Searching for authors named "Athanasios Mouchtaris" – sorted by Relevance.
9 documents found, showing 1 through 9.
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Packet loss concealment for multichannel audio using the multiband source/filter model
- …We recently proposed a multichannel audio coding method using a multiband source/filter model, which results in a compact representation of the original recording. Our method can reproduce the original recording using only one audio channel and side information for the remaining channels in the orde…
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Sinusoidal modeling of spot microphone signals based on noise transplantation fro multichannel audio coding
- …This paper focuses on high-fidelity multichannel audio modeling based on an enhanced adaptation of the well-known sinusoidal plus noise model (SNM). Sinusoids cannot be used per se for high-quality audio modeling because they do not represent all the audible information of a recording. The noise par…
- Cited by 2 (2 self) – Add To MetaCart
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Multichannel audio modeling and coding using a multiband source/filter model
- …In this paper we propose a source/filter model for achieving low bitrate transmission of multichannel audio signals, in which the filter part corresponds to the specifics of each microphone information while the source part contains mostly the interchannel similarities. Using the appropriate filter …
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MODELING SPOT MICROPHONE SIGNALS USING THE SINUSOIDAL PLUS NOISE APPROACH
- …This paper focuses on high-fidelity multichannel audio coding based on an enhanced adaptation of the well-known sinusoidal plus noise model (SNM). Sinusoids cannot be used per se for high-quality audio modeling because they do not represent all the audible information of a recording. The noise part …
- Cited by 2 (2 self) – Add To MetaCart
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Low Bitrate Coding of Spot Audio Signals for Interactive and Immersive Audio Applications
- …Abstract. In the last few years, a revolution has occurred in the area of consumer audio. Similarly to the transition from analog to digital sound that took place during the 80s, we have been experiencing the transition from 2-channel stereophonic sound to multichannel sound (e.g., 5.1 systems). Fut…
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MODELING AND CODING OF SPOT MICROPHONE SIGNALS FOR IMMERSIVE AUDIO BASED ON THE SINUSOIDAL MODEL
- …In this paper, our objective is to propose a coding method for low bitrate immersive audio applications. This translates into: (a) focusing on spot microphone signals for providing interactivity between the user and the environment, and (b) deriving a model which can take advantage of the similariti…
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Efficient Encoding of a Sinusoidally-Modelled Audio Signal Using Compressed Sensing
- …In this paper, the compressed sensing (CS) methodology is applied to the harmonic part of sinusoidallymodelled audio signals. As this part of the model is sparse by definition in the frequency domain, we investigate whether CS can be used for encoding this signal at low bitrates, instead of encoding…
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Immersive Sound Rendering Using Laser-Based Tracking
- …In this paper we describe the underlying concepts behind the spatial sound renderer built at the University of Southern California’s Immersive Audio Laboratory. In creating this sound rendering system, we were faced with three main challenges. First the rendering of sound using the Head-Related Tran…
- Cited by 1 (0 self) – Add To MetaCart
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Coding of Spot Microphone Signals
- …A multiresolution source/filter model for coding of audio source signals (spot recordings) is proposed. Spot recordings are a subset of the multimicrophone recordings of a music performance, before the mixing process is applied for producing the final multichannel audio mix. The technique enables lo…
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