Download e-book for kindle: Multimedia Signals and Systems by Mrinal Kr. Mandal (auth.)

By Mrinal Kr. Mandal (auth.)

ISBN-10: 1402072708

ISBN-13: 9781402072703

Multimedia indications and Systems is essentially a technical introductory point multimedia textbook, together with difficulties, examples, and MATLABĀ® codes. will probably be a stepping-stone for readers who are looking to study in audio processing, snapshot and video processing, and knowledge compression.
This booklet may also be valuable to readers who're conducting examine and improvement in platforms parts equivalent to tv engineering and garage media.
Anyone who seeks to profit the middle multimedia sign processing suggestions and structures will want Multimedia signs and platforms. there are lots of chapters which are widespread in nature and supply key options of multimedia structures to technical in addition to non-technical individuals.
There also are numerous chapters that offer a mathematical/ analytical framework for simple multimedia sign processing. The readers are anticipated to have a few earlier wisdom approximately discrete signs and platforms, similar to Fourier remodel and electronic filters. although, a quick overview of those theories is supplied. extra fabric for this booklet, together with numerous MATLABĀ® codes besides a couple of attempt information samples; e.g., audio, photograph and video should be downloaded from

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Extra resources for Multimedia Signals and Systems

Example text

15. The reason is explained in Fig. l6(c). Yellow paint is seen as yellow because it reflects lights of wavelength in the range 500-600 nm, and absorbs all other wavelengths. On the other hand, blue paint is blue because it reflects lights of wavelength in the range 425-525 nm, and absorbs all other wavelengths. When yellow and blue paints are mixed, only a narrow band of wavelengths (500-530 nm) are reflected and all other wavelengths are absorbed. Hence, we see the green color. Note that most display devices employ additive color mixing to reproduce different colors, while the printing industry employs subtractive color mixing to reproduce colors.

When all red, green and blue are mixed in equal proportion, white color is obtained. In the experiment shown in Fig. 15 when different primaries are added, they excite the cone receptors differently, and we see a wide range of colors. This is known as additive color mixing. However, when paints of two Chapter 3: Human Visual Systems and Perceptions 45 different colors are mixed, we observe a different composite color. 16 shows an experiment mixing yellow and blue paint. It can be observed that the composite color is green instead of white as seen in Fig.

7. Multichannel audio playback. a) at home, b) at cinema. L: left channel, C: center, R: right, L-S : left surround, R-S: right surround, LFE: low frequency effects. 8. Live audio recording. a) Two-track recorder, (b) Four-track recorder, (c) conversion of four-track recorded signal to two-track. The advantage of multi-track audio is its flexibility. A track can be made ON or OFF during recording and/or playback. Consider a scenario where, after a performance had been recorded in a studio, it was found that the Chapter 2: Audio Fundamentals 23 piano signal was not blending well with the other components.

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Multimedia Signals and Systems by Mrinal Kr. Mandal (auth.)

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