dab digital audio broadcasting pdf

Ngày tải lên: 23/12/2013, 04:17

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Ngày tải lên: 21/02/2014, 09:20

... discrete time (or digital) transfer function can thus be dened as: Personal Computers and Digital Signal Processing 21 Digital Signal Processing Figure 2.1 Representation of a digital lter For ... w s /2 Personal Computers and Digital Signal Processing 46 Converting Analog to Digital Signals and Vice Versa Example: e dynamic range of the human ear is about 100 dB. If a digital audio system is required ... 17 1.6 ISA Interrupts 17 1.7 ISA DMA 18 2 Digital Signal Processing 20 2.1 Digital Filtering 20 2.2 Correlation Techniques 27 3 Converting Analog to Digital Signals and Vice Versa 31 3.1 A Typical...

Ngày tải lên: 08/03/2014, 19:20

... DAFX (Digital Audio Effects) Scientific Committee. His interests are centered in audio signal representations, sound synthesis by physical models, digital audio effects, spatial audio, audio coding, ... Fundamentals of digital signal processing The fundamentals of digital signal processing consist of the description of digital signals –inthe context of this book we use digital audio signals – ... literature for an introduction to digital signal processing [ME93, Orf96, Z ¨ ol05, MSY98, Mit01]. 1.3.1 Digital signals The digital signal representation of an analog audio signal as a sequence of...

Ngày tải lên: 16/03/2014, 11:20

... clear to send DAC digital- to-analog converter dB decibel dBc decibels relative to carrier (total signal) power DC direct current DDFS direct digital frequency synthesis DDS direct digital synthesizer DFF ... modulations very nonlinear. 6 Practical Digital Wireless Signals CMOS complementary metal-oxide-semiconductor CNR carrier-to-noise ratio CORDIC coordinated-rotation digital computer (algorithm) cp cyclic ... 86 3.2.1 ENB of filters 87 3.2.2 Limitations of the ENB concept 88 3.3 Digital bandlimiting filtering 89 3.3.1 Conventional digital filtering 89 Finite-impulse-response (FIR) filters 89 Infinite-impulse-response...

Ngày tải lên: 17/03/2014, 20:21

Ngày tải lên: 08/04/2014, 12:07

... consoles, portable audio players, smartphones, or appliances. Motivated by this expansion trend, in the past few years the range of research topics that have fallen within the digital audio effects ... are today addressed by the International Digital Audio Effects Conference (DAFx), which has become a reference gathering for researchers working in the audio field. In the many editions of the DAFx ... us to take a different look at nonlinearities, this time with reference to audio effects for music production. Digital audio effects are also part of the music production processing chain, which...

Ngày tải lên: 21/06/2014, 05:20

... Systems Digital PCM DAC Comp Class D Amp LC filter Digital PCM PCM to PWM Class D AMP LC filter Figure 1: DAC plus class D amplifier versus digital power audio amplifier. in Figure 1: new digital audio ... devices. An extra Digital- to-Analog Converter (DAC) is needed, before the analog amplifier, for digital sources: CD, Super Audio CD and DVD supports, MP3 files, and Digital Audio Broadcasting. To ... expense of audio quality reduction. 1.2. Aim and Outline of This Work. This work explores the design space of digital audio amplifiers to find an optimal mixing of different analog and digital techniques....

Ngày tải lên: 21/06/2014, 20:20

... F.Vella,A.Castorina,M.Mancuso,andG.Messina, Digital image stabilization by adaptive block motion vectors filtering,” IEEE Transactions on Consumer Electronics, vol. 48, no. 3, pp. 796–801, 2002. [3] S J. Ko, S H. Lee, and K H. Lee, Digital ... 2001. [16] H. H. Chen, C K. Liang, Y C. Peng, and H A. Chang, “Inte- gration of digital stabilizer with video codec for digital video cameras,” IEEE Transactions on Circuits and Systems for Video Technology, ... slow reaction of the LCD screen [1]. As DIS utilizes only digital image processing tech- niques, it can be easily integrated with other digital logics in a single chip. As a result, the implementation...

Ngày tải lên: 22/06/2014, 00:20

... 467–478, 1989. [3] K. Brandenburg and G. Stoll, “ISO-MPEG-1 audio: a generic standard for coding of high-quality digital audio, ” Journal of the Audio Engineering Society, vol. 42, no. 10, pp. 780–792, 1994. [4] ... resolution, both for synthetic and true audio signals. Finally, Section 6 concludes the paper. 2. PRELIMINARIES 2.1. Tonal audio signal model We will only consider tonal audio signals, that is, signals having ... of audio signals is covered, except for the class of percussive sounds. The performance of the different LP models described below will be evaluated for three types of audio signals: synthetic audio...

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