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The system which can monitor bird species based on automatic bird voices recognition is very useful in order to protect biodiversity of avifauna. In the paper database system together with an expert system and a recognition unit are... more
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      Expert SystemsBioacousticsData MiningDatabase Systems
System which can monitors bird species based on automatic bird voices recognition is very useful in order to protect biodiversity of avifauna. In the paper the electronic devices being integral part of the proposed acoustical bird... more
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      Electronic EngineeringBioacousticsElectronicsEcology
Method for improving audio signals recognition using multimedia database is presented in the paper. Recognition using signals patterns matching was assumed. Large number of signal patterns prolongs recognition time and may decrease... more
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      Environmental ScienceBioacousticsDatabase SystemsSpeaker Recognition
Automatic detection of bird species by their calls is studied in this paper. The conducted research is split into three experiments in which two birds’ species-specific filtration schemes are examined in comparison with experiment... more
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      BioacousticsAutomatic Speech RecognitionSpeech RecognitionFiltration
The system which can monitor bird species based on automatic bird voices recognition is very useful in order to protect biodiversity of avifauna. In the paper main aspects of using web mapping services in distributed environment together... more
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      BioacousticsEcologyDatabasesBird Conservation
Acoustical bird monitoring system is a new tool under construction, which will provide automatic support for bird species recognition. The project is an interdisciplinary research which involves specialists from ecology, biology,... more
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    •   16  
      BioacousticsEnvironmental ManagementEcologySpeech Recognition
W artykule przedstawiono wyniki badań dotyczących automatycznej detekcji wybranych wad wymowy u dzieci za pomocą automatycznego rozpoznawania mowy. Detekcja wady wymowy może być przeprowadzana pod kątem diagnozy lub terapii logopedycznej.... more
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    •   28  
      PhoneticsDynamic programmingAutomatic Speech RecognitionSpeech Recognition
Automatic bird species recognition method using their voices is presented in this paper. The selected bird species have been detected by hidden Markov models (HMM) classifier using Mel-frequency cepstral coefficients (MFCC). In order to... more
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      BioacousticsDigital Signal ProcessingAutomatic Speech RecognitionSpeech Recognition
This paper describes preliminary research results on enhancement of loudspeaker impulse response measurement in small room. Proposed enhancement is a combination of MLS (Maximum Length Sequence) algorithm and Delay-Sum Beamforming in... more
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    •   30  
      Acoustic EngineeringAcousticsDigital Signal ProcessingAcoustic Measurement Techniques
Results from preliminary research on recognition of Polish birds’ species are presented in the paper. Bird voices were recorded in a highly noised municipal environment. High 96 kHz sampling frequency has been used. As a feature set... more
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    •   21  
      TechnologyBioacousticsSignal ProcessingHuman Factors
Proper diagnosis and therapy of pathological pronunciation of phonemes play an important role in modern logopedics. To enhance the efficiency of diagnosis and therapy an automatic recognition of pathological phoneme pronunciation is... more
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    •   18  
      AlgorithmsTechnologyPhoneticsHuman Factors
System which can monitors bird species based on automatic bird voices recognition is very useful in order to protect biodiversity of avifauna. In the paper digital audio recorder being integral part of the proposed acoustical bird... more
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    •   19  
      Digital Signal ProcessingUltrasoundRecordingBiodiversity
Acoustical bird monitoring system is a new tool under construction, which will provide automatic support for bird species recognition. The project is an interdisciplinary research which involves specialists from ecology, biology,... more
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    •   14  
      BioacousticsEcologyEnvironmental MonitoringBiodiversity
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    •   17  
      PhoneticsAutomatic Speech RecognitionSpeech RecognitionSpeech Disorders
This paper describes preliminary research results on speech recognition of speech impaired children. A several Polish phonemes most confusing for speech impaired children were investigated. The records included utterances being the... more
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    •   18  
      PhoneticsDynamic programmingAutomatic Speech RecognitionSpeech Recognition
W artykule opisano wyniki badań, dotyczące automatycznego rozpoznawania mowy zaburzonej. Badania przeprowadzono dla kilku polskich fonemów sprawiających największe problemy dzieciom z wadami wymowy. Zbadano trzy rodzaje współczynników... more
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    •   14  
      PhoneticsDynamic programmingAutomatic Speech RecognitionSpeech Recognition
W zagadnieniach dotyczących ochrony środowiska ważnym zagadnieniem jest wykrywanie i monitorowanie obecności określonego gatunku ptaka na danym terytorium, czyli tzw. monitoring ptaków. W celu monitorowania obecności ptaków w ramach... more
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This paper describes preliminary research results on Polish speech recognition using DTW method aided by HMM. The HMM method is used as a preclassifier searching for n best hypotheses of the recognized words while the DTW – as a precise... more
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      Pattern RecognitionClustering and Classification MethodsDigital Signal ProcessingDynamic programming
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    •   10  
      Mechanical EngineeringAerospace EngineeringUser InterfaceGeneral Aviation