Penteo Surround, Inc. (Penteo) is a digital audio software vendor that markets ADL’s Penteo plug-ins for stereo-to-5.1 and stereo to 7.1 surround upmixing. As an up-mixer, Penteo transforms any stereo recording, soundtrack, DJ mix or live television broadcast into surround sound. Penteo claims that its technology results in a more natural and more precise sounding surround experience without generating any artificial & unwanted sounds, and only Penteo is 100% ITU down-mix compatible back to the original stereo track.

Penteo Surround, Inc. (Penteo) is a digital audio software vendor that markets ADL’s Penteo plug-ins for stereo-to-5.1 and stereo to 7.1 surround upmixing. As an up-mixer, Penteo transforms any stereo recording, soundtrack, DJ mix or live television broadcast into surround sound. Penteo claims that its technology results in a more natural and more precise sounding surround experience without generating any artificial & unwanted sounds, and only Penteo is 100% ITU down-mix compatible back to the original stereo track.