networking, Computer Engineering

Assignment Help:
Nyquist''s sampling theorem says "if you have a signal that is perfectly band limited to a bandwidth of f0 then you can collect all the information there is in that signal by sampling it at discrete times, as long as your sample rate is greater than 2f0 " . The higher the sample rate the more small/fast fluctuations in the shape of the signal will be captured in a digital format - at the cost of having to use more storage space to store all of the extra numbers. The Nyquist theorem, which exactly describes the relationship between the sampling rate and the spectrum of the stored audio. According to the Nyquist theorem, the highest frequency which can be accurately represented in a digital audio format is exactly half of the sampling rate. This cutoff frequency at half the sampling rate is called the Nyquist frequency. For example, if a digital recording system is running at a sample rate of 44,100 Hz (the CD standard) then the highest frequency that system can accurately capture will be 22,050 Hz - exactly half the sample rate. As another example, if a digital recording system was running at a sample rate of 22,050 Hz (common on computers during the late 1980s and early 1990s) then the highest frequency it could accurately represent would be 11,025 Hz. Notice how this figure is considerably lower than the 20 kHz typically cited as the upper limit of human hearing. A recording/playback system at 22,050 Hz would be missing most of the brilliance register of the audible spectrumtion

Related Discussions:- networking

What data structure is used by an operating system, What data structure is ...

What data structure is used by an operating system to keep track of process information? Explain A data structure termed as process control block (PCB ) is used by an operat

Determine about the microprocessor, Determine about the microprocessor ...

Determine about the microprocessor A microprocessor contains at the least CPU which was the case in 1970s and early 1980s. Today they include cache memories, bus interfaces, an

Advantages and disadvantages of public-key cryptography, Advantages and Dis...

Advantages and Disadvantages of Public-key cryptography Advantages (i) Enhanced security and convenience  (ii) Electronic records may be authenticated by affixing

What are the touch panels, What are the Touch Panels In case of touch p...

What are the Touch Panels In case of touch panels, displayed objects or screen positions is allowed to be selected with the touch of a finger. A typical application of touch pa

At least two optional data fields, As an XML expert you are needed to model...

As an XML expert you are needed to model a system for an online furniture shop. After an interview with the shop manager you have the certain information: The detail of th

Volatility of memory - computer architecture, Volatility of memory: ...

Volatility of memory: Non-volatile memory will received the stored information even if it is not continually supplied with electric power. It is appropriate for long-term

Parallel computer architecture , Parallel Computer Architecture Intr...

Parallel Computer Architecture Introduction We have talked about the classification of parallel computers and their interconnection networks in that order in units 2 and

Risc architecture - computer architecture, RISC  architecture - computer a...

RISC  architecture - computer architecture: What is reduced regarding it? The answer of this question is that to make all instructions the equal length the number of bits that

Briefly explain register-to-register architecture, Register-to-Register Arc...

Register-to-Register Architecture In this organization results and operands are not accessed straight from main memory by scalar or vector registers. The vectors that are neede

Difference between latches and flip-flops based designs, What is the differ...

What is the difference between latches and flip-flops based designs Latches are level sensitive whether flip-flops are edge sensitive. So, latch based design and flop based des

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd