HOME THEATER DESIGN
CARL FOUTZ CEU# 970382
SPEAKER PLACEMENT
FRONT SPEAKERS
HEAD HEIGHT SEATED
APPROXIMATELY 40 INCHES FROM CENTER OF MAIN SEATING AREA 45* ANGLE FOR SPEAKER SEPERATION
TYPES OF SPEAKERS
BOOKSHELF
TOWER
ON WALL
IN WALL
CEILING (DISPERSED)
CENTER SPEAKER
MOUNTED DIRECTLY ABOVE OR BELOW THE TV, OR BEHIND THE SCREEN
TYPES OF SPEAKERS
CENTER SPEAKER SHOULD MATCH
FRONT LEFT AND RIGHT SPEAKERS
WHEN SPEAKER IS USED NEAR TV IT MUST BE SHIELDED
CABINET, INWALL, ONWALL OR DISPERSED CEILING
REAR SPEAKERS
ON SIDE WALLS DIRECTLY BEHIND THE MAIN SEATING AREA ABOUT 3 FEET HIGHER THAN FRONT SPEAKERS
TYPES OF SPEAKERS
BOOKSHELF
ONWALL
INWALL
CEILING
DIPOLE (BEST FOR REAR EFFECTS
SPECIAL DESIGNS SPECIAL DESIGNS
Dipole designs that
radiate designs that Dipole most of their sound to the front their radiate most of and the rear. sound to the front and thenull so that little Creates rear. direct sound reaches Creates null so that them. little direct sound Work best when reaches on side walls. mounted them. Work best when mounted on side walls.
SUBWOOFER
REPRODUCE LOW BASS EFFECTS
HEIGHTEN INVOLVEMENT WITH THE
ACTION ON THE SCREEN CORNER PLACEMENT TO FULLY UTILIZE SUBWOOFER CAPABILITY
5.1 SURROUND SOUND
DOLBY DIGITAL (AC3)
DOLBY LABORATORIES
DTS
DIGITAL THEATER SYSTEMS
5.1 SOURCES
DVD LASER DISC SATELITE CABLE (SOME AREAS) PASSING A 5.1 SIGNAL MUST
BE DONE ON FIBER OPTIC OR COAX CABLE
EXTENDED SURROUND
DOLBY DIGITAL REFERRED TO AS EX & 7.1 DTS REFERRED TO AS ES & 6.1
EX SPEAKER PLACEMENT
2 SPEAKERS REAR WALL SAME HEIGHTH AS SIDES SEPARATED BY 4 FEET
1 SPEAKER REAR WALL SAME HEIGHTH AS SIDES CENTER OF LISTENING AREA
EX SPEAKER PLACEMENT
VIDEO SCREENS
The size of the screen is not the only factor in the perceived picture size; distance from the screen is equally important. There is a trade off of picture quality versus size.
VIDEO SCREENS
When seated too close,
the scanning lines on the tube or the pixels on the projectors will be apparent. Seating far enough back will blend these details to the human eye.
VIDEO SCREENS
Movie theaters are designed so that viewing angles
are reduced to provide more realistic images. Prime seating is designed to view the movie at a 30 degree angle (peripheral view of the human being). When adopting this design to the home theater; visual scanning lines and pixels are detected.
VIDEO SCREENS
SEATING RANGE DILEMMA
Seating distance to overcome visual image
structure is typically 4X the height of the video screen. Or this distance can be also measured as 3X the width of the screen. These two parameters are commonly recommended distances by projection screen manufacturers.
DVD
Innovative creation of
digital and audio and video. Can play up to 133 minutes of full motion video on a single sided disc (92% of all movies ever made).
DVD
Picture quality
approaches “D-1” studio production standard. Over 500 lines horizontal resolution (240 lines VCR). Up to 8 languages and 32 subtitles.
DVD
Choice of PCM stereo sound or digital multi channel
surround. Supports letterbox, pan and scan or 16 X 9 formats. Holds 4.7 gigabytes of data per layer (compared to 680 megabytes of data on a CD). Offers dual layer double sided disc options.
DVD FUTURE APLLICATIONS
The ability to view
scenes shot at multiple angles. Recordable, rewritable and high definition media.
PROGRESSIVE SCAN DVD
PLAYERS WITH PROGRESSIVE SCAN WILL
OFFER OUTPUTS FOR HDTV READY DISPLAY MONITORS. THE PLAYER WILL THEN BE CAPABLE OF RECONSTRUCTING 3/2 PULLDOWN EFFECT INTRODUCED WHEN THE FILM-BASED PROGRAMS ARE TRANSFERRED TO VIDEO. RESULTS IN THE BEST PICTURE QUALITY AVAILABLE!
HOOKING UP
COMPOSITE VIDEO
CIRCA 1950 DESIGNED VIDEO CABLE POOR BANDWIDTH POOR COLOR SEPERATION
SATELITE CABLE ANTENNA
DVD VCR
S VIDEO
CIRCA 1980 BROADER BANDWIDTH GOOD COLOR SEPERATION DESIGNED FOR COLOR TV
SATELITE CABLE ANTENNA
DVD VCR
COMPONENT VIDEO
REQUIRED FOR HDTV
SATELITE CABLE ANTENNA
DVD VCR
ANALOG AUDIO
STEREO
SATELITE CABLE ANTENNA
DVD VCR
DIGITAL AUDIO
MUST USE FOR DTS AND DOLBY DIGITAL FIBER OPTIC TOSLINK CONNECTOR COAXIAL RCA CONNECTOR
SATELITE CABLE ANTENNA
DVD VCR
HDMI
HDTV VIDEO DIGITAL AUDIO
SATELITE CABLE ANTENNA
DVD VCR
RELATIONSHIP BETWEEN AMP POWER & SOUND PRESSURE
2 WATTS = + 3DB 4 WATTS = + 6DB
10WATTS= +10DB (TWICE AS LOUD AS 1 WATT)
20WATTS = +13DB 40WATTS = +16DB 100WATTS= +20DB (FOUR TIMES AS LOUD AS 1 WATT) 200WATTS= +23DB 400WATTS= +26DB 1000WATTS=+30DB (EIGHT TIMES AS LOUD AS 1 WATT)