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DB2

LOUDNESS CONSISTENCY
PROCESSOR

USER’S MANUAL

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Summary of Contents for DB2

Page 1: ...DB2 LOUDNESS CONSISTENCY PROCESSOR USER S MANUAL...

Page 2: ...as been dropped This equipment should be installed near the socket outlet and disconnection of the device should be easily accessible To completely disconnect from AC mains disconnect the power supply...

Page 3: ...ent lighting control apparatus for professional use Part 1 Emission EN 55103 2 Product family standard for audio video audio visual and entertainment lighting control apparatus for professional use Pa...

Page 4: ...Step by Step With the launch of DB2 TC Electronic also introduces a new commitment to buyers of any DB processor Within two years of the original purchase users may upgrade DB2 to DB4 or DB8 and DB4 t...

Page 5: ...e DB2 s card slot Go to the TC Icon System Card page Decide whether you wish to exclude the System Preset that hold overall Clock settings Analog Trim levels Dither Status Bit settings and GPI setting...

Page 6: ...rently recalled preset has been edited but not stored GAIN Meter Indicates the current Loudness correction gain as per ITU R BS 1770 or ITU R BS 1770 2 OPTIMIZE Meters Indicates gain reduction in the...

Page 7: ...2 9 pin Sub D BNC Sync In GPI IN RS232 For connecting to a PC RS232 port use a standard 9 pin Sub D cable Supplied For connecting to a PC USB port use the supplied RS232 to USB connector Note max reco...

Page 8: ...tart the installation of the TC Icon Software Editor will proceed Follow the instructions A TC Icon shortcut will appear both on the desktop and in the Start menu The MS installer is a small installat...

Page 9: ...nly subjects relevant for usage with the DB2 will be discussed DB2 is connected to your computer via a serial COM port RS232 or via the supplied RS232 to USB converter Please note that RS232 can be us...

Page 10: ...page User Presets The User banks U1 to U8 can hold up to eight presets each Factory Presets DB2 comes loaded from the factory with a collection of general purpose factory presets organized in banks F...

Page 11: ...ital SRC is selected on the Engine I O page Analog Trim Input Trim L Input Trim R Range 1 00 to 1 00 dB in 0 05 dB increments Level trim for analog inputs Output Trim L Output Trim R Range 1 00 to 1 0...

Page 12: ...as a fraction of Vs and as a guideline typical voltages when Vs 5 000 V If the supply voltage is e g 5 015 V the table should be corrected by multiplying these values by 5 015 5 GPI Implementation Thr...

Page 13: ...or the two yellow digits on the In Out meters SYSTEM NET PAGE ICON VIEWS The upper part of this page holds information on the current software versions and the serial number of the accessed unit Netwo...

Page 14: ...the set Analog Scale Output level MAIN PAGE Input In Gain Range 0 dB to Off There are separate level controls for the left and right Input A and B Phase Inv L R Range Normal Inverted Click to invert t...

Page 15: ...l is relative to Reference Level on the Main Page Add Target Level to Reference Level to calculate the target loudness level When Loudness Measure is set to BS 1770 2 the calculation will have the uni...

Page 16: ...s adjustments EQ PAGE Introduction DB2 features a digital three band parametric EQ with high pass and low pass filters switch able between Notch Parametric Shelving and Cut types The needle sharp notc...

Page 17: ...Mid Gain 12 dB to 12 dB Hi Gain 12 dB to 12 dB Range for the Notch filter Lo Gain 100 dB to 0 dB Mid Gain 100 dB to 0 dB Hi Gain 100 dB to 0 dB EQ PAGE Type Click TYPE and use Faders 1 to 3 to set the...

Page 18: ...pplied from the multiband system Below the Defeat Threshold the frequency response is flat and gain is unity Defeat Threshold is relative to Compressor Threshold which is relative to Reference Level D...

Page 19: ...h between emphasis Off HD and normal DTV broadcast 50 microsec 75 microsec and J17 NICAM emphasis Note When pro nounced Emphasis Limiting is required it is normally advisable to link the limiters to a...

Page 20: ...r BNC AES3 id 75 ohm RCA Phono S PDIF AES3 id 24 bit S PDIF 24 bit EIAJ CP 340 IEC 958 HPF TPDF dither 8 to 24 bit BNC 75 ohm 0 6 to 10 Vpp 32 kHz 44 1 kHz 48 kHz 0 5 ms 48 kHz 0 to 1000 ms 24 bit at...

Page 21: ...higher For AC3 transmission however the Limit Threshold should not go much above 6 dBFS to avoid distortion in consumer devices If DB2 is processing for a low dynamic range platform such as IPTV or Mo...

Page 22: ...cable The Input meters will show 0 dB The symbol will indicate that the test is positive The symbol will indicate that there is a problem with the input or the output Test 4 RS232 remote I O Test Con...

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