User`s Manual
Contents
1. RS 232 USB It is possible to control several external devices such as transcoder mixer and switchboard 16 USER S MANUAL www stream labs com Connection of CG through the mixer For external mixer with DSK input Down Stream Key all Stream ALPHA cards have a special KEY output for the key signal produced by the card and the possibility to switch off the mixing of computer graphics Fill with pass through or black burst signal inside the card via alpha channel The program of card installation allows adjusting positive or negative delay of key signal relative to output graphics within wide range of values Mixer N21 Video input signal Ne1 Video output Video input signal Ne2 signal Ne1 Video input signal N23 J coo gt Reference Stream ALPHA board with CG and on air playback amp TV automation software Video Preview 3 CG System LAN N lt RS 232 USB lt Control Connection of CG to several channels through the mixer Single CG as a part of regional TV studio serves several retransmitted channels one by one according to its own schedule The retransmitted cha2. 15 pin card connector Preview expansion card The installation of Preview expansion card on Stream Alpha Plus makes it possible to play back titles using Preview channel without any changes in the main mixing chain The Preview output is connected to one of the card 15 pin connector output Audio BYPASS expansion card The installation of Audio BYPASS expansion card on Stream Alpha Plus card provides the relay bypass of the audio channel Stream Alpha Component computer graphics card Stream Alpha Component card is designed to process input output YUV component signals It uses 10 bit DAC with 4 x oversampling to generate clear and sharp image at the output The card has the all digital graphics generation channel and can function in both analog and digital mixing modes In case of digital mixing the input signal is digitized mixed with graphics and sent to the output with approx 15 us delay In the digital mixing mode the input signal may be a component YUV RGB signal as well as an S Video or Composite signal In the latter case the signal is decoded with the use of adaptive color combine filter for splitting brightness and chrominance signals USER S MANUAL www stream labs com The card overlays graphics over live video signal using the alpha channel which makes it possible to adjust the transparency level of each image pixel Stream Alpha Component is eguipped with an internal sync generator that switches on automatically
3. MANUAL www stream labs com Assignment of Stream ALPHA card connectors Prior to installing and connecting Stream Alpha cards please get familiar with the connector layout and assignment Stream ALPHA Plus e Composite In BNC connector PAL SECAM NTSC signal input e S Video In miniDIN 4 connector S Video Y C input e Composite Out BNC connector PAL SECAM NTSC signal output e S Video Out miniDIN 4 connector S Video Y C video signal output e YUV Key RGB Key Out 15 pins D SUB connector Standard cable with 5 BNC connectors Y Cr Cb or R G B red green blue accordingly KEY white Preview output black H j S Video Output i Composite a Output S Video M Input J Prewiev pa Goimposite L Input L R Y Output EJ lee R Y Output ill G U Output B V Output The connector cable is not included in the standard delivery set and can be purchased separately The card default signal is RGB Key you can switch to YUV Key mode by using the system settings see below D SUB 15 pins connector soldering pattern Ground Ground Ground Ground f ev w USER S MANUAL www stream labs com Analog and digital mixing modes Any combination of connection types can be used when digital mixing mode is on It also gives a free choice of standards at the input and output If the card is connected according to the PAL Composite PAL Composite or PAL S Video P
4. AL S Video scheme without coding and subseguent decoding the signal passes through the card without any changes and delay Analog mixing mode INPUT OUTPUT PAL Composite PAL Composite RGB Fill Key 50Hz YUV Fill Key 50Hz PAL S Video PAL S Video RGB Fill Key 50Hz YUV Fill Key 50Hz NTSC Composite NTSC Composite RGB Fill Key 60Hz YUV Fill Key 60Hz NTSC S Video NTSC S Video RGB Fill Key 60Hz YUV Fill Key 50Hz Digital mixing mode INPUT OUTPUT PAL SECAM Composite or S Video PAL SECAM Composite or PAL SECAM S Video RGB 50Hz YUV 50Hz RGB Fill Key 50Hz YUV Fill Key 50Hz NTSC Composite or S Video NTSC Composite or NTSC S Video RGB 60Hz YUV 60Hz RGB Fill Key 60Hz YUV Fill Key 60Hz When analog mixing mode is used only computer graphics in component format can be output from the D SUB 15 pin connector When digital mixing mode is used both computer graphics in the component format and video signal can be output to the 15 pin connector 11 USER S MANUAL www stream labs com Audio BYPASS extension module for Stream ALPHA Plus card e Audio In RCA connector Audio Line In Stereo e Audio Out RCA connector Audio Line Out Stereo e Sound Card In Phonejack Stereo connected to Line In of the sound card e Sound Card Out Phonejack Stereo connector to Line Out of the sound card Connect for Stream ALPHA Plus
5. Audio Input aie f L Stereo 10116 C0 Audio Output ce f L Stereo coke p gt M Sound Card In Cl gt Sound Card Out es gt Video Card Stream ALPHA Plus Audio BYPASS Sound Card Creative Audigy EH o amp Video In Out Composite S Video Audio In Out Stereo 12 USER S MANUAL www stream labs com Stream ALPHA Component e RCA connector Composite output Preview signal e 37 pin connector to connect special adapter having two bunches with four wires in each one The first has reference input Composite black and Y Cr Cb inputs green red and blue accordingly The second bunch has Alpha Channel white and Y Cr Cb outputs green red and blue accordingly Attention Whatever connection mode is used it is necessary to connect sync signal to the card input black connector and Y green connector Reference S Composite R Y Input KID Output G U Input DD B V Input KD Analog Key Output R Y Output Sf G U Output gt B V Output ST Scheme of D SUB 37 pins connectors KN as le 7 KON On an MENEN H MSI KSNK HSS SEITSEMISEN EPE ENNE 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 G G e e e e6l e6 e REF reference i
6. EJ Stream Labs TELEVISION COMPUTER SYSTENIS Drom ALPIILA Plus DELS ALTIAN Comoonans Siro ALPTIA 99 Direc JID 50 Computer graphics overlay cards User s Manual 1 Stream Labs OUALITY 11 April 2007 Windows XP 3 YEARS WARRANTY USER S MANUAL www stream labs com Warranty obligations Stream Labs JSC provides the 3 year warranty for the Stream ALPHA and Wind SDI series cards It includes the free of charge repair in case of defects made through our faults or faults of manufacturers of components The manufacturer shall not be liable for the defects caused by the wrong operation of the device Copyright Hardware and software components of Stream Alpha card sets may not be copied or transmitted in any form without prior consent of Stream Labs JSC STREAM LABS contact information STREAM LABS JSC 93 bldg 1 Dmitrovskoe highway 127486 Moscow Russia tel fax 7 495 739 82 42 e mail info stream labs com STREAM LABS LATINOAMERICA Tomas de Tezanos 1139 Torres Nauticas Torre 20 of 1110 tel fax 598 2 623 41 85 CP 11300 Montevideo Uruguay e mail ricardovazquez stream labs com STREAM LABS TAIWAN No 5 1 Innovation 1st Rd Science Based Ind l Park Hsin Chu City Taiwan R O C tel 886 3 579 06 78 Ext 206 886 9 21 22 54 05 fax 886 3 579 06 22 e mail katya stream labs com USER S MANUAL www stream labs com Table of contents Professional TV character generation and a
7. ad is switched off There is no distortion in the pass through signal at start up and during initialization For output of computer graphics the video card memory buffer with 720x576 pixels size for 50 Hz video systems and 720x480 pixels for 60 Hz systems is used Each pixel has 32 bit representation 24 bits of which are used for representation of its color 16 min colors and 8 bits for specifying one of 256 transparency degrees alpha channel Although the computer graphics colors have 24 bit representation 8x8x8 at mixing 30 bit representation 10x10x10 is used i e the input signal is a 10 bit one it remains the same at the output after mixing The memory used for graphics buffer and PCl bus bandwidth in modern computers enables real time refreshing of its entire content without loss of shots transmitting uncompressed image 32 bit pixel together with the sound In addition to the digital serial input Stream Alpha SDI video card is also equipped with analog inputs YUV RGB S Video and Composite It also may generate analog signals YUV RGB at the output simultaneously with SDI signal regardless of the input being used For signals generation at the analog outputs 10 bit digital to analog converter with 4 fold oversampling is used It allows obtaining HF noise total filtration without reducing the passband of Y channel output signals Stream Wind SDI computer graphics card Stream Wind SDI card is designed to output com
8. al sync generator that switches on automatically in case the input signal is missing If computer power supply is switched off or BYPASS mode is activated the output is directly connected to the input through relay contacts and 75 Ohms load on the card is disconnected The card can overlay computer graphics over video signal either internally or using the external mixer It has a special KEY signal output to operate jointly with an external mixer It is possible to switch on off the internal multiplication of generated image by Alpha Channel In addition to the conventional analog mixing the card can operate in the digital mode that enables decoding of the input video signal The decoding and subsequent coding delays the video signal about 10 us Digital mixing makes it possible to change standards of output signal relative to input signal PAL SECAM CVBS lt S Video Besides it allows leveling down reguirements to the guality of input signal while keeping the high guality of output signal Composite signal is decoded using color combine filter to separate brightness and chrominance signals In case of the digital mixing and SECAM output mode the output flow is penetrated by field color sync signals which makes it possible to use the card for transcoding video standards PAL SECAM and SECAM PAL The possibility of capturing and hardware scaling of video signals from the card inputs allows changing the size of incoming video tog
9. ass through mode If there is no possibility to connect CG Character Generator through the mixer it can be connected in the pass through mode Titles and computer graphics overlaid over the video signal are delivered from the CG to the Stream ALPHA card input and the result of CG operation from the card output is sent on the air It means that Stream Alpha card functions as a mixer The CG operation in that mode must comply with several reguirements Primarily it concerns stability and reliability of the system The reliability of the system based on PC depends not only on the reliability of titling card and appropriate software but also on the other components of CG station Therefore to avoid the black screen during live broadcast all Stream ALPHA cards are eguipped with by pass relay If the computer power supply is switched off or BYPASS mode is activated the output is directly connected to the input through relay contacts and the live video signal passes through the CG without any changes Stream ALPHA Plus and Stream ALPHA Plus YUV cards have also Preview output in order to preview the information prior to putting it on air Stream ALPHA board with CG and on air playback amp TV automation software Pan Video input signal Video output signal
10. ether with titling with minimal resources of central processor Due to the usage of PCI Express 1x bus on Stream Alpha Plus PCI E interface and card bandwidth enables overlaying full screen titles with alpha channel and capturing input video signal at the same time All the graphics generated by the card passes through the active digital filter It is possible to enable disable the insertion of the sync into the Green signal of the component output and Alpha Channel Component RGB YUV output and Alpha Channel output make it possible to operate the card jointly with the mixer having an appropriate input and DSK input USER S MANUAL www stream labs com Specifications 188x126 mm PCI Express 1x Inputs 1 0V 75 Ohm Composite S Video PAL SECAM NTSC Outputs 1 0V 75 Ohm Composite S Video PAL SECAM NTSC RGB DSK YUV DSK gt 10mHz Analog mixing bandwidth gt 10 mHz Differential nonlinearity Alpha channel 256 degrees of transparency Alpha channel delay From 127 to 127 pixel each adjustment Chrominance subcarrier from O to 360 256 values phase adjustment Adjustment of graphics Within the limits of entire active line position relative to sync with the pixel accuracy signal Optional eguipment YUV option Special connector unit for the output of YUV KEY component signals used when the card is connected to the mixer through DSK input YCrCb Alpha Key or RGB Alpha Key from D SUB
11. he only constraint is an artist s imagination any fonts 3D shadows semitransparent masks textures complex multi layer designs animation and many other things are available Besides in contrast to character generators included into the non linear editing equipment the Stream ALPHA and WIND SDI based systems do not require the digital video disk processing with deteriorated quality due to the compression disk space consumption and significant time costs required for caption processing Software developers attempted to meet all current customer needs Now we are able to meet virtually any challenges from crawls output to interactive programs creation live polls and automated output of blocks of news and ads etc USER S MANUAL www stream labs com Description of system components hardware Stream ALPHA Plus computer graphics overlay card Stream Alpha Plus is designed to work with Composite or S Video input and output signals of PAL SECAM and NTSC standards It also has a separate RGB YUV Key Component output on the card to use computer graphics without mixing it with video Stream Alpha Plus has the all digital image formation chain which improves the quality of generated signal and its binding to the input signal The card overlays graphics over live video signal using Alpha Channel that allows setting the transparency level of each pixel of the image and changing it when playing Stream Alpha Plus is eguipped with intern
12. in case the input signal is missing If the computer power supply is switched off or BYPASS mode is activated the output is directly connected to the input through relay contacts and 75 ohm load on the card is switched off The card may overlay computer graphics on video signal both inside itself and on the external mixer with proper YUV input and DSK Down Stream Key input For this purpose the card has a special KEY output for key signal and allows to switch off multiplying of the image generated by the computer to alpha channel There is also a separate sync input Reference also used as the composite input and extra composite output Specifications Dimensions 172 x 107 mm Bus Inputs YUV RGB 1 0V 75 Ohm Reference 0 3V 75 Ohm Composite 1 0V 75 Ohm Outputs YUV RGB 1 0V 75 Ohm KEY 1 0V 75 Ohm Preview 1 0V 75 Ohm TV standard Transmission band at analog gt 10mHz mixing Alpha channel Alpha channel delay From O to 127 pixel each adjustment Chrominance subcarrier phase From 0 to 360 256 values adjustment Adjustment of graphics position Within the limits of entire active line relative to sync signal with the pixel accuracy Stream Alpha SDI computer graphics card Stream Alpha SDI is a multifunctional video card which is able to substitute several devices in a studio at the same time In addition to the primary function of graphics overlaying on live digital SDI sig
13. ite signals shall be available at the card output When the external mixer is used the sync signal should be sent to either SDI or Composite input Which one is chosen is not of much importance The card output provides Graphics SDI Composite and DSK alpha channel output for connecting to mixer WARNING The computer and video eguipment shall be energized by a single 1 power mains The computer must be grounded If a separate grounded cable is available in your power mains you should use it otherwise the grounding cable may be laid out from the power switchboard make the gualified personnel do this The grounding guality will effect the safe condition of your eguipment and image guality To minimize the interference it is recommended to connect the cases of computer and video eguipment with one wire WARNING The connecting wires shall be not switched when the computer and lt video eguipment are energized This may lead to a failure of video system computer and video eguipment Prior to switching all eguipment shall be cut off by disconnecting power cables 19
14. nal or output of graphics for external mixer the video card is able to convert analog signals to digital SDI video signal and vice versa and may capture single shots frames and video fragments Stream Alpha SDI uses 8 and 10 bit serial component SDI input and 10 bit output signals in compliance with CCIR656 and SMPTE259m recommendations When signal passes through the card all service information is preserved and sound packages may be either kept or replaced as reguired In the input signal error check with calculation of 7 USER S MANUAL www stream labs com checksum is performed by EDH technique At the output EDH packages are always generated anew in compliance with SMPTE165 recommendation The card operates in the external synchronization mode using analogue reference If computer graphics only is to be output Black burst sync signal can be connected to the main or auxiliary analog input If external reference is missing the internal generator is used In order to use the above devices in combination with the external mixer having DSK input Down Stream Key key signal output of alpha channel in analog and digital format was specially designed Card setup program allows to set both positive and negative delay of key signal relative to the output graphics within broad range If the computer power supply is switched off or BYPASS mode is activated SDI input and output are connected together through relay and 75 ohm lo
15. nnels are almost always not synchronized therefore it is necessary to use synchronizing mixer or switchboard Then only one sync signal comes to the CG input it may be lacking as well and Fill and Key output signals come to DSK mixer The control line from CG to the mixer allows controlling computer graphics output exactly at the moment according to the schedule When several character generators are connected through the network the operator can control them remotely Information output from several CG systems as well as on line display of all the information coming to the computers can be controlled remotely via single program Auxiliary devices can be connected to CG using COM and USB port 17 USER S MANUAL www stream labs com Installation and connection of Stream ALPHA cards 1 Open the computer cover and install the card into the free slot All Stream ALPHA cards except for the new card Stream ALPHA Plus should be installed into the standard PCI slot The new Stream ALPHA Plus card uses the PCI Express 1x bus Care should be taken during the installation The card should be handled with fingers at edges which would make it possible to avoid touching the components of the card and damage them e It is recommended to avoid installing Stream Alpha card to the slot adjacent to the video card Modern video adapters generally warm up The overheated Stream Alpha cards can cause the deviation of some parameters of cards from the value
16. nput Composite YUV inputs YUV2 outputs Key Alpha channel output G ground 13 USER S MANUAL www stream labs com Stream ALPHA SDI e There are three BNC connectors on the card one RCA connector and one 15 pins connector which can be connected to the special adapter having seven BNC connectors KEY signal output white and in 3 inputs outputs Y Composite Cr Cb green red and blue accordingly e The card has SD SDI inputs outputs YUV Composite inputs outputs and analog and SD output of DSK Alpha channel for connection with the mixer When the card is connected to the mixer reference can be send from both SDI and Analog input Composite In Composite Input SD SDI R Y Input IS Input SDI Key G U Input K gt Output SD SDI B V Input K gt Output Key Output gt R Y Output K gt G U Output KIT B V Output Mo Scheme of D SUB 15 pins connectors YiGompout Gsm ed e 1 Ground Goud Goud Groma AraiogKey vm m cem 14 USER S MANUAL www stream labs com Stream Wind SDI e Analog reference input Composite Reference e SD SDI Fill output SMPTE259M standard e SDI Key output e Analog output Preview Reference Input SD SDI Fill Output SD SDI Key _ Output Composite Preview i Output USER S MANUAL www stream labs com Connection diagrams of Stream Alpha cards Connection of CG in the p
17. puter graphics and embedded audio to the mixer or to the recording system The card has the SD SDI input meeting the SMPTE259M recommendations The card operates in external synchronization mode using analogue reference If external reference is missing internal generator is used A special SDI key signal output alpha channel is provided to use above mentioned devices together with external mixer having DSK input Down USER S MANUAL www stream labs com Stream Key Card setup program allows setting positive or negative key signal delay regarding output graphics within wide range The buffer size of video card memory for computer graphics output is 720x480 for 60 Hz Each pixel has 32 bit resolution where 24 bit is used for color 16 million gradations and 8 bit to set up one of 256 transparency levels alpha channel The memory used for graphics buffer and PCI bus bandwidth in modern computers enables real time refreshing of its entire content without loss of frames transmitting uncompressed image 32 bit pixel together with the embedded audio Specifications PCI bus PCI 33 66 MHz Inputs reference analog input 0 3V 75 Ohm Outputs Composite Preview 1 0V 75 Ohm SD SDI FILL SMPTE259M standard SD SDI KEY SMPTE259M standard Resolution 720x576 720x480 for 60 Hz systems 32 bit YUV Key 4 4 4 4 RGB Key 4 4 4 4 or 16 bit YUV 4 2 2 Video buffer updating 90 Mb s rate USER S
18. s specified by the manufacturer e If you install the card of Stream Alpha family to the case that is not provided with additional cooling you are recommended to use the System Cooler for PC and install it into the adjacent slot 2 Close the computer 3 Install the electronic protection key to the relevant connector of the computer 4 Connect the video signal sources and receivers e Stream Alpha Plus card If a video recorder is used as a video signal source it should be provided with Time Base Corrector If the consumer video recorder is used the output signal quality is not guaranteed If the duct is good for both S Video and Composite signals we recommend to use S Video signals This helps to significantly improve the image guality USER S MANUAL www stream labs com e Stream Alpha Component card When using the Stream Alpha Component card connect the sync signal black and YUV inputs green red and blue In that case you will get the overlay of Video Graphics in YUV format green red and blue and Composite signals at the card output If an external mixer is used the sync signal should be connected to the card input black input In so doing you will get at the output only Graphics in YUV format green red and blue DSK Down Stream Key and Composite Preview e Stream Alpha SDI card In the pass through mode it is sufficient to connect the SDI input and output Again Video Graphics and Compos
19. utomation is our specialty 4 Description of system components hardware 5 Stream ALPHA Plus computer graphics overlay card 5 Stream ALPHA Component computer graphics overlay card 6 Stream ALPHA SDI computer graphics overlay card 7 Stream WIND SDI computer graphics overlay card 8 Assignment of Stream ALPHA card connectors 10 Connection diagrams of Stream ALPHA cards 16 Installation and connection of Stream ALPHA cards 18 USER S MANUAL www stream labs com Professional TV character generation and automation is our specialty The Stream ALPHA and WIND SDI series computer graphics overlay cards are intended for the real time operation and ensure the titling output of ads blocks and design of live TV programs such as news weather forecasts live sports reports talk shows etc The system was developed as an open platform making it possible to use varied software Structurally the station comprises the IBM compatible PC eguipped with PCI computer graphics overlay and titling card and software operating in Windows XP Such an approach provides the system with flexibility growth potential and extended functionality due to the updated software and increased computing capacity The open architecture allows to build the station according to specific application The standard delivery set includes all interfaces and tools reguired to use the station as a character generator for program editing and on air performance As regards program composing t
Download Pdf Manuals
Related Search