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	Zpracování řeči Proceedings of the Workshop on Speech Processing is a periodic publication collecting the contributions presented at the Czech-German Workshop organized every year in September in Prague This proceedings volume includes30 papers by 55 authors. Papers are devoted to phonetics and prosody, construction of dialogs, speech analysis, synthesis and enhancement, speaker and speech recognition and voice conversion. Detailed record
	Použití hřebenové filtrace při zvýrazňování řeči Vondra, Martin ; Vích, Robert Improvement of the classical single-channel speech enhancement techniques by comb filtering is presented in this paper. The comb filter is adaptive based on estimated pitch frequency and is applied in the spectral domain. Detailed record
	Úvodní kurs počítačového zpracování řeči pro studenty bakalářského studia Nouza, Jan The article presents concept of a one-semester course, prepared and taught by the author during his stay at ETH in Zurich in 2006. Detailed record
	Algoritmy potlačení šumu v řeči zkreslené telekomunikační sítí Koula, Ivan ; Esposito, A. This paper aims to provide an evaluation of the effectiveness of three different speech enhancement algorithms. The evaluation of their efficiency was based on the hit rate recognition by computer speech recognizer. These speech enhancement algorithms are based on the method of spectral subtraction and differ by noise spectrum estimation system. The first algorithm estimates noise spectrum on the basis of its statistical characters. Next two algorithms estimate noise spectrum by nonlinear adaptive models. Detailed record
	Experimenty se vzájemnou záměnou řečových stylů s použitím lineárního mapování průběhu FO v časové oblasti Přibil, Jiří ; Přibilová, Anna In this paper the experiments with the speaking styles transposition performed on the speech utterances produced by the TTS system with basic prosody are desribed. Speaking styles prototypes derived from five emotional states were obtained on the sentences with the same information content. The problem with different frame lenght between the prototype and the target utterance was solved by linear time scale mapping. The results were evluated by the listening tests of the resynthetised utterances. Detailed record
	Možnosti modelování prozodie TTS systému Epos s použitím MBROLA rozhraní Horák, Petr ; Chaloupka, Zdeněk This paper deals with prosody modelling possibilities of the Epos Text-To Speech (TTS) sytem. The aim is to build the TTS system with an absolute duration modelling of the separate sounds and the possibility of using MBROLA compatible Czech voices. The Epos is a very flexible language independent TTS system. It can be widely configured without the need of recompilation. The use of editable rules for every step during the synthesis makes it easy to monitor the progress of the synthesis and to apply changes. Detailed record
	Redukce hudebního šumu v systémech slepé separace zdrojů založených na časově-frekvenčním binárním maskování Čermák, Jan ; Araki, S. ; Sawada, H. ; Makino, S. Blind source separation (BSS) problem consists of estimating N sources from M mixtures without using source and mixing information. In the paper we focus on improving BSS method called time-frequency binary masking (TFBM). TFBM is a versatile approach due to its ability to separate sources even when N>M. The cost we pay for the versatility is the musical noise introduced to the separated signals by the binary masking. We introduce a method, which reduces musical noise and improves separation performance. Detailed record
	Použití RLPC inventářů systému Festival v Eposu Chaloupka, Zdeněk ; Horák, Petr The aim of this paper is to describe a possibility of the new voices implementation into the Epos text-to-speech (TTS) system. We implemented voices from the Festival TTS system. This system synthesizes text from speech units, which are stored in an inventory file as Residual Linear Prediction Coding (RLPC) coefficients. The inventory file provides every information needed for the text synthesis. The text is synthesized in the MROLA format, thus a phoneme length (and a prosody) can be determined directly. Detailed record

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