Loudness and auditory masking compensation for mobile TV

Sack, Martijn C.; Buchinger, Shelley; Robitza, Werner; Hummelbrunner, Patrik; Nezveda, Matej; Hlavacs, Helmut

doi:10.1109/isbmsb.2010.5463103

Cited by 5 publications

(3 citation statements)

References 4 publications

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“…A traditional solution to this in car radios and audio systems has been the automatic gain control, which adjusts the volume according to car speed or background noise level inside the car cabin [212][213][214]. Additionally, dynamic range compression [121] may be used to reduce loudness changes, since the softest passages of music easily become inaudible in noise [212,215]. However, since the ambient noise hardly ever has a flat spectrum but usually contains more energy at low frequencies, like pink noise, simply increasing the gain is not the best way to combat this: the gain should usually be increased more at low frequencies than at high frequencies.…”

Section: Equalization To Combat Ambient Noisementioning

confidence: 99%

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All About Audio Equalization: Solutions and Frontiers

Välimäki

Reiss

2016

Applied Sciences

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Audio equalization is a vast and active research area. The extent of research means that one often cannot identify the preferred technique for a particular problem. This review paper bridges those gaps, systemically providing a deep understanding of the problems and approaches in audio equalization, their relative merits and applications. Digital signal processing techniques for modifying the spectral balance in audio signals and applications of these techniques are reviewed, ranging from classic equalizers to emerging designs based on new advances in signal processing and machine learning. Emphasis is placed on putting the range of approaches within a common mathematical and conceptual framework. The application areas discussed herein are diverse, and include well-defined, solvable problems of filter design subject to constraints, as well as newly emerging challenges that touch on problems in semantics, perception and human computer interaction. Case studies are given in order to illustrate key concepts and how they are applied in practice. We also recommend preferred signal processing approaches for important audio equalization problems. Finally, we discuss current challenges and the uncharted frontiers in this field. The source code for methods discussed in this paper is made available at https://code.soundsoftware.ac.uk/projects/allaboutaudioeq.

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Section: Equalization To Combat Ambient Noisementioning

confidence: 99%

“…The mobile use of headphones mostly happens in noisy environments, such as in cities with heavy traffic and on buses, trains, and airplanes [215]. Additionally, headphones are used in noisy work places for personal audio and for sound shading, which refers to pleasant masking noise to hide for example conversations.…”

Section: Equalization To Combat Ambient Noisementioning

confidence: 99%

All About Audio Equalization: Solutions and Frontiers

Välimäki

Reiss

2016

Applied Sciences

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“…In fact, environmental background noise is subject to significant variations on the way. Automatic adaptation to the users' context has been addressed in [8] but reported results are not advanced enough to be available on the market. Hence, audio functions such as loudness increase or decrease, mute and unmute represent additional key controls for users in mobile multimedia applications.…”

Section: Implemented Touch Controlsmentioning

confidence: 99%

Gesture and touch controlled video player interface for mobile devices

Buchinger

Hotop

Hlavacs

et al. 2010

Proceedings of the 18th ACM International Conference on Multimedia

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Today, mobile communication devices allow users to access a wide variety of multimedia contents and services. In order to improve user experience and device usability, the design of interfaces and interaction techniques for mobile devices have focused on new modalities, other than those used for desktop computers. In this paper, we describe a novel gesture controlled video player interface for mobile devices. The results of a usability study confirm that users would definitely like to adopt the major part of the proposed features. Furthermore, the responsiveness and reliability of the interface has been studied. Measured response times have been found to be within acceptable boundaries and the number of unrecognised haptic controls is limited.

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