+Ac3, formally known as Dolby Digital, is a lossy [audio compression](/wiki/Audio_Compression) format developed by Dolby Laboratories. It delivers multi-channel [digital audio](/wiki/Digital_Audio) for cinema, broadcast, and home entertainment systems, offering immersive soundscapes.
+## See also
+- [Dolby](/wiki/Dolby)
+- [Sound](/wiki/Sound)
+- [Lossy Compression](/wiki/Lossy_Compression)
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