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What Is An Audio Artifact? - Home Music Producer
https://www.homemusicproducer.com/what-is-an-audio-artifact/
Audio artifacts can sometimes be temporal and spectral and other times they can be occlusion which is accidental (like when somebody accidentally blocks the microphone while recording). Sometimes audio artifacts can be used intentionally in audio production to achieve a desired goal but for the most part they occur unintentionally which could cause problems for …
#8467 (Audio artefacts encoding AAC) – FFmpeg
https://trac.ffmpeg.org/ticket/8467
I notice that the original audio is also aac, so passing -c:a copy works ok and sounds normal. Sadly this is not a viable workaround for me, as I have to change bitrate and sample-rate. I have also noticed that changing the bitrate and sample rate, changes the "pattern" of the artefacts, but I couldn't find a combination that sounded ok.
Compression Artifacts in Perceptual Audio Coding - IEEE ...
https://ieeexplore.ieee.org/document/4490000
Perceptual audio coding achieves a high compression ratio by exploiting the perceptual irrelevance and data redundancies. By using advanced and sophisticated signal processing methods, perceptual coding has generated artifacts that are quite different from the traditional distortions. A new audio technology becomes mature through the successful …
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