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Syllabic-companding log domain filters

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dc.contributor.author Frey, D en
dc.contributor.author Tsividis, YP en
dc.contributor.author Efthivoulidis, G en
dc.contributor.author Krishnapura, N en
dc.date.accessioned 2014-03-01T01:17:12Z
dc.date.available 2014-03-01T01:17:12Z
dc.date.issued 2001 en
dc.identifier.issn 1057-7130 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/14389
dc.subject Analog filters en
dc.subject Companding en
dc.subject Log domain filters en
dc.subject System theory en
dc.subject.classification Engineering, Electrical & Electronic en
dc.subject.other Dolby system en
dc.subject.other Filter equations en
dc.subject.other First-order circuit design en
dc.subject.other Log domain filter en
dc.subject.other Second-order circuit design en
dc.subject.other Translinear technique en
dc.subject.other Amplification en
dc.subject.other Bandpass filters en
dc.subject.other Computer simulation en
dc.subject.other Electric network synthesis en
dc.subject.other Frequency response en
dc.subject.other Mathematical models en
dc.subject.other Parameter estimation en
dc.subject.other Signal to noise ratio en
dc.subject.other State space methods en
dc.subject.other Digital filters en
dc.title Syllabic-companding log domain filters en
heal.type journalArticle en
heal.identifier.primary 10.1109/82.933791 en
heal.identifier.secondary http://dx.doi.org/10.1109/82.933791 en
heal.language English en
heal.publicationDate 2001 en
heal.abstract A general theory for companding log domain filters is proposed which combines not only exponential mappings, but also a new translational mapping approach which guarantees suitable operating conditions in any log domain filter. The filter equations resulting from the use of the theory ultimately contain translinear terms which are known to be realizable using translinear techniques. A discussion of the design of the companding filters, regarding the economical use of translinear loops and the convenient selection of system parameters, is offered which leads to first- and second-order circuit designs. Finally, the noise performance of an example design is investigated using a carefully crafted large-signal simulation technique, showing clearly the advantage of the companding filter approach. en
heal.publisher IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC en
heal.journalName IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing en
dc.identifier.doi 10.1109/82.933791 en
dc.identifier.isi ISI:000169927000001 en
dc.identifier.volume 48 en
dc.identifier.issue 4 en
dc.identifier.spage 329 en
dc.identifier.epage 339 en


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