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Human Speech Communication

Human Speech Communication

message linguistic code (< 50 b/s) motor control speech production SPEECH SIGNAL (> 50 kb/s) auditory processing speech perception processes linguistic code (< 50 b/s) message. speaker. self-control. dialogue interaction. adaptation. listener. Human Speech Communication. speaker.

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696 views • 51 slides
Lecture 7

Lecture 7

Lecture 7. Limits of hearing, critical bands Sound localization Hearing & vision compared Loudness of a pure tone Pitch of a pure tone. Instructor: David Kirkby (dkirkby@uci.edu). Miscellaneous.

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536 views • 39 slides
frequency

frequency

C. Shannon: Communication in Presence of Noise combination of channel and signal spectrum should be as flat (as random-like) as possible. energy of the signal. level of noise in the channel. frequency. energy of the signal. energy of the signal. level of noise in the channel.

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504 views • 36 slides
SOUND PRESSURE, POWER AND LOUDNESS

SOUND PRESSURE, POWER AND LOUDNESS

SOUND PRESSURE, POWER AND LOUDNESS. MUSICAL ACOUSTICS. Science of Sound Chapter 6. DECIBEL SCALES. Decibel scales are used to compare two quantities (levels) ? L = L 2 - L 1 = 10 log W 2 /W 1 or to compare a level with a reference level

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542 views • 35 slides
Pitch organisation in Western tonal music

Pitch organisation in Western tonal music

Pitch organisation in Western tonal music. Pitch in two dimensions. Pitch perception in music is often thought of in two dimensions, pitch height and pitch chroma (Shepard, 1964). (asa trk 52) This is to account for the perceived similarity of pitches that are separated by octaves.

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747 views • 34 slides
Building A Highly Accurate Mandarin Speech Recognizer

Building A Highly Accurate Mandarin Speech Recognizer

Building A Highly Accurate Mandarin Speech Recognizer. Mei-Yuh Hwang, Gang Peng, Wen Wang (SRI), Arlo Faria (ICSI), Mari Ostendorf, etc. Outline. Mandarin-specific modules: Word segmentation. Tonal phonetic pronunciations. Pronunciation look-up tools.

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466 views • 30 slides
Digital Representation of Audio Information

Digital Representation of Audio Information

Digital Representation of Audio Information. Kevin D. Donohue Electrical Engineering University of Kentucky. 11 10 01 00. Elements of a DSP System. Discrete-time Signal. Digital Signal. Analog Signal. Coder. Quantizer. Processed Digital Signal. Processed Analog Signal.

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321 views • 22 slides
Dr. Prem C. Pandey

Dr. Prem C. Pandey

Dr. Prem C. Pandey Dr. Pandey is a Professor in Electrical Engineering at IIT Bombay. He is currently also the Associate Dean of Academic Programmes.

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236 views • 4 slides

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