"Spektr\u00E1ln\u00ED anal\u00FDza akustick\u00FDch sign\u00E1l\u016F je komplexn\u00ED obor digit\u00E1ln\u00EDho zpracov\u00E1n\u00ED sign\u00E1l\u016F. V na\u0161em p\u0159\u00EDsp\u011Bvku se zam\u011B\u0159ujeme na porovn\u00E1n\u00ED dvou metod spektr\u00E1ln\u00ED anal\u00FDzy. Prvn\u00ED z nich byla speci\u00E1ln\u011B navr\u017Eena pro anal\u00FDzu audio sign\u00E1l\u016F. Tato metoda vyu\u017E\u00EDv\u00E1 Diskr\u00E9tn\u00ED Fourierovu transformaci s adaptivn\u00EDm nastavov\u00E1n\u00EDm d\u00E9lky okna. V\u00FDb\u011Br optim\u00E1ln\u00ED d\u00E9lky okna je zalo\u017Een na principu minim\u00E1ln\u00ED velikosti spektr\u00E1n\u00EDho prosakov\u00E1n\u00ED. Druh\u00E1 metoda je nov\u00E1 Aproximovan\u00E1 Diskr\u00E9tn\u00ED Zolotarevova transformace, kter\u00E1 se zd\u00E1 b\u00FDt vhodn\u00FDm n\u00E1strojem pro anal\u00FDzu nestacion\u00E1rn\u00EDch sign\u00E1l\u016F."@cs . . "P(GAP102/11/1795), P(GD102/08/H008), S" . "Comparison of Two Spectral Methods for Acoustic Signals Analysis"@en . "17" . "Comparison of Two Spectral Methods for Acoustic Signals Analysis"@en . "RIV/68407700:21260/11:00186111!RIV12-MSM-21260___" . "4" . . . "1212-4702" . "CZ - \u010Cesk\u00E1 republika" . . "\u0160pet\u00EDk, Radim" . . "Porovn\u00E1n\u00ED dvou spektr\u00E1ln\u00EDch metod pro anal\u00FDzu akustick\u00FDch sign\u00E1l\u016F" . . . "Spektr\u00E1ln\u00ED anal\u00FDza akustick\u00FDch sign\u00E1l\u016F je komplexn\u00ED obor digit\u00E1ln\u00EDho zpracov\u00E1n\u00ED sign\u00E1l\u016F. V na\u0161em p\u0159\u00EDsp\u011Bvku se zam\u011B\u0159ujeme na porovn\u00E1n\u00ED dvou metod spektr\u00E1ln\u00ED anal\u00FDzy. Prvn\u00ED z nich byla speci\u00E1ln\u011B navr\u017Eena pro anal\u00FDzu audio sign\u00E1l\u016F. Tato metoda vyu\u017E\u00EDv\u00E1 Diskr\u00E9tn\u00ED Fourierovu transformaci s adaptivn\u00EDm nastavov\u00E1n\u00EDm d\u00E9lky okna. V\u00FDb\u011Br optim\u00E1ln\u00ED d\u00E9lky okna je zalo\u017Een na principu minim\u00E1ln\u00ED velikosti spektr\u00E1n\u00EDho prosakov\u00E1n\u00ED. Druh\u00E1 metoda je nov\u00E1 Aproximovan\u00E1 Diskr\u00E9tn\u00ED Zolotarevova transformace, kter\u00E1 se zd\u00E1 b\u00FDt vhodn\u00FDm n\u00E1strojem pro anal\u00FDzu nestacion\u00E1rn\u00EDch sign\u00E1l\u016F." . . "5"^^ . "221435" . . . "Porovn\u00E1n\u00ED dvou spektr\u00E1ln\u00EDch metod pro anal\u00FDzu akustick\u00FDch sign\u00E1l\u016F" . . . "Porovn\u00E1n\u00ED dvou spektr\u00E1ln\u00EDch metod pro anal\u00FDzu akustick\u00FDch sign\u00E1l\u016F"@cs . . "5"^^ . "Sovka, Pavel" . "RIV/68407700:21260/11:00186111" . "21260" . . "http://www.czakustika.cz/index.php?m_co=7" . "[9EA84EE025E4]" . "Akustick\u00E9 listy" . "Vl\u010Dek, Miroslav" . . "Porovn\u00E1n\u00ED dvou spektr\u00E1ln\u00EDch metod pro anal\u00FDzu akustick\u00FDch sign\u00E1l\u016F"@cs . . "Jan\u00EDk, J\u00E1n" . . "Turo\u0148, V\u00E1clav" . "Spectral analysis of acoustic signals is a complex discipline of the digital signal processing. Several methods are used for these purposes and the results are influenced by different factors. In this paper we focus on the comparison of two methods. The first one was designed for audio signal analysis. The method utilizes the Discrete Fourier Transform with varying window length which is based on minimal energy of spectral leakage. The second method is a new Approximated Discrete Zolotarev Transform (ADZT) which seems to give good results in non-stationary signal analysis."@en . "1"^^ . "Zolotarev transform; Fourier trasform; spectral analysis"@en . .