The physics of music- how does a guitar work?Tisha Dasgupta
The guitar produces different pitches from each string because the strings have different masses and tensions. Heavier strings with more mass produce lower pitches, while lighter strings with less mass produce higher pitches. When plucked, each string vibrates at its fundamental frequency but also produces additional frequencies called overtones that combine to give each string its unique timbre. Tuning the guitar adjusts string tension and alters the resonant frequencies and pitches of the strings.
The guitar is a 6-stringed instrument played by plucking or strumming the strings. When the strings vibrate, they transmit vibrations through the bridge to the guitar body, making the entire guitar resonate. This causes the air inside the guitar body to vibrate. The vibrating air escapes through the soundhole, projecting the guitar's sound. The frequency of each string's vibration depends on its mass, tension, and length.
The document discusses various types of musical instruments categorized into string, woodwind, brass, and percussion instruments. It provides descriptions of specific instruments within each category such as violin, flute, trumpet, and xylophone. For each instrument, it lists their key characteristics and components that produce sound.
The document discusses how guitars produce sound through vibration. It explains that when guitar strings are plucked, they vibrate and transfer that vibration energy through the bridge to the soundboard of the guitar body. This causes the soundboard and air inside the guitar body to vibrate, producing sound waves. The sound then exits through the sound hole. Electric guitars use pickups to convert the string vibrations into electrical signals that are amplified.
This document introduces string instruments and their roles in orchestras. It describes the four main string instruments - violin, viola, cello, and double bass - and how they differ in size, string number and pitch. The text explains that strings produce sound through vibration and are usually played with a bow. It provides an activity for students to listen to excerpts and identify the string instrument playing. Finally, it reviews the different ways strings can be played and the placement of strings in an orchestra.
The document summarizes different types of musical instruments. It discusses string instruments such as the piano, guitar, violin and harp. It also discusses percussion instruments like the triangle, chimes, xylophone, tambourine and bass drum. Finally, it covers wind instruments like the piccolo, oboe and saxophone, as well as brass instruments including the tuba, trombone and trumpet. Pictures are provided of examples within each instrument family.
The document discusses different types of musical instruments, including brass instruments like trumpets and tubas that are played by buzzing lips in a mouthpiece, woodwind instruments like flutes and clarinets that are usually played with a reed and have pitches changed by keys, and string instruments that produce sound through vibrating strings and include violins, guitars, harps, and keyboards like pianos and organs.
This document discusses different methods of classifying musical instruments based on how their sounds are produced. The main categories are chordophones (instruments where sound is produced by vibrating strings), aerophones (instruments where sound is produced by vibrating air), membranophones (instruments where sound is produced by vibrating membranes), and idiophones (instruments where the body itself vibrates to produce sound). Within each category are subcategories that further define the instruments based on features like how the strings or air columns are set up. The document provides examples to illustrate each category and subcategory.
The physics of music- how does a guitar work?Tisha Dasgupta
The guitar produces different pitches from each string because the strings have different masses and tensions. Heavier strings with more mass produce lower pitches, while lighter strings with less mass produce higher pitches. When plucked, each string vibrates at its fundamental frequency but also produces additional frequencies called overtones that combine to give each string its unique timbre. Tuning the guitar adjusts string tension and alters the resonant frequencies and pitches of the strings.
The guitar is a 6-stringed instrument played by plucking or strumming the strings. When the strings vibrate, they transmit vibrations through the bridge to the guitar body, making the entire guitar resonate. This causes the air inside the guitar body to vibrate. The vibrating air escapes through the soundhole, projecting the guitar's sound. The frequency of each string's vibration depends on its mass, tension, and length.
The document discusses various types of musical instruments categorized into string, woodwind, brass, and percussion instruments. It provides descriptions of specific instruments within each category such as violin, flute, trumpet, and xylophone. For each instrument, it lists their key characteristics and components that produce sound.
The document discusses how guitars produce sound through vibration. It explains that when guitar strings are plucked, they vibrate and transfer that vibration energy through the bridge to the soundboard of the guitar body. This causes the soundboard and air inside the guitar body to vibrate, producing sound waves. The sound then exits through the sound hole. Electric guitars use pickups to convert the string vibrations into electrical signals that are amplified.
This document introduces string instruments and their roles in orchestras. It describes the four main string instruments - violin, viola, cello, and double bass - and how they differ in size, string number and pitch. The text explains that strings produce sound through vibration and are usually played with a bow. It provides an activity for students to listen to excerpts and identify the string instrument playing. Finally, it reviews the different ways strings can be played and the placement of strings in an orchestra.
The document summarizes different types of musical instruments. It discusses string instruments such as the piano, guitar, violin and harp. It also discusses percussion instruments like the triangle, chimes, xylophone, tambourine and bass drum. Finally, it covers wind instruments like the piccolo, oboe and saxophone, as well as brass instruments including the tuba, trombone and trumpet. Pictures are provided of examples within each instrument family.
The document discusses different types of musical instruments, including brass instruments like trumpets and tubas that are played by buzzing lips in a mouthpiece, woodwind instruments like flutes and clarinets that are usually played with a reed and have pitches changed by keys, and string instruments that produce sound through vibrating strings and include violins, guitars, harps, and keyboards like pianos and organs.
This document discusses different methods of classifying musical instruments based on how their sounds are produced. The main categories are chordophones (instruments where sound is produced by vibrating strings), aerophones (instruments where sound is produced by vibrating air), membranophones (instruments where sound is produced by vibrating membranes), and idiophones (instruments where the body itself vibrates to produce sound). Within each category are subcategories that further define the instruments based on features like how the strings or air columns are set up. The document provides examples to illustrate each category and subcategory.
The document describes several common musical instruments:
The guitar is a string instrument that is typically played by strumming or plucking strings with the right hand while pressing strings on the left. The piano uses a keyboard to play strings and is widely used in classical and jazz. The violin is the smallest member of the violin family and is played by drawing a bow across strings or plucking. Flutes produce sound from the flow of air and come in various sizes from various cultures.
The document discusses different types of musical instruments that are used in Grade 3 music class. It describes instruments as being either pitched or unpitched. Unpitched percussion instruments make sounds through being struck, shaken, or rubbed and include rhythm sticks, tambourine, castanets, claves, triangle, wood block, drum, maracas, sand blocks and cymbals. Pitched percussion instruments produce different musical notes and include the xylophone, timpani, glockenspiel, metallophone and lyre. The lesson introduces students to the different sounds made by various musical instruments.
This document discusses the main string instruments of the orchestra - violin, viola, cello, and double bass. It describes their key characteristics such as size, number of strings, tone, and playing position. Violin is the smallest and highest-pitched instrument, played under the chin standing up. Cello is the largest string instrument and is played sitting down with the instrument resting on the floor. Next week's topic will be the woodwind family of instruments.
This document provides an overview of different types of musical instruments. It discusses four main categories: string instruments, whose sound is produced by vibrating strings; percussion instruments, which are played by being struck, shaken, or scraped; wind instruments, where sound is produced by blowing across an opening, reed, or reeds; and brass instruments, where the player buzzes their lips to vibrate the instrument's tubing. Examples like guitars, pianos, drums, flutes, trumpets and tubas are described. The document explains the basic mechanics of how different instruments in each category produce their sounds.
Music consists of combining sounds through harmony, melody, and rhythm. The elements include melody, which is a succession of sounds, harmony which are multiple sounds played at once, and rhythm which creates contrast. There are several musical genres like rock, pop, heavy metal, and punk which are characterized by different instruments and styles. Common instruments include the acoustic guitar, keyboard, bass guitar, and drums, each of which has distinct components that allow them to produce sound.
Traditional instrument and a musician from my countryMarta Martín
The document discusses the Stroh violin, an instrument invented in 1899 by John Matthias Augustus Stroh. The Stroh violin is a mechanically amplified string instrument that projects sound through metal resonators and horns attached to its body, making it much louder than a standard wooden violin. It was particularly useful for early phonographic recording due to its ability to produce a fuller, louder sound. The document also provides brief biographical information about Romanian singer Inna, noting she adopted the stage name in 2008 and produces house music, signing with Atlantic Records in 2014 and producing a successful collaboration with J Balvin.
The document categorizes musical instruments into four families: woodwinds, brass, strings, and percussion. It provides descriptions of how each family of instruments works and lists example instruments within each family. It concludes with interactive audio samples to allow identification of instruments.
The document discusses different types of chordophones, focusing on guitars. It provides details on how guitars produce sound through vibrating strings and how strings are set into motion by plucking, strumming, or bowing. It describes the typical components of a guitar, including the resonating chamber, neck, frets, and strings. It also briefly discusses bass guitars and their deeper sounds, as well as electric guitars and steel guitars which use pickups and amplification.
The Myanmar government announced new environmental impact assessment requirements and environmental quality guidelines to help evaluate potential environmental and social impacts of investment projects. The guidelines were developed with assistance from the Asian Development Bank and aim to prevent adverse impacts and contribute to sustainable development. Over 200 representatives from government, civil society and development agencies attended the launch event of the new procedures. The ADB will continue supporting Myanmar in developing environmental safeguards to international standards.
The document shows code for making an asynchronous HTTP PUT request in Objective-C, setting the request method and adding a header, appending post data to the request from an NSData object, and starting the request asynchronously. It also includes a method for a recipe search class to handle the completion of a search for popular recipes by word at a given page.
Oiselle Membership Program RecommendationsLuke Nofsinger
Outlining 4 marketing strategies to scale Oiselle's membership program by 3x, honor brand identity, increase retention, and positioning members as brand ambassadors to drive sales & awareness
This document provides a tutorial on using the MultiQuant software to perform quantitative analysis of mass spectrometry data acquired using multiple reaction monitoring (MRM). It describes how to perform both relative and accurate quantitation using MRM data. For relative quantitation, it shows how to create results tables and reports to compare sample quantities. For accurate quantitation, it demonstrates how to generate calibration curves from standard samples and use them to determine concentrations in unknown samples.
The document is a catalogue from David Moss Group that manufactures and supplies a range of PE (polyethylene) pipes and fittings. It provides information on PE pipe dimensions and capacities for different truck sizes. It also lists the various PE fittings available including compression fittings, tapping saddles, threaded fittings, fabricated tees and bends, and electrofusion fittings. Technical references are provided at the end relating to properties of polyethylene, unit conversions and pressure ratings.
The cell membrane regulates the movement of materials in and out of cells. It is composed of a phospholipid bilayer with proteins, lipids, and carbohydrates embedded. The membrane maintains homeostasis by transporting nutrients into the cell and waste out, while preventing unwanted substances from entering or needed materials from leaving. Transport occurs through diffusion, osmosis, facilitated diffusion, active transport, and bulk transport like endocytosis and exocytosis.
The document describes the basic parts of acoustic and electric guitars. It begins by outlining some key parts found on both guitar types like the headstock, neck, frets, and body. It then details parts unique to electric guitars like pickups and controls. The summary provides an overview of the main components and their functions discussed in the document.
The document describes various musical instruments, including:
- The bongo drum, which comes in two sizes called hembra and macho. The tambourine has metal jingles and may or may not have a drumhead. Castanets are percussion instruments used to produce clicks.
- Other instruments described are the French horn, trombone, trumpet, cornet, saxophone, bugle, accordion, banjo, tuba, English horn, piccolo, clarinet, oboe, electric guitar, acoustic guitar, and bass guitar.
- String instruments like the violin, cello, xylophone, and mandolin are also outlined, along with the bow
The document provides descriptions of various musical instruments from around the world in 3 sentences or less per instrument. It covers string instruments like the violin, cello, guitar, and bass guitar. It also covers woodwind instruments like the saxophone, oboe, and piccolo. Additionally, it summarizes brass instruments such as the trumpet, French horn, and tuba. Percussion instruments like the xylophone, maracas, and balalaika are also described.
Fwd: Presentación de Powor Point de Erikacarolinell
---------- Mensaje reenviado ----------
De: Erika L Rodriguez Ramirez <erika.rodriguez10@upr.edu>
Fecha: 9 de abril de 2008 15:00
Asunto: Presentación de Powor Point de Erika
Para: enoc.diaz@upr.edu
Profesor estuve intentando de gravar la presentacion y los sonidos no
grababan se perdian en el proceso y luego no me queria guardar los cambios
al mismo CD se lo envio por email por estos inconvenientes. Disculpeme.
Erika
The document describes several common musical instruments:
The guitar is a string instrument that is typically played by strumming or plucking strings with the right hand while pressing strings on the left. The piano uses a keyboard to play strings and is widely used in classical and jazz. The violin is the smallest member of the violin family and is played by drawing a bow across strings or plucking. Flutes produce sound from the flow of air and come in various sizes from various cultures.
The document discusses different types of musical instruments that are used in Grade 3 music class. It describes instruments as being either pitched or unpitched. Unpitched percussion instruments make sounds through being struck, shaken, or rubbed and include rhythm sticks, tambourine, castanets, claves, triangle, wood block, drum, maracas, sand blocks and cymbals. Pitched percussion instruments produce different musical notes and include the xylophone, timpani, glockenspiel, metallophone and lyre. The lesson introduces students to the different sounds made by various musical instruments.
This document discusses the main string instruments of the orchestra - violin, viola, cello, and double bass. It describes their key characteristics such as size, number of strings, tone, and playing position. Violin is the smallest and highest-pitched instrument, played under the chin standing up. Cello is the largest string instrument and is played sitting down with the instrument resting on the floor. Next week's topic will be the woodwind family of instruments.
This document provides an overview of different types of musical instruments. It discusses four main categories: string instruments, whose sound is produced by vibrating strings; percussion instruments, which are played by being struck, shaken, or scraped; wind instruments, where sound is produced by blowing across an opening, reed, or reeds; and brass instruments, where the player buzzes their lips to vibrate the instrument's tubing. Examples like guitars, pianos, drums, flutes, trumpets and tubas are described. The document explains the basic mechanics of how different instruments in each category produce their sounds.
Music consists of combining sounds through harmony, melody, and rhythm. The elements include melody, which is a succession of sounds, harmony which are multiple sounds played at once, and rhythm which creates contrast. There are several musical genres like rock, pop, heavy metal, and punk which are characterized by different instruments and styles. Common instruments include the acoustic guitar, keyboard, bass guitar, and drums, each of which has distinct components that allow them to produce sound.
Traditional instrument and a musician from my countryMarta Martín
The document discusses the Stroh violin, an instrument invented in 1899 by John Matthias Augustus Stroh. The Stroh violin is a mechanically amplified string instrument that projects sound through metal resonators and horns attached to its body, making it much louder than a standard wooden violin. It was particularly useful for early phonographic recording due to its ability to produce a fuller, louder sound. The document also provides brief biographical information about Romanian singer Inna, noting she adopted the stage name in 2008 and produces house music, signing with Atlantic Records in 2014 and producing a successful collaboration with J Balvin.
The document categorizes musical instruments into four families: woodwinds, brass, strings, and percussion. It provides descriptions of how each family of instruments works and lists example instruments within each family. It concludes with interactive audio samples to allow identification of instruments.
The document discusses different types of chordophones, focusing on guitars. It provides details on how guitars produce sound through vibrating strings and how strings are set into motion by plucking, strumming, or bowing. It describes the typical components of a guitar, including the resonating chamber, neck, frets, and strings. It also briefly discusses bass guitars and their deeper sounds, as well as electric guitars and steel guitars which use pickups and amplification.
The Myanmar government announced new environmental impact assessment requirements and environmental quality guidelines to help evaluate potential environmental and social impacts of investment projects. The guidelines were developed with assistance from the Asian Development Bank and aim to prevent adverse impacts and contribute to sustainable development. Over 200 representatives from government, civil society and development agencies attended the launch event of the new procedures. The ADB will continue supporting Myanmar in developing environmental safeguards to international standards.
The document shows code for making an asynchronous HTTP PUT request in Objective-C, setting the request method and adding a header, appending post data to the request from an NSData object, and starting the request asynchronously. It also includes a method for a recipe search class to handle the completion of a search for popular recipes by word at a given page.
Oiselle Membership Program RecommendationsLuke Nofsinger
Outlining 4 marketing strategies to scale Oiselle's membership program by 3x, honor brand identity, increase retention, and positioning members as brand ambassadors to drive sales & awareness
This document provides a tutorial on using the MultiQuant software to perform quantitative analysis of mass spectrometry data acquired using multiple reaction monitoring (MRM). It describes how to perform both relative and accurate quantitation using MRM data. For relative quantitation, it shows how to create results tables and reports to compare sample quantities. For accurate quantitation, it demonstrates how to generate calibration curves from standard samples and use them to determine concentrations in unknown samples.
The document is a catalogue from David Moss Group that manufactures and supplies a range of PE (polyethylene) pipes and fittings. It provides information on PE pipe dimensions and capacities for different truck sizes. It also lists the various PE fittings available including compression fittings, tapping saddles, threaded fittings, fabricated tees and bends, and electrofusion fittings. Technical references are provided at the end relating to properties of polyethylene, unit conversions and pressure ratings.
The cell membrane regulates the movement of materials in and out of cells. It is composed of a phospholipid bilayer with proteins, lipids, and carbohydrates embedded. The membrane maintains homeostasis by transporting nutrients into the cell and waste out, while preventing unwanted substances from entering or needed materials from leaving. Transport occurs through diffusion, osmosis, facilitated diffusion, active transport, and bulk transport like endocytosis and exocytosis.
The document describes the basic parts of acoustic and electric guitars. It begins by outlining some key parts found on both guitar types like the headstock, neck, frets, and body. It then details parts unique to electric guitars like pickups and controls. The summary provides an overview of the main components and their functions discussed in the document.
The document describes various musical instruments, including:
- The bongo drum, which comes in two sizes called hembra and macho. The tambourine has metal jingles and may or may not have a drumhead. Castanets are percussion instruments used to produce clicks.
- Other instruments described are the French horn, trombone, trumpet, cornet, saxophone, bugle, accordion, banjo, tuba, English horn, piccolo, clarinet, oboe, electric guitar, acoustic guitar, and bass guitar.
- String instruments like the violin, cello, xylophone, and mandolin are also outlined, along with the bow
The document provides descriptions of various musical instruments from around the world in 3 sentences or less per instrument. It covers string instruments like the violin, cello, guitar, and bass guitar. It also covers woodwind instruments like the saxophone, oboe, and piccolo. Additionally, it summarizes brass instruments such as the trumpet, French horn, and tuba. Percussion instruments like the xylophone, maracas, and balalaika are also described.
Fwd: Presentación de Powor Point de Erikacarolinell
---------- Mensaje reenviado ----------
De: Erika L Rodriguez Ramirez <erika.rodriguez10@upr.edu>
Fecha: 9 de abril de 2008 15:00
Asunto: Presentación de Powor Point de Erika
Para: enoc.diaz@upr.edu
Profesor estuve intentando de gravar la presentacion y los sonidos no
grababan se perdian en el proceso y luego no me queria guardar los cambios
al mismo CD se lo envio por email por estos inconvenientes. Disculpeme.
Erika
The presentation on "Musical Instruments" will provide attendees with an overview of the various types of musical instruments used in different genres and cultures throughout the world.
Music has been a part of human culture for thousands of years, and musical instruments have evolved and diversified over time. During the presentation, we will discuss the different categories of musical instruments, including stringed instruments, percussion instruments, wind instruments, and electronic instruments.
We will explore the history and development of these instruments, as well as the science behind how they produce sound and the different techniques used to play them. We will also showcase examples of different musical instruments and their unique sounds and features.
Additionally, we will discuss the cultural significance of musical instruments and how they are used in different genres and traditions. We will explore how music can transcend language and cultural barriers, bringing people together and fostering connections.
Overall, the presentation will provide attendees with an appreciation for the diversity and richness of musical instruments, as well as an understanding of the important role that music plays in our lives and in our global community. This presentation will be of interest to anyone who enjoys music and wants to learn more about the instruments that create it.
1. Music is sound that is deliberately produced in regular patterns, while noise lacks patterns.
2. All objects can vibrate at natural frequencies, and musical instruments produce sound through vibrations of strings, air columns, or resonating chambers that amplify the sounds.
3. The human ear collects sound through the outer ear, amplifies it in the middle ear, and changes it to nerve impulses in the inner ear to enable hearing.
The document discusses the guitar and its origins, the basics of how sound is produced, and the key parts of a guitar. It notes that the guitar is a 6-stringed instrument originating over 4000 years ago. It describes how strumming or plucking causes the strings to vibrate, producing sound waves. The strings' mass, tension, and length determine pitch. The vibrating strings transmit vibration to the bridge and soundboard, amplifying the sound which escapes through the soundhole.
The document provides an overview of different types of guitars, including their history, construction, and musical applications. It discusses acoustic guitars, classical guitars, electric guitars, bass guitars, 7-string guitars, and 12-string guitars. The classical guitar and acoustic guitar sections describe their hollow bodies and nylon/steel strings which produce distinctive tones. The electric guitar history notes the development of pickups in the 1920s-30s to amplify strings. Bass guitars are also amplified and were developed from upright double basses. 7-string guitars add a lower B string, while 12-string guitars have two strings per course for a richer sound.
This document discusses different types of musical instruments. It begins by defining a musical instrument as a device constructed to make music. The oldest known instrument is the flute, dating back 35,000 years. Musical instruments are then categorized into strings, percussion, wind, and brass families. Examples like the guitar, piano, violin, harp, chimes, xylophone, flute, piccolo, oboe, saxophone, tuba, trombone and trumpet are described along with how their sounds are produced.
The document provides an overview of the history and types of guitars. It discusses the origins of the guitar dating back over 1000 years to instruments like the bowl harp. Modern guitars are generally classified as acoustic, classical, electric, bass, and others with additional strings. Key details are provided on classical guitars which are played fingerstyle, steel string acoustic guitars which have a brighter sound, and the development of electric guitars using pickups. The bass guitar is described as developing from the double bass. Specific guitar models like the Gibson Les Paul and Fender Stratocaster are highlighted for their iconic status.
The document provides an overview of the history and development of different types of guitars. It discusses the origins of the guitar as a plucked string instrument over 1000 years ago. It then describes the development of modern acoustic guitars like the classical and steel string guitars. The advent of electric guitars in the 1920s-30s enabled amplification and led to solid body designs. Other guitar types discussed include bass guitars, 7 and 12 string guitars, and famous models like the Gibson Les Paul and Fender Stratocaster. Diagrams of guitar parts and styles are also included.
The document summarizes the different sections and instruments that make up a modern orchestra. It describes the four main sections - woodwinds, brass, strings, and percussion - and lists common instruments within each section such as flute, oboe, clarinet, and bassoon for woodwinds; trumpet, French horn, trombone, and tuba for brass; violin, viola, cello, and double bass for strings; and timpani, xylophone, tambourine, and castanets for percussion. It provides brief descriptions of how each instrument is played and its tonal qualities.
Timbre refers to the color or quality of sound that distinguishes one instrument or voice from another. The human voice can be classified according to quality and range, with male voices ranging from tenor to bass and female voices from soprano to alto. An orchestra contains musicians playing instruments from four sections - strings, woodwinds, brass and percussion. Each section contains various instruments with distinct timbres and roles in the orchestra.
This document provides brief descriptions of various musical instruments from different families and categories. It outlines the basic components and features of timpani, cymbals, snare drums, tambourines, bongo drums, xylophones, bass drums, gongs, congas, bassoons, piccolos, clarinets, oboes, transverse flutes, English horns, violins, cellos, basses, harps, and guitars. Key details mentioned include the materials used, such as wood, metal, and skin membranes, as well as playing techniques like striking, blowing, and bowing.
A guitar produces sound through vibrating strings that transmit vibrations to the saddle, soundboard, and hollow body. The frets allow the string length and pitch to be changed. When plucked, a string vibrates at its specific frequency and harmonics, while the blended sound is amplified and its envelope trails off over time, giving guitar music its distinctive tone.
The document summarizes three main types of guitars: Spanish guitar, acoustic guitar, and electric guitar. The Spanish guitar originated over 500 years ago in southern Spain and was influenced by Arabic and Latin culture. It later spread to Europe and South America. The acoustic guitar developed around 200 years ago in North America as a modified version of the Spanish guitar. The electric guitar originated in the 1930s when a microphone was placed on an acoustic guitar to amplify the sound, leading to further technological advancements and effects.
Honeypots Unveiled: Proactive Defense Tactics for Cyber Security, Phoenix Sum...APNIC
Adli Wahid, Senior Internet Security Specialist at APNIC, delivered a presentation titled 'Honeypots Unveiled: Proactive Defense Tactics for Cyber Security' at the Phoenix Summit held in Dhaka, Bangladesh from 23 to 24 May 2024.
Discover the benefits of outsourcing SEO to Indiadavidjhones387
"Discover the benefits of outsourcing SEO to India! From cost-effective services and expert professionals to round-the-clock work advantages, learn how your business can achieve digital success with Indian SEO solutions.
Securing BGP: Operational Strategies and Best Practices for Network Defenders...APNIC
Md. Zobair Khan,
Network Analyst and Technical Trainer at APNIC, presented 'Securing BGP: Operational Strategies and Best Practices for Network Defenders' at the Phoenix Summit held in Dhaka, Bangladesh from 23 to 24 May 2024.
HijackLoader Evolution: Interactive Process HollowingDonato Onofri
CrowdStrike researchers have identified a HijackLoader (aka IDAT Loader) sample that employs sophisticated evasion techniques to enhance the complexity of the threat. HijackLoader, an increasingly popular tool among adversaries for deploying additional payloads and tooling, continues to evolve as its developers experiment and enhance its capabilities.
In their analysis of a recent HijackLoader sample, CrowdStrike researchers discovered new techniques designed to increase the defense evasion capabilities of the loader. The malware developer used a standard process hollowing technique coupled with an additional trigger that was activated by the parent process writing to a pipe. This new approach, called "Interactive Process Hollowing", has the potential to make defense evasion stealthier.
2. Is one of the most popular musical
instrument.
The guitar is an instrument that has been
around. since the 1500s, but during its
history it has undergone several big
transformations.
The development of the elctric guitar is the
most obvious recent mutation, and it had a
huge effect on the popularity of the guitar.
3. A guitar has 3 main parts
The hollow body The neck, which
holds the frets
The head, which
contains the tuning
pegs
4. Sound, tones and notes
A tone is a sound that
repeats ata avertain specific
frequency
A musical note is a tone.
However, a musica-note tone comes from a small
collection of tones that are pleasing to the human brain
when used together.
5. Strings and frets
A guitar uses vibrating strings to generate tones.
Any string under tension will vibrate at a specific frequeny that is controlled by:
-The length of the string
-The amount of tension on the string
-The weight of the string
- The “springiness” of the string´s material
6. The guitar´s sound
An acoustic guitar generates its sound in the following way:
1. When the string on a guitar vibrate, they transmit their vibrations to
the saddle.
2. The saddle transmit its vibratios through the bridge to the
soundboard.
3. The soundboard and body amplify the sound.
4. The sound comes out through the sound hole
7. There are 3 main ways of playing a
guitar:
“Picking”- playing each string separate, one
after each
● “Strumming”- playing all of the strings together
from the heaviest to the lightest
● “Soloing”- playing melodies on the guitar
●
8. Electric guitar
Electric guitar “Gibson”
Both of them have six strings
Those strings with tuning pegs and they
both have frets on a long neck.