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AEM3000C01

Содержание AEM3000C01

Страница 1: ...AEM3000C01 ANALOG AUDIO EMBEDDER IN SD SDI DIGITAL VIDEO 4 CHANNELS 1 GROUP Version 1 0 Albalá Ingenieros S A Medea 4 28037 Madrid Spain 03 January 2018 Albalá Ingenieros S A All rights reserved ...

Страница 2: ...AEM3000C01 ...

Страница 3: ...iderations 12 3 4 Power considerations 12 3 5 Module configuration 12 3 6 Installing the module in the mounting frame 13 3 7 Interconnection 15 3 7 1 Electrical SDI video connections 15 3 7 2 Analog audio connections 16 4 OPERATION 17 4 1 Front panel description 17 4 2 Configuration from the front panel 18 4 3 The pre processing block 18 4 4 Module remote control and supervision 20 4 4 1 Details o...

Страница 4: ...AEM3000C01 ...

Страница 5: ...ntroller in the same mounting frame as the AEM3000C01 The module includes an audio pre processing block that can perform level adjustment polarity inversion for each channel and assignment of the channels All of these functions are performed in the digital domain previous to the A D conversion In order to access the functions of this block a communications controller must be installed in the same ...

Страница 6: ... or 24 bit audio insertion using extended audio packets Front panel indicator for SDI signal absence and EDH errors Front panel indicators for overload and silence in the analog audio inputs Front panel indicator for groups present in the incoming SD SDI signal Front panel button for selection of audio group for insertion Ability to remove all audio groups contained within the incoming SDI signal ...

Страница 7: ...Albalá Ingenieros Manual AEM3000C01 1 3 Block diagram 7 ...

Страница 8: ...Albalá Ingenieros Manual AEM3000C01 AEM3000C01 8 ...

Страница 9: ...format According to SMPTE ST 259 standard Bit rate 270 or 360 Mbit s Embedded audio format According to SMPTE 272M standard 48kHz synchronous with video Input to output delay 630 ns Analog audio signal input Connector Plug in terminal 3 81 mm pitch Impedance 24 kΩ Type Active balanced Number of inputs 4 monophonic channels Common mode rejection ratio CMRR at 50 Hz 75 dB at 20 kHz 75 dB Maximum com...

Страница 10: ...0 Hz Upper 0 49xfs Noise Unweighted 103 dBFS measured with a 1kHz 60 dBFS tone Harmonic distortion plus noise THD N 100 dB measured with a 997 Hz 1 dBFS tone General Maximum power supply current 500 420 mA Operating temperature range 0 40 C Approximate weight 375 g 10 ...

Страница 11: ...ns This equipment must be connected to a mains outlet with a protective earth connection Never use extension cords that do not have protective earthing connection The lack of an effective electrical connection between the ground pin in the mains input connector of the equipment and the protective earth of the electrical power distribution can cause serious harm All modules of the Albalá Ingenieros...

Страница 12: ...nels has a program jumper for setting the full scale value to between 15 and 28 dBu in 1 dB steps The AEM3000C01 comes from the factory programmed with full scale values of 22 dBu The AEM3000C01 also includes a block of DIP switches for selection of the desired operating mode upon startup This configuration can be changed later using the control software if the mounting frame where the module is i...

Страница 13: ...1 module with the rear board in the mounting frame are 1 Disconnect all power cords from the power supplies of the mounting frame 2 Remove the blank panels covering the front and rear of the empty bays chosen for installing the AEM3000C01 in the mounting frame 3 Install the AEM3000P02 rear board ensuring that its 12 pin connectors are properly aligned with the mounting frame s mating connectors Ch...

Страница 14: ...requirements The configuration process is detailed later in the INSTALLATION section of this manual 6 Insert the AEM3000P01 board main board of the AEM3000C01 module into the front of the mounting frame The edges of the card slide into two plastic guides inside the mounting frame 7 Affix the main board to the mounting frame using the two screws included on the front panel After these steps the mod...

Страница 15: ...nd STREAM 2B The remaining connectors shown in the silkscreening on the rear board are not used in this device The rear interconnection board is not designed to withstand mechanical stress The wiring must be fastened properly to the frame where the mounting frame is housed to prevent the rear board from supporting the weight of the cables 3 7 1 Electrical SDI video connections All electrical SDI v...

Страница 16: ...ed sections with double BNC female or barrel connectors If it is necessary to split the cable into two sections the same type of wire should be used in both sections The use of analog video coaxial cables RG 59 type or similar is not recommended for digital video except for very short distances 3 7 2 Analog audio connections Analog audio inputs are high impedance balanced and use 3 81 mm pitch ter...

Страница 17: ...ont panel indicators of the AEM3000C01 module and their remote control and monitoring ability 4 1 Front panel description The appearance of the front panel and the elements it contains are shown in the following illustration Front panel of the AEM3000C01 The panel contains the following elements 17 ...

Страница 18: ...brightest indicates the embedded audio group that is currently being embedded GROUP SEL Pushbutton This button selects the audio group to be embedded 4 2 Configuration from the front panel The SDI stream is capable of carrying up to four audio groups where each group contains two or four audio signals that are independently encoded at 20 or 24 bits Selection of the group to be embedded is done via...

Страница 19: ...ersal of the polarity of each of the audio signals The level adjust circuit can independently modify the gain of each output signal of the matrix The adjustment range is 127 steps of 0 5 dB each going from 39 5 dB to 24 dB The signal can also be muted The full scale level of the output signal can be set between 15 and 24 dBu using program jumpers The input matrix can connect any of the four inputs...

Страница 20: ...ion The AEM3000C01 can optionally be remotely controlled supervised In order to perform remote configuration and supervision of the module an optional TL3000 family remote communications controller must be installed in the mounting frame The main function of the communications control module is to interface between a 10 100 Ethernet port an EIA RS232 or an EIA RS485 serial port and the internal bu...

Страница 21: ...modified The parameters that can be controlled and supervised remotely for each version of the firmware are listed below VERSION 1 X CONTROL Name add ext msk snmp trap Description EMBED_INS 0x00 0x01 Y N Allows selecting if the audio is embedded 0 No 1 Yes EMBED_MODE 0x00 0x02 Y N Allows selecting if the incoming audio groups are deleted before embedding 0 Clear Insert 1 Append EMBED_CH 0x00 0x04 ...

Страница 22: ...D 0x04 N N Allows masking IN1 overload fail 0 Disabled 1 Enabled OVL_AES2_MASK 0x0D 0x08 N N Allows masking IN2 overload fail 0 Disabled 1 Enabled NO_SIGNAL_MASK 0x0D 0x10 N N Allows masking no SDI signal fail 0 Disabled 1 Enabled PCHK_ERR_MASK 0x0D 0x20 N N Allows masking SDI signal packet checksum error fail 0 Disabled 1 Enabled EDH_ERROR_MASK 0x0D 0x40 N N Allows masking EDH errors 0 Disabled 1...

Страница 23: ...1 Fail ACT_EDA 0x06 0x02 N N Active picture EDA bit status 0 OK 1 Fail ACT_IDH 0x06 0x04 N N Active picture IDH bit status 0 OK 1 Fail ACT_IDA 0x06 0x08 N N Active picture IDA bit status 0 OK 1 Fail ACT_UES 0x06 0x10 N N Active picture UES bit status 0 OK 1 Fail FULL_EDH 0x07 0x01 N N Full field EDH bit status 0 OK 1 Fail FULL_EDA 0x07 0x02 N N Full field EDA bit status 0 OK 1 Fail FULL_IDH 0x07 0...

Страница 24: ...Albalá Ingenieros Manual AEM3000C01 AEM3000C01 24 ...

Страница 25: ...It consists of the insertion of a CRC Cyclic Redundancy Check packet at the end of each video field to check the data in that field The receiving equipment calculates the CRC for the data received and compares it with the CRC received in the packet to determine if errors are present in the transmission SD SDI Standard Definition Serial Digital Interface A serial digital interface capable of transm...

Страница 26: ...Albalá Ingenieros Manual AEM3000C01 AEM3000C01 26 ...

Страница 27: ...ual AEM3000C01 6 REGULATIONS SMPTE ST 259 2008 SDTV Digital Signal Data Serial Digital Interface See also ITU R BT 656 5 SMPTE 272M 2004 Formatting AES EBU Audio and Auxiliary Data into Digital Video Ancillary Data Space 27 ...

Страница 28: ...Albalá Ingenieros Manual AEM3000C01 AEM3000C01 28 ...

Страница 29: ...Albalá Ingenieros Manual AEM3000C01 7 VERSIONS Ver Date Description 0 0 13 06 2013 Preliminary Version 1 0 03 01 2018 First version ...

Страница 30: ...Albalá Ingenieros S A Medea 4 28037 Madrid Spain 34 913274453 www albalaing com info albalaing com ...

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