signal processing
[/ˈsɪɡnəl ˈprɑːsesɪŋ/]
noun
processamento de sinais
1. The field of engineering and applied mathematics concerned with the analysis, interpretation, and manipulation of signals to extract useful information or improve signal quality
Signal processing is essential in audio engineering to remove background noise from recordings.
O processamento de sinais é essencial na engenharia de áudio para remover ruído de fundo das gravações.
2. The practice of applying mathematical and computational techniques to digital or analog signals for purposes such as filtering, compression, or enhancement
Advanced signal processing techniques are used in medical imaging to enhance image clarity.
Técnicas avançadas de processamento de sinais são usadas em imagem médica para melhorar a clareza da imagem.
3. The manipulation of signals (such as audio, video, or sensor data) using algorithms and hardware to achieve specific objectives
Modern smartphones use signal processing for voice recognition and noise cancellation.
Os smartphones modernos usam processamento de sinais para reconhecimento de voz e cancelamento de ruído.
Signal processing is a highly technical term used primarily in academic, engineering, and technology sectors in both Brazil and the USA. In Brazil, it is taught extensively in electrical engineering and telecommunications programs at major universities like USP and UFRJ. In the USA, it is a cornerstone field in computer science and electrical engineering curricula. The term is universally understood in professional and academic contexts with no significant cultural variations between regions.
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