high-pass filter
[/haɪ pæs ˈfɪltər/]
nounpl: high-pass filters
filtro passa-alta
1. An electronic filter that allows signals with frequencies higher than a specified cutoff frequency to pass through while attenuating signals with lower frequencies
The audio engineer applied a high-pass filter to remove low-frequency rumble from the recording.
O engenheiro de áudio aplicou um filtro passa-alta para remover o ruído de baixa frequência da gravação.
2. A circuit or device used in signal processing to eliminate unwanted low-frequency components from a signal
A high-pass filter is essential in microphone preprocessing to eliminate wind noise.
Um filtro passa-alta é essencial no pré-processamento de microfone para eliminar ruído de vento.
High-pass filters are fundamental in audio engineering and signal processing across both Brazil and the USA. In Brazilian music production studios, the term 'filtro passa-alta' is widely understood among audio professionals. The technology is essential in modern recording, particularly in podcast and streaming audio production where noise reduction is critical. This is technical vocabulary primarily used by engineers, producers, and technicians rather than in everyday speech.
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