Real-Time Signal Reconstruction from Short-Time Fourier Transform Magnitude Spectra Using FPGAs
Identifieur interne : 001C28 ( Main/Exploration ); précédent : 001C27; suivant : 001C29Real-Time Signal Reconstruction from Short-Time Fourier Transform Magnitude Spectra Using FPGAs
Auteurs : Mouhcine Chami [Maroc] ; Joseph Di Martino [France] ; Laurent Pierron [France] ; El Hassan Ibn Elhaj [Maroc]Source :
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Abstract
Real Time implementation of new frequential domain synthesizer algorithm based on the Nawab approach for signal reconstruction from short-time Fourier transform magnitude spectra is proposed in this paper. A register-transferlevel (RTL) synthesizer based on our algorithm was designed and simulated using VHDL as the hardware description language in respecting real time delay. The implemented RTL model was verified by comparing its performances with those obtained from a Python language implementation of the same synthesizer. We prove in particular that the proposed algorithm can be implemented in real time with a sampling frequency up to 60 kHz. Finally a real time implementation using an Altera DE2 development kit, generating good quality audio signals, was implemented.
Url:
Affiliations:
- France, Maroc
- Grand Est, Lorraine (région)
- Nancy
- Institut national polytechnique de Lorraine, Université Nancy 2, Université de Lorraine
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Le document en format XML
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Madinat AL Irfane - Rabat</addrLine><country key="MA"></country></address><ref type="url">http://www.inpt.ac.ma</ref></desc></hal:affiliation><country>Maroc</country></affiliation></author></analytic></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="mix" xml:lang="en"><term>Altera Kit Development</term><term>Magnitude-only reconstruction</term><term>Python</term><term>RTL</term><term>Real Time systems</term><term>Short-Time Fourier Transform</term><term>VHDL</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Real Time implementation of new frequential domain synthesizer algorithm based on the Nawab approach for signal reconstruction from short-time Fourier transform magnitude spectra is proposed in this paper. A register-transferlevel (RTL) synthesizer based on our algorithm was designed and simulated using VHDL as the hardware description language in respecting real time delay. The implemented RTL model was verified by comparing its performances with those obtained from a Python language implementation of the same synthesizer. We prove in particular that the proposed algorithm can be implemented in real time with a sampling frequency up to 60 kHz. Finally a real time implementation using an Altera DE2 development kit, generating good quality audio signals, was implemented.</div></front></TEI><affiliations><list><country><li>France</li><li>Maroc</li></country><region><li>Grand Est</li><li>Lorraine (région)</li></region><settlement><li>Nancy</li></settlement><orgName><li>Institut national polytechnique de Lorraine</li><li>Université Nancy 2</li><li>Université de Lorraine</li></orgName></list><tree><country name="Maroc"><noRegion><name sortKey="Chami, Mouhcine" sort="Chami, Mouhcine" uniqKey="Chami M" first="Mouhcine" last="Chami">Mouhcine Chami</name></noRegion><name sortKey="Ibn Elhaj, El Hassan" sort="Ibn Elhaj, El Hassan" uniqKey="Ibn Elhaj E" first="El Hassan" last="Ibn Elhaj">El Hassan Ibn Elhaj</name></country><country name="France"><region name="Grand Est"><name sortKey="Di Martino, Joseph" sort="Di Martino, Joseph" uniqKey="Di Martino J" first="Joseph" last="Di Martino">Joseph Di Martino</name></region><name sortKey="Pierron, Laurent" sort="Pierron, Laurent" uniqKey="Pierron L" first="Laurent" last="Pierron">Laurent Pierron</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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