Free reduce visible noise software for windows

Resize MP3 by re-process without appreciable loss of quality and get twice the music on your mobile phone or MP3 player With MP3 Reduce you can resize MP3 by re-process without appreciable loss of quality and get twice the music on your mobile phone or MP3 player.
Main features:
- sort by filename, Artist or Album
- display MP3/WAV or all
- reduce MP3 to 128, 96, 64 or 32Kbps
- make WAVs from MP3 for CD burning
- encode WAV to MP3
- file rename, delete
- preview player
- save, import, edit, delete M3U playlists
- ID3v1 TAG single/block edit

AbsoluteDeNoiser is an easy to use application that produces very competitive noise reduction filtering for digital images.
Digital cameras or scanners often produce images that contains noise, especially when using high ISO. This noise is made of random pixel variations that damage the picture in different manner, adding unwanted granular effects.
Main features:
- Edges detection : this analyse makes a separation between large surfaces with poor details, and places where some edges and/or details require a special attention. The value to tune enables to decide the sensitivity of the edges detection, thus the amount of the picture that is to be considered as details/edges or not. Surfaces and edges will then be processed in different ways in next steps.
- Surfacing : performs a calculation of local color cohesion to decide, for each pixel, what is the mean color value in the noise variations arround it, without merging two different surfaces together. This step also processes surfaces and edges in two different ways. The more important is the value that tunes the surface managment : it is the one that decides of the effective noise reduction. There is also a secondary value that tunes the edges managment, but it should often be kept at a low value to avoid bluring edges : in some cases it offers the possibility to reduce some edges pixelisation effects.
- Texturing : the step 2 may provide with "too" clean surfaces where some small details or textures could have been lost, and possibly a "plastic" effect. This final filter decides the amount of original pixels that should be added back to the clean surface to restore details and textures without re-introducing the noise that should be removed. A first value tunes how much part of pixels that was removed in step 2 shows a local regularity, thus how much noise vs details is to be considered on them. There is also a secondary value that tunes how much pure granularity, without special regularity, should be added back without re-introducing bad strong spots and scratches.

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Main features:
- Runs in the tray, just set it and forget it