The .ogm filename extension refers to the popular Ogg Vorbis video container format. It is a binary file format commonly known as the OGG file format. The ogg vorbis video container was designed to be a free and open source format, and is developed and maintained by the xiph.org foundation. It has its beginning in 1993 with wide spread use in the distribution of digital media over computer networks such as the internet. In the underlying structure of the format lays a video stream and an audio stream. A file with this extension can however have multiple tracks, subtitles, and multiple audio streams encoded in different formats.
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.
FreeFileConvert uses tuned encoding for OGM to AC3 conversions, preserving clarity while trimming file size. Finished audio streams instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload OGM files from desktop, tablet, or cloud storage, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized AC3 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 AC3 audio with dependable progress tracking.
XVid, Theora, or DivX are the common video encoding formats used to encode the video stream inside an OGM file. The audio stream can be encoded using numerous available and supported codecs including Vorbis, FLAC, Speex, and Opus among many others. OGM files can be formed by interleaving binary data from different media sources and time-continuous data streams.
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.
Upload your video file in the OGM format from your device, Dropbox, or Google Drive.
Select AC3 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.