Decibels - Study guides, Class notes & Summaries

Which measurement can be used to determine if earplugs are needed when working in a factory? watts amps decibels delta waves correct answers Decibels The graph shows changes over time in a population of bacteria added to a test tube of growth medium. What activity characterizes the growth cycle during phase II? Bacteria are weakening due to the accumulation of waste products. Bacteria are increasing in metabolic activity though not dividing. Bacteria are dying off rapidly fro...

Protools 101 Latest Update with Certified Solutions Absolute Polarity When the polarity of the wave remains the same through the signal chain AES/EBU Digital connection that uses XLR-type connectors. Stands for Audio Engineering Society/European Broadcast Union Alias tones The false tones produced by low sample rates Amplitude Intensity of the sound pressure variations. Creates our perception of the loudness of the sound. Measured in decibels (dB). The measurement of how far vib...

Which of the following is described as the ability of an object to resist compression and relates to the hardness of the medium? a. Stiffness b. Density c. Pressure d. Inertia -answer- a. Stiffness An increase in pulse repetition frequency would lead to: a. an increase in DF b. an increase in pulse duration c. an increase in the number of cycles d. a decrease in resolution -answer- a. an increase in DF ? is this b/c PRP and PRF are reciprocals so if you increase PRF you decrease PRP...

OSHA Basic Orientation plus Exam - Questions with verified answers Required when you are exposed to noise over 85 decibels Hearing Protection Hearing Protection Device Ear Plugs Hearing Protection Device Ear muffs Has little or no training in identifying electrical hazards Non-Qualified Person (electrical) Has received training in and has proven skills and knowledge in the construction and operation of electric equipment Qualified Person (electrical) Occurs when a flashover of electric current ...

Medical-Surgical Nursing Exam 1 (Questions) - Jersey College Questions And Answers. VIII Vestibucochlear - correct answer. Balance and equilibrium are functions of the ________ nerve. tympanic membrane - correct answer. The external ear is separated from the middle ear by a disk-shaped structure called the ________________________. auricle (pinna) - correct answer. The _______ collects the sound waves and directs vibrations in to the external auditory canal. cerume...

COMD 5070 Exam 3 (Latest 2024 / 2025 Update) Acoustics of Speech and Hearing | Questions and Verified Answers | 100% Correct | Grade A - Utah Q: How to calculate frequency? If there is a period of 2ms (0.002 seconds)?- Answer: 1/0.002= 500 Hz. Q: What is a harmonic series? Answer: When multiple sine waves or pure tones are combines together. Q: What are integer multiples? Answer: The whole number multiples of whatever the fundamental frequency is. Q: What is the fundamental frequency? Answer: Th...

BICSI Installer 2 Technician exam Questions with elaborated answers 2024 1 - CORRECT ANSWER-KEY TERMS Choose Correct Term: 1. Attenuation, 2. Bandwidth, 3. Cable Loss, 4. Cladding, 5. Connector, 6. Dispersion, 7. Ferrule (Optical Fiber), 8. FC, 9. Furcating Harness, 10. Insertion Loss, 11. LC Connector/Adapter, 12. Multimode Optical Fiber, 13. SFF, 14. SC Definition: The decrease in magnitude or the power loss of a signal that propagates between points, expressed in decibels (dB) as ...

At 44.1 kHz, how many samples are taken per second?Answer - 44,100 samples What is the shortcut for import session data?Answer - shift+option+I Approximately how much hard drive space is taken up by 2.5 minutes of stereo, 24-bit, 44.1 kHz audio?Answer - 37.5MB What is the shortcut for tabbing through the edit tools?Answer - esc How does using SHUFFLE mode assist in multi-track editing?Answer - shuffles everything over to the left after you've cut a section What is the shortc...

Manufacturing Correct Answer-Which occupational sector accounts for the highest incidence of noise-induced hearing loss? Tinnitus Correct Answer-A buzzing or ringing in the ears is known as Three Correct Answer-Noise exposures are considered likely to be harmful if shouting is required in order to communicate to a person __________ feet away Painless, Progressive, Permanent, Preventable Correct Answer-What are the four P's of Noise-Induced Hearing Loss 140 dBP Correct Answer-Impulse...

DOT Exam Study Guide Questions & Answers 100% CorrectDOT Exam Study Guide Questions & Answers 100% CorrectDOT Exam Study Guide Questions & Answers 100% CorrectDOT Exam Study Guide Questions & Answers 100% Correct 5 Feet - ANSWERSA CMV driver must perceive a forced whispered voice in the better eat at not less than ___ with or w/o a hearing aid Audiogram - ANSWERSThis test is performed only when the Forced Whisper Test is failed in both ears 40 decibels - ANSWERSIf tested by the use of an ...