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| Raumimpulsantwort× | Beamforming× | |
|---|---|---|
| Fachgebiet | Akustik | Akustik |
| Familie | Process / pipeline | Process / pipeline |
| Entstehungsjahr≠ | 1965 | 1988 |
| Urheber≠ | Manfred Schroeder | Van Veen, Barry Buckley |
| Typ≠ | Measurement pipeline for room acoustics | Directional audio array processing |
| Wegweisende Quelle≠ | Schroeder, M. R. (1965). New method of measuring reverberation time. Journal of the Acoustical Society of America, 37(6), 409–412. DOI ↗ | Van Veen, B. D., & Buckley, K. M. (1988). Beamforming: A versatile approach to spatial filtering. IEEE ASSP Magazine, 5(2), 4–24. DOI ↗ |
| Aliasnamen≠ | RIR, impulse response measurement | beamformer, spatial filtering, microphone array, phased array |
| Verwandt | 5 | 5 |
| Zusammenfassung≠ | The Room Impulse Response (RIR) is a measure of how a physical space (room) affects acoustic signals propagating through it. First formalized by Manfred Schroeder in 1965, RIR captures the complete acoustic character of a space by measuring the system response to an impulsive sound source. It is fundamental to characterizing room acoustics, designing audio systems, and modeling spatial audio effects. | Beamforming is a spatial signal processing technique that uses microphone arrays to selectively enhance sound from a desired direction while suppressing sounds from other directions. Formalized by Van Veen and Buckley in 1988, beamforming is fundamental to hands-free speech communication, hearing aids, sonar, radar, and spatial audio recording. It enables 'listening' with directional sensitivity despite using omnidirectional microphones, by exploiting time delays and phase differences between array elements. |
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