CONCEPTUAL DESIGN

from 2 - Academic & Professional works

SECTIONS & DETAILS

Architectural design has its medium in order to deliver thoughts. There are sketches, diagrams,drawings and details usually on paper with different drawing tools or printed out of CAD software.There are study models, (architectural) models and detail models using various materials like foam and cardboard to represent the reality in small scale physical models or in 3D digital representations.

Sound is a mechanical wave that results from the back and forth vibration of the particles of the medium through which the sound wave is moving. Because of the longitudinal motion of the air particles, there are regions in the air where the air particles are compressed together and other regions where the air particles are spread apart. These regions are known as compressions and rarefactions respectively. The compressions are regions of high air pressure while the rarefactions are regions of low air pressure.

Algorithmic Design needs its own medium as well; This medium (Here Grasshopper plug-in for Rhinoenvironment) should provide facilities to deal with algorithms with geometrical operations.

SEATING (TOTAL-353 SEATS)

D-Box Seating(Rs.350/-) - 60 No:s

Premium class (Rs.140/-) -53 No:s

Deluxe Class (Rs.110/-) -216 No:s Rs.10/-TICKET 24 No:s

TECHNOLOGIES USED

D-Box Seating- Uses D-Box motion code specifically programmed for each visual content which are sent to a motion system integrated into a platform or a seat.

DOLBY atmos: Reproduces a natural and life-like audio experience which allows sound to move around the theatre to create dynamic effects

Baffle Wall

Baffle wall: The front speaker cabinets should also be placed in a large baffle behind the screen. The baffle provides forward propagation for the lower frequencies. The baffle also stops sound from reverberating against the wall behind the screen. The difference between having a screen baffle is very noticeable in improving the sound system performance.

Revereberation Time Calculation

RT60 (REVEREBERATION TIME) CALCULATION(AT 1000 HZ)

From the above table; Total absorption;

∑ A = 638.56 Metric Sabine

Volume, V= 3719.16 m3

RT60 = 0.161V/A = (0.161 x 3719.16)/ 638.56 = 0.94 seconds

RECOMMENDED RT60 FOR CINEMA THEATRE = (0.8-1.2)

Octave band frequencies: 63, 125, 250 ,500, 1000, 2000, 4000, 8000 HZ

REVERBERATION SCALING CURVE FOR AUDIO BANDWIDTH

SURROUND SPEAKERS DISTRIBUTION & CHARECTERISTICS

Left side surround & Right side surround(LSS & RSS)

Left rear surround & right rear surround(LRS & RRS)

Left top surround & Right top surround(LTS & RTS)

Frequency response - 40KHz to 18 KHz

Each speaker SPL>99dB : Each channel > 105 dB

Side speakers - aligned to the height of the screen speakers from the speaker & continuing according t o the slope of the theatre.

TOP SURROUND DISTRIBUTION & CHARECTERISTICS

Individually wired,amplified & powered.

Number & positionng based on the position of side surround speakers

Top speakers - symmetrically aligned to the screen side centre speakers(left, center & right center channels).

LAYOUT

SCREEEN SPEAKERS DISTRIBUTION & CHARECTERISTICS

Screen Speakers- 5

Screen subwoofer- 1 No:s (31.5 HZ to 120 HZ)

At reference position: SPL(Sound Pressure Level) = 105 dB

Frequency response = 40 HZ to 16 kHZ

Rotate only the horns(high frequencies) of the screen speakers to the 2/3 rd length of the theatre

Left & Right Speaker positioning- Midway between 1.85:1 & 2.39:1

Vertical positioning- Acoustic center placed at 2/3 of screen height

If screenwidth> 40 ft, then add 2 center speaker for smoother pans

SIDE & REAR SPEAKER SPACING & HEIGHT

Center to center distance - 6’6” to 9’9”

Angle between speakers- 30 degree or less , referred from the midpoint between 2 speakers at the edge of listening area.

All speakers angled towards central listening area.

Height approximately equal to 1/4th room width(for better coverage)

GROUND FLOOR REFLECTED CEILING PLAN

Ceiling Sectional Elevations Ceiling

Dry wall false ceiling making use of Gyproc DuralineTM sheets gives a clean finish with the flexibility of doing recessed patterns & Covelighting. Choice of this specific material with absorption coifficient of 0.05 owes to the expected RT of 0.94 sec at 1000 HZ.

FIRST FLOOR REFLECTED CEILING PLAN

CEILING SECTIONAL ELEVATIONS