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Digigram IQOYA *SERV/LINK User Manual

Multichannel ip audio codec
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IQOYA *SERV/LINK user manual
IQOYA *SERV/LINK
Multichannel IP audio codec

User manual

Sept 2016
From firmware 2.05
1

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Summary of Contents for Digigram IQOYA *SERV/LINK

  • Page 1: User Manual

    IQOYA *SERV/LINK user manual IQOYA *SERV/LINK Multichannel IP audio codec User manual Sept 2016 From firmware 2.05...
  • Page 2 1.1. Features common to all IQOYA *SERV/LINK 1U racks 1.2. IQOYA *SERV/LINK with analog and AES/EBU I/OS (*SERV/LINK882, *SERV/LINK16162) 1.3. IQOYA *SERV/LINK with AES/EBU only I/OS (*SERV/LINK881, *SERV/LINK16161, 24241, 32321) 1.4. IQOYA *SERV/LINK with MADI I/OS (base version: *SERV/LINK88-MADI) 1.5. IQOYA *SERV/LINK for transcoding only 2.
  • Page 3 IQOYA *SERV/LINK user manual 9. WEB pages organization 9.1. “Preferences” category of menus 9.1.1. Preferences -> System 9.1.1.1. Preferences -> System -> Properties 9.1.1.2. Preferences -> System -> Audio Clock 9.1.1.3. Preferences -> System -> Audio setup 9.1.1.4. Preferences -> System -> Alarms setup 9.1.1.5.
  • Page 4 IQOYA *SERV/LINK user manual 9.4.2. Receive-> Programs Status 10. Managing sound files and playlists via FTP 11. Specifications Audio I/Os specifications for Analog & AES/EBU versions 11.1.1. CONFIGURATION 11.1.2. CONNECTIVITY 11.1.3. ANALOG INPUTS 11.1.4. ANALOG OUTPUTS 11.1.5. AES/EBU INPUTS 11.1.6. AES/EBU OUTPUTS 11.1.7.
  • Page 5 IQOYA *SERV/LINK user manual Important Safety Information: read carefully before using this equipment! Follow these instructions and keep them in a safe place! Keep in mind that damages due to failure to Throughout this manual, the lightning observe the instructions contained in this manual are not covered by warranty.
  • Page 6 IQOYA *SERV/LINK user manual cables that connect with other components. déconnecté le cordon d’alimentation ainsi que tous les câbles la reliant à d'autres appareils. INFORMATION FOR THE USER “This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules.
  • Page 7 While every effort has been made to ensure accuracy, Digigram is not responsible for errors, omissions or typos, and reserves the right to make improvements or changes in the products and programs described without notice.

  • Page 8: Key Hardware Features

    IQOYA *SERV/LINK user manual 1. KEY HARDWARE FEATURES 1.1. Features common to all IQOYA *SERV/LINK 1U racks ● 1U rack ● Hot swappable redundant power supply units (220 VAC, optionally -48VDC) ● 2 x RJ45 10/100/1000 Mbits/s ports ● Front panel display and keypad 1.2.

  • Page 9: Key Software Features

    IQOYA *SERV/LINK user manual 2. KEY SOFTWARE FEATURES 2.1. Standard features ● Simultaneous encoding, decoding, transcoding ● Multi-format encoding and multi-protocol streaming of each input. ● Support of unicast, multi-unicast, multicast, multi-multicast addressing ● Support of IGMPv3 ● MPEG-TS/IP SPTS and MPTS streaming (encoding) ●...

  • Page 10: Physical Interfaces

    16/24-bit ● ITU G.711/722 ● ISO MPEG-1/2 Layer I, Layer II, Layer III ● AAC-LC, HE-AACv1 (LC+SBR), HE-AACv2(LC+SBR+PS), AAC-LD, AAC-ELD ● Opus Physical interfaces 3.1. IQOYA *SERV/LINK Front Panel 3.1.1. LEDs Power Status Network Error Off:​ IQOYA is not Green​ : No issue Green​...
  • Page 11 IQOYA *SERV/LINK user manual Go to next menu Go to previous item of current menu Go to next item of current menu 3.1.3. Navigating menus on LCD display...
  • Page 12 3.2. IQOYA*SERV/LINK Back Panel 3.2.1. Back panel for analog & AES/EBU version, and AES/EBU versions Note: IQOYA *SERV/LINK 881, 882, and 16161 do not feature connector “Audio I/O Port 2”. 3.2.2. Back panel for MADI versions 3.2.3. Back panel for AES67 versions 3.2.4.

  • Page 13: Audio Inputs And Outputs

    IQOYA *SERV/LINK user manual 4. IQOYA *SERV/LINK working principle IQOYA *SERV/LINK is a multi-channel IP audio codec. It allows at the same time: ● Encoding the incoming signals and streaming them over IP, ● Decoding IP audio streams to output channels ●...

  • Page 14: Audio Buses

    ● the encoding format: algorithm, bitrate, sampling frequency. On the decoding part of IQOYA *SERV/LINK, a program is the decoding of an audio source to the audio outputs. A program can be composed of three decoding priorities, with automatic switching from a priority to another in case the audio source is lost.

  • Page 15: Installation

    “Audio I/O port 1”. Warning​ : In case you use an IQOYA *SERV/LINK 16161, 24241, or 32321 (which are AES/EBU only versions), the WordClock output from “Audio I/O Port 1” must be connected to the WordClock input of “Audio I/O Port 2”.
  • Page 16 IQOYA *SERV/LINK user manual In case you do not know the IP addresses of the IQOYA *SERV/LINK unit you want to connect to, you can read its IP addresses from the front panel (see paragraph “LCD display and keypad”). Make sure all other devices connected to this LAN are in the same subnet and have different IP addresses (this includes the PC from which you will connect to the IQOYA codec to configure).
  • Page 17 IQOYA *SERV/LINK user manual ● Declare the IP services to be received from the network ● Declare the programs to be decoded from the received IP services, and assign them to internal audio buses. Declare the input programs (select audio buses as the sources of these input programs) ●...
  • Page 18 IQOYA *SERV/LINK user manual 7. Accessing IQOYA *SERV/LINK WEB pages From a WEB browser, connect to the IQOYA *SERV/LINK WEB pages: ● for a network connection through Eth0 port, enter https://192.168.0.100 (this is the default IP address of Eth0). ● for a network connection through Eth1 port, enter https://192.168.1.100 (this is the default IP address of Eth1).
  • Page 19 IQOYA *SERV/LINK user manual 8. Configuration from the WEB pages Click on the “value” field of a parameter to enter the edit mode. The background colour of all the parameters that can be modified becomes white. Select/enter the appropriate values for the parameters of the page, and click on “Apply” to confirm the settings, or “Cancel to ignore the changes.
  • Page 20 IQOYA *SERV/LINK user manual Decoders Settings of IP services to be received, and associated audio programs to be decoded to the outputs. Status Display the status of all the encoders and decoders, as well as the alarms. Help 9.1. “Preferences” category of menus Click on to display all the availables menus.
  • Page 21 IQOYA *SERV/LINK user manual 9.1.1. Preferences -> System 9.1.1.1. Preferences -> System -> Properties Parameter Read/Write Meaning Hostname R / W Logical name given to the device on the network. Device Name R / W Name given to the equipment...
  • Page 22 Click on the “Device clock” field to selected the clock source. Click on “Apply” to confirm your choice. 9.1.1.3. Preferences -> System -> Audio setup This page allows setting the global audio parameters of IQOYA *SERV/LINK: sampling frequency, decoder backup switching criteria, silence detection on the audio inputs.

  • Page 23: Parameter Description

    IQOYA *SERV/LINK user manual Click on a parameter field to be able to change the values. Parameter Description Processing granularity This is the smallest amount of data processed at a time by IQOYA. The lower the processing granularity, the lower the latency. Possible values are 1ms, 2ms, 3 ms, 4 ms.
  • Page 24 IQOYA *SERV/LINK user manual Stop streaming on IQOYA can also automatically stop streaming and restart streaming upon silence/signal detection silence detection on the audio inputs. This can be enabled by setting this option to “Yes”. As a consequence, a decoder receiving the stream will switch to a backup when silence is detected on the input of the encoder that generates the stream.
  • Page 25 IQOYA *SERV/LINK user manual 9.1.1.4. Preferences -> System -> Alarms setup Each alarm occurring on IQOYA can be written in a log file, or/and sent to a GPO, or/and signalled as an SNMP trap (not available in the first firmware version).
  • Page 26 9.1.1.5. Preferences -> System -> Logs This page allows viewing and downloading the log file of IQOYA *SERV/LINK. This log file gives information about the internal behaviour of IQOYA, and is useful for advanced diagnostics. Traces of enabled alarms are written into this log file (alarm ON, alarm OFF).
  • Page 27 IQOYA *SERV/LINK user manual Download logs:​ allows remotely downloading the log traces. 9.1.1.6. Preferences -> System -> Download / Upload This page allows downloading the IQOYA configuration to a remote PC, or uploading a configuration from a remote PC to IQOYA.
  • Page 28 IQOYA *SERV/LINK user manual Click on “Apply” to start the upload. Audio activity is not stopped during the upload. Once the package upload is completed, select the action “Install last uploaded firmware”,and click on “Apply”. Applying the firmware stops the audio activity. The equipment restarts automatically.
  • Page 29 IQOYA *SERV/LINK user manual 9.1.1.9. Preferences -> System -> Shutdown / Restart This page allow to restart or shutdown IQOYA. Click on the appropriate action. Confirm or cancel your choice through the displayed confirmation window. 9.1.2. Preferences -> Services This menu allows configuring the “network” services of IQOYA.
  • Page 30 For activation of the NTP based audio synchronization, select “Yes” for parameter “​ S ync audio on NTP cloc​ k ”. This requires that the software option is installed on the IQOYA *SERV/LINK, as well as on the associated IQOYA decoder​...
  • Page 31 IQOYA *SERV/LINK user manual 9.1.2.4. Preferences -> Services -> SNMP This page allows setting the SNMP parameters. It also displays the System group MIB-II information. IQOYA can be controlled and monitored via SNMP (SET, GET, Traps) provided that the SNMP service is activated.
  • Page 32 This menu allows accessing the network configuration of IQOYA. 9.1.3.1. Preferences -> Network-> Eth0 / Eth1 These two pages allow configuring the two network ports of IQOYA *SERV/LINK. Click on a parameter field (“Status” for instance) to enter the editing mode.
  • Page 33 IQOYA *SERV/LINK user manual We recommended to avoid the “Auto-negotiation” mode. Select the mode supported by the network node connected the IQOYA. DHCP Read/Write Allows enabling/disabling DHCP (Dynamic Host Configuration Protocol). Default value is OFF (disabled). Click on “On” to enable DHCP. This mode disables the following parameters.
  • Page 34 IQOYA *SERV/LINK user manual Click on “+Add VLAN” to declare a new VLAN. Parameter Type Description Network interface Read/Write Select the network interface that will support the VLAN (Eth0, or Eth1) VLAN ID Read/Write Enter the VLAN ID in the ranges [1-1001] [1006-4095]...
  • Page 35 IQOYA *SERV/LINK user manual In case the routing table has to be modified, click on “Download”. The routing table can be edited with a standard text editor such (as notepad). You may add IP routes, as described in the downloaded file.
  • Page 36 IQOYA *SERV/LINK user manual To modify the parameters of a COM port, click on its icon on the left column. Parameter Type Description Device name Read Name of the RS232 port Data transmission mode Read/Write Defines the way serial data are inserted into the IP audio stream.
  • Page 37 IQOYA *SERV/LINK user manual Parity Read/Write Select the method used for detecting errors on the RS232 port transmission: ● None: No ● Odd: number of bits of each character (including the parity bit) is always odd. ● Even: number of bits of each character (including the parity bit) is always even.
  • Page 38 IQOYA *SERV/LINK user manual 9.2. Audio I/Os category of menus This category gathers all the menus allowing for the configuration of the inputs that can be encoded, and the outputs that play decoded audio. 9.2.1. Audio I/O -> Input 9.2.1.1. Audio I/O -> Input -> VU meters This page displays the level of the signals incoming on the inputs (Line analog, AES/EBU, or MADI depending on the *SERV/LINK configuration).
  • Page 39 IQOYA *SERV/LINK user manual Select “Unlock faders” to change the input gains. If the *SERV/LINK features analog inputs, it is possible to adjust both the analog input gain and the digital input gain. Selection of analog or digital gain is done thanks to the selector below the fader.
  • Page 40 IQOYA *SERV/LINK user manual 9.2.1.2. Audio I/O->Input-> settings This page allows the following: ● select the input signals to be allocated to the encoder inputs ● naming of the encoder inputs For analog & AES/EBU *SERV/LINK versions, input type can be “Line”, “AES” or “AES+SRC” (choice is valid for two consecutive channels).
  • Page 41 IQOYA *SERV/LINK user manual Click on the name of an input (below an XLR icon) to be able to select the audio input and change the input name. Click on “Apply” to confirm the changes. 9.2.2. Audio I/O -> Output 9.2.2.1.
  • Page 42 IQOYA *SERV/LINK user manual Select “Unlock faders” to change the output gains. If the *SERV/LINK features analog outputs, it is possible to adjust both the analog output gain and the digital output gain. Selection of analog or digital gain is done thanks to the selector below the fader.
  • Page 43 IQOYA *SERV/LINK user manual 9.2.2.2. Audio I/O->Output-> settings This page allows the following: ● assign a physical output to a decoder output signal ● naming of the encoder outputs For analog & AES/EBU *SERV/LINK versions, output type is “Line+AES”: output signal is sent on both analog and digital outputs..
  • Page 44 IQOYA *SERV/LINK user manual 9.2.2.3. Audio I/O->Audio Bus Audio buses are useful for the transcoding of IP streams. An audio bus can be the destination of one or several output programs, and the source of input programs. The number of available audio buses is defined by the license.
  • Page 45 IQOYA *SERV/LINK user manual 9.3.1. Send -> Programs This page allows viewing and declaring the audio encoding instances: the programs. It can be accessed either from the left column, or from the icon “Go to programs” on the top right of the IP...
  • Page 46 IQOYA *SERV/LINK user manual Give a unique name to the program. Click on “Save” to confirm the parameters. Click on “Close” to discard the changes. Click on “Save & New” to confirm the settings,and duplicate them so that to create a new program with similar settings, except the name.
  • Page 47 IQOYA *SERV/LINK user manual If all Programs are unused and you want to delete them all, click on the icon on the left of the column title “Program Name” (this selects all the Programs), and click on the button on the top of the Programs list.
  • Page 48 IQOYA *SERV/LINK user manual Parameter Type Description Name Read/Write Name given to this IP service Encapsulation Read/Write None: The IP Service includes one Program, and audio data are not encapsulated (raw mode). MPEG-TS MPTS: The IP Service includes several Programs which are...
  • Page 49 In case the target IP address is multicast, select the Eth interface or the VLAN. Audio stream: Local source Read/Write Local UDP port number of IQOYA *SERV/LINK port (for RTP or UDP) Audio stream: DSCP Read/Write Select the quality of service (QoS) class of the stream.
  • Page 50 IQOYA *SERV/LINK user manual G7xx), and 256 frames for framed audio formats (MPEG, AAC). In MPEG Layer 2 48 kHz, this corresponds to 6 seconds (6 000 000 microseconds). In-band format signalling Yes/No Yes​ : the description of the audio format is inserted in the IP audio stream so that the decoder can automatically adapt to the received format.
  • Page 51 IQOYA *SERV/LINK user manual FEC on 1 stream means that additional data are sent in the IP audio stream (in-band). FEC on 2 streams means additional data are sent as a second IP stream. Dual stream FEC mean that the IP steam is duplicated.
  • Page 52 In case the target IP address is multicast, select the Eth interface or the VLAN. FEC stream: Local source Read/Write Local UDP port number of IQOYA *SERV/LINK port FEC stream: DSCP Read/Write Select the quality of service (QoS) class of the FEC stream.
  • Page 53 IQOYA *SERV/LINK user manual...
  • Page 54 IQOYA *SERV/LINK user manual Encapsulation = MPEG-TS SPTS Program : Name Read/Write Select the Program to be streamed from the list of unused Programs. Program: Number Read/Write Enter the program number (1 to 65535) Program: PID (PMT) Read/Write Enter the Program Map Table PID (16 to 8190)
  • Page 55 In case the target IP address is multicast, select the Eth interface or the VLAN. Audio stream: Local source Read/Write Local UDP port number of IQOYA *SERV/LINK port Audio stream: DSCP Read/Write Select the quality of service (QoS) class of the stream.
  • Page 56 IQOYA *SERV/LINK user manual Encapsulation = MPEG-TS MPTS Programs : Name Read/Write Select the Program to be streamed from the list of unused Programs. Programs: Number Read/Write Enter the program number (1 to 65535) Programs: PID (PMT) Read/Write Enter the Program Map Table PID (16 to 8190)
  • Page 57 In case the target IP address is multicast, select the Eth interface or the VLAN. Audio stream: Local source Read/Write Local UDP port number of IQOYA *SERV/LINK port Audio stream: DSCP Read/Write Select the quality of service (QoS) class of the stream.
  • Page 58 IQOYA *SERV/LINK user manual 9.4. “Receive” category of menus This category allows defining the IP services to be received by IQOYA, and the audio programs to be played to the outputs of IQOYA; three decoding priorities can be defined per audio program.
  • Page 59 IQOYA *SERV/LINK user manual In case HTTP is selected for the transport protocol, the following parameters are displayed. Parameter Type Description IP service name Read/Write Name given to this IP service. This is the name that can be selected in the source of a decoding priority of an output program.
  • Page 60 IQOYA *SERV/LINK user manual Audio stream: Jitter Read/Write Enter the input buffering size to compensate the jitter of the network. This (for RTP and UDP) value, expressed in ms, must be at least equal to the measured jitter. In case there is FEC, it is necessary to consider the measured jitter for “primary and FEC stream”.
  • Page 61 IQOYA *SERV/LINK user manual FEC stream parameters Type Description Type Read/Write Select the FEC that is configured on the encoder of the received IP stream. Payload type Read/Write Enter the same FEC payload type that is configured on the encoder of the received IP stream.
  • Page 62 IQOYA *SERV/LINK user manual The “Programs” page displays the declared output programs. To declared a new output program, click on , or create it from an existing one by selecting the icon on the left of this latter. Parameter Type...
  • Page 63 IQOYA *SERV/LINK user manual Note that it is necessary to select an audio output that is not assigned to another program (an error is displayed) Audio outputs: First audio Read/Write Select the first audio bus channel associated to this program.
  • Page 64 IQOYA *SERV/LINK user manual Digital Level (dB) Read/Write Digital gain applied to the audio samples on this priority. Serial data destination Read/Write In case serial data are tunneled in-band, select the COM port to output them. COM ports are available if the RS232 ports hardware option is present.
  • Page 65 IQOYA *SERV/LINK user manual Type Read/Write IP Service Service Read/Write Select the IP service from the list of declared IP services. (IP services must have been declared first from the IP Services page). Disabled Read/Write Set this parameter to “Yes” to disable this decoding priority.
  • Page 66 IQOYA *SERV/LINK user manual Once output programs have been defined, they are listed in the “Programs” page. To view the content of a program, click on on the left of its name. The decoding priorities of the program are displayed as well as some associated information: ●...
  • Page 67 IQOYA *SERV/LINK user manual ● Metrics/view: Click on ​ v iew ​ t o display the metrics of the IP service. These metrics are important characteristics of the network path. In case an FEC is used, metrics are available for both the primary stream and the FEC stream.
  • Page 68 IQOYA *SERV/LINK user manual If no FEC stream is received, this value defines the minimum jitter to be configured in Receive->IP Services (it includes the primary stream and the FEC stream). On unmanaged networks, we recommend to configure a higher value as the jitter may evolve and reach higher values.
  • Page 69 (Receive). 10. Managing sound files and playlists via FTP Local sound files and playlists can be uploaded and removed via FTP. Connect to IQOYA *SERV/LINK via an FTP software application. Login is as follows: ● username: ftp ● password: iqoya...

  • Page 70: Specifications

    IQOYA *SERV/LINK user manual 11. Specifications Audio I/Os specifications for Analog & AES/EBU versions 11.1.1. CONFIGURATION Dimensions 19”, 1RU, 43.9 cm depth Weight 7.9 kg Power supply 2 hot swappable redundant PSU 90-264VAC Optionally, 2 hot swappable redundant PSU -48VDC Temperature Operating 0°C 50°C, Storage -20°C TO 70°C...
  • Page 71 IQOYA *SERV/LINK user manual 11.1.3. ANALOG INPUTS Type Balanced A/D converter resolution 24 bits Maximum input level/ impedance +24 dBu/ >10 kΩ Adjustable input gain from –94.5dB à +24 dB 11.1.4. ANALOG OUTPUTS Type Balanced D/A converter resolution 24 bits Maximum input level/ impedance +24 dBu/ <100 Ω...
  • Page 72 IQOYA *SERV/LINK user manual 10.1.9. ANALOG AUDIO PERFORMANCES Dynamic range (A-weighted) Analog In: >104 dB / Analog Out: >106 dB THD + noise 1 kHz at –1 dBfs Analog In: <–97 dB / Analog Out: <–96 dB Channel phase difference: 20/20kHz 0.2°...

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