?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=RANCANG+BANGUN+PHONOCARDIOGRAPHY+YANG+DILENGKAPI+EKSTRAKSI+CIRI+SUARA+JANTUNG++MENGGUNAKAN+METODE+TRANSFORMASI+WAVELET+UNTUK+MENDETEKSI+KONDISI+JANTUNG&rft.creator=Dian+Kartika+Ratnasari%2C+1317041010&rft.subject=Q+Science+(General)&rft.description=Teknik+auskutasi+merupakan+teknik+mendengarkan+suara+jantung+menggunakan+stetoskop.+Ketidaknormalan+pada+suara+jantung+dapat+mengindikasi+masalah+yang+terdapat+pada+jantung.+Namun+suara+jantung+dan+murmur+memiliki+amplitudo+dan+frekuensi+yang+sangat+kecil+sehingga+sangat+sulit+untuk+didengar.+Terutama+untuk+dokter+yang+memiliki+pengalaman+dan+kepekaan+telinga+yang+berbeda+yang+dapat+menyebabkan+kesalahan+diagnosa.+Oleh+karena+itu+perlu+teknik+lain+yang+cocok+untuk+menganalisis+sinyal+suara+jantung+yaitu+phonocardiography.+Pada+penelitian+ini+dirancang+alat+phonocardiography+untuk+merekam%2C+menganalisis+dan+mengklasifikasikan+sinyal+suara+jantung+normal%2C+aortic+regurgitation%2C+aortic+stenosis%2C+mitral+regurgitation%2C+mitral+stenosis%2C+dan+patent+ductus+arteriosus.+Tahapan+penelitian+meliputi+perekaman+suara+jantung+manusia%2C+pra-pemrosesan%2C+ekstraksi+ciri%2C+klasifikasi%2C+dan+pasca+pemrosesan+dengan+bantuan+software+Matlab+7.8.0.+Pada+penelitian+ini+menggunakan+jenis+wavelet+daubechies+orde+10+untuk+porses+ekstraksi+ciri+dekomposisi+3+tingkat+dan+filtering+sinyal.+Klasifikasi+sinyal+suara+jantung+menggunakan+jaringan+syaraf+tiruan+backpropagation+dengan+struktur+8+neuron+input%2C+8+neuron+tersembunyi+dan+6+neuron+output.+Berdasarkan+penelitian+yang+telah+dilakukan+diperoleh+hasil+bahwa+presentase+akurasi+jaringan+syaraf+tiruan+mengenali+semua+jenis+suara+jantung+sebesar+100%25+dari+20+sampel+uji.+%0D%0A%0D%0AKata+kunci%3A+phonocardiography%2C+transformasi+wavelet%2C+backpropagation%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0A%0D%0AAuscultation+is+a+technique+of+listening+to+heart+sounds+by+using+mechanical+stethoscope.+Abnormality+in+the+heart+sound+can+indicate+problem+in+the+heart.+Nonetheless+heart+sounds+and+murmurs+have+very+small+amplitude+and+frequency+so+that+make+it+so+difficult+to+hear.+Especially+for+a+doctor+has+different+experienced+and+sensitifity+of+ear+which+could+lead+to+the+false+diagnosis.+Therefor%2C+it+was+require+the+appropriate+techniques+for+heart+sound+signals+analysis+using+phonocardiography.+In+this+study%2C+we+have+designed+a+phonocardiography+to+record%2C+analyze%2C+and+classify+the+heart+sounds+of+normal%2C+aortic+regurgitation%2C+aortic+stenosis%2C+mitral+regurgitation%2C+mitral+stenosis%2C+and+patent+ductus+arteriosus.+The+study+stages+are+recording+the+human+heart+sound%2C+pra-processing%2C+feature+extraction%2C+classifying%2C+and+post-processing+by+using+Matlab+7.8.0.+In+this+study%2C+we+used+daubechies+wavelet+order+10+for+the+feature+extraction+processes+of+3-level+decomposition+and+filtering+signal.+The+classifier+of+the+heart+sound+signals+which+have+been+used+in+this+study+is++backpropagation+Artificial+Neural+Network+(ANN)+with+structures+have+designed+from+8+neurons+input%2C+8+hidden+neurons+and+6+neurons+output.+Based+on+the+study+we+have+been+done+obtained+that+accuracy+percentage+of+the+ANN+recognized+all+types+of+the+heart+sounds+is+100%25+of+20+sample.%0D%0A%0D%0AKey+word%3A+phonocardiography%2C+wavelet+transform%2C+backpropagation%0D%0A&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+&rft.date=2017-08-22&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F28217%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F28217%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F28217%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN..pdf&rft.identifier=++Dian+Kartika+Ratnasari%2C+1317041010++(2017)+RANCANG+BANGUN+PHONOCARDIOGRAPHY+YANG+DILENGKAPI+EKSTRAKSI+CIRI+SUARA+JANTUNG+MENGGUNAKAN+METODE+TRANSFORMASI+WAVELET+UNTUK+MENDETEKSI+KONDISI+JANTUNG.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F28217%2F