Municipal Affairs Department Tender

Acoustical Interior Works & Supplying, fitting, fixing of Audio Visual Conferencing system with Chairs complete in all respect at the conference room of Office of the Chief Engineer (South Zone), M.E.Dte in Bikash Bhavan, South Block, 1st floor, Salt Lake City, Kol-91. (For Purpose of finalization of Project parameters Only) Ceiling microphone with Frequency response: 160Hz - 16kHz (-10 dB) or better; Sampling Rate: 48 kHz; Bit depth: 24 bit; Latency: 60 [ms] (including signal processing) or lower; Audio I/O Dante: 1in x 2out, In1= AEC reference signal/ Out1= output of beam mi, Out2= output of beam mix (simple processed); Maximum input level of SPL: 117.8 dB SPL; Self Noise: 0.8 dBA SPL; SNR (Ref. 94 dB SPL at 1 kHz): 94.8 dBA; Sensitivity: -23.8 dBFS/Pa; Dynamic Range: 118.6 dBA; Signal Processing: Multi beam tracking, Adaptive Echo Canceler, Noise Reduction, Dereverberation, Auto Mixer, Auto Gain Control, Parametric EQ, Output Gain; Power requirements: PoE(IEE 802.3af), DC 48V ; Indicator: Front Indicator(Mute/ Unmute & Status), Network Port Indicator. (Ceiling Mic & DSP should be from same OEM) (Make- Yamaha/ Sennheiser or similar)

Signal Processor with Frequency response: 20Hz - 20kHz; Sampling Rate: 48 kHz; Bit depth: 24 bit; Latency: 10 [ms] (Dante In to USB Out, includes signal processing) or lower; Dante: 16in x 16out; USB: USB 2.0; Audio Class 1.0 Input: 2ch, Output: 2ch @48kHz; Mic Input: XLR Balanced, Input: 2ch, AUX: RCA unbalanced (Line Level); Input: 2ch, Output: 2ch; Speaker Out: RCA unbalanced (Line Level), Output: 2ch; Bluetooth: Version 4.2 Supporte profiles: HFP(1.6), A2DP, AVRCP Supported codec: CVSD, SBC, mSBC Wireless output: Class2 Maximum communication distance: 10m (32.8 ft.) (no obstacles) Radio frequency (operational frequency): 2,402 to 2,480 MHz Maximum output power (EIRP): 4.0 dBm (2.5 mW); Power requirements: PoE + (IEEE 802.3at, LLDP), DC 48V; (Make- Yamaha/ Bose/ EV or Similar)

Full- range, Bass reflex type slim line array/ column array speaker with 16 x 1.5" Cone; Frequency range (-10dB): 81 Hz - 20 kHz; Nominal coverage: H x V: 170° x 25° 30°; Power rating: 160 W PGM; Sensitivity (1W; 1m on axis): 91 dB SPL; Peak: 116 dB SPL; Color- Black (Make- Yamaha/ Bose/ EV or Similar)