'Noise shaping' presentation slideshows

Lecture 3 Quantization in Signals and Systems

807 views • 64 slides

Error Diffusion Halftoning Methods for High-Quality Printed and Displayed Images

Error Diffusion Halftoning Methods for High-Quality Printed and Displayed Images. Prof. Brian L. Evans. Embedded Signal Processing Laboratory The University of Texas at Austin Austin, TX 78712-1084 USA http:://www.ece.utexas.edu/~bevans.

635 views • 63 slides

Frequency Response of Amplifier

Frequency Response of Amplifier. Jack Ou Sonoma State University. RC Low Pass (Review). A pole: a root of the denomintor 1+sRC=0?S=-RC. Laplace Transform/Fourier Transform. (Laplace Transform). Complex s plane. | +p|. (Fourier Transform). -p. p=1/(RC).

739 views • 52 slides

Chapter 11 Fractional-N Synthesizers

Chapter 11 Fractional-N Synthesizers. 11.1 Basic Concepts 11.2 Randomization and Noise Shaping 11.3 Quantization Noise Reduction Techniques 11.4 Appendix I: Spectrum of Quantization Noise. Behzad Razavi, RF Microelectronics. Prepared by Bo Wen, UCLA. Chapter Outline.

888 views • 51 slides

Part 2

Part 2. ??-Converters by : Hamid Mala. content. Delta modulation Noise shaping Delta-sigma modulators continous-time & discrete-time passband delta-sigma modulators. Delta modulation. Delta modulation is based on quantizing the change in the signal from sample to sample.

353 views • 34 slides

By: Ricardo A. Garcia

DIGITAL WATERMARKING OF AUDIO SIGNALS USING A PSYCHOACOUSTIC AUDITORY MODEL AND SPREAD SPECTRUM THEORY. By: Ricardo A. Garcia. University of Miami School of Music 1999. Objectives:. Design an algorithm and implement a system capable of embedding digital watermarks into audio signals

398 views • 24 slides

Lecture 5 : Oversampling and Noise Shaping

Lecture 5 : Oversampling and Noise Shaping. Xiliang Luo 2014/10. Oversampling improve A/D accuracy. Oversampling improve A/D accuracy. WSS. Oversampling improve A/D accuracy. Oversampling improve A/D accuracy. Oversampling improve A/D accuracy. Oversampling improve A/D accuracy.

550 views • 24 slides

First Order Noise Shaping Time-to-Digital Converter Francesco Brandonisio ,

ICECS 2010. First Order Noise Shaping Time-to-Digital Converter Francesco Brandonisio , Prof. M. P. Kennedy and Prof. F. Maloberti (University of Pavia, Italy) 12 th Dec. 2010

442 views • 23 slides

Oversampling A/D Conversion

Oversampling A/D Conversion. Dr. Hossein Shamsi ECE Dept, K.N. Toosi University of Technology. Why oversampling?. Anti-Alias Filtering. Quantization Noise. Digital Noise Filter (1). Digital Noise Filter (2). Noise Shaping. Noise Shaping Using Feedback (1).

257 views • 23 slides

Example of Oversampling

Example of Oversampling. Aims and learning outcomes To demonstrate how oversampling can improve the quality of conversion for acoustic signals. Students will be able to: contrast the representations: PCM and DPCM; describe the components of an oversampling ADC;

665 views • 22 slides

PWM Audio Amplifiers

PWM Audio Amplifiers. Zhiming Deng Chinwuba Ezekwe Dimitrios Katsis. Outline. PWM Basics Digital Modulator Signal Flow Pulse Edge Delay Error Correction Volume Control. PWM Basics. Efficient modulation method when only two states (ON & OFF) are available

414 views • 20 slides

Data Conversion

Slides by Prof. Brian L. Evans, Dept. of ECE, UT Austin, and Dr. Thomas D. Kite (Audio Precision, Beaverton, OR tomk@audioprecision.com ) Dr. Ming Ding, when he was at the Dept. of ECE, UT Austin, converted slides by Dr. Kite to PowerPoint format

252 views • 16 slides

Data Conversion

Slides by Prof. Brian L. Evans, Dept. of ECE, UT Austin, and Dr. Thomas D. Kite, Audio Precision, Beaverton, OR tomk@audioprecision.com Mr. Ming Ding, Dept. of ECE, UT Austin, converted slides by Dr. Kite to PowerPoint format

247 views • 15 slides

The Design of a Delta Sigma Modulator

The Design of a Delta Sigma Modulator. Presented by: Sameh Assem Ibrahim. 24-July-2003. Introduction. Oversampling: f s > 2f m , OSR = f s /2f m > 1 Advantage 1: Relax anti-aliasing filter Advantage 2: Reduce in-band quantization noise and thus increase SNR

412 views • 7 slides