Results 11 to 20 of about 84,378 (284)
Manipulation of compressed data using MPEG-7 low level audio descriptors
Journal of Telecommunications and Information Technology, 2003 This paper analyses the consistency of a set of MPEG-7 low level audio descriptors when the input audio stream has previously been compressed with a lossy compression algorithm.
Jason Lukasiak +3 more
doaj +1 more source
High capacity audio watermarking using FFT amplitude interpolation [PDF]
, 2009 An audio watermarking technique in the frequency domain which takes advantage of interpolation is proposed. Interpolated FFT samples are used to generate imperceptible marks. The experimental results show that the suggested method has very high capacity (
Fallahpour Reza, Mehdi +1 more
core +2 more sources
Prototipe Kompresi Lossless Audio Codec Menggunakan Entropy Encoding
ComTech, 2010 The purpose of this study was to perform lossless compression on the uncompress audio file audio to minimize file size without reducing the quality. The application is developed using the entropy encoding compression method with rice coding technique ...
Andreas Soegandi
doaj +1 more source
High precision hybrid RF and ultrasonic chirp-based ranging for low-power IoT nodes [PDF]
, 2020 Hybrid acoustic-RF systems offer excellent ranging accuracy, yet they typically come at a power consumption that is too high to meet the energy constraints of mobile IoT nodes.
Cox, B +4 more
core +2 more sources
, 2013 In this paper a new adaptive audio watermarking algorithm based on Empirical Mode Decomposition (EMD) is introduced. The audio signal is divided into frames and each one is decomposed adaptively, by EMD, into intrinsic oscillatory components called ...
BOUDRAA, Abdel-Ouahab, KHALDI, Kais
core +5 more sources
Perceptual Coding of Audio Signals Using Adaptive Time-Frequency Transform
EURASIP Journal on Audio, Speech, and Music Processing, 2007 Wide band digital audio signals have a very high data-rate associated with them due to their complex nature and demand for high-quality reproduction.
Umapathy Karthikeyan, Krishnan Sridhar
doaj +2 more sources
Compression and Decompression of Audio Files Using the Arithmetic Coding Method
Scientific Journal of Informatics, 2019 Audio file size is relatively larger when compared to files with text format. Large files can cause various obstacles in the form of large space requirements for storage and a long enough time in the shipping process.
Parasian D. P Silitonga +1 more
doaj +1 more source
AMBIQUAL: Towards a Quality Metric for Headphone Rendered Compressed Ambisonic Spatial Audio
Applied Sciences, 2020 Spatial audio is essential for creating a sense of immersion in virtual environments. Efficient encoding methods are required to deliver spatial audio over networks without compromising Quality of Service (QoS).
Miroslaw Narbutt +5 more
doaj +1 more source
A Novel Audio Aggregation Watermarking Algorithm Based on Copyright Protection [PDF]
International Journal of Computational Intelligence Systems, 2014 A novel algorithm of audio aggregation watermarking was proposed in this paper for copyright protection. The algorithm not only protects copyright of a single audio in audio aggregation but also protects copyright of the whole audio aggregation.
Rangding Wang +4 more
doaj +1 more source
Smartphone-Based Hearing Aid Compression and Noise Reduction
Sensors, 2022 This paper presents an assistive hearing smartphone app mimicking the two main functions of hearing aids, consisting of compression and noise reduction. The app is designed to run in real time on smartphones or tablets.
Aoxin Ni, Nasser Kehtarnavaz
doaj +1 more source