This document provides an overview of sound, including its production through sound waves, how our ears perceive it, and examples of sound in nature. It begins with an introduction to sound and key terminology like amplitude, frequency, tone, and resonance. It then describes the anatomy of the ear and how hearing aids work. Sound waves are explained as vibrations that travel in peaks and troughs, with higher pitches having faster vibrations. Examples of high and low frequency sounds are given. The document concludes with examples of animal sounds in nature and how echoes are produced.
It is a very useful ppt for studying students .I have made with very much hard work it will surely help you. I have made it with an attractive way and do not trust on me ,first see and you sill yourself like it.
It is a very useful ppt for studying students .I have made with very much hard work it will surely help you. I have made it with an attractive way and do not trust on me ,first see and you sill yourself like it.
The "Fundamental of sound" module is focused to adults learners interested in exploring the possibilities of managing digital sound.
This module is part of a set of materials designed and developed in the project Telecentre Multimedia Academy (Lifelong learning - Grundtvig (2012-2014)) project.
The Telecentre Multimedia Academy is a project where Fundación Esplai worked with a consortium of 8 partners from Croatia, Latvia, Lithuania, Romania, Serbia and Hungary, whose coordinator is Telecentre Europe.
You can learn more about the Telecentre Multimedia Academy project in:
http://fundacionesplai.org/e-inclusion-internacional/tma/
SOUND
MUSICAL INSTRUMENT
PROPAGATION OF SOUND
PRODUCTION OF SOUND MUSICAL INSTRUMENTS
SPEED OF A SOUND
WOODWINDS INSTRUMENTS
String INSTRUMENTS
Percussion INSTRUMENTS
Brass INSTRUMENTS
SOUND PRODUCED BY HUMANS
SPEED OF LIGHT V/S SOUND
SOUND PRODUCED BY ANIMAL
VIBRATION & OSCILLATION
LOUDNESS AND PITCH OF SOUND
HUMAN EARS
PERSISTENCE OF HEARING
Echo & REVERBERATION
AUDIBLE AND INAUDIBLE SOUND
NOISE AND MUSICAL SOUND
Noise pollution
HEARING IMPAIRMENT
SIGN LANGUAGE
Reflection of sound
Uses of multiple reflection of sound
SONAR
Anything that moves back and forth makes sound. Moving back and forth is called vibrating. Pluck a guitar string and watch it vibrate back and forth. The vibrations make sound waves.
Sound is produced when a matter vibrates. Sounds consists waves and these waves travel as a longitudinal waves. Sound travels fastest in solids because the particles are closer. The speed of sound depends on the temperature of matter. The higher the temperature, the higher the speed of sound is. The properties of sound are reflection and refraction. In reflection, the sound wave turns back when it hits a barrier. A good example of this are echoes and reverberations. On the other hand, refraction is the bending of sound waves.
In unit 8L Sound and Hearing you are expected to:
build on your knowledge of sound and hearing
explain how sound travels through media (solid, liquid and gas)
give an explanation of how the human ear works,
find out about the harmful effects of loud noise and how loud noise can be reduced
I made this presentation to support a hearing impaired student in my class. The idea is to talk about what sound is, how we hear and about hearing impairments.
The "Fundamental of sound" module is focused to adults learners interested in exploring the possibilities of managing digital sound.
This module is part of a set of materials designed and developed in the project Telecentre Multimedia Academy (Lifelong learning - Grundtvig (2012-2014)) project.
The Telecentre Multimedia Academy is a project where Fundación Esplai worked with a consortium of 8 partners from Croatia, Latvia, Lithuania, Romania, Serbia and Hungary, whose coordinator is Telecentre Europe.
You can learn more about the Telecentre Multimedia Academy project in:
http://fundacionesplai.org/e-inclusion-internacional/tma/
SOUND
MUSICAL INSTRUMENT
PROPAGATION OF SOUND
PRODUCTION OF SOUND MUSICAL INSTRUMENTS
SPEED OF A SOUND
WOODWINDS INSTRUMENTS
String INSTRUMENTS
Percussion INSTRUMENTS
Brass INSTRUMENTS
SOUND PRODUCED BY HUMANS
SPEED OF LIGHT V/S SOUND
SOUND PRODUCED BY ANIMAL
VIBRATION & OSCILLATION
LOUDNESS AND PITCH OF SOUND
HUMAN EARS
PERSISTENCE OF HEARING
Echo & REVERBERATION
AUDIBLE AND INAUDIBLE SOUND
NOISE AND MUSICAL SOUND
Noise pollution
HEARING IMPAIRMENT
SIGN LANGUAGE
Reflection of sound
Uses of multiple reflection of sound
SONAR
Anything that moves back and forth makes sound. Moving back and forth is called vibrating. Pluck a guitar string and watch it vibrate back and forth. The vibrations make sound waves.
Sound is produced when a matter vibrates. Sounds consists waves and these waves travel as a longitudinal waves. Sound travels fastest in solids because the particles are closer. The speed of sound depends on the temperature of matter. The higher the temperature, the higher the speed of sound is. The properties of sound are reflection and refraction. In reflection, the sound wave turns back when it hits a barrier. A good example of this are echoes and reverberations. On the other hand, refraction is the bending of sound waves.
In unit 8L Sound and Hearing you are expected to:
build on your knowledge of sound and hearing
explain how sound travels through media (solid, liquid and gas)
give an explanation of how the human ear works,
find out about the harmful effects of loud noise and how loud noise can be reduced
I made this presentation to support a hearing impaired student in my class. The idea is to talk about what sound is, how we hear and about hearing impairments.
this is a notes of sound for class 8 students. this will help you to revise the chapter very quickly. recap is also included in this.
with the help of pictures you will be able to understand it quickly.
The following power point presentation discusses about sound, how its produced and how the sound travels. We also discuss how we are able to listen using our ears. Thereafter we discuss in brief about the properties of sound, We also discuss about various musical instruments. Lastly we discuss about noise pollution and how we can control it
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JMeter webinar - integration with InfluxDB and GrafanaRTTS
Watch this recorded webinar about real-time monitoring of application performance. See how to integrate Apache JMeter, the open-source leader in performance testing, with InfluxDB, the open-source time-series database, and Grafana, the open-source analytics and visualization application.
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Length: 30 minutes
Session Overview
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- What are the benefits of integrating InfluxDB and Grafana into the load testing stack?
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https://www.rttsweb.com/jmeter-integration-webinar
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Smart TV Buyer Insights Survey 2024 by 91mobiles.pdf91mobiles
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Create a campaign using Mailchimp with merge tags/fields
Send an interactive Slack channel message (using buttons)
Have the message received by managers and peers along with a test email for review
But there’s more:
In a second workflow supporting the same use case, you’ll see:
Your campaign sent to target colleagues for approval
If the “Approve” button is clicked, a Jira/Zendesk ticket is created for the marketing design team
But—if the “Reject” button is pushed, colleagues will be alerted via Slack message
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And...
Speakers:
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Charlie Greenberg, Host
Transcript: Selling digital books in 2024: Insights from industry leaders - T...BookNet Canada
The publishing industry has been selling digital audiobooks and ebooks for over a decade and has found its groove. What’s changed? What has stayed the same? Where do we go from here? Join a group of leading sales peers from across the industry for a conversation about the lessons learned since the popularization of digital books, best practices, digital book supply chain management, and more.
Link to video recording: https://bnctechforum.ca/sessions/selling-digital-books-in-2024-insights-from-industry-leaders/
Presented by BookNet Canada on May 28, 2024, with support from the Department of Canadian Heritage.
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1. Insights into SAP testing best practices
2. Heatmap utilization for testing
3. Optimization of testing processes
4. Demo
Topics covered:
Execution from the test manager
Orchestrator execution result
Defect reporting
SAP heatmap example with demo
Speaker:
Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
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We’ll wrap up with a glimpse into future webinars, followed by a Q&A session to address your specific questions surrounding this topic.
Don’t miss this opportunity to elevate your FME expertise and drive your projects to new heights of efficiency.
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PowSyBl is an open source project hosted by LF Energy, which offers a comprehensive set of features for electrical grid modelling and simulation. Among other advanced features, PowSyBl provides:
- A fully editable and extendable library for grid component modelling;
- Visualization tools to display your network;
- Grid simulation tools, such as power flows, security analyses (with or without remedial actions) and sensitivity analyses;
The framework is mostly written in Java, with a Python binding so that Python developers can access PowSyBl functionalities as well.
What you will learn during the webinar:
- For beginners: discover PowSyBl's functionalities through a quick general presentation and the notebook, without needing any expert coding skills;
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2. Agenda Reason for doing sound Introduction to sound Terminology in sound Our ears and hearing aids Sound waves Decibels Sound in nature Echoes
3. Reason for doing sound If you could remember I did light last term. I realized that light and sound was sort of a ‘package’ in life as they together are able to form the most amazing things such as television shows and music videos. So I decided to do this ace regarding sound.
4. Introduction to sound Basically sound is what we hear around us. If I were to draw a map on how sound has been like since young… Babies make A LOT of sound ( eg. Crying ) Children make considerably loud noise, especially in class, with no doubt is because they are talking
5. Then comes the teenagers. In this case you realize they stay cool in a corner. BUT the music they play on their iPods I deafening As they turn into adults, they start to hate noise and prefer the peace in the hillside or something As they turn into old people, the most commonly used phrase would be : What did you say? This is our life with sound
6. Terminology in sound Terminology would refer to the words used when referring to sound scientifically. AMPLITUDE – It means how loud something is. Stronger sound waves (explained later) means louder sounds or greater amplitude. Amplitude also comes from the word ample which means plentiful (as said by dictionary.com)
7. Terminology in sound FREQUENCY – Frequency means the number of vibrations a second that make up the sound. Take a bat squeak compared to a dog’s bark for example. The bat’s squeak is of a higher frequency than a dog’s bark because it’s sound produced is higher. This is measured in hertz (written Hz). Hence higher frequency makes more hertz.
8. Terminology in sound TONE – This is a sound with one frequency. Hence in songs the tone varies. If it doesn’t, it would sound monotonous. This can be produced by hitting a tuning fork. RESONANCE – This is when vibrations hit an object at a certain frequency. As the object vibrates more, the sound gets louder and louder.
9. Terminology in sound HARMONICS – All sounds are made up of harmonics. As long as the harmonics are working on the same frequency, the sound produced would be nice to listen to. If it is still unclear, harmonics are the basis of all songs. Harmonics in songs are like the ‘timers’ in frequency, setting when the best time for a certain frequency to turn up. Hence it can be harmonious.
10. Our ears Our ears consists of these parts: The ears itself Ear-drum Ear bone Oval Window The nerves that go from the ear to the brain
11. Ear Canal The external ear canal. Easiest to understand. Some people call it their ‘ear hole’.
12. Ear-Drum The eardrum is basically a membrane that helps transmit sound into the oval window. The reason for its name would be that it looks like a drum. These kind of drums:
13. Oval Window The oval window is the beginning of the inner ear. From the image, you can see that the Cochlea comes after it. If you are wondering, Cochlea means snail in latin.
14. The nerves They are basically used to transmit the sound messages to the brain.
15. Hearing aids Hearing aids come in play when people start to complain of hearing problems. A hearing aid is basically a miniature microphone linked to an amplifier that makes sound louder. A cochlea implant (another hearing aid) is a tiny radio receiver fitted under the skin that receives radio signals from the earpiece under the ear. The implant then converts the signals to electrical pulses that trigger signals along the nerves to the brain. And they work together, the hearing aid and the cochlea implant.
16. A story about the hearing aid In the USA, there was a man named Henry Koch that complained of hearing music in his head. Test had showed that a tiny lump of carborundum, a hard block chemical from a dentist drill had stuck in his tooth. The crystals in the chemical were picking up and boosting the power of radio waves from a nearby transmitter. This triggered vibrations which he heard as music.
17. Sound waves A sound wave happens when tiny air molecules are shoved together and bump apart again. As they leap apart some molecules bump into others further away. So you would get a wave of bumpy molecules moving outwards like the ripples on a pond.
18. Sound waves Scientist use a machine called oscilloscope to measure sound waves. The sound waves make a beam of electrons that allows them to see a wave. This is a sound wave:
19. Sound waves From the image, basically : Faster vibrations=closer together peaks=higher frequency=higher pitch of sound Slower vibrations=peaks further apart=lower frequency=lower pitch of sound
20. Sound waves High frequency sounds are sounds like: A mouse squeaking A human squeaking after seeing a mouse A bike chain in need of oil Low frequency sounds are sounds like: A bear growling A male growling Our stomach growling
21. Decibels Decibels, in a casual way of expressing it, would be how loud something is. Taking a scene from a classroom, it can show how much decibels are produced. The next slide…
22.
23. Sound in nature Similar to humans, animals make noise too! And if you are complaining that we make too much noise, they make louder noises!!
24. Sound in nature-Animals The Frog. It’s loud croak is made louder thanks to their vibrating air-filled pouches in their throat. The rats. It is famous for it’s squeak that has a high frequency that sometimes is too loud for us to hear. Song birds. As the name goes, they can sing, because of their singing syrinxes, which is the skin stretched over their windpipes.
25. Sound in nature- Animals Howler monkey. It’s voice is so loud that these monkeys can be heard at a distance of 15km away from them. Woodpeckers. More than making sounds from their own vocal organs, they make a repetitive sound by pecking a tree constantly using their toughened beak. Cicadas. They are insects that make sounds using the vibrating sound inside their abdomens.
26. Echoes Facts about them: An echo is made by sound waves bouncing off a surface in the same way light bounces of a mirror. An old castle in Milan, Italy has walls that trap the sound waves so they continue bouncing backwards and forwards about 40 times. Alpine horns, those long horns that people in Switzerland use, use echoes to boost their range.
27. Echoes Fog horns used echoes to carry their message by making the sound waves bounce of cliffs and rocks, to help warn of danger ahead. Thunder uses echoes too! It is by bouncing the sounds of the clouds.