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Acoustical ranging techniques in embedded wireless sensor networked devices

Prasant Misra, Navinda Kottege, Branislav Kusy, Diethelm Ostry, Sanjay Jha
2013 ACM transactions on sensor networks  
In this article, we focus on robust range estimation, an important prerequisite for fine-grained localization.  ...  We distill the limitations of acoustic ranging; and present efficient signal designs and detection algorithms to overcome the challenges of coverage, range, accuracy/resolution, tolerance to Doppler's  ...  To achieve robustness against multipath and to improve signal detection latency, we selected a broadband signal with the bandwidth of 5 kHz.  ... 
doi:10.1145/2529981 fatcat:fbiea7ofvfahznac6gvxvf2wva

LSB Data Hiding in Digital Media: A Survey

Dang Tran, Hans-Jürgen Zepernick, Thi Chu
2022 EAI Endorsed Transactions on Industrial Networks and Intelligent Systems  
., capacity, imperceptibility, robustness, detectability, and security, and the related performance metrics used in this survey to compare the characteristics of the different LSB data hiding methods are  ...  In particular, least significant bit (LSB) data hiding is easy to implement and to combine with other hiding techniques, offers high embedding capacity for data, can resist steganalysis and several types  ...  High energy magnitude frequency components with respect to a given threshold and distortion level are selected for data hiding.  ... 
doi:10.4108/eai.5-4-2022.173783 fatcat:iupulvy6lrbwtglrvukb6gzrue

On the applications of multimedia processing to communications

R.V. Cox, B.G. Haskell, Y. LeCun, B. Shahraray, L. Rabiner
1998 Proceedings of the IEEE  
A key problem with packet networks is that they were not designed to handle voice traffic.  ...  The growth rate is astounding, with anticipated revenue from content-related Internet services expected to exceed $10 billion by the end of the decade.  ...  Reibman His research interests include digital transmission and coding of images, video telephone, satellite television transmission, and medical imaging, as well as most other applications of digital  ... 
doi:10.1109/5.664272 fatcat:yhn4kb3mmbctbbfus7br26oox4

Perceptual coding of digital audio

T. Painter, A. Spanias
2000 Proceedings of the IEEE  
This paper concludes with a discussion of future research directions.  ...  In response to this need, considerable research has been devoted to the development of algorithms for perceptually transparent coding of high-fidelity (CD-quality) digital audio.  ...  ACKNOWLEDGMENT The authors would like to thank the anonymous reviewers for their constructive comments and corrections.  ... 
doi:10.1109/5.842996 fatcat:jkfvoxg7zrcyxg6fyahe4u73pu

Relationship between room shape and acoustics of rectangular concert halls

Andrzej K. Klosak, Anders C. Gade
2008 Journal of the Acoustical Society of America  
The VFR method is applied to speech recognition in noisy environments to improve noise robustness.  ...  We here propose a much simplier and efficient method, which is very robust with noisy signals, working at one single frequency, in most cases around 40 kHz.  ...  The air bubbles associated with wakes from high-speed surface craft are highly reflective of incident high frequency sonar signal transmissions.  ... 
doi:10.1121/1.2933354 fatcat:eymbpllxwjcfdbkedeijrtwbwq

Nonnative listeners prefer perceptual cues they know from their L1: Dutch listeners use vowel duration less than English listeners for English final /v/‐/f/

Mirjam Broersma
2008 Journal of the Acoustical Society of America  
The VFR method is applied to speech recognition in noisy environments to improve noise robustness.  ...  We here propose a much simplier and efficient method, which is very robust with noisy signals, working at one single frequency, in most cases around 40 kHz.  ...  The air bubbles associated with wakes from high-speed surface craft are highly reflective of incident high frequency sonar signal transmissions.  ... 
doi:10.1121/1.2933287 fatcat:gqdetkftz5cmrghkql35figuw4

A binaural advantage in the subjective modulation transfer function with simple impulse responses

Eric R. Thompson, Torsten Dau
2008 Journal of the Acoustical Society of America  
The VFR method is applied to speech recognition in noisy environments to improve noise robustness.  ...  We here propose a much simplier and efficient method, which is very robust with noisy signals, working at one single frequency, in most cases around 40 kHz.  ...  Use of dual methods to infer methane bubble populations in gassy sediments: Inversion of combination-frequency data.  ... 
doi:10.1121/1.2933699 fatcat:4nc5pg4ysbhgrjcatwhr7fh77q

On determination of microphone response and other parameters by a hybrid experimental and numerical method

Salvador Barrera‐Figueroa, Finn Jacobsen, Knud Rasmussen
2008 Journal of the Acoustical Society of America  
The VFR method is applied to speech recognition in noisy environments to improve noise robustness.  ...  We here propose a much simplier and efficient method, which is very robust with noisy signals, working at one single frequency, in most cases around 40 kHz.  ...  Use of dual methods to infer methane bubble populations in gassy sediments: Inversion of combination-frequency data.  ... 
doi:10.1121/1.2933455 fatcat:gl6kkwih6rbkriigc7g6ghdlnq

The importance of bass clarity in pop and rock venues

Niels W. Adelman‐Larsen, Eric R. Thompson
2008 Journal of the Acoustical Society of America  
The VFR method is applied to speech recognition in noisy environments to improve noise robustness.  ...  We here propose a much simplier and efficient method, which is very robust with noisy signals, working at one single frequency, in most cases around 40 kHz.  ...  Use of dual methods to infer methane bubble populations in gassy sediments: Inversion of combination-frequency data.  ... 
doi:10.1121/1.2932922 fatcat:fvtlbt6x5vgelp5p67x53qtvgi

Acoustic Rendering and Auditory-Visual Cross-Modal Perception and Interaction

Vedad Hulusic, Carlo Harvey, Kurt Debattista, Nicolas Tsingos, Steve Walker, David Howard, Alan Chalmers
2012 Computer graphics forum (Print)  
Although the Human Visual System (HVS) and the Human Auditory System (HAS) are exceptionally sophisticated, they also contain certain perceptional and attentional limitations.  ...  Researchers, in fields such as psychology, have been investigating these limitations for several years and have come up with some findings which may be exploited in other fields.  ...  The holophony principle also implies that a dual recording technique exists by using a set of microphones surrounding the sound scene to capture [LLBM04] .  ... 
doi:10.1111/j.1467-8659.2011.02086.x fatcat:wjtdqzvfffemlfv7dckbsp6kze

Green's-function reaction dynamics: A particle-based approach for simulating biochemical networks in time and space

Jeroen S. van Zon, Pieter Rein ten Wolde
2005 Journal of Chemical Physics  
The VFR method is applied to speech recognition in noisy environments to improve noise robustness.  ...  We here propose a much simplier and efficient method, which is very robust with noisy signals, working at one single frequency, in most cases around 40 kHz.  ...  The air bubbles associated with wakes from high-speed surface craft are highly reflective of incident high frequency sonar signal transmissions.  ... 
doi:10.1063/1.2137716 pmid:16392952 fatcat:tyehqewfnzahfju3rxvivugvaa

Acoustic Rendering and Auditory-Visual Cross-Modal Perception and Interaction [article]

Vedad Hulusic, Carlo Harvey, Nicolas Tsingos, Kurt Debattista, Steve Walker, David Howard, Alan Chalmers
2011 Eurographics State of the Art Reports  
Although the Human Visual System (HVS) and the Human Auditory System (HAS) are exceptionally sophisticated, they also contain certain perceptional and attentional limitations.  ...  Researchers, in fields such as psychology, have been investigating these limitations for several years and have come up with some findings which may be exploited in other fields.  ...  The holophony principle also implies that a dual recording technique exists by using a set of microphones surrounding the sound scene to capture [LLBM04].  ... 
doi:10.2312/eg2011/stars/151-184 fatcat:3yhnfs3nwjfh7i6fp7lew52emm

Comodulation masking release in bit‐rate reduction systems

Martin D. Vestergaard, Karsten B. Rasmussen, Torben Poulsen
1999 Journal of the Acoustical Society of America  
A robust unit selection system for speech synthesis. Alistair Conkie ͑AT&T Labs.  ...  In an effort to capture the best features of both systems a unit-selection and synthesis algorithm has been devised that allows finer control than the CHATR system ͑version 0.8͒, both by applying selective  ...  The HELS method is shown to be effective in the low-to mid-frequency range, and can become a robust noise diagnostic tool for analyzing structure-borne sounds. ͓Work supported by NSF.͔ 1pSAa8.  ... 
doi:10.1121/1.425297 fatcat:fbabay7bmzfsxpgaf4re7sg6xm

Proposal and Evaluation of a Data Transmission Method for Using Sound in Accurate Indoor Positioning

Takeru Kadokura, Kohei Morishita, Shigenori Ioroi, Hiroshi Tanaka
unpublished
This fact leads to the realization of the system by sound, to provide both indoor positioning and sensor data transmission functions.  ...  The experimental setup includes a speaker and a microphone, and the bit error rate is evaluated by changing experimental conditions such as the transmitting frequency and the order of the M sequence code  ...  This result indicates that transmission using spread spectrum is robust in a noisy environment.  ... 
fatcat:tx7dftfoybavxdqtex3ews7x64

Daniel R. Raichel: The Science and Applications of Acoustics

Nico Schuler
2001 Computer Music Journal  
except for brief excerpts in connection with reviews or scholarly analysis.  ...  are subject to proprietary rights.  ...  produce equal noisiness and more is needed at low frequencies.  ... 
doi:10.1162/comj.2001.25.4.92 fatcat:o3u27vcdpbbdtaqanqrerx2tii
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