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EMPhone: Electromagnetic Covert Channel via Silent Audio Playback on Smartphones. [PDF]
Sensors (Basel)Kim Y, An H, Han DG.
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The Journal of the Acoustical Society of America, 2012
A device ( 10 ) for enhancing a multi-channel (e.g. stereo) audio signal has a parameter adjustment unit ( 13 ) for adjusting an original parameter (α, ILD, ICC) which represents an original inter-channel property of the audio signal. The device further comprises a processing unit ( 11 ) for processing the audio signal so as to produce an enhanced ...
Machiel Willem Van Loon +1 more
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A device ( 10 ) for enhancing a multi-channel (e.g. stereo) audio signal has a parameter adjustment unit ( 13 ) for adjusting an original parameter (α, ILD, ICC) which represents an original inter-channel property of the audio signal. The device further comprises a processing unit ( 11 ) for processing the audio signal so as to produce an enhanced ...
Machiel Willem Van Loon +1 more
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The Journal of the Acoustical Society of America, 2009
An audio system for processing two channels of audio input to provide more than two output channels. The input may be conventional stereo material or compressed audio signal data. The audio processing includes separating the input signals into frequency bands and processing the frequency bands according to processes which may differ from band to band ...
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An audio system for processing two channels of audio input to provide more than two output channels. The input may be conventional stereo material or compressed audio signal data. The audio processing includes separating the input signals into frequency bands and processing the frequency bands according to processes which may differ from band to band ...
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AUDIO SIGNAL ENCODER AND AUDIO SIGNAL DECODER
The Journal of the Acoustical Society of America, 2012A portable player (710) or a multi-channel home player (730) includes: a mixed signal decoding unit (711) for extracting a code string mixed with a multi-channel audio signal and representing a down mix signal and auxiliary information for returning the down mix signal to the multi-channel audio signal before being down-mixed, from a code string ...
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Multimedia Security in Audio Signals
2022 IEEE International Conference on Current Development in Engineering and Technology (CCET), 2022The security of Digital media has been varying continuously due to advanced malware attacks. Multimedia security has become one of the major concerns since new technologies are introduced. The proposed paper applied the watermarking technique in digital audio signals in which unique data is inserted in one-dimensional data in such a way that it must ...
Ritesh Diwaker, Deepak Asrani
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AUDIO SIGNAL REPRODUCTION DEVICE AND AUDIO SIGNAL REPRODUCTION SYSTEM
The Journal of the Acoustical Society of America, 2012In an audio signal reproduction device and an audio signal reproduction system of the present invention, an SLch sound is reproduced as a mixed sound that is adjusted appropriately by two speakers 5 a, 5 d located at Lch and SBLch speaker positions, and an SRch sound is reproduced as a mixed sound that is adjusted appropriately by two speakers
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The Journal of the Acoustical Society of America, 2010
Systems and methods of processing audio signals are described. The audio signals comprise information about spatial position of a sound source relative to a listener. At least one audio filter generates two filtered signals for each of audio signal.
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Systems and methods of processing audio signals are described. The audio signals comprise information about spatial position of a sound source relative to a listener. At least one audio filter generates two filtered signals for each of audio signal.
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ZIPF ANALYSIS OF AUDIO SIGNALS
Fractals, 2004This paper deals with several of the possible uses of Zipf and inverse Zipf laws in the field of audio signal analysis. We show that these laws are powerful analysis tools allowing the extraction of information not available by standard methods. The adaptation of Zipf and inverse Zipf laws to audio signals requires a coding of these signals into text ...
Dellandréa, Emmanuel +2 more
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The Journal of the Acoustical Society of America, 2007
An audio signal cable consisting of various combinations of two or more distinct types of conductors. The cable contains at least two conductors of different types. The individual conductors within the cable may be individually insulated or uninsulated. The individual conductors may also be of varying shapes and sizes.
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An audio signal cable consisting of various combinations of two or more distinct types of conductors. The cable contains at least two conductors of different types. The individual conductors within the cable may be individually insulated or uninsulated. The individual conductors may also be of varying shapes and sizes.
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The Lucasfilm Audio Signal Processor
Computer Music Journal, 1982The requirements of audio processing for motion pictures present several special problems that both make digital processing of audio very desirable and relatively difficult. The difficulties can be summarized as follows: (1) Large amounts of numerical computation are required, on the order of 2 million integer multiply-adds per second per channel of ...
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