IEEE Transactions on Acoustics, Speech, and Signal Processing

Issue 5 • October 1975

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Displaying Results 1 - 19 of 19
  • [Front cover and table of contents]

    Publication Year: 1975, Page(s): 0
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    Freely Available from IEEE
  • Comments on "Statistical design of nonrecursive digital filters

    Publication Year: 1975, Page(s):494 - 495
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (192 KB)

    It is pointed out that a significant saving in storage requirements of the method presented in the above paper can be made without increasing computation effort. View full abstract»

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  • Authors' reply

    Publication Year: 1975, Page(s):495 - 497
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (251 KB)

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  • Comments on "Lumped parameter electromechanics of electret transducers"

    Publication Year: 1975, Page(s):497 - 498
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (209 KB)

    Certain statements in the above paper are argued and equations governing the slot effect transducers are discussed. View full abstract»

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  • Addendum to "Lumped parameter electromechanics of electret transducers"

    Publication Year: 1975, Page(s):498 - 500
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (318 KB)

    An error in a Maxwell stress tensor integral of the previous publication is identified, and two new volume and surface integration methods are presented as a check on the original lumped parameter electromechanical formulation. The two new methods verify the original result and clarify the issue of the effect of polarization forces on the electret. View full abstract»

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  • [Back cover]

    Publication Year: 1975, Page(s): 0
    Cited by:  Papers (3)
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    Freely Available from IEEE
  • Roundoff noise characteristics of a class of orthogonal polynomial structures

    Publication Year: 1975, Page(s):473 - 486
    Cited by:  Papers (57)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1456 KB)

    The roundoff noise characteristics of three digital filter structures derived from the theory of orthogonal polynomials are studied and compared to the two standard forms, the direct and parallel forms. Both theoretical and experimental results are presented. It is shown that in terms of roundoff noise, the worst of the orthogonal filter forms (the two-multiplier lattice form) is superior to the d... View full abstract»

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  • The SRI speech understanding system

    Publication Year: 1975, Page(s):397 - 416
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2248 KB)

    This paper describes the structure of the second version of the Stanford Research Institute (SRI) speech understanding system and presents the data gathered on its performance. The system is distinctive in the way that knowledge from various sources is coordinated by a "best-first" parser to predict the sequence of words in an utterance, and in the use of word functions-programs that represent the... View full abstract»

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  • A best-first parser

    Publication Year: 1975, Page(s):426 - 432
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (880 KB)

    A parser for a speech understanding system is described. The parser uses a best-first strategy in which alternative paths are assigned priorities and paths are suspended as long as there is a higher priority alternative to explore. Discussions are included on the types of steps in a parse, the assignment of priorities, cooperation among competing parses, and experimental results. View full abstract»

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  • Digitale systeme zur signalverarbeitung

    Publication Year: 1975, Page(s):502 - 503
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (344 KB)

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  • Fixed-point implementation algorithms for a class of orthogonal polynominal filter structures

    Publication Year: 1975, Page(s):486 - 494
    Cited by:  Papers (22)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (672 KB)

    In previous papers it has been demonstrated that a class of digital filter structures derived from the theory of orthogonal polynomials has practical utility in digital signal processing problems. In this paper the specific algorithms necessary to synthesize and scale these structures in fixed-point arithmetic (based upon L2norm scaling) are presented and implemented as Fortran programs... View full abstract»

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  • Acoustic phonetic research in speech understanding

    Publication Year: 1975, Page(s):416 - 426
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1472 KB)

    This paper describes the acoustic processing in a syntactically guided natural language speech understanding system. A major characteristic of this system is that through the interaction of pragmatic, semantic, and syntactic information, candidate words are proposed to exist at specific points in the acoustic stream. The purpose of the acoustic processor is to verify or reject these hypotheses. Th... View full abstract»

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  • A novel implementation for narrow-band FIR digital filters

    Publication Year: 1975, Page(s):457 - 464
    Cited by:  Papers (83)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (744 KB)

    In an earlier paper Crochiere and Rabiner [1] discuss the theory of using finite impulse response (FIR) digital filters for signal decimation, interpolation, and filtering. In this paper we expand on the ideas presented in the earlier paper on implementing narrow-band designs efficiently. It is shown how, using the techniques of decimation and interpolation, a desired narrow-band filter can be rea... View full abstract»

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  • Optimum FIR digital filter implementations for decimation, interpolation, and narrow-band filtering

    Publication Year: 1975, Page(s):444 - 456
    Cited by:  Papers (138)  |  Patents (41)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1272 KB)

    In this paper a general theory of multistage decimators and interpolators for sampling rate reduction and sampling rate increase is presented. A set of curves and the necessary relations for optimally designing multistage decimators is also given. It is shown that the processes of decimation and interpolation are duals and therefore the same set of design curves applies to both problems. Further, ... View full abstract»

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  • Modern filter theory and design

    Publication Year: 1975, Page(s): 502
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (160 KB)

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  • Heuristic optimization of the cascade realization of fixed-point digital filters

    Publication Year: 1975, Page(s):464 - 473
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (880 KB)

    In the cascade realization of fixed-point digital filters under dynamic range constraints, the output noise due to accumulation of roundoff errors is highly dependent upon the order of the sections. For recursive filters it also depends on the pole-zero pairing that forms the individual second-order sections. The output noise may vary over several orders of magnitude for different cascade realizat... View full abstract»

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  • Observations on "Slot effect" transducer analyses

    Publication Year: 1975, Page(s):500 - 501
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (232 KB)

    Several observations are made on the series of papers by O. D. Jefimenko and T. B. Jones on "slot effect" transducers. View full abstract»

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  • Approximation of digital filters in one and two dimensions

    Publication Year: 1975, Page(s):438 - 443
    Cited by:  Papers (23)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (480 KB)

    An algorithm for the time domain approximation of discrete systems with a recursion is described. The algorithm iterates towards a solution minimizing the sum of squared differences between the desired and the actual output. Convergence is guaranteed. The scheme is applied to the design of low-pass filters by time domain approximation. The results compare well with other design strategies. We have... View full abstract»

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  • Speech zero-crossing rate compression for bandwidth compression

    Publication Year: 1975, Page(s):433 - 438
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (520 KB)

    As analysis performed on a proposed special purpose hearing aid yields data on single-sidebanded voice zero-crossing rates extracted by a phase-locked loop (PLL), and also data on the logarithmically compressed voltage analog of the zero-crossing rate. The PLL demodulation is shown to correspond well with first and second formats of the eight vowels analyzed. Three fricatives were also investigate... View full abstract»

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Aims & Scope

This Transactions ceased production in 1990. The current retitled publication is IEEE Transactions on Signal Processing.

Full Aims & Scope