Catalog:
1 GENERAL...................................................................................................................................2 1.1 PRODUCT DESCRIPTION................................................................................................................2 1.2 MODEL # ......................................................................................................................................2 1.3 CERTIFICATIONS ...........................................................................................................................2 1.4 ROHS..........................................................................................................................................2 1.5 PRODUCT MAIN SPECIAL CHARACTERISTIC .....................................................................................2 2 ELECTRICAL SPECIFICATION .................................................................................................3 BLOCK DIAGRAM ...........................................................................................................................3 MAIN PARAMETER .........................................................................................................................3 4.2.1SystemFrequencyResponseLimits .................................................................................................................... 5 3 SOFTWARE FUNCTION FEATURE...........................................................................................7 3.1 BUTTON FUNCTION DESC. ............................................................................................................7 INDICATOR DESC. ........................................................................................................................7 3.2 4 FCC WARNING ..8 2.1 2.2 Page 1 of 8 1 General 1.1 Product Description Beehive is the main communicate device for LifeSize Lync Room System (LRS). It is a stereo device with two Cardioid Mics. Mic is powered and connected through a signal USB cable. It is required meeting Microsoft Lync Specification Rev. G and designed to be used with Double Black (LRS codec) only. 1.2 Model #
LS-0002 1.3 Certifications The product should comply with CISPR22/CE/IEC 60950-1.. 1.4 RoHS All material of device should comply with Logitech 10 restricted Phthalates, (Restrictions are applicable at homogeneous level, at a threshold of less than 1000ppm for each phthalate) 2.4.1 RoHS II 2.4.2 Reach 2.4.3 WEEE 2.4.4 Conflicted material 1.5 Product Main special characteristic Page 2 of 8 2 Electrical Specification 2.1 Block diagram 2.2 Main parameter Microphone Features Item Description Microphone Type Primo EM175 Back Electret Unidirectional Microphone Directional Characteristic Uni-directional Sensitivity S/N Ratio
-36dB3dB at 1kHz(0dB=1V/Pa) RL=2K VCC=3V
>72dB Typ. at 1kHz (1Pa,A-weighted ) Max Input Sound Level 120dB S.P.L Microphone Frequency Response Limit Per Primo EM175 Specification Button Feature Item Mute Function LED Indicator Item Idle In-call Mute Suspend Description Mute Description Blue LED off / Red LED off Blue LED on / Red LED off Blue LED off / Red LED on Blue LED off / Red LED off USB Features Page 3 of 8 Item USB Type USB Compliant USB Cable Length Power Features VID PID Item Description Micro USB USB 2.0 4m 046D 0A4B Description Connection Type Micro USB Female USB Voltage Working Current Suspend Current 5V0.25V 100mA 2mA System Features Item Description Stereophonic Function Support via two Mics AGC Function Noise Reduction Sensitivity Disable Disable
-21 dB DFS 3 dB DFS = Peak Sine Wave Measured with an artificial mouth outputting 94 SPL at 1 kHz at the Mouth Ref Point (MRP). The microphone is on a 1 square meter table, The artificial mouth is 1 meter away from the microphone and 30 cm above the table. Measured under anechoic conditions. Note: Microphone must meet noise and sensitivity requirements of Lync Room Specification Rev G. Frequency Response Limit See Frequency Response Limits below. Sampling Rate Sampling Rate Accuracy Mic EQ Setting Bit Depth Capture Latency Capture glitch count per 5 minutes 48KHz
<0.04%
Support 16 bits
<10ms 2 DC offset Send Noise
<15%
< -66 dB DFS, A-weighted. DFS = Peak Sine Wave Send single frequency interference
-70 dBm0, A-weighted Page 4 of 8 Send Harmonic distortion
<2%, 250-4000 Hz Drift between microphone signals Microphone sensitivity mismatch Microphone phase mismatch The ADCs for the two microphones need to be phase locked with 0 sample offset between the mics. Less than 3dB between the two microphones (including preamp and ADC) Less than 10 degrees between the two microphones
(including preamp and ADC) Crosstalk between microphone channels
<-90dB Capture stream timestamp The maximum timestamp error must be <0.5ms and the timestamp error standard deviation must be <0.04ms PC Operation System WIN7 2.2.1 System Frequency Response Limits The on axis response measured at the front of the microphone, with the microphone setting on a table in anechoic room and using artificial mouth sound source located 1 meter away from the microphone and 30 cm above the surface of the table the frequency response shall be within the following limits:
Upper Limit dB Hz 0 90 224 0 2 224 2 1120 1120 3 3 1800 4 1800 9000 4 Lower Limit dB Hz
-99 224 224
-6
-6 280
-4 280 1000
-4
-4 1000
-4 5600 5600
-10 Page 5 of 8 e v i t a l e R B d 10 5 0
-5
-10 100 125 160 200 250 315 400 500 630 800 1250 1600 2000 2500 3150 4000 5000 6300 8000 10000 1000 Hz Page 6 of 8 3 Software function feature 3.1 Button function Desc. Button name Mute button Function Mute 3.2 Indicator Desc. Work status Blue LED Mute Call Red LED Page 7 of 8 4. FCC WARNING FCCStatement Thisequipmenthasbeentestedandfoundtocomplywiththelimitsfora ClassBdigitaldevice,pursuanttopart15oftheFCCRules.Theselimitsare designedtoprovidereasonableprotectionagainstharmfulinterference whentheequipmentisoperatedinacommercialenvironment.This equipmentgenerates,uses,andcanradiateradiofrequencyenergyand,if notinstalledandusedinaccordancewiththeinstructionmanual,maycause harmfulinterferencetoradiocommunications.Operationofthisequipment inaresidentialareaislikelytocauseharmfulinterferenceinwhichcasethe userwillberequiredtocorrecttheinterferenceathisownexpense. FCCCaution Anychangesormodificationsnotexpresslyapprovedbytheparty responsibleforcompliancecouldvoidtheusersauthoritytooperatethis equipment. FCCWarning Thisequipmenthasbeentestedandfoundtocomplywiththeregulations foraClassBdigitaldevice,pursuanttoPart15oftheFCCRules. Operationissubjecttothefollowingtwoconditions:
(1)Thisdevicemaynotcauseharmfulinterference.
(2)Thisdevicemustacceptanyinterferencereceivedincludinginterference thatmaycauseundesiredoperation. Page 8 of 8