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Study of acoustic properties of enclosed rooms
Kovařík, Filip ; Fišarová, Zuzana (referee) ; Šťastník, Stanislav (advisor)
The bachelor thesis deals with the acoustics of enclosed spaces, its behaviour and impact on the clarity and quality of presentation. Here is written transmission of acoustic energy, behaviour of spatial and building acoustics, which builds their diagnostic methods. The work also includes legislative requirements stipulated by the acoustics of enclosed spaces and the achievement of these requirements using different types of acoustic absorption capacity of materials, applications, and more specifically their basic properties. In the experimental part, the measurement of reverberation time in a selected room and the adaptation of acoustic properties so that attained legislative requirements
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Analysis of Speech Masked by Noise in Public Transport Vehicles
Kobližka, Martin ; Zvončák, Vojtěch (referee) ; Jirásek, Ondřej (advisor)
This work deals with the problems of noise and speech masking in public transport . The theoretical is focused on the perception of sound in terms of loudness and frequency. The practical part includes recording noise inside public transport vehicles and determining the loudness and masking thresholds by the Zwicker method using Matlab. Furthermore, speech recording in different dynamics, listening tests and their evaluation in terms of speech intelligibility.
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Analysis of Speech Masked by Noise in Public Transport Vehicles
Kobližka, Martin ; Zvončák, Vojtěch (referee) ; Jirásek, Ondřej (advisor)
This work deals with the problems of noise and speech masking in public transport . The theoretical is focused on the perception of sound in terms of loudness and frequency. The practical part includes recording noise inside public transport vehicles and determining the loudness and masking thresholds by the Zwicker method using Matlab. Furthermore, speech recording in different dynamics, listening tests and their evaluation in terms of speech intelligibility.
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Study of acoustic properties of enclosed rooms
Kovařík, Filip ; Fišarová, Zuzana (referee) ; Šťastník, Stanislav (advisor)
The bachelor thesis deals with the acoustics of enclosed spaces, its behaviour and impact on the clarity and quality of presentation. Here is written transmission of acoustic energy, behaviour of spatial and building acoustics, which builds their diagnostic methods. The work also includes legislative requirements stipulated by the acoustics of enclosed spaces and the achievement of these requirements using different types of acoustic absorption capacity of materials, applications, and more specifically their basic properties. In the experimental part, the measurement of reverberation time in a selected room and the adaptation of acoustic properties so that attained legislative requirements
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The comparison of acoustic properties of interiors with focusing on speech intelligibility
KOZLOVÁ, Miroslava
This bachelor thesis is devoted to examining the acoustic properties of different rooms. Subsequent evaluation of these properties is carried out according to the intended use of the space. This thesis is divided into two parts. The first is the theoretical part, in which the physical nature of sound and properties and methods of the measurements of acoustic quantities intended for its description are explained. The second part is the practical part, which presents the results of the acoustic measurements in selected interiors. Acoustic measurements are focused on reverberation time and speech intelligibility.
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