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  2. Click (acoustics) - Wikipedia

    en.wikipedia.org/wiki/Click_(acoustics)

    When recording through an audio interface, insufficient computer performance or audio driver issues can cause clicks, pops and dropouts. They can result from improper clock sources [3] and buffer size. Also, clicks can be caused by electric devices near the computer or by faulty audio or mains cables. [4]

  3. Sonic artifact - Wikipedia

    en.wikipedia.org/wiki/Sonic_artifact

    These errors are termed artifacts (or sound/sonic artifacts), and may be pleasing or displeasing. A sonic artifact is sometimes a type of digital artifact , and in some cases is the result of data compression (not to be confused with dynamic range compression , which also may create sonic artifacts).

  4. Pre-echo - Wikipedia

    en.wikipedia.org/wiki/Pre-echo

    Avoiding pre-echo is a substantial design difficulty in transform domain lossy audio codecs such as MP3, MPEG-4 AAC, and Vorbis. It is also one of the problems encountered in digital room correction algorithms and frequency domain filters in general ( denoising by spectral subtraction, equalization , and others).

  5. Compression artifact - Wikipedia

    en.wikipedia.org/wiki/Compression_artifact

    A compression artifact (or artefact) is a noticeable distortion of media (including images, audio, and video) caused by the application of lossy compression. Lossy data compression involves discarding some of the media's data so that it becomes small enough to be stored within the desired disk space or transmitted ( streamed ) within the ...

  6. Spatial anti-aliasing - Wikipedia

    en.wikipedia.org/wiki/Spatial_anti-aliasing

    Anti-aliasing means removing signal components that have a higher frequency than is able to be properly resolved by the recording (or sampling) device. This removal is done before (re)sampling at a lower resolution. When sampling is performed without removing this part of the signal, it causes undesirable artifacts such as black-and-white noise.

  7. Digital artifact - Wikipedia

    en.wikipedia.org/wiki/Digital_artifact

    Digital artifact in information science, is any undesired or unintended alteration in data introduced in a digital process by an involved technique and/or technology. Digital artifact can be of any content types including text, audio , video , image , animation or a combination.

  8. Generation loss - Wikipedia

    en.wikipedia.org/wiki/Generation_loss

    Generation loss was a major consideration in complex analog audio and video editing, where multi-layered edits were often created by making intermediate mixes which were then "bounced down" back onto tape. Careful planning was required to minimize generation loss, and the resulting noise and poor frequency response.

  9. Noise reduction - Wikipedia

    en.wikipedia.org/wiki/Noise_reduction

    the available computer power and time available: a digital camera must apply noise reduction in a fraction of a second using a tiny onboard CPU, while a desktop computer has much more power and time whether sacrificing some real detail is acceptable if it allows more noise to be removed (how aggressively to decide whether variations in the ...