In the lb community , dub is considered an abbreviation of the name Dubbing (from the Eng. dubbing) - voicing. #2b is a written version of the abbreviation dub+lb. Other abbreviations: #doubleb #dublb #2b All abbreviations and the dub group have the same phonetic transcription: // dˈabl bˈɛ //. You are in the thematic section of lb, where you can use keys, sound and speech synthesizers to work on sound (phonograms): arrangement, mixing, mastering.