CPI File Extension

CPI file icon
AVCHD Video Clip Information Format
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  • Popularity
    3.6 (23 votes)

What is CPI file?

File with.CPI extension contains information about video stream and metadata that describe it. CPI file doesn’t hold any video or audio data. CPI files store movies in proprietary AVCHD format used by High Definition digital cameras. AVCHD file folder usually contains clipinf subfolder in which CPI files are saved – each file has a related MTS clip stored in ‘stream’ folder. CPI files store data such as:

  • video-related information:
    • Frames per second (frame rate),
    • Image aspect ratio,
    • Height and width in pixels,
    • Format and ID,
  • audio-related information:
    • Compression,
    • Sampling rate,
    • Number of channels,
    • ID and format,

CPI format was developed jointly by Sony and Panasonic for HD cameras. It was first used in 2006. Presence of CPI files is necessary only if given video stream is to be played on the camera or if the complete AVCHD structure is needed by a software application such as Final Cut Pro or iMovie. If only a single MTS must be opened, related CPI is usually not required.

We hope we helped you solve the problem with the CPI file. If you do not know where you can download the application from our list, click on the link (which is the name of the program) - you will find more information there on the location where to download the secure setup version of the required application.

What else may cause problems?

There can be more reasons which determine that you are not able to open the CPI file (apart from the lack of the proper application installed).

First - the CPI file may be incorrectly associated with the application installed to support it. In this case, you need to change this association by yourself. To do this, right-click on the CPI file that you want to edit, click "Open with" and then select the program from the list that you have installed. After this operation, the problems with opening the CPI file should be solved.

Second - the file you want to open can simply be damaged. Then, the best solution is to find a new version of given file, or download it again from the same source as before (maybe for some reason in the previous session the download of the CPI file has not been completed and it cannot be opened properly).

Do you want to help?

If you have additional information about the CPI file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on CPI file.

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