By Erik Larsen, Ronald M. Aarts

ISBN-10: 0470858648

ISBN-13: 9780470858646

ISBN-10: 0470858656

ISBN-13: 9780470858653

Larsen (speech and listening to bioscience and know-how, Massachusetts Institute of expertise) and Aarts, a researcher within the deepest zone within the Netherlands, study purposes of bandwidth extension (BWE) to track and speech, putting specific emphasis on sign processing thoughts. overlaying idea, functions, and algorithms, they assessment vital recommendations in psychoacoustics, sign processing, and loudspeaker concept, and increase the speculation and implementation of BWE utilized to low-frequency sound replica, perceptually coded audio, speech, and noise abatement. an outline of a BWE patent is integrated. The e-book could be of curiosity to engineers, researchers, and postgraduate scholars in audio, sign processing, and speech.

Show description

Read Online or Download Audio Bandwidth Extension: Application of Psychoacoustics, Signal Processing and Loudspeaker Design PDF

Similar acoustics & sound books

Read e-book online Computational finite element methods in nanotechnology PDF

Computational Finite aspect equipment in Nanotechnology demonstrates the functions of finite aspect tools in nanotechnology for a number of fields. Bringing jointly contributions from researchers all over the world, it covers key recommendations in addition to state-of-the-art examine and functions to motivate new advancements and destiny interdisciplinary learn.

New PDF release: The Sonar of Dolphins

Over the a while, people have constantly been fasci­ demeanour and to provide a entire and nated through dolphins. This fascination heightened in equipped treatise at the topic. for my part, the Nineteen Fifties while oceanariums and aquariums such an attempt is lengthy late, seeing that there's a paucity of books in this topic.

Download PDF by Malcolm J. Crocker: Encyclopedia of Acoustics, Volume Four

Content material: bankruptcy 124 creation (pages 1557–1564): J. L. FlanaganChapter a hundred twenty five versions of Speech construction (pages 1565–1578): Kenneth N. StevensChapter 126 Speech belief (pages 1579–1588): Joanne L. MillerChapter 127 Acoustical research of Speech (pages 1589–1598): Gunnar FantChapter 128 strategies of Speech Coding (pages 1599–1606): Bishnu S.

Worship Space Acoustics: 3 Decades of Design by David T. Bradley, Erica E. Ryherd, Lauren M. Ronsse PDF

“Worship area Acoustics: three many years of layout is a gorgeous number of fresh paintings. it is a complete compendium that a ways surpasses past courses within the box in its intensity, layout, and knowledge. Worship areas of all significant U. S. religions are lined. This booklet can be an compulsory reference for any advisor interested in church structure and acoustics.

Additional info for Audio Bandwidth Extension: Application of Psychoacoustics, Signal Processing and Loudspeaker Design

Example text

9, which clearly shows the bandwidth limitation similar to a bandpass filter. 53) assuming an axis of symmetry at θ = 0 rad, where V is the velocity of the piston (Beranek [28], Kinsler et al. [142]), and J1 is a Bessel function, see Sec. 1. Assuming a velocity profile as depicted in Fig. 9, we can calculate the magnitude of the on-axis response (θ = 0). This is also depicted in Fig. 9, which shows a ‘flat’ SPL for ω ω0 . However, owing to the term in square brackets in Eq. 53, the off-axis pressure response (θ = 0) decreases with increasing ka.

77) 0 and is plotted in Fig. 14. 5]) H1 (z) = 2 π z4 z6 z2 − 2 2 + 2 2 2 −··· . 14 15 20 25 Plot of Struve function H1 (x) For the purpose of numerical computation, this series is only useful for small values of z. Eqns. 79) which is in agreement with the small ka approximation as can be found in the references given earlier, see also Fig. 12. 2 with ν = 1]). 80) but this is only useful for large values of z. Eqn. 64 and the first term of Eqn. 81) which is in agreement with the large ka approximation, as can also be found in the earlier given references.

16 Cross section of the cochlea, showing the various membranes and cavities, and the organ of Corti. The hair cells are supported between the organ of Corti and the tectorial membrane, to which they are attached by stereocilia. The movement of the stereocilia, in response to sound entering the ear, causes a neural response, carried to the brain by the auditory nerve The mechanical properties of the BM vary across the length of the cochlea: the BM is widest and has the lowest compliance at the apex, thereby causing each portion of the BM to respond maximally to a specific frequency (this is somewhat dependent on signal level).

Download PDF sample

Audio Bandwidth Extension: Application of Psychoacoustics, Signal Processing and Loudspeaker Design by Erik Larsen, Ronald M. Aarts


by Daniel
4.3

Rated 4.05 of 5 – based on 20 votes