Neat Video for Premiere
Enrich the functionality of Adobe premiere products by incorporating add-on for noise reduction. It accesses the audio track of the processed file and detects noise and grain in sequences of digital camera recordings or TV and analog conversions. Customizing the reduction is possible.
The 5.2.6 version of Neat Video for Premiere for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The application is included in Audio & Video Tools. This Mac app is a product of Absoft. We recommend checking the downloaded files with any free antivirus.
From the developer:
Neat Video for Premiere is a video noise reduction plug-in designed to reduce noise and grain in digital video sequences produced by digital video cameras, camcorders, TV-tuners, digitizers of film or analog video.
Examples of Neat Video performance: http://www.neatvideo.com/examples.html.
You may want to check out more software for Mac, such as Neat Video OpenFX, Flip Video Converter or Video Desktop Lite, which might be similar to Neat Video for Premiere.