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| Razumljivost govora× | Beamforming× | |
|---|---|---|
| Područje | Akustika | Akustika |
| Obitelj | Process / pipeline | Process / pipeline |
| Godina nastanka≠ | 1980 | 1988 |
| Tvorac≠ | Herman Steeneken, Tammo Houtgast | Van Veen, Barry Buckley |
| Vrsta≠ | Speech clarity assessment method | Directional audio array processing |
| Temeljni izvor≠ | Steeneken, H. J., & Houtgast, T. (1980). A physical method for measuring speech-transmission quality. Journal of the Acoustical Society of America, 67(1), 318–326. DOI ↗ | Van Veen, B. D., & Buckley, K. M. (1988). Beamforming: A versatile approach to spatial filtering. IEEE ASSP Magazine, 5(2), 4–24. DOI ↗ |
| Drugi nazivi | intelligibility metrics, STI, Speech Transmission Index, clarity index | beamformer, spatial filtering, microphone array, phased array |
| Srodne | 5 | 5 |
| Sažetak≠ | Speech intelligibility is a quantitative measure of how well listeners understand spoken content in acoustic environments. Formalized by Steeneken and Houtgast in 1980 with the Speech Transmission Index (STI), intelligibility metrics combine room acoustic parameters (RT60, noise, clarity) to predict listener comprehension. Understanding speech intelligibility is essential for designing classrooms, offices, hearing aids, and public address systems where clear communication is critical. | 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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