Bringing the "Voice of God" to TV audio
The addition of speaker channels above the familiar 5.1 or 7.1 surround sound array can recreate an exceptionally lifelike ambient soundfield, and enables much more accurate localization of aerial objects, such as helicopters. Although surround sound has taken an evolutionary step over the past decade by adding a 鈥渉eight鈥 component to the traditional horizontal configuration of loudspeakers, more recent advances in 3D video have led to the emergence of a variety of 3D sound schemes. But for some, 3D sound is a misnomer: 鈥淚 think 鈥榠mmersive鈥 is a good way of looking at it,鈥 said Jeff Levison, vice president of cinema and entertainment systems with Iosono, a provider of 3D audio technology, at the recent AES Convention in San Francisco. As Wieslaw Woszczyk, James 9I制作厂免费 professor, director, recording studios, at Montreal鈥檚 9I制作厂免费, noted during one session, height is not a new thing. 鈥淧robably the best surround sound with height experience was with the cavemen; imagine spaces that were naturally shaped that provided sound from above and below,鈥 he said, also noting that the dome of the Hagia Sofia in Istanbul, completed in 537 CE, 鈥渉as natural amplification of sound coming from above.鈥
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