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Digital audio refers to sound that has been converted into a digital format, allowing it to be stored, edited, and transmitted using electronic devices. It is made up of a series of binary numbers that represent the amplitude of the sound wave at different points in time.
Digital audio is created through a process called analog-to-digital conversion. This involves taking an analog sound wave, such as a voice or a musical instrument, and converting it into a series of digital samples using an analog-to-digital converter. These samples are then stored as binary data in a digital audio file.
Digital audio offers several advantages over analog audio, including higher fidelity, better noise reduction, and the ability to be easily manipulated and edited using digital audio software. Digital audio files are also more compact and can be easily shared and transmitted over the internet.
Common file formats for digital audio include WAV, MP3, AAC, and FLAC. WAV files are uncompressed and offer high fidelity, while MP3 and AAC files are compressed and are more commonly used for streaming and sharing music online. FLAC files are lossless compressed files that retain all of the original audio data.
To create digital audio, you will need a microphone to capture sound, an audio interface to convert analog signals to digital, and a computer with digital audio software for recording and editing. You may also need headphones or studio monitors for monitoring your audio recordings.