Supply, Installation, Testing and Commissioning of Audio Video Conference System at HLL Lifecare Limited, Corporate Head Office, Poojappura, Trivandrum, Kerala

Supply, Installation, Testing & Commissioning) of commercial-grade flush-mounted in-ceiling loudspeakers suitable for speech reinforcement, conferencing, and background audio applications. Each speaker shall be passive type, wide dispersion (minimum 120° nominal coverage), frequency response suitable for clear voice reproduction (approximately 80 Hz–18 kHz or better), and shall support 70V/100V line operation with multiple transformer taps up to minimum 16W and low-impedance bypass option. The system shall include necessary back cans, grilles, mounting accessories, safety supports, structured cabling, termination, integration with amplifier/DSP system, equalization, polarity testing, commissioning, and handover. Installation shall ensure uniform SPL distribution and high speech intelligibility across the designated coverage area. Make: JBL Control 14CT/Bose Freespace FS2C

Supply, installation, testing and commissioning of rack-mount professional 100V line power amplifier, suitable for distributed ceiling loudspeaker systems. The amplifier shall provide minimum 300-500W continuous output power in 70V/100V constant-voltage mode, with low distortion (<1% THD), high signal-to-noise ratio (>90 dB), balanced line inputs, thermal and short-circuit protection, and front panel level control. The amplifier shall be rack-mountable with forced or convection cooling and suitable for speech reinforcement and conferencing environments. Make: Harman / QSC / Yamaha

Supply, installation, testing & commissioning of a professional audio processing and control engine for conferencing, room audio, and hybrid AV applications. The system shall include a compact, networked DSP processing unit with built-in acoustic echo cancellation (AEC), USB audio interfacing for soft codecs (minimum 8×8), balanced analog audio I/O, and support for networked audio transport (such as AES67/Dante/Q-LAN/AVB). The processor shall provide flexible routing, mixing, delay, EQ, automatic mic processing and system control logic for camera switching and conferencing workflows. The unit shall support distributed audio networking, integration with sip/soft codecs, and scalable expansion with additional I/O if required. Make: Biamp TesiraFORTE/QSC Q-SYS Flex 8

Supply, Installation, Testing & Commissioning of an enterprise-grade, codec-based integrated audio-visual conferencing system as below: Supply shall be comprising a modular conferencing codec, one 10” touch control interface, required beamforming ceiling microphone arrays/tiles, one AI-enabled presenter tracking PTZ 4K camera, one audience auto-framing and speaker-tracking PTZ camera, one 4K Camera Switcher and all required cabling/accessories for making system functional as desired. Integration of VC system shall be done with digital signal processor (DSP) with acoustic echo cancellation (AEC), noise suppression, auto-mixing, gating, and zone-based audio processing. The system shall be fully integrated such that ceiling microphones feed into the DSP for intelligent voice detection and automatic camera switching logic through. DSP shall interface with the codec to enable seamless auto-tracking of active speaker (voice-based tracking), presenter tracking within predefined zones, and audience auto-framing based on voice localization and AI-based facial detection. The solution shall support multi-camera switching, preset recall, tracking zones configuration, and smooth transition between presenter, audience, and wide-view modes without manual intervention. Scope includes all required PoE/network switches, signal routing (HDMI/USB/IP), control programming, mounting accessories, structured cabling, rack integration, configuration of tracking zones, calibration, testing, commissioning, documentation, and user training. System must support native interoperability with Microsoft Teams, Zoom, and Webex platforms and allow future expansion. Make: Codec: PolyG62 / CISCO Room Pro Touch Control: Poly TC10 Touch Control or CISCO Room Navigator Ceiling Mic: Poly Ceiling Tile Mic/Sennheiser/Audio Technica/Shure Camera 1 for audience : AVer CAM570/ Lumens VC-TR40 Camera/Bird Dog CAM R-4 Camera 2 for presenter : Polystudio E70/CISCO PTZ 4K Camera Switcher 4K : Roland/Blackmagic/Inogini

Supply, installation, testing, and commissioning of a floor-mounted digital multimedia podium with heavy-duty steel/aluminium construction and powder-coated/brushed finish, mounted on four lockable caster wheels, with hinged lockable top and concealed cable management. Podium shall be equipped with minimum 19–22″ capacitive touch screen display (minimum 1440×900 resolution, ≥300 cd/m² brightness, ≥1000:1 contrast ratio, wide viewing angle), integrated laptop interface module providing minimum 1×HDMI, 1×VGA, 2×USB, 1×RJ45 LAN, 1×Audio-in, 1×Audio-out and 1×230V AC power socket. Unit shall include one gooseneck microphone with ON/OFF control, built-in audio routing/amplification for external PA connection, internal power distribution unit rated minimum 3 kW with surge protection, 110–240V AC, 50/60Hz input, and provision for HDMI/VGA/audio pass-through at rear/bottom panel. Podium shall have proper ventilation, lockable access panels, ergonomic writing surface, and internal wiring complying with relevant IS/IEC safety standards. Complete system to be supplied with all interconnections, accessories, installation, testing and commissioning, with minimum 3-year onsite warranty. Make: EISTouch ET-501XA/ PeopleLink ePodium Elite

Supply, installation, testing & commissioning (SITC) of 2 Nos professional wireless microphone systems comprising dual-channel wireless receiver(s) and compatible handheld / bodypack transmitters as required, suitable for speech reinforcement, conferencing, and training applications. System shall operate in UHF digital or analog professional frequency band with stable RF performance, automatic frequency scanning and synchronization, minimum operating range of 30 meters (line of sight), low latency, and high signal-to-noise ratio. The receiver shall be rack-mountable, with balanced XLR outputs and unbalanced outputs, RF and audio level indicators, and secure frequency locking to prevent interference. The microphones shall feature high-quality components for clear voice reproduction, with minimum 5 hours battery operation per charge/use. The system shall include antennas, power adapters, rack-mount kit, audio interconnection cables, and integration with the DSP/amplification system. Make: Shure/Sennheiser/Sony

Supply, installation, testing & commissioning (SITC) of 2 Nos professional wired microphones suitable for speech, presentation, and conferencing applications. Microphones shall be dynamic or condenser type (as per application), with cardioid or super-cardioid polar pattern for effective feedback rejection and clear voice reproduction, frequency response optimized for speech intelligibility, and low handling noise. Each microphone shall include appropriate desktop stand / gooseneck base (if required), shock mount (where applicable), minimum 5–10 meter professional-grade balanced XLR cable, and necessary connectors. The system shall be fully compatible with the installed DSP/mixer and amplification system, with proper impedance matching and phantom power provision. Make: Shure/Sennheiser/Sony

Supply, Installation, Testing and Commissioning of 98″ class 4K UHD (3840×2160) resolution large-format panels with a 16:9 aspect ratio, wide viewing angles (~178°), and IPS/LCD direct-LED backlit technology, designed for collaborative classrooms and meeting spaces, multi-touch capability (20-40 touch points) with infrared/advanced touch technology and tempered anti-glare surfaces for robust finger or stylus input, along with integrated digital whiteboarding and content sharing software support, Each unit provides versatile connectivity, including multiple HDMI inputs, USB (type A/B/C), LAN (RJ45), RS-232, audio I/O and optional slot-in PC support, and includes embedded processing, memory/storage for standalone operation, Built-in audio speakers, VESA mounting compatibility, and industrial-grade continuous operation design with typical operating temperature and humidity ranges are standard, with features such as USB-C one-cable connectivity and collaborative casting/screen-share functionality. These panels are suitable for fixed wall mount or mobile installations with secure, high-brightness panels for interactive teaching and presentation environments. 3 year warranty. Preferred make: LG Createboard 98TR3DK/ Viewsonic Viewboard IFP9850-3

Supply, installation, testing & commissioning of 65-inch 4K UHD LED commercial display, minimum resolution 3840 × 2160, suitable for continuous professional AV conferencing applications, with minimum 400 nits brightness, wide viewing angle (≥178°), HDMI (minimum 2 inputs), USB, LAN connectivity, built-in speakers, and support for 24/7 or extended operation. Make: LG / Sony / Samsung