PPT-Sound and Hearing Chapter 16

Learning Goals for Chapter 16 Describe sound waves in terms particle displacements or pressure fluctuations C alculate speed amp intensity of sound waves Understand Resonance frequencies . And 57375en 57375ere Were None meets the standard for Range of Reading and Level of Text Complexity for grade 8 Its structure pacing and universal appeal make it an appropriate reading choice for reluctant readers 57375e book also o57373ers students Nature of the Sound Stimulus. “Sound”. . is the rhythmic compression and decompression of the air around us caused by a vibrating object.. Applet. Applet2. Sound Wave:. Amplitude and Frequency (Hz). Audition.  . the sense or act of hearing. .. We hear a best of sounds with frequencies in a range corresponding to that of the human voice. . Frequency .  . the number of complete wavelengths that pass a point in a given time (i.e. per second. Introduction: Sound and the Study of Sound. What is sound?. What is sound?. What is sound?. What are the differences between hearing and vision?. What is sound?. What are the differences between hearing and vision?. Students. Sources of Information on Hearing Health. National Association of Schools of Music (NASM). Performing Arts Medicine Association (PAMA). American Academy of Audiology (AAA). Occupational Safety and Health Administration (OSHA). Hearing loss. So: Place and Frequency theories both correct. At certain frequencies, each theory is correct. Place theory explains processing of sounds of 200-20,000 Hz. Frequency theory explains processing of sounds of 20-4,000 Hz. Hearing. Language. Sensory Receptors. A . receptor. is a cell, often a specialized neuron, . suited by its structure and function to respond to a particular form of energy, such as sound.. Function: Convert that energy into a neural response.. Partial masking with hearing aids Overview Goals of Therapy The tinnitus instrument Use of the hearing aid Use of the sound generator Partial masking Jane Doe Hearing Clinic. Chicago, IL 2 Overall Goals of Therapy Where Does Sound Come From?. A vibration creates a wave. Travels through liquids, solids, and gases. Frequency = Pitch. Bass to treble . Amplitude = . Loudness/ Volume. Outer Ear. Pinna/Outer Ear. Funnels sound waves into the ear canal. T. his is called the precedence effect (PE). The precedence effect is a perceptual phenomenon where the cues of the preceding direct sound, the “lead,” dominate over later-arriving reflections, the “lag.” . Outer Ear- . main purpose is to funnel sound waves to inner ear.. 1a. . Auricle. -gathers sound waves . 1b. . External acoustic meatus- . transmits sound waves to tympanic membrane. 1c. . Tympanic membrane . The hearing aid that gives your brain the full perspectiveThe sounds around you are constantly changing in unpredictable ways 150 everywhere you go And those sounds contain far more richness than just Speech and hearing are the most important means by which we communicate with our fellow man. Through hearing we receive speech sounds from others and also listen to ourselves! In some ways it is more of. Brittany . Rosener. . April 2016. Anatomy of the Ear. http://www.medicalnewstoday.com/articles/249285.php. Illustration of How we Hear. http://www.bestearprotection.com/how_we_hear_article.html. What is hearing loss?.