NDLI: A Multichannel Sinusoidal Model Applied to Spot Microphone Signals for Immersive Audio

Content Provider	IEEE Xplore Digital Library
Author	Tzagkarakis, C. Mouchtaris, A. Tsakalides, P.
Copyright Year	2006
Abstract	In this paper, a multichannel version of the sinusoids plus noise model (also known as deterministic plus stochastic decomposition) is proposed and applied to spot microphone signals of a music recording. These are the recordings captured by the various microphones placed in a venue, before the mixing process produces the final multichannel audio mix. Coding these microphone signals makes them available to the decoder, allowing for interactive audio reproduction which is a necessary component in immersive audio applications. The proposed model uses a single reference audio signal in order to derive a noise signal per spot microphone. This noise signal can significantly enhance the sinusoidal representation of the corresponding spot signal. The reference can be one of the spot signals or a downmix, depending on the application. Thus, for a collection of multiple spot signals, only the reference is fully encoded (e.g., as an MP3 monophonic signal). For the remaining spot signals, their sinusoidal parameters and corresponding noise spectral envelopes are retained and coded, resulting in bitrates for this side information in the order of 15 kb/s for perceptual performance above the 4.0 grade on the mean opinion score (MOS) scale.
Sponsorship	IEEE Signal Processing Society
Starting Page	1483
Ending Page	1497
Page Count	15
File Size	637921
File Format	PDF
ISSN	15587916
Volume Number	17
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-11-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Microphones Acoustic noise Audio recording Loudspeakers Audio coding Stochastic resonance Audio systems Computer science Frequency Multiple signal classification sinusoidal model Deterministic plus stochastic decomposition immersive audio multichannel audio noise transplantation
Content Type	Text
Resource Type	Article
Subject	Acoustics and Ultrasonics Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

A Multichannel Sinusoidal Model Applied to Spot Microphone Signals for Immersive Audio

Modeling Spot Microphone Signals using the Sinusoidal Plus Noise Approach

MODELING AND CODING OF SPOT MICROPHONE SIGNALS FOR IMMERSIVE AUDIO BASED ON THE SINUSOIDAL MODEL

Sinusoidal modeling of spot microphone signals based on noise transplantation fro multichannel audio coding (2007)

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Sinusoidal modeling of spot microphone signals based on noise transplantation for multichannel audio coding

Sinusoidal Modeling of Spot Microphone Signals Based on Noise Transplantation for Multichannel Audio Coding

Sinusoidal modeling of spot microphone signals based on noise transplantation fro multichannel audio coding (2007)

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A Multichannel Sinusoidal Model Applied to Spot Microphone Signals for Immersive Audio

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