded magnetically).
The term "sound barrier" refers to a concept in aerodynamics that describes the increase in drag and other aerodynamic effects experienced by an object as it approaches the speed of sound, which is approximately 343 meters per second (1,125 feet per second) in air at sea level and at standard atmospheric conditions.
Sound collage is an artistic technique that involves the assembly of various sound elements from different sources to create a new auditory composition. This can encompass a variety of sounds, including spoken word, music, ambient noise, and found sounds. The aim is often to evoke emotions, convey messages, or explore themes through the juxtaposition and layering of these diverse audio materials.
Sound localization in owls refers to their ability to accurately determine the direction and distance of sounds, which is a crucial skill for hunting prey, especially in low-light conditions. Owls have several specialized adaptations that enhance their auditory localization abilities: 1. **Asymmetrical Ears**: Many owl species have ear openings that are located at different heights on the head. This asymmetry allows them to detect sound from various angles, as sound waves reach each ear at slightly different times and intensities.
Sound multiplexing in broadcasting refers to a technique that allows multiple audio signals to be transmitted simultaneously over a single communication channel or medium. This method is particularly utilized in radio and television broadcasting, as well as in other forms of media delivery, to efficiently use bandwidth and provide listeners or viewers with a range of audio content. ### Key Concepts of Sound Multiplexing: 1. **Multiple Channels**: Sound multiplexing enables broadcasters to transmit several audio channels at once.
Sound symbolism refers to the idea that vocal sounds carry meanings that are not solely dependent on the conventions of language but are also related to the acoustic properties of the sounds themselves. This phenomenon suggests that certain sounds or phonetic features may be associated with specific meanings, emotions, or qualities, even across different languages.
A soundscape refers to the acoustic environment as perceived by humans, incorporating all the sounds that emanate from a particular location or setting. This concept encompasses a range of auditory elements, including natural sounds (like birds chirping, wind rustling, or water flowing), human-made sounds (such as traffic, machinery, or music), and even the absence of sound (silence).
The Speech Transmission Index (STI) is a quantitative measure used to assess the clarity and intelligibility of speech in a given acoustic environment. It is particularly important in fields such as acoustics, audio engineering, and telecommunications. The STI provides a standardized way to evaluate how well speech can be understood in different situations, such as in classrooms, auditoriums, or public spaces.
The speed of sound varies depending on the medium through which it is traveling. For elements in their solid, liquid, or gaseous states, the speed of sound can differ significantly. Below are some approximate speeds of sound for various elements at room temperature and standard atmospheric pressure. Keep in mind that these values can vary based on temperature, pressure, and specific material properties.
Stridulation is the act of producing sound by rubbing together certain body parts, often seen in various arthropods, such as crickets, grasshoppers, and some other insects. This process typically involves the scraping of a hardened part of the body (like wings or legs) against a rough surface. In crickets, for instance, the male rubs their wings together to produce a characteristic chirping sound, which is used primarily for attracting mates and establishing territory.
String vibration refers to the oscillation or movement of a string when it is plucked, struck, or otherwise excited. This phenomenon is fundamental in musical instruments, such as guitars, violins, and pianos, where the string's vibrations produce sound. When a string is set into motion, it vibrates at specific frequencies determined by several factors, including: 1. **Length of the string**: Longer strings generally produce lower frequencies, while shorter strings produce higher frequencies.
Supersonic speed refers to speeds that exceed the speed of sound in a given medium, typically air. In standard atmospheric conditions at sea level, the speed of sound is approximately 343 meters per second (about 1,125 feet per minute, or 1,125 kilometers per hour, or 767 miles per hour). When an object travels faster than this threshold, it is said to be traveling at supersonic speeds.
"Temp track" can refer to a couple of different contexts depending on the industry or field being discussed. Here are two common meanings: 1. **Film and Music Production**: In the context of film or television, a temp track (temporary track) is a placeholder piece of music used during the editing process. It helps convey the emotional tone of a scene and assists directors and editors in visualizing how the final score might feel.
Textsound is a journal that focuses on the intersection of text and sound, offering a platform for both scholarly and artistic work. It publishes a variety of content, including essays, sound art, poetry, and other forms that explore the relationship between writing and audio. The journal aims to engage with issues related to literature, sound studies, and the ways in which text and sound interact and influence one another.
A "weighting curve" can refer to different concepts depending on the context, but generally, it pertains to the graphical representation of weights assigned to data points or different categories in statistical analysis, modeling, or finance. Here are a few interpretations of what a weighting curve might mean: 1. **Statistical Weighting**: In statistics, a weighting curve may represent how different observations are given different levels of importance in a dataset.
The World Soundscape Project (WSP) is an initiative that began in the late 1960s, primarily associated with the work of Canadian composer R. Murray Schafer and his colleagues at Simon Fraser University in Vancouver, Canada. The project aims to study and document the sound environments of various locations around the world. It emphasizes the importance of listening to the acoustic ecology and the impact of sound on daily life and the environment.
Wow and flutter are terms used to describe variations in the pitch of a sound, typically in recorded audio, caused by mechanical imperfections or fluctuations in the playback speed of a tape or vinyl record. ### Wow - "Wow" refers to slow, low-frequency variations in pitch, typically ranging from about 0.5 to 5 Hz. - This can occur due to irregularities in the speed of the playback system, such as mechanical issues in turntables or tape transport systems.
The Zoom H2n Handy Recorder is a portable audio recording device designed for musicians, podcasters, filmmakers, and other professionals needing high-quality audio recording capabilities. Launched by Zoom, a company known for its audio equipment, the H2n is recognized for its versatility and ease of use.
