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22.2 surround sound
Topic: Engineering
From HandWiki - Reading time: 4 min
22.2 or Hamasaki 22.2 (named after Kimio Hamasaki, a senior research engineer at NHK Science & Technology Research Laboratories in Japan) is the surround sound component of Super Hi-Vision (a new television standard with 16 times the pixel resolution (7680×4320) of HDTV (1920x1080). It has been developed by NHK Science & Technical Research Laboratories. It uses 24 speakers (including two subwoofers) arranged in three layers.[1]
Channels
The channel numbers and labels are:[2] {| class="wikitable"
|-
! AES
Pair No./Ch No.
! Channel
No.
! Label
! Name
|-
| 1/1
| 1
| FL
| Front left
|-
| 1/2
| 2
| FR
| Front right
|-
| 2/1
| 3
| FC
| Front center
|-
| 2/2
| 4
| LFE1
| LFE-1
|-
| 3/1
| 5
| BL
| Back left
|-
| 3/2
| 6
| BR
| Back right
|-
| 4/1
| 7
| FLc
| Front left center
|-
| 4/2
| 8
| FRc
| Front right center
|-
| 5/1
| 9
| BC
| Back center
|-
| 5/2
| 10
| LFE2
| LFE-2
|-
| 6/1
| 11
| SiL
| Side left
|-
| 6/2
| 12
| SiR
| Side right
|-
| 7/1
| 13
| TpFL
| Top front left
|-
| 7/2
| 14
| TpFR
| Top front right
|-
| 8/1
| 15
| TpFC
| Top front center
|-
| 8/2
| 16
| TpC
| Top center
|-
| 9/1
| 17
| TpBL
| Top back left
|-
| 9/2
| 18
| TpBR
| Top back right
|-
| 10/1
| 19
| TpSiL
| Top side left
|-
| 10/2
| 20
| TpSiR
| Top side right
|-
| 11/1
| 21
| TpBC
| Top back center
|-
| 11/2
| 22
| BtFC
| Bottom front center
|-
| 12/1
| 23
| BtFL
| Bottom front left
|-
| 12/2
| 24
| BtFR
| Bottom front right
|}
Channel numbers up to 6 represent the same as those in a 5.1 channel system. There are then a further 5 listener-plane channels, 9 overhead channels, arranged in a square, and a row of 3 further channels at the bottom front, plus the additional LFE channel.
Demonstrations
- Expo 2005, Aichi, Japan
- NAB Show 2006, Las Vegas, US
- IBC 2006, Amsterdam, Netherlands
- IBC 2008, Amsterdam, Netherlands[3]
- NAB Show 2009, Las Vegas, US
- IBC 2010, Amsterdam, Netherlands
- IBC 2011, Amsterdam, Netherlands
- 2012 Summer Olympics, Bradford/Glasgow/London, UK[4]
Reviews
See also
References
- ↑ "22.2 Multichannel Audio Format Standardization Activity". NHK World. http://www.nhk.or.jp/strl/publica/bt/en/fe0045-6.pdf. Retrieved February 17, 2014.
- ↑ "Ultra High Definition Television - Audio Characteristics And Audio Channel Mapping For Program Production". Society of Motion Picture and Television Engineers. 2008. https://ieeexplore.ieee.org/document/8721297.
- ↑ Sangani, Kris (2008-10-11). "A game of leapfrog". Engineering & Technology 3 (17): 8. doi:10.1049/et:20081720. http://kn.theiet.org/magazine/issues/0817/game-o-leapfrog-0817.cfm. Retrieved 2008-10-31.
- ↑ Sweney, Mark (2011-08-28). "BBC plans to use 3D and 'super hi-vision' for London Olympics". The Guardian (London). https://www.theguardian.com/media/2011/aug/28/bbc-3d-vision-london-olympics.
External links
- 22.2 Multichannel Sound System for Ultra High-Definition TV article at the Wayback Machine
- 22.2 Standardization of Multichannel Sound System Japanese article at the Wayback Machine
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