Sprachverarbeitung und Sprachübertragung

Fellbaum, Klaus

doi:10.1007/978-3-642-31503-9

Cited by 10 publications

(3 citation statements)

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“…The human ear can perceive sound waves in the frequency range between about 20 Hz (lower limit) and 16 kHz (upper limit) [7]. Therefore, a sound in this range (audible window) is called audible sound.…”

Section: Review Of Human Hearingmentioning

confidence: 99%

“…single tone. With a voltageindependent capacitance, the ac voltages and currents in the introduced model (equations (7) to (10)) allow a frequency shift; however, they do not contain oscillating terms with other frequencies than the fundamental signal frequency. Due to the absence of higher harmonics, the THD of the transmitted signals is zero.…”

Section: Thd Of a Capacitor Modelmentioning

confidence: 99%

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Effect of Material Changes on the Total Harmonic Distortions Caused by Aluminum Electrolytic Capacitors

Kalbitz

2024

IEEE Access

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This paper describes a comparative study of the total harmonic distortion (THD) caused by commercial electrolytic capacitors. The study includes selected capacitors with a capacitance of 470 µF that are commercially available from eiSos Würth Elektronik, as well as custom-made capacitors that are manufactured at the production site. For the custom-made samples, the water content of the electrolyte, as well as the paper density, was systematically varied. The discussion of audibility of distortion is based on human sound perception. The results are compared with model calculations to check the plausibility of the measured harmonic distortions. This note concludes that capacitors do not introduce significant distortions at fundamental frequencies when transmitting signals. Modifications of the electrolyte or the separator paper practically do not influence the THD.

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Section: Review Of Human Hearingmentioning

confidence: 99%

Section: Thd Of a Capacitor Modelmentioning

confidence: 99%

Effect of Material Changes on the Total Harmonic Distortions Caused by Aluminum Electrolytic Capacitors

Kalbitz

2024

IEEE Access

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“…Speech intelligibility (SI) can be measured with different methods, usually in the frame of room acoustics and clinical audiology [8][9][10]. SI is a number between 0-100% and it is different for one syllable, multiple syllable words or sentences.…”

Section: Speech Intelligibilitymentioning

confidence: 99%

Speech Intelligibility and Subjective Evaluation of Music Playback of Sound Transducers with Glass and Wooden Membrane

Wersényi¹

2014

Acta Tech Jaur

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Novel state-of-the-art designer loudspeaker solutions offer "invisible audio" applications by applying a relatively small transducer onto glass or wooden plates, surfaces such as windows, tables, doors etc. Although manufacturers promise high quality transmission and good technical parameters, reliable measurement data do not exist. In our former evaluation, the SolidDrive system with glass membrane of different shapes, sizes, fixation methods was analyzed using vibration analysis, acoustic measurements and numerical simulations in COMSOL/FEM. This paper presents experimental results of standardized speech intelligibility measurements as well as subjective evaluation of the system.

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Städtische Emissionen

Mehra¹

2021

Stadtbauphysik

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Sprachverarbeitung und Sprachübertragung

Cited by 10 publications

References 0 publications

Effect of Material Changes on the Total Harmonic Distortions Caused by Aluminum Electrolytic Capacitors

Effect of Material Changes on the Total Harmonic Distortions Caused by Aluminum Electrolytic Capacitors

Speech Intelligibility and Subjective Evaluation of Music Playback of Sound Transducers with Glass and Wooden Membrane

Städtische Emissionen

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