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What are the best free audio editors with basic recording and editing features for beginners?
Audacity, a popular open-source audio editor, has been downloaded over 100 million times since its release in 2000.
The human ear can process up to 340,000 audio frequencies, but most audio editors, including Audacity, can only process up to 44,100 Hz.
The Nyquist-Shannon sampling theorem states that a sampling rate of twice the highest frequency is required to accurately capture an audio signal, which is why CD quality audio is typically recorded at 44,100 Hz.
Acoustica, another popular free audio editing software, uses a proprietary algorithm to restore dialogue and reduce noise in audio recordings.
The concept of "stems" in audio editing, where a mix is broken down into individual tracks, was first introduced in the 1960s by Les Paul.
Adobe Audition, a comprehensive audio editing software, uses a 32-bit float sample depth, allowing for a wider dynamic range than 16-bit or 24-bit systems.
Apple's GarageBand, a free audio editor for Mac and iOS devices, uses a proprietary audio engine that allows for real-time effects and processing.
The first digital audio editor, Soundstream, was developed in the 1970s and used a IBM mainframe computer to edit audio.
Audacity's noise reduction feature uses a spectral gating algorithm, which is based on the concept of masking noise in the frequency domain.
The first multitrack audio recorder, the Ampex MM1000, was developed in the 1950s and used a 2-inch wide magnetic tape.
Most free audio editors, including Audacity and Acoustica, use a non-destructive editing approach, where the original audio file remains unchanged.
The concept of "timestretching" in audio editing, where audio is slowed down or sped up without changing pitch, was first introduced in the 1980s.
CyberLink's list of best free audio editing software for beginners in 2024 includes 12 software options, with Audacity and Acoustica ranking among the top three.
The human brain can process audio information in as little as 10-15 milliseconds, which is why audio editors often use this as a threshold for audio processing.
Audacity's beat-tracking feature uses a probabilistic approach to identify rhythmic patterns in audio, using a combination of Fourier analysis and machine learning algorithms.
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