L. Freund, M. Israel, F. Rousseau, J. M. Berg, M. Auguin, C. Belleudy, and G. Gogniat, "A Codesign Experiment in Acoustic Echo Cancellation: GMDFa," in ACM Trans. on Design Automation of Electronic Systems, vol. 4, pp. 365-383, Oct. 1997. Home/Search Document Details and Download
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A Petri Net based Modeling and Verification Technique for.. - Cortes (2001) (Correct)
....t p , O t p , O 1 p outP p , O S p , O p ( M 0 p ( p P 0 p ( M 1 0 , p ( p P 46 Figure 5.7: A non hierarchical PRES model 5.2. 1 HIERARCHICAL MODELING OF A GMDFa In this section we model a GMDFa (Generalized Multi Delay frequency domain Filter) [Fre97] using PRES . GMDFa has been used in acoustic echo cancellation for improving the quality of hand free phone and teleconference applications. The GMDFa algorithm is a frequency domain block adaptive algorithm: a block of input data is processed at one time, producing a block of output data. The ....
L. Freund, M. Israel, F. Rousseau, J. M. Berg, M. Auguin, C. Belleudy, and G. Gogniat, "A Codesign Experiment in Acoustic Echo Cancellation: GMDFa," in ACM Trans. on Design Automation of Electronic Systems, vol. 4, pp. 365-383, Oct. 1997.
Verification of Real-Time Embedded Systems Using Petri Net.. - Cortes, Eles, Peng (2002) (Correct)
....few transitions and places, this example is rather complex because of its large (untimed) state space which is due to the high degree of parallelism. 4.2. Verification of a GMDFa In this section we model and verify a realistic system: a GMDFa (Generalized Multi Delay frequency domain Filter) [9]. GMDFa has been used in acoustic echo cancellation for improving the quality of hand free phone and teleconference applications. The GMDFa algorithm is a Table 1. Verification of the ring configuration example Numberof processes (n) Verification Time [s] Naive [5] Transformations Clustering ....
L. Freund, M. Israel, F. Rousseau, J. M. Berg, M. Auguin, C. Belleudy, and G. Gogniat, "A Codesign Experiment in Acoustic Echo Cancellation: GMDFa," in ACM Trans. on Design Automation of Electronic Systems, vol. 4, pp. 365-383, Oct. 1997.
System Synthesis for Multiprocessor Embedded Applications - Carro, Kreutz, Wagner.. (2000) (1 citation) (Correct)
....specified in any of these domains or refined into any of them, and every possible intermediate model during this stepwise refinement process may be cosimulated. Most work on hardware and software co design focuses on the synthesis of a dedicated hardware or of a dedicated instruction set processor [3,6,8,10 13]. In the Polis system, for instance, the target architecture is a set of commercial processors [14] However, all processors have the same characteristics. They are microcontrollers, targeted to embedded control and not to data intensive applications. The synthesis style is based on software ....
L.Freund et al. "A Codesign Experiment in Acoustic Echo Cancellation: GMDFa" In: IEEE International Conference on System Synthesis,
Hierarchies for the Modeling and Verification of Embedded.. - Cortes, Eles, Peng (2001) (Correct)
.... p , O S 1 p , O M 0 p ( M 0 p ( p P M 0 p ( M 1 0 , p ( p P 1 inP 1 outP 1 ( 5 p t 2 t 3 2 p 1 p 3 p 4 p t 1 in t in f c p in in [d ,d ] out out [d ,d ] t out out f 3 3 [d ,d ] 2 2 [d ,d ] 1 1 [d ,d ] N 1 S 1 9 [Fre97], ElH95] using PRES . GMDFa has been used in acoustic echo cancellation for improving the quality of hand free phone and teleconference applications. The GMDFa algorithm is a frequency domain block adaptive algorithm: a block of input data is processed at one time, producing a block of output ....
L. Freund, M. Israel, F. Rousseau, J. M. Berg, M. Auguin, C. Belleudy, and G. Gogniat, "A Codesign Experiment in Acoustic Echo Cancellation: GMDFa," in ACM Trans. on Design Automation of Electronic Systems, vol. 4, pp. 365-383, Oct. 1997.
Hierarchical Modeling and Verification of Embedded Systems - Cortes, Eles, Peng (2001) (1 citation) (Correct)
....PRES model Given the hierarchical net of Figure 3 and being (Figure 2) a refinement of , we can construct the equivalent non hierarchical net as illustrated in Figure 4. 4. Hierarchical Modeling of a GMDFa In this section we model a GMDFa (Generalized MultiDelay frequency domain Filter) [7] using PRES . GMDFa has been used in acoustic echo cancellation for improving the quality of hand free phone and teleconference applications. The GMDFa algorithm is a frequency domain block adaptive algorithm: a block of input data is processed at one time, producing a block of output data. The ....
L. Freund, M. Israel, F. Rousseau, J. M. Berg, M. Auguin, C. Belleudy, and G. Gogniat, "A Codesign Experiment in Acoustic Echo Cancellation: GMDFa," in ACM Trans. on Design Automation of Electronic Systems, vol. 4, pp. 365-383, Oct. 1997.
Parameterized Modeling And Scheduling For Dataflow Graphs - Bhattacharya (1999) (1 citation) (Correct)
....underlying dataflow model. We present a PCSDF model of this application in Section 6.2. 5.2. Block Adaptive Filtering In certain applications, like acoustic echo cancellation in teleconferencing, the necessity of frequency domain block adaptive filtering for computational efficiency is well known [21, 31, 16]. In Section 2.4, we had presented a PSDF model of a linear LMS adaptive filter. In this section we augment that by presenting a PSDF model of a time domain block adaptive filter and the corresponding frequency domain block adaptive filter. In a block adaptive filter, the incoming data sequence ....
....step N N N M M N 1 1 N N subblock update B. Bhattacharya, Parameterized Modeling and Scheduling of Dataflow Graphs. Page 168 of 224. input samples. For an acoustic echo cancellation application, the estimated output provides the estimated echo while the desired output comes from the actual echo [16]. The difference between the estimated output and the desired output is calculated in the subtract actor. The output of subtract provides the error signal, which determines the actual echo. The insZero actor inserts zeros at the beginning of the error signal, and the FFT2 actor transforms the ....
L. Freund, M. Israel, F. Rousseau, J. M. Berge, M. Auguin, C. Belleudy, and G. Gogniat, "A Codesign Experiment in Acoustic Echo Cancellation: GMDF," ACM Transactions on Design Automation of Electronic Systems, Vol. 2, No. 4, October, 1997.
System Synthesis for Multiprocessor Embedded Applications - Carro, Kreutz, Wagner.. (2000) (1 citation) (Correct)
....specified in any of these domains or refined into any of them, and every possible intermediate model during this stepwise refinement process may be cosimulated. Most work on hardware and software co design focuses on the synthesis of a dedicated hardware or of a dedicated instruction set processor [3,6,8,10 13]. In the Polis system, for instance, the target architecture is a set of commercial processors [14] However, all processors have the same characteristics. They are microcontrollers, targeted to embedded control and not to data intensive applications. The synthesis style is based on software ....
L.Freund et al. A Codesign Experiment in Acoustic Echo Cancellation: GMDF# In: IEEE International Conference on System Synthesis, 1996. Proceedings, IEEE Computer Science Press, 1996. pp 83-89.
Modeling and Verification of Embedded - Systems Using Petri (Correct)
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L. Freund, M. Israel, F. Rousseau, J. M. Berg, M. Auguin, C. Belleudy, and G. Gogniat, "A Codesign Experiment in Acoustic Echo Cancellation: GMDFa," in ACM Trans. on Design Automation of Electronic Systems, vol. 4, pp. 365-383, Oct. 1997.
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