Files with the .ac3 filename extension refer to the proprietary audio file format Dolby digital AC-3, developed by Dolby Laboratories. The AC-3 format is from the lossy family of audio compression formats. It supports a variety of audio channel configurations and was the first of its kind to support the full surround sound experience. Because of this, the format has been commonly used in the development of motion picture features designed for theaters and in consumer homes through DVDs and surround sound home theater systems. The AC-3 format is one of the supported audio codecs of the ATSC standard ' a set of standards developed for digital television transmission in several affiliated countries.
A .caf extension file is a Coral Audio Format file. This format is quite advanced as compared to older formats of digital audio like .wav and .aiff. The .caf format files are of a very high resolution in terms of recording and editing as well as playback. They offer features like unlimited file size, excellent recording, multiple data formats, auxiliary data and data dependency support.
FreeFileConvert uses tuned encoding for AC3 to CAF conversions, preserving clarity while trimming file size. Finished audio streams instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload AC3 files from desktop, tablet, or cloud storage, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized CAF results on any device you rely on.
Process up to 5 files sized 1000 MB per batch without splitting queues manually. Mixed-format uploads convert together, producing consistent CAF audio with dependable progress tracking.
The AC-3 audio encoding format supports between one and six channels with frequency ranges from 20 hertz to 20 kilohertz. The format contains frame headers which detail information about the rate of sampling, encoded channels, bit-rate among other details. It also consists of six audio blocks.
A .caf format file uses 64-bit file offset technology that can save a large number of recorded audio files in different formats and metadata tracks. Apart from audio data, these files store information like text, channel layouts, markers and annotations. Programs like Logic Studio and Soundtrack Pro frequently use CAF format files for additional sound effects and surround sound audio compression.
Upload your audio file in the AC3 format from your device, Dropbox, or Google Drive.
Select CAF as the output format and click Convert. Adjust optional settings if needed.
Download the converted audio file. Each file stays available for up to 5 downloads.