Audio Visual Equipment System Design

Design, specification, review and tender of Audio Visual (AV) systems, such as public address, conference microphone system, speech reinforcement, specialist sound systems, video/data projection, specialist stage lighting and rigging, simultaneous interpretation, communication systems and video conferencing and many other AV related fields.

1. Audio - Sound Systems

i. Sound Reinforcement Systems

Sound Reinforcement Systems are required for amplification of speech, live and recorded music, and media playback. Reinforcement systems are designed to ensure speech clarity, and to optimally handle with sufficient loudness, headroom and frequency response for the intended requirements of a venue such as live theatre, dramas, program material playback, live performance music, orchestra, bands and choirs. Such systems are employed in multiple types of venues such as auditoriums, multipurpose halls, boardrooms, stadiums, lecture theatres, churches, mosques and theatre halls.

ii. Assisted Listening

Assisted Listening systems are designed and provided for the hearing impaired.

iii. Audio Conference Systems

Audio Conference Systems are for enabling a group of people within a venue, or two mutually distant groups of people at different locations, to communicate in real time interaction, with both parties able to hear and speak at the same time, as if they were physically in the same room.

iv. Simultaneous Interpretation Systems

Simultaneous Interpretation Systems are designed for multilingual proceedings. Such systems are needed for applications such as international conventions, conferences and seminars, and language interpretation in churches. Such systems may include features such as electronic voting system whereby conference participants are able to vote electronically, with the system polling and displaying the results.

2. Video Systems

i. Visual Displays

Design ranges from simple single image systems to complex multi-image systems. Display design takes into consideration the various display technologies available, video delivery systems,projection screens and surfaces,and design factors such as resolution, contrast ratio, optimal viewing distances.

ii. Video Walls

Video Walls are large modular display systems that are utilized for applications such as regional traffic control rooms, military control rooms, emergency operation centre, Telco support and call centres, utilities grid control room, weather stations, news rooms, satellite operation centre, and network operation centres. Such display systems receive multiple video and data feeds and displays these simultaneously in flexible configurations on a large wall display system.

3. Audio Video System

i. Video Conferencing Systems

Video Conferencing Systems has found many applications in areas such as specialized distance learning application for higher education institutions, corporate boardrooms, government agencies, and healthcare. Such solutions increases efficiency in the areas of training, customer support, inter-companies meetings, etc.

ii. Tele-presence Systems

Tele-presence Systems is an emerging trend, and is an extension of the conventional video conferencing system. Tele-presence is basically an immersive video communication experience allowing remote participants to communicate as if they were in the same room, with literally the same interaction, and realism as an 'in-person' meeting.

iii. Camera Systems

Camera Systems relate to camera operations, camera control, switching and recording transport controls. Such systems are utilized for capturing of live events, sporting events, studios, and broadcasting.

iv. Video Retrieval / Video on Demand

Video Retrieval / Video on Demand is often employed by hotels, educational institutions, and hospital patient rooms. Such systems allow a user to retrieve in real time their required video content such as movies, educational materials, etc. from central video servers or data centres. In addition to educational or entertainment video content, an interactive system may have advanced functionality such as ability to send service request, access the internet, e-mail functionalities, and guestroom entertainment system with pay-per-view feature.

v. Interactive Displays

Interactive Displays are employed in boardrooms, advertising, retail and special solutions such as theme parks, exhibits, etc. Basic interactive displays allows for a user to anecdote over a projected image/presentation. Advance solutions allows for a dynamic user interaction with various applications such as data collection, gaming, and also for the intended user to obtain information.

4. AV Control Systems

AV control systems integrate various manufacturers equipment and systems to a unified control interface. Control systems are designed to simplify AV equipment operation, and are essential especially for operation of larger and complex systems. They are capable of controlling devices, monitor system functions; automate processes for systems such as sound, video, lighting, security, HVAC, etc.

Current design trends towards converging control systems with IT systems, forming a comprehensive management system within an overall enterprise. With this approach, there is the possibility of integrating AV systems with applications such as AV equipment inventory management, tracking of usage, billing, etc. Such solutions can be applied for venues such as higher learning institutions, hotels and hospitals.

5. Special Lighting

i. Theatrical Lighting

Theatrical Lighting is provided for venues that has a stage with live stage functions. Such venues include performing arts theatre, house of worship, ballrooms and auditoriums. Proper design ensures that the properties of light such as form, intensity, colour and movement, and lighting controls such as dimmers, lighting boards, etc. are designed to established standards and requirements.

ii. Broadcast and Studio lighting

Broadcast and Studio lighting are found in broadcast studio environments where television (TV) programming is originated and recorded. Lighting design and luminary choices are dependant of production needs, e.g. commercial shoots, panel shows, newsroom, etc.

iii. Entertainment lighting

Entertainment lighting is provided for facilities such as theme parks, clubs, theme restaurants, etc. Such lightings generally are a blend between theatrical and architectural lighting.

iv. Lighting Dimmers

Lighting Dimmers provide the capability for varying lighting levels and intensity.

v. Lighting Control Systems

Lighting Control Systems can vary from a simple scene present system, to a theatrical control system, to a show control system that controls all aspects of a complex lighting and effects system operation on an automatic or manually activated basis.

vi. Architectural Lighting

Architectural Lighting is a generic term for lighting applications for commercial spaces, conference rooms, public spaces, corridors, institutional facilities, etc. It is essential that such lighting designs ensure integration with building architecture, support human tasks and enhance aesthetics of the interiors or exterior design of a space or building. We specialize in the provision of aesthetics enhancement.

6. Stage Rigging Design

Stage Rigging are designed for supportingstagelighting systems, and supporting and shifting stage sceneries such as drapes, painted backdrops, scenic pieces, etc, Design includes fly tower design, motorized rigging, counterweight rigging, dead-hung rigging, loading gallery, control systems, etc.

7. Production Communication

Production Communication systems are designed for theatres and halls requiring stage performance. These systems are required to ensure that theatre director's, stage manager's, etc. instructions can be conveyed to the intended personnel within the hall. Production communication systems include talkback systems, cue lights, and production intercom.

8. Stage Draperies

Stage Draperies are essentially fabric panels that are hung as part of a scene or to mask unwanted views. There are multiple types of curtain that can be employed in a theatrical/auditorium stage setting. Common curtain groups are Proscenium Curtains that provides a sight and sound barrier between stage and audience, Masking Curtains for hiding or 'masking off', and giving additional stage depth, and Backdrop Curtains for projection and lighting effects.

9. AV Venue Space Planning

For optimum AV communication , important design factors include the size, shape and location of AV support spaces such as control rooms, projection rooms, telecommunication rooms, interpretation booths, mixing locations, etc.

10. Integrated Security

An integrated security system integrates various components of a security system such as surveillance, closed circuit television, access control, intrusion detection, distress alerts, electronic locksets and alarm. Central Management Software is employed for integrating these security components.

Another trend in security design is the incorporation of Video Management Software, capable of real-time video recordings, storage, retrieval, and security video analytics features such as object trajectories, changes in object attribute, line crossings, facial recognition and trespassing in restricted areas.

Important criteria for system design are flexibility and scalability for future applications, and capability to address user operational issues.

11. Nurse Call

Nurse call systems are basically communication systems for a hospital's patients, nurses and doctors. They are intended and designed to increase staff efficiency and patient satisfaction by providing nurses the capability to respond quickly and efficiently to patient's calls. A system integrates communication between conventional nurse call equipments such as patient calling interfaces and nurse stations with cellular phones, pagers, real-time locating systems, and management information systems.

12. Paging Systems

Paging or Public Address systems are intended for reinforcing and distributing an announcement, pre-recorded music, message, or other sound sources to the general public around a building. Design for a Public Address system can vary from a basic single zone call system to a 'PA over IP system' whereby an Ethernet network is utilized to distribute paging. Such solutions are employed in large installations such as airports and university campuses with multiple buildings and faculties.

13. Digital Signage System

Digital signage systems are improving the manner in which advertising, entertainment and information are presented to the public. Common applications for such system are: conveying of internal information such as corporate messages and news, displaying public information in public areas such as news and weather conditions, advertising and brand building focusing on influencing behaviour and enhancing the experience of the customer.

Such systems can be utilized for retail, museums, convention facilities, exhibition centres, restaurants, casinos, hospitals, schools and private corporations.

14. Satellite Master Antenna Television (SMATV) Systems

SMATV systems are distribution systems for terrestrial television signals, satellite television signals, and 'in-house' video signals for commercial premises such as hotels, offices and housing developments. The distribution network can be a coaxial network for a single location design, or a fibre optic network for larger distribution requirements.

15. Intercom System

Intercom systems are electronic communication systems intended for private dialog, and can be in the form of voice and video. Intercom systems have various applications and forms such as fireman intercom, security intercom for prison facilities, commercial security intercoms for residential housing, offices and commercial buildings, military intercom for military operations and target shooting range, production intercom for theatrical application, and portable intercoms for professional sports teams and broadcast production team.

16. AV Networks

AV networks are designed for transmission of audio, video and data over fibre optic networks. Fibre optics transmission offer longer transmission distance and high capacity, high security transmission, stable performance, and RFI/EMI noise immunity, hence optical communication systems are anticipated to be the primary media of choice for the near future.

Deployments of such systems are in various applications such as airports, universities, power plants, traffic and railways.