àudio
Áudio refers to the representation, transmission and reproduction of sound. In technology, the term covers electronic signals that encode audible information for storage, processing and playback. An audio signal can originate from acoustic sources converted to electrical form by a microphone or be produced directly by digital synthesis.
A typical audio chain begins with a transducer such as a microphone, followed by preamplification, analog-to-digital
Audio can be analog or digital. Analog audio preserves a continuous waveform, while digital audio samples the
File formats vary by compression and quality. Uncompressed formats include PCM in WAV or AIFF; lossy compressed
Applications span music production, film and television sound, telecommunications, streaming media, gaming and assistive listening devices.