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Article
Automatic heart activity diagnosis based on Gram polynomials and probabilistic neural networks
The paper proposes a new approach to heart activity diagnosis based on Gram polynomials and probabilistic neural networks (PNN). Heart disease recognition is based on the analysis of phonocardiogram (PCG) digi...
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Chapter and Conference Paper
A Neural Network Pattern Recognition Approach to Automatic Rainfall Classification by Using Signal Strength in LTE/4G Networks
Accurate and real time rainfall levels estimations are very useful in various applications of hydraulic structure design, agriculture, weather forecasting, climate modeling, etc. An accurate measurement of rai...
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Chapter
Neuro-Fuzzy Applications in Speech Coding and Recognition
The recent growth of multimedia mobile communications based on man-machine interaction has increased the demand for advanced speech processing algorithms capable of providing good performance levels, even in a...
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Chapter and Conference Paper
Intrastandard Hybrid Speech Coding for Adaptive IP Telephony
This paper presents new speech coding issues and algorithms involved in IP telephony. To develop an efficient system of adaptive voice over IP (VoIP), in fact, besides traditional networking aspects, a series ...
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Chapter and Conference Paper
A Multi-Channel Approach to Voice Activity Detection in Noisy Environments based on Time Delay Estimation
In the field of mobile communications correct Voice Activity Detection (VAD) is a crucial point for the perceived speech quality, the reduction of co-channel interference, and power consumption in portable equ...
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Article
A pattern classification proposal for object‐oriented audio coding in MPEG‐4
The future MPEG‐4 standard will adopt an object‐oriented encoding strategy whereby an audio source is encoded at a very low bit‐rate by adapting a suitable coding scheme to the local characteristics of the sig...