PPT-Ch. 2 : Preprocessing of audio signals in time and frequency domain

Time framing Frequency model Fourier transform Spectrogram Preprocessing Ch2 v8c 1 Revision Raw data and PCM Human listening range 20Hz 20K Hz CD HiFi quality music 441KHz sampling 16bit. E-µ Armband. Christopher Allum, Jeffrey Maloney,. Shehzeen Hussain. Faculty Advisor: . Prof. Baird Soules. Department of Electrical and Computer Engineering. ECE 415/ECE 416 – SENIOR DESIGN PROJECT . Analog and Digital. Analog and Digital Data & Signals. Periodic & Aperiodic Signals. Contents. Information can be voice, image, numeric data, characters or any message that is readable and has meaning to the destination . Periodic Signals. 3.1 Exponential/Sinusoidal Signals as . Building Blocks for Many Signals. Time/Frequency Domain Basis Sets. Time . Domain. Frequency Domain.  .  .  .  .  . .  . .  .  .  . Aleksandar Chakarov and . Sriram. . Sankaranarayanan. University of Colorado Boulder. Georgios. . Fainekos. Arizona State University Tempe. Overview. Goal: . . Provide specification formalisms for. References. : 1. 3.3, 3.4 of Becchetti. 3. 9.3 of Huang. Waveform plots of typical vowel sounds - Voiced. （濁音）. tone. 1. tone 2. tone. 4 . t.  . (. 音高. ). Speech Production and Source Model. Analog and Digital. Analog and Digital Data & Signals. Periodic & Aperiodic Signals. Contents. Information can be voice, image, numeric data, characters or any message that is readable and has meaning to the destination . Husheng Li. The University of Tennessee. Homework 2. Deadline: Sept. 16, 2013. Spectrum. Physically, the signal is transmitted in the time domain.. It is more convenient to study the signal in the frequency domain.. Husheng Li. The University of Tennessee. Homework 2. Deadline: Sept. 16, 2013. Spectrum. Physically, the signal is transmitted in the time domain.. It is more convenient to study the signal in the frequency domain.. Cross correlation. Convolution. Last time: Convolution and cross-correlation. Properties. Shift-invariant: a sensible thing to require. Linearity: convenient. Can be used for smoothing, sharpening. Also main component of CNNs. analysis of communication signals and systems . Carrier signal . is strong and stable sinusoidal signal . x(t) = A cos(. w. c . t . q. ). Carrier transports . information. (audio, video, text, email) across the world. S. A. 1. D. 1. A. 2. D. 2. A. 3. D. 3. Bhushan D Patil. PhD Research Scholar . Department of Electrical Engineering. Indian Institute of Technology, Bombay. Powai, Mumbai. 400076. Outline of Talk. Overview. April 28, 2011. Taeseo. Ku. Civil & Environmental Engineering. EAS 4480. Introduction. 1. Shear wave velocity (V. s. ). Second fastest wave & Directional and . polarized. Most fundamental wave to geotechnical engineering. . MDO4000B . Mixed . Domain . Oscilloscope. Self Guided Tour. With this guide, you will explore what you can do with the world’s first oscilloscope with an integrated spectrum analyzer. Applications range from simple frequency / amplitude measurements of RF signals to time-correlated acquisitions of analog, digital . Weeks . 6 . and . 7 Lab Project. . Design and Analysis of Analog and Digital Filters.  . S. Stan Lan, Ph.D.. Professor, College of Engineering and Information Sciences. February 4, 2015. 1. February 4, 2015.