If you wanted to capture a sound with a frequency of 12,000 Hz, what would be the minimum sampling frequency you would need to use?
A. 6,000 samples/sec
B. 12,000 samples/sec
C. 44,100 samples/sec
D. 24,000 samples/sec
If you wanted to capture a sound with a frequency of 12,000 Hz, what would be...
Need help with these questions !! Please!! 4. It takes sound waves of frequency 500 Hz 14.7 ms to make a round trip through a hollow pipe of length 7.5 m filled with helium. What is the speed of sound in helium? Show your calculations 5. The speed of sound waves in air is 343 m/sec. If the frequency of the waves is 450 Hz, what are the period and wavelength of the waves? wavelength of this sound?
What frequency would you need to produce a sound wave in room-temperature air with a wavelength of 4m? _______ Hz
If the frequency of a signal has a bandwidth of 400 Hz with the lowest frequency at 300 Hz, what should be the sampling rate, according to the Nyquist theorem? a)1400 samples/s b)800 samples/s c)400 samples/s d)600 samples/s
1. If a sound of frequency 1000 Hz has intensity level 30 dB, what would be the intensity level of sound frequency 50 Hz which appears to have equal loudness? (Answer= 60 dB) 2. Intensity of 30 dB, 1000 Hz sound= (Answer= 1.000 x 10-9 W/m^2) *3. What is intensity (in W/m^2) of the equal loudness 50 Hz sound? (Answer is NOT 50.12 x 10^-12) *4. What is the ratio of the pressure variation (in amplitude) of the equal loudness...
phons 100 9 80 60 A 40 20 20 10k 1000 100 10 Frequency Hz) a) At approximately what frequency is the human ear most sensitive? How can you tell? b) If you heard a 300-Hz tone with a sound level of 60 dB, approximately how many phons would you perceive? toward you with a speed v, starting a distance of 1 km away att 0. If the train moves very slowly (that is, v is extremely small compared to...
A flowmeter in the ocean sends a sound wave with the frequency of 75000 Hz and senses the frequency of reflection from a particle moving around in the ocean that is 75100 Hz. a) What is the speed of said particle towards the flowmeter? b) What if the particle had an audio sensor, what frequency would it measure? Given is the speed of sound: 1440 m/s c) The reflection from the particle comes at the flowmeter 0,02 seconds after the...
S.a) What is the wavelength of a sound wave general fundamental frequency is 128 Hz and it travels with spo the tube? sound wave generated in a tube with two open ends whose d it travels with speed of sound v = 340 m/s? (b) What is the length of (a) = (b) L= = 340 m/s, 11 o. (a) What length should a tube closed at one end have on a day when the speed of sound its fundamental...
The siren on an ambulance is emitting a sound whose frequency is 2850 Hz. The speed of sound is 343 m/s. (a) If the ambulance is stationary and you (the "observer") are sitting in a parked car, what are the wavelength and the frequency of the sound you hear? (b) Suppose that the ambulance is moving toward you at a speed of 26.6 m/s. Determine the wavelength and the frequency of the sound you hear. (c) If the ambulance is...
How long is a wavelength of infrasound with a frequency of 7 Hz? _____ m What frequency would you need to produce a sound wave in room-temperature air with a wavelength of 17 m? _______ Hz
4. Your ears detect a sound wave with a frequency of 315 Hz and a sound intensity level of 80 dB. It originated in a vibrating string with a length of 1.9 meters. A) Waves can be longitudinal or transverse. What is the difference between these two kinds of waves? B) This question has one longitudinal wave and one transverse wave. Identify them. C) Recall that the sound you hear from a string is the fundamental frequency, which has a...