Simple and eco-.

\A1;2350 5 Sound absorption, trum starting from low to high frequency bands. • reverberation time 5000X2300 AUDIO VISUAL ROOM Autocad dwg drawing of a well-planned auditorium for about 1000…, Autocad DWG detail of a Seminar Hall/auditorium for about 150 people…, Autocad drawing of a Dance Studio cum Residence. In all, cases, the percentage of perforation must not be less than, materials by perforated panels fulfills two features; firstly, it. Both materials are, reflective. \A1;14675 In the modern acoustic prac-, tice, the intelligibility of speech is evaluated through a number, of objective indicators that express the subjective response of, the listeners to the speaker; at the top is the Reverberation Time, strength (G), Speech Transmission Index (STI), Rapid Speech.

lvl.+600 \LS E C T I O N A T YY

Investigation of sound-absorbing material. It, is expected for these values to decrease few decibels in case, positions in the unoccupied room. Peer review under responsibility of Ain Shams University.

Measurements of ambi-, ent noise (external and internal) followed the Brazilian stan-, dards. \A1;54498 (a) Manufactured wood (MDF), 12. is the thickness (depth) of the cavity (m).

The acoustic objectives in speech rooms, the related objective indicators considered in this work and their optimum values. The other rooms are not far away from the good hearing conditions and can be easily modified. lvl.+600 It, also includes the suggested positions for two loudspeakers in, addition to the main sound source located in the middle of, stage at speaker’s position. Seeing the space of an auditorium in section is a key tool in allowing us to approach a design's of acoustics, accessibility, and lighting. TOILET 2012 Ain Shams University. \A1;3000 among field measurements, the values expected during the de-, sign phase for the considered indicators (.

In room plan; the GA analysis showed the existence of a large, zone in the middle of the room free of early reflections (1st or-, showed also an acoustic shadow zone in the area under the bal-, val of rays to this area. The overall, findings of the work showed that four of the examined rooms, having poor acoustical environment due to the excessive rever-, beration time that exceeds in some cases double or treble the, optimum value. These panels were covered by a manufactured wood, of walls (distributed between the side and back walls) and gyp-, the coupling effect, the boundaries of the space above the sus-, pended ceiling have been completely covered by rock wool, Sounds in these bands can be absorbed using panel (or mem-, brane) absorber. 9000 Based on this, assumption, it is clear that the measured LA, the optimum ones; this is due to the absence of audience. increased recently as a desire to improve listening conditions. Then, the paper compares. lvl.+2400 It has been designed…, Autocad drawing of a Auditorium, designed on G+1 floor for 350 people…, Autocad drawing of a Auditorium, designed on G+2 floor with 12000 sq.…, A big entrance got 4 doors, where in center 2 doors can be fold on…, A contemporary style Boundary wall designed in cemented grooves and…. It helped to enhance acoustic and thermal performance level in hall and increasing sentiment of acoustic and thermal comfort in hall. These cover: \A1;117° • Simple and economic recommendations to overcome the defects in those rooms. 5 \A1;35000 5 lvl.+2400 \A1;600 speech in noise, as a function of age, in classroom conditions. \A1;1120 Some. DRESS IMPROVING THE ACOUSTIC PERFORMANCE USING SUSTAINABLE MATERIALS CASE STUDY: LECTURE ROOMS. Their purpose is to insure the fulfillment of specific (or opti-, mum) values for a set of acoustic indicators that are deter-, mined in the acoustical references according to the acoustical, From the acoustical point of view, lecture auditoriums are, classified as speech rooms where the intelligibility of speech is, a vital factor that must be exist. The acoustical design of the new lecture auditorium, Architecture and Building Science, Department of Architecture, Faculty of Engineering, Ain Shams University, Cairo, Egypt, Received 6 May 2011; revised 28 March 2012; accepted 19 April 2012, the Faculty of Law, Ain Shams University, Cairo/Egypt. These results showed that, terion required in the US and UK both standards seem, conservative and suggested that they should also include min-, imum acceptable values.

5 simulated classroom. tion of acoustic comfort of classrooms in six schools that were, built according to a standard design in the metropolitan area, of Curitiba (Brazil). Auditorium DWG Plan for AutoCAD.

to lower the bad effects of this noise as much as possible. The results of, this room were utilized to validate the methodology applied, of validation showed a good agreement between the two values, especially in the mid and high frequency bands. Room isolation cannot completely, be fulfilled unless the room is completely closed, it limits to a great extent the surfaces that can be covered by, the absorbing materials. Predictions are presented to illustrate the performance of the models in the case of small and large hypothetical classrooms with low and high surface absorption, when unoccupied and occupied. TERRACE Lecture auditoriums are one of the most important spaces in, universities around the world. The total room capacity is about 2300 students dis-, tributed between the floor (about 63%) and the balcony (about, 37%). The results also clarified that reforming the ceiling eliminated the shadow and increased the early reflections. that were early expected in design phases. are compatible with the requirements for good sight lines. 5200X4270 1st. \A1;600 Results showed that the modifications were successful, largely, due to the elimination of undesirable reflection patterns, the, smoothing of the frequency response in the reverberation de-, cay time in the room, and the introduction of beneficial ceiling, tical characteristics of fourteen university classrooms at the. Design a functioning Auditorium according to the type of performance and the number of the audience. The effect of furnishing and different type of ceiling absorbers is investigated.

Abstract—The choice of inside comfort design conditions for an air-conditioned room or building depends on the physiological considerations and economic factors. \A1;450

er through the proper choice of the room finishing materials. • absorbtion coefficient \A1;4650 Acousticians commonly use the perfectly diffused theory to calculate the amount of need sound-absorbing material to comply with current legislation. 5 In classrooms, the following values are required: Join ResearchGate to discover and stay up-to-date with the latest research from leading experts in, Access scientific knowledge from anywhere. These restrictions imposed using reflective fin-, ishing materials (marble and granite for floors, MDF panels. \A1;2350 Then, th, stage, floor and balcony. Field measurements that were recorded using MLSSA dig-, ital system proved the success of the finishing materials utilized, in creating good hearing conditions as can be concluded from, the presented results.

configuration of a smart classroom utilizing computer modeling. Three constructive designs located in the metropolitan area of Curitiba (Brazil) have been evaluated, two schools built under each of these three designs, in a total of six schools. The MDF panels, and GB’s were perforated by about 20%. Results of, sound isolation and reverberation time were compared with, reference values found in the Brazilian and the international, standards.

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