Search Results - "Schlecht, Sebastian"
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1
Allpass Feedback Delay Networks
Published in IEEE transactions on signal processing (2021)“…In the 1960s, Schroeder and Logan introduced delay line-based allpass filters, which are still popular due to their computational efficiency and versatile…”
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2
Directional distribution of the pseudo intensity vector in anisotropic late reverberation
Published in The Journal of the Acoustical Society of America (01-02-2024)“…The pseudo intensity vector (PIV) is often used to analyze the directional properties of spatial room impulse responses. In the early part of the response, it…”
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3
KLANN: Linearising Long-Term Dynamics in Nonlinear Audio Effects Using Koopman Networks
Published in IEEE signal processing letters (2024)“…In recent years, neural network-based black-box modeling of nonlinear audio effects has improved considerably. Present convolutional and recurrent models can…”
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4
The auditory perceived aperture position of the transition between rooms
Published in The Journal of the Acoustical Society of America (01-09-2022)“…This exploratory study investigates the phenomenon of the auditory perceived aperture position (APAP): the point at which one feels they are in the boundary…”
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5
Colours of velvet noise
Published in Electronics letters (01-06-2022)“…Velvet noise is a sparse ternary pseudo‐random signal containing only a small portion of non‐zero values. In this work, the derivation of the spectral…”
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6
Calibrating the Sabine and Eyring formulas
Published in The Journal of the Acoustical Society of America (01-08-2022)“…Of the many available reverberation time prediction formulas, Sabine's and Eyring's equations are still widely used. The assumptions of homogeneity and…”
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7
Short-time coherence between repeated room impulse response measurements
Published in The Journal of the Acoustical Society of America (01-08-2024)“…Room impulse responses (RIRs) vary over time due to fluctuations in atmospheric temperature, humidity, and pressure. This can introduce uncertainties in room…”
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8
Robust selection of clean swept-sine measurements in non-stationary noise
Published in The Journal of the Acoustical Society of America (01-03-2022)“…The exponential sine sweep is a commonly used excitation signal in acoustic measurements, which, however, is susceptible to non-stationary noise. This paper…”
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9
Perceptual roughness of spatially assigned sparse noise for rendering reverberation
Published in The Journal of the Acoustical Society of America (01-11-2021)“…Multichannel auralizations based on spatial room impulse responses often employ sample-wise assignment of an omnidirectional response to form loudspeaker…”
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10
Two-Stage Attenuation Filter for Artificial Reverberation
Published in IEEE signal processing letters (2024)“…Delay networks are a common parametric method to synthesize the late part of the room reverberation. A delay network consists of several feedback loops, each…”
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11
Modal Excitation in Feedback Delay Networks
Published in IEEE signal processing letters (2024)“…Feedback delay networks (FDNs) are used in audio processing and synthesis. The modal shapes of the system describe the modal excitation by input and output…”
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12
Clearly audible room acoustical differences may not reveal where you are in a room
Published in The Journal of the Acoustical Society of America (01-08-2022)“…A common aim in virtual reality room acoustics simulation is accurate listener position dependent rendering. However, it is unclear whether a mismatch between…”
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13
Perceptual analysis of directional late reverberation
Published in The Journal of the Acoustical Society of America (01-05-2021)“…The late reverberation characteristics of a sound field are often assumed to be perceptually isotropic, meaning that the decay of energy is perceived as…”
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14
Acoustic Analysis and Dataset of Transitions Between Coupled Rooms
Published in ICASSP 2021 - 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) (06-06-2021)“…The measurement of room acoustics plays a wide role in audio research, from physical acoustics modelling and virtual reality applications to speech…”
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Conference Proceeding -
15
Grouped Feedback Delay Networks with Frequency-Dependent Coupling
Published in IEEE/ACM transactions on audio, speech, and language processing (01-01-2023)“…Feedback Delay Networks are one of the most popular and efficient means of generating artificial reverberation. Recently, we proposed the Grouped Feedback…”
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16
Modal Decomposition of Feedback Delay Networks
Published in IEEE transactions on signal processing (15-10-2019)“…Feedback delay networks (FDNs) belong to a general class of recursive filters which are widely used in sound synthesis and physical modeling applications. We…”
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17
Directional Feedback Delay Network
Published in Journal of the Audio Engineering Society (25-10-2019)Get full text
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18
Non-stationary noise removal from repeated sweep measurements
Published in JASA express letters (01-08-2024)“…Acoustic measurements using sine sweeps are prone to background noise and non-stationary disturbances. Repeated measurements can be averaged to improve the…”
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19
Generating coherence-constrained multisensor signals using balanced mixing and spectrally smooth filters
Published in The Journal of the Acoustical Society of America (01-03-2021)“…The spatial properties of a noise field can be described by a spatial coherence function. Synthetic multichannel noise signals exhibiting a specific spatial…”
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20
Common-Slope Modeling of Late Reverberation
Published in IEEE/ACM transactions on audio, speech, and language processing (2023)“…The decaying sound field in rooms is typically described by energy decay functions (EDFs). Late reverberation can deviate considerably from the ideal diffuse…”
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Journal Article