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How does analog audio work? | Basic Pro Audio Concepts | Rever…
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What is Digital and Analog Audio?
https://www.linkedin.com/pulse/what-digital-analog-audio-eilbron-khoshabeh
An audio frequency (AF) is an electrical alternating current within the 20 to 20,000 cycles per second that is known as Hertz (HZ) range that can be used to produce acoustic sound.
Analog Frequency - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/computer-science/analog-frequency
The analog frequency Ω and the discrete frequency ω according to the bilinear transformation are related by (12.21) Ω = K tan ( ω / 2 ) , which when plotted displays a linear relation around the low frequencies but it warps as we get into larger frequencies (see Fig. 12.9 ).
Chapter 13: Digital to Analog Conversion and Sound
https://users.ece.utexas.edu/~valvano/Volume1/E-Book/C13_DACSound.htm
The Nyquist Theorem states that if the signal is sampled with a frequency of f s, then the digital samples only contain frequency components from 0 to ½ f s. Conversely, if the analog signal does contain frequency components larger than ½ f s, then there will be an aliasing error during the sampling process (performed with a frequency of f s). Aliasing is when the digital signal …
Analog and Digital Signals, Time and Frequency ...
https://www.eecs.yorku.ca/course_archive/2010-11/F/3213/CSE3213_04_AnalogDigitalSignals_F2010.pdf
Composite Analog Signals s(t)=A 1 sin(2πf 1 t+ϕ 1 )+A 2 sin(2πf 2 t+ϕ. 2 )+... With the aid of good table of integrals, it is easy to determine the frequency-domain nature of many signals. ∞ = = ++ n1 n 0 n 0 0 A cos(2 nf t) B sin(2 nft) 2 A s(t) π π s(t)cos(2 nf t)dt, n = 0,1,2, …. T 2 A.
Audio Signal - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/engineering/audio-signal
Consequently, the standard sampling frequency chosen in various standards are 48, 44.1, 44.059, 32 and 31.5 kHz. The standard bit numbers are 8, 14, 16, and 20 bits. The transfer rate of the audio data, therefore, is 96 kbyte/sec when sampling frequency is 48 kHz and coding bit …
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