PPT-Sound II

Physics 2415 Lecture 28 Michael Fowler UVa Todays Topics Waves in two and three dimensions Interference Doppler effect Harmonic String Vibrations Strings in musical instruments have fixed ends so pure harmonic single frequency vibrations are sine waves with a . PSF perf adjusted Cedar R 54348 50464 104812 Strait of Juan de Fuca 9040 9040 4year avg Sammamish R 62185 62185 Puget Sound Total 100380 100380 Puget Sound Total 54348 148026 202374 Wild forecast includes supplementation returns Forecast contains The repetition of a vowel sound is called. Onomatopoeia. Alliteration. Assonance. consonance. The repetition of a sound at the beginning of the word is. Assonance. Consonance. Alliteration. rhyme. The repetition of a sound at the end of the word is called. Kaegan Gregory. Overview of Prior Research. Every concert hall is unbalanced. Acoustic engineers adjust acoustics in concert halls. Sound shells. Sound Reflectors. RCHS auditorium adjusted with sound reflectors. Making the Gospel. . attractive. in Every Way. Titus 2:1-10. Are you a Theologian? Why not?. Christians must have a totally different mindset or . paradigm. than the ungodly.. Why live Godly. So that . Sound waves are made up of a series of regions of high and . low pressure. . The areas of high pressure are called . compressions. . The . areas . of low pressure are called . rarefactions.. Wave energy travels through the material. But a particular piece . Sound waves are longitudinal!. Sound can be explained by understanding:. Speed. Intensity. . and loudness. Frequency and pitch. Most people hear sound between the frequency of 20Hz and 20,000Hz. . Anatomy of Sound. Wave. particles vibrate parallel to the direction of the motion of the wave. Terminology. Compressions. : areas where particles come closer together. Rarefactions: . regions where particles are further apart. Remain as quiet as you can for 1 minute.. I will tell you when to begin, and when to stop.. In the margin of your paper, write down all of the different sounds that you hear in the environment around you.. Sound Chapter 12 Sound hunt Remain as quiet as you can for 1 minute. I will tell you when to begin, and when to stop. In the margin of your paper, write down all of the different sounds that you hear in the environment around you. Sound Chapter 12 Sound hunt Remain as quiet as you can for 1 minute. I will tell you when to begin, and when to stop. In the margin of your paper, write down all of the different sounds that you hear in the environment around you. Sound is a . longitudinal. . (Mechanical)wave caused by a . vibrating. object. Molecules . collide. , producing sound. Examples: . Vocal chords. , guitar or piano strings, tuning fork, etc.. . Longitudinal Wave. For producing the most exclusive musical sound track you need to invest in the right hip hop samples and work on them most appropriately. You can’t build a soundtrack overnight but you need to work regularly in fetching the right hip hop samples which are most suitable for creating sound. For more details please visit: https://www.soundcrafting.com/ Review: How Does Sound Move?. Images c. ourtesy . of BSCS. What did you learn last time about how sound travels to our ears?. Key Science Ideas. All . soundmakers. vibrate and make the air around them vibrate. . Two major types of digital sound:. Sampled . sound: digital recording of previously existing analog sound wave.. File contains numeric values to describe the amplitude of the sound wave at a particular instant..