3GPP to AAC Converter
DevConverter converts your video files online. Amongst many others, we support MP4, WEBM and AVI. You can use the options to control video resolution, quality and file size.
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3GPP
3GP is an audio and video container format that is generally used in 3G cell phones. But it can also work in 2G and 4G cell phones. This MP4 based container broadcasts multimedia files between cell phones over internet.
AAC
AAC is an audio file format that works similar to MP3 but compresses more than MP3. It significantly reduces the audio file size without losing the quality. To reduce the file size it uses the MPEG-4 standard to cut off the low frequency sounds that cannot be heard in a human’s ear.