Sony SRG-A40 User manual

Version 1.0

Technical Guide | SRG-A40/SRG-A12

SRT introduction

Sony Version 1.0

Technical Guide | SRG-A40/SRG-A12 SRT introduction

CONTENTS

CONTENTS ............................................................................................... 1

1. Overview............................................................................................. 2

2. Flowchart............................................................................................ 3

3. Pre-configuration Settings................................................................ 4

3.1. Set IP address by using the RM-IP Setup Tool ........................................4

3.2. Setting the initial password ......................................................................4

3.3. Camera’s Video Codec Setting ................................................................4

3.4. Audio setting ............................................................................................5

3.5. SRT Setting ..............................................................................................6

4. Troubleshooting............................................................................... 13

5. Appendix .......................................................................................... 14

5.1. How to start/stop SRT transmission when the camera is set as the Caller

Revision History..................................................................................... 17

Sony Version 1.0

Technical Guide | SRG-A40/SRG-A12 SRT introduction

1. Overview

This document explains typical procedures and tips for the SRT connectivity when using Sony

Color Video Camera SRG-A40/SRG-A12. Hereinafter, it is called as “the camera”.

Services and software provided by other companies

・Separate terms and conditions of use may be applied.

・Provision of services and software updates may be interrupted or terminated without notice.

・Services and software content are subject to change without notice.

・Separate registration and/or payment may be required.

Please note that Sony Corporation is not responsible for any claim, from customers or third

parties, arising from any use of services and software provided by other companies

Sony Version 1.0

Technical Guide | SRG-A40/SRG-A12 SRT introduction

2. Flowchart

The following flowchart shows an outline of the procedure for enabling the SRT connectivity

function of the camera described in the next chapter.

*Please refer to the manual of devices/apps to be connected.

Sony Version 1.0

Technical Guide | SRG-A40/SRG-A12 SRT introduction

3. Pre-configuration Settings

This chapter describes some pre-configuration settings you will need before activating the SRT

function for the camera.

3.1. Set IP address by using the RM-IP Setup Tool

For IP communication, appropriate IP address needs to be set to the camera. You can use RM-IP

Setup Tool to assign IP address to the camera. Please refer to the RM-IP Setup Tool Guide for more

details.

[Note] DHCP setting cannot be enabled from the RM-IP Setup Tool.

3.2. Setting the initial password

Following the Operation Instruction, initial password setting is necessary to enable HTTP access of

the camera etc..

You can refer to the following section in the Operation Instuction of the camera.

[Accessing the Camera from a Web Browser] > [Setting the Initial Password]

3.3. Camera’s Video Codec Setting

For SRT function, the Video Stream 1 channel is only available for SRT streaming. Only [H.264]

can be selected as Codec 1 setting.

Sony Version 1.0

Technical Guide | SRG-A40/SRG-A12 SRT introduction

3.4. Audio setting

Please configure audio setting in [Stream] > [Audio Stream] tab in Web App Menu accordingly.

Sony Version 1.0

Technical Guide | SRG-A40/SRG-A12 SRT introduction

3.5. SRT Setting

Before starting SRT transmission, port number to be used and whether the camera is set to Caller

mode or Listener mode needs to be determined.

Caller means that the camera initiates the transmission, while Listener means that the camera waits

for it.

Whether it is Caller or Listener has nothing to do with whether it transmits data (audio/video) and

vice versa. In order to have correct SRT setting, one side has to be set as Caller mode, while the

other side is to be set as Listener mode.

In general, a device or an app inside a firewall is to be set as the Caller and a device or an app having

global IP address, such as a server equipment, is to be set as the Listener.

Both the Caller mode and the Listener mode are supported by the camera. If the camera is set as the

Caller, set the destination device/app as the Listener. If the camera is set as the Listener, set the

Sony Version 1.0

Technical Guide | SRG-A40/SRG-A12 SRT introduction

destination device/app as the Caller.

Some device might support either the Caller or the Listener only. In that case, set the camera’s mode

properly to establish the connection.

Please refer to the manual of a device or an app to be connected as well.

Regarding the SRT connection environment, please refer to the information announced from SRT

Alliance below.

https://www.srtalliance.org/srt-deployment-guide/

Sony Version 1.0

Technical Guide | SRG-A40/SRG-A12 SRT introduction

3.5.1. When setting camera as the Caller

Open [Stream] > [Stream] tab of the Web App Menu, and select [SRT-Caller] in [Stream Setting] >

[Setting].

Set the prefix letters of “srt://” followed by a destination IP address to connect to and [:] followed

by the port number in [SRT] > [URL]. Press [OK] to complete the setting.

Sony Version 1.0

Technical Guide | SRG-A40/SRG-A12 SRT introduction

3.5.2. When setting camera as the Listener

Open [Stream] > [Stream] tab of the Web App Menu and select [SRT-Listener] in [Stream Setting]

> [Setting].

Set the port number of the camera in [SRT] > [Port Number]. Press [OK] to complete the setting.

3.5.3. Setting of Latency and TTL

Set [Latency] and [TTL] upon the transmission environment.

It is recommended to set enough latency according to RTT from the camera to the destination

measured in advance.

For the recommended setting value, please refer to the information announced from SRT Alliance

below.

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