sound4 STREAM X User manual

MAINTENANCE AND OPERATION
INSTRUCTION MANUAL
Publish Date: 11-Mar-2020
SOUND4
STREAM X
3-Band Streaming Processor
2/4/8 channels

Contents
Introduction........................................................................................................................................ 6
Statement of Discordancy.................................................................................................................. 7
Typographic conventions .................................................................................................................. 7
General Information.......................................................................................................................... 8
Overview ......................................................................................................................................... 8
Much more than a simple Compressor....................................................................................... 8
The First Solution of its Kind ..................................................................................................... 8
Advanced Coding Solution ......................................................................................................... 8
Advanced Metadata Management .............................................................................................. 9
Preset Sharing... ......................................................................................................................... 9
A hyper user-friendly control interface... ................................................................................... 9
Processing ....................................................................................................................................... 9
Wide Band AGC.......................................................................................................................... 9
Tone FX....................................................................................................................................... 9
Stereo FX .................................................................................................................................. 10
The 3-Band Process.................................................................................................................. 10
4-Band Limeter......................................................................................................................... 10
The Brick Wall Limiter.............................................................................................................. 10
Technical Specications ................................................................................................................ 11
Before you start ................................................................................................................................ 12
Safety warning............................................................................................................................... 12
Operating recommendations ......................................................................................................... 12
Unpacking and inspection............................................................................................................. 12
Install the SOUND4 PCI express card........................................................................................... 13
Rear Panel......................................................................................................................................... 14
Operation ......................................................................................................................................... 15
User Accounts Overview ............................................................................................................... 15
Software Installation ..................................................................................................................... 16
Windows users ......................................................................................................................... 16
Linux Ubuntu OS ..................................................................................................................... 16
Connection .................................................................................................................................... 17
Software......................................................................................................................................... 18
Network scan for new device.................................................................................................... 18
Add Device manually................................................................................................................ 20
Basic set-up.......................................................................................................................... 21
Inputs Setup ......................................................................................................................... 21
Outputs Setup....................................................................................................................... 21
Preset Selection.................................................................................................................... 22
Software Accounts Overview and Settings .................................................................................... 23
Supervisor Account ....................................................................................................................... 23
Window controls ....................................................................................................................... 23
Admin Account .............................................................................................................................. 24
Main menu and controls........................................................................................................... 25
Settings – General .................................................................................................................... 26
Processor name ................................................................................................................... 26

Display................................................................................................................................. 26
Application Auto Exit........................................................................................................... 26
Settings – Users ........................................................................................................................ 27
How to change or assign a new password........................................................................... 28
How to add a new account................................................................................................... 29
Settings – Ethernet: Livewire+/AES67..................................................................................... 30
Settings – GPIO........................................................................................................................ 31
Settings – Synchro .................................................................................................................... 32
Settings – Preset Sharing.......................................................................................................... 33
Advanced .................................................................................................................................. 34
Advanced – Livewire+/AES67 Advertisement.......................................................................... 34
Advanced – Livewire+/AES67 Audio Proles.......................................................................... 35
Advanced – Livewire+/AES67 Audio QOS............................................................................... 36
Advanced – Upgrade/Licenses ................................................................................................. 38
Expired license..................................................................................................................... 38
New license .......................................................................................................................... 39
Advanced – Backup/Restore ..................................................................................................... 40
Maintenance ............................................................................................................................. 41
Audio Processing Controls............................................................................................................ 42
Main menu and controls........................................................................................................... 42
How a new preset can be created ............................................................................................. 44
Preset Security ..................................................................................................................... 46
Preset Export ....................................................................................................................... 48
Presets Import...................................................................................................................... 48
Presets Delete ...................................................................................................................... 48
Processing ................................................................................................................................ 49
Wide-band AGC ................................................................................................................... 50
Tone-FX................................................................................................................................ 50
Stereo FX ............................................................................................................................. 51
Basic 3-Band Process .......................................................................................................... 52
Advanced 3-Band Process ................................................................................................... 52
4-Band Limiter (Basic) ........................................................................................................ 53
4-Band Limiter (Advanced) ................................................................................................. 53
Brick Wall Limiter................................................................................................................ 53
Streaming Encoding ...................................................................................................................... 54
Settings – General .................................................................................................................... 56
Processor Name ................................................................................................................... 56
Display................................................................................................................................. 56
Application Auto Exit........................................................................................................... 56
Preset security...................................................................................................................... 56
Process Autolock.................................................................................................................. 56
Settings – Users ........................................................................................................................ 57
How to change or assign a new password........................................................................... 57
Settings - Inputs ........................................................................................................................ 58
Settings – Livewire+/AES67 Inputs.......................................................................................... 59
Settings – Livewire+/AES67 Outputs ....................................................................................... 60
Settings – GPIO........................................................................................................................ 61

Advanced – Upgrade/Licenses ................................................................................................. 62
Expired license..................................................................................................................... 62
New license .......................................................................................................................... 63
Advanced – Maintenance ......................................................................................................... 64
WARRANTY TERMS AND CONDITIONS................................................................................. 65
Product Registration Card.............................................................................................................. 66

THIS PAGE
IS INTENTIONALLY
LEFT BLANK

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Introduction
More than 30 Years of Experience
Delivering the best at all times is not an easy task but the team of SOUND4 makes it seem
effortless thanks to over 30 solid years of experience in the eld. What we excel at, above
everything else, is audio signal processing. Launched back in 2007, SOUND4 began with analog
technologies and went on to achieve groundbreaking results in the digital world as well, having an
instant impact on the market with a string of innovative products. The launch of a set of FM/HD
processing tools was quickly followed by the release of networking audio-over-IP solutions.
2010 was signicant in the company’s illustrious history as SOUND4’s very rst multichannel
voice processor was introduced on the market and the company integrated the Livewire Audio
IP standard, which most of our equipment today is compatible with. This revolutionary product
immediately received the acknowledgement of the industry in the form of two prestigious prizes –
The 2010 Innovation Trophy in Paris and the Pick Hit Award at the 2012 NAB Show in Las Vegas.
Further recognition came in 2012 with the release of our Web Radio product range which received
a Cool Stuff Award upon its presentation at NAB 2012.
Today, SOUND4 is a household name in the competitive, fast-developing world of broadcasting
technology and enjoys a deserved reputation for proven quality and reliable service.
The SOUND4 – DEVA Partnership
2016 was a landmark year as two of the most respected companies in the industry – SOUND4 and
DEVA Broadcast, joined forces, forming a powerhouse team dedicated to delivering broadcasting
excellence. Adding to the equation its own expertise and years of experience at the top level,
DEVA brings to the table its considerable resources and knowledge of hardware development to
ensure unparalleled quality of the nished product.
A Wealth of Engineering Talent
What our merchandise owes its massive appeal to is the creativity of a highly-skilled team
of engineers responsible for bringing bright, fresh ideas to life through vast know-how in their
respective elds. We pride ourselves on not allowing any compromises with quality and laying
great emphasis on ne-tuning each detail, which we believe is the key to the overwhelming success
of our products.
What SOUND4 Guarantees
Besides a combination of creativity and technical expertise, SOUND4 also relies heavily on
versatility. Products are developed to serve multiple purposes and offer a number of functions for
even better performance. The company provides solutions that are cost-effective, reliable, fully
upgradable and very compact in terms of design. Another important advantage is heat reduction,
as well as the intelligent interconnection with the rest of the chain, especially where music
programming is concerned.
Perfect Sound Quality
Perfect clarity of sound is the signature asset of our products and the reason why SOUND4
today stands for unrivalled audio quality. This is a brand that is recognizable all over the world for
affordable excellence, dependability and constant innovation.
Reliable Technical Support
As we appreciate the importance of each product’s awless operation, we guarantee dependable
technical support by a team of engineers whose job it is to answer all your questions, provide you
with detailed information on device features and capabilities, and guide you through using our
products to your best advantage. Expert advice is there for you whenever you need it.

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Statement of Discordancy
SOUND4 Ltd. reserves the right to make improvements or changes in the products described
in this manual which may affect the product specications, or to revise the manual without notice.
The operation of SOUND4 products is determined largely by software. We routinely release
new versions to add features and x bugs. Check the www.sound4.com web site for the latest
information available.
Typographic conventions
This manual uses the following typographic conventions:
Style Used for
NOTE Important notes and recommendations
Example Used when example text is cited
“Menu” on page XX. References
[OK] Interface Interactive buttons.
Settings Menu paths are represented as follows: Settings> General> Backup

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General Information
OVERVIEW
Much more than a simple Compressor
SOUND4 STREAM X is a high-end Webradio Processing & Encoding product which allows
for the simultaneous and independent processing of four radio streams on a single PCI express card.
The streaming engine can provide 6 streams per channel for an impressive total of 24 streams, with
each stream using the latest codecs generation (AAC, HE-AAC, HE-AAC v.2, as well as MP3).
SOUND4 STREAM X is characterized by sophisticated 3-band processing, where a single
S.I.S. (Sound Impact System) algorithm guarantees the gain in each of the bands to ensure complete
sound stability. “Coloring” is controlled by the Fidelity parameter, thanks to which sound texture
can be either “purist” or “colored”. The Automatic Gain Control operates in broad band and its main
purpose is to reduce gaps in levels applied to the processor, while the Tone FX feature combines
a 4-band parametric Equalizer and an effect system that makes it possible to strengthen both high
and low frequencies. SOUND4 STREAM X has a 100% mono-compatible stereo enhancer and a
Brick Wall Limiter providing solid gain limitation. Another important feature of this product is the
sound optimizer for very low encoding rates (16 kbps, 24 kbps, 32kbps). The adaptive processing
can correct each stream independently in order to compensate for the sound difference due to
encoding. Thus, a radio station can easily generate different streams that suit the targeted audience
- low-rate for mobile phones or high-rate for home devices.
The First Solution of its Kind
SOUND4 is delighted to bring to the attention of our customers a solution the likes of which
have so far never been introduced to the broadcasting market. The SOUND4 STREAM X is the
very rst multi-channel AoIP processor dedicated to WebRadio bouquets. It has the capability of
simultaneously and independently processing a total of up to eight program streams on a single
PCI express card.
The SOUND4 STREAM X offers up to 8 inputs and 8 outputs through Audio Driver (WDM/
Direct Sound) and/or AES67/Livewire+. The streaming engine can provide 6 streams per channel
for an unparalleled total of up to 48 streams. Each stream is set on the latest codecs generation
(AAC, HE-AAC, HEAACv2 , as well as MP3 and more).
Advanced Coding Solution
In terms of encoding, the SOUND4 STREAM X offers a complete and innovative solution.
The SOUND4 STREAM X has a high quality encoding engine that suits every IP audio device
prole. Indeed, it is the rst processor that includes adaptive sound optimizer for very low encoding
rates (16 kbps, 24 kbps, 32kbps).
Another clever bit of SOUND4 STREAM X innovation is the adaptive processing which can
correct each stream independently in order to compensate for the sound difference due to encoding.
Thus, a radio station can easily generate different streams that suit the targeted audience, low-rate
for mobile phones, high-rate for home devices, with homogeneous sound whatever the encoder
used.
Finally, the SOUND4 STREAM X adapts to most of the standards used for streaming delivery
systems - Wowza, Icecast 2, Shoutcast v1 & v2, etc as well as HLS.

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Advanced Metadata Management
In terms of Metadata, the SOUND4 STREAM X is compatible with different standard formats
and can interface with many types of automation software thanks to an open XML-based gateway
(A2I, BE, BSI, Enco, Jazler, Netia, NextGen, RCS, Winmedia).
Preset Sharing...
SOUND4 STREAM X Preset Sharing function, another SOUND4 invention, offers the ability
to automatically share presets with other STREAM X across the network. Presets modied in
one board are instantly updated in all other boards. This saves a considerable amount of time and
ensures your carefully tuned sound stays consistent no matter which processor is in use.
A hyper user-friendly control interface...
• Two GUI types: Administrator is dedicated for sound setup and Supervisor is a very
simplied one for monitoring streams.
• Setting of sound from one single screen! No more opening and closing of windows for
going from one function to another.
• In Administrator GUI, two level modes: BASIC where everything is simple and rapid,
ADVANCED for exploring all the processor functionalities.
• Ultra-fast vu meter for true control.
• Unlimited “Undo/Redo” versioning function for presets with possibility of recall.
• Innovative “compare” function with reference notion.
• Log function for presets.
• A remote connection manager to control several processors.
• Works on Windows 7, 8, 10, Windows Server 2016, Windows Server 2019 (excluding Core
editions), Linux (Debian).
PROCESSING
Wide Band AGC
One of the main processing functions of the SOUND4 STREAM X is the Wide Band AGC -
automatic gain control, operating in broad band. Its main purpose is to “even out” gaps of levels
in terms of processing.
The algorithm which was especially developed for this AGC is of the predictive type. It allows
very high sound variations without any sort of pumping. Compared with other processors, control
of the input gain is greatly facilitated.
Tone FX
The Tone FX makes colouring of sound before dynamic processing possible. To do so, it groups
together two types of processing functions:
• A 4-band parametric equalizer;
• An effect system making it possible to strengthen low frequencies and high frequencies.
The two functions offer results that are entirely different, which is why they are gathered on one
single screen.
In Basic mode, use of the four parametric equalizers is simplied to the maximum. Only the
gain for each correction is accessible. For FX Bass and FX Treble, dosage of the effect is also made
accessible.
In Advanced mode, users have access to all equalizer parameters (gain, frequency and Q factor).

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Stereo FX
SOUND4 STREAM X has a true stereo enhancer, 100% mono-compatible. Its role is to
sublimate the existing stereo image. It will thus never create stereo in mono sources.
The 3-Band Process...
The 3-band Process is the heart of dynamic processing. The SOUND4 STREAM X algorithm
guarantees the gain in each of the bands in order to complete sound stabilization. “Colouring”
is controlled by the delity parameter. Thus, it is possible to have a purist and a coloured sound
texture.
The 3-band Process is achieved through the revolutionary algorithm S.I.S. (Sound Impact
System), which makes it possible to maintain the authenticity of the original sound attacks.
The 3-band Process is extremely powerful and capable of absorbing very high variations of
sound on its own, which is why it is not always necessary for the input AGC to operate.
4-Band Limeter
The main purpose of the 4-band Limiter is to prepare the work of the nal limiter. It is also
provided with a very powerful predictive algorithm, which has been simplied to the maximum,
so that it is not encumbered with useless parameters.
The Brick Wall Limiter...
The Brick Wall Limiter is an advanced algorithm which provides a strong and rock solid gain
limitation guaranteeing that there are no overs and no clipping.

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TECHNICAL SPECIFICATIONS
AUDIO OVER IP INPUTS/OUTPUTS
Interface Ethernet 100Mbps
AoIP/AES67 compatibility Compatible with Ravenna, Livewire, Dante AES67;
48kHz, 24 bits, 12 samples/packet (250µs)
Quantity X2 – 2 channels, X4 – 4 channels, x8 – 8 channels
AUDIO SPECIFICATIONS
I/O Latency Processing Delay approx. 3 to 4ms
I/O Latency AoIP/AES67 <2ms (input) / 0,5ms (output)
FORM FACTOR
Bus Type PCI Express 1X
OPERATING CONDITIONS
Operational between 0 – 50°C
SIZE AND WEIGHT
Dimensions (WxHxD) 190 x 21 x 106 mm (without connectors)
Shipping Weight 230 x 54 x 172 mm / 0.420 kg
POWER UP BOOT
Board start up time 3s
SOUND4 REMOTE CONTROL SOFTWARE OPERATING SYSTEMS
Linux Debian 32 & 64 bits
Microsoft Windows 32 & 64 bits: Windows 7, Windows 8, Windows 10, Windows
Server 2008 R2, Windows Server 2012, Windows Server 2019
(except Core edition)
PC TO CLIENT COMMUNICATION INTERFACE AND REMOTE CONTROL
TCP/IP Client (Remote) / Server (PC) architecture.
Link & Share All parameters are accessible via simple Telnet protocol

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Before you start
SAFETY WARNING
• The servicing of electronic equipment should be performed only by qualied personnel;
• When the PC is open, the power supply capacitors should be discharged using a suitable resistor;
• Never touch the wires or the electrical circuits;
• Use insulated tools only;
• Never touch the metal semiconductor. They might carry high voltages;
• For removing and installing electronic components, follow the recommendations for handling
MOS components
OPERATING RECOMMENDATIONS
For the normal operation of SOUND4 STREAM X, we recommend following the instructions
listed below.
• Install the PCIe card and the host PC in places with good air conditioning. The
SOUND4 STREAM X is designed to operate within the ambient temperature range of 10 to
50°C. The equipment rack should be ventilated in order for the device to keep its internal
temperature below the maximum ambient temperatures;
• We do not recommend installation in rooms with high humidity, dusty places or other aggressive
conditions;
• Locate the host PC away from abnormally high RF elds;
• Use only checked power supply cables. We strongly recommend the usage of shielded cables;
• Connect the host PC only to reliable power supply sources. In case of unstable power source,
please use Uninterruptible Power Supply (UPS);
• Use the PC only with its top cover on to avoid electromagnetic anomalies. Otherwise, this may
cause problems with the normal functionality of the card;
• For the normal remote operation of the card, connect SOUND4 STREAM X to a good quality
network connection;
• For the normal operation of SOUND4 STREAM X, check if the network settings passing
through all the required data trafc.
UNPACKING AND INSPECTION
Upon receipt, the equipment should be inspected for possible shipping damages. If such are
found or suspected, notify the carrier at once and contact SOUND4 Ltd. The original shipping
carton box and packing materials should be kept for possible reuse, in case of return for Warranty
repair, for example. Shipping damages as a result of improper packing for return may invalidate
the Warranty!
IT IS VERY IMPORTANT that the “Product Registration Card” included in the Manual be
completed accurately and returned. This will assure coverage of the terms of the Warranty and
it will provide a means of trace in case of lost or stolen equipment. In addition, the user will
automatically receive SERVICE OR MODIFICATION INSTRUCTIONS from SOUND4 Ltd.
The SOUND4 STREAM X set includes:
1. SOUND4 STREAM X PCI Express card;
2. Pouch with documents – Declaration of Conformity and Approval Information, Warranty
terms and conditions, Product registration card, Waste form.

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Install the SOUND4 PCI express card
Please make sure your PC is turned off. Please make sure to discharge any static electricity
before the procedure, or wear static protection bracelet.
Take your new SOUND4 card out of the box, open your computer and insert the card into
available PCI express slot. The card can be plugged into a full height PCI express slot type x1, x4,
x8, x16.
Please use screws or fasteners to ensure that the card is held rmly in place.
Close your PC and power it on.
On startup, Windows OS will automatically detect the new card. If message will appear, asking
you if you want Windows to look for the drivers, then click “Cancel” since the drivers will be
installed in the next steps.

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Rear Panel
1
1. AES67 Ethernet T-BASE10/100 RJ45 Port

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Operation
The SOUND4 STREAM X can be operated via the provided free of charge Software.
NOTE: The Software screenshots used for the purposes of this manual, unless clearly indicated,
are from SOUND4 STREAM X8.
USER ACCOUNTS OVERVIEW
The SOUND4 STREAM X provides you with two types of access levels for the software. Each
has a different purpose and if you do not use the correct one, the controls that you are looking for
might not be available.
Administrator – This account provides you with access to the all of the conguration options
- Inputs and Outputs conguring, processing settings and preset management. User name: admin,
password: admin;
Supervisor – This type of access is ideal for granting the operators access to monitoring the
input and output audio streams. User name: supervisor, password: n/a (leave the eld blank).

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SOFTWARE INSTALLATION
Installation packages for MS Windows and Linux Ubuntu OS are available.
Windows users
The Universal Products Installer is the installation kit for all SOUND4 Products, additionally it
is necessary to download Stream Extension, in order to add necessary encoders to the system.. The
programs are provided free of charge and can be downloaded from
http://www.sound4.com/stream-x8-card#downloads
Upon entering the section, click on and download Universal All Products Installer. Once the
process is completed install the .exe le. SOUND4’s products are compatible with the Microsoft
Windows Operating Systems listed below:
• Windows 7 - 32 & 64 bits
• Windows 8 - 32 & 64 bits
• Windows 10 - 32 & 64 bits
• Windows Server 2008 - R2
• Windows Server 2012
• Windows Server 2019 (except Core version)
IMPORTANT NOTE: Due to Microsoft security changes, your operating system must be up-
to-date, if not SOUND4 Driver will be disabled by Operating System and you will be not able to
run the SOUND4 Remote Control Software.
Linux Ubuntu OS
SOUND4 proposes you to install the software package under your own Ubuntu. Compatibility
with Ubuntu distributions:
• Lucid Lynx - 10.04 LTS
• Precise Pangolin - 12.04 LTS
• Trusty Tahr - 14.04 LTS
• Xenial Xerus - 16.04 LTS
• Bionic Beaver - 18.04 LTS
Installation For a PC running compatible Ubuntu version:
Click on the following link to add SOUND4 repository:
www.sound4.biz/repository/ubuntu/sound4-repository.deb
If you also want to install:
- Install the driver with following link: apt://sound4exp1?refresh=yes
- Install the SOUND4 server with following link: apt://sound4server
- Install the SOUND4 Stream, with following link - apt://sound4stream
- And to install SOUND4 Remote Control, please use the following link: apt://sound4remote
If you prefer to manage package installation by yourself, please follow the instructions below:
1. Add the following source to your Ubuntu repository list (example for lucid):
deb http://www.sound4.biz/repository/ubuntu lucid non-free
2. Then get the SOUND4 GPG signature key:
wget -q http://www.sound4.biz/repository/sound4.gpg -O- | sudo apt-key add -
3. Install required packages:
sudo apt-get update && sudo apt-get install sound4exp1 sound4server sound4remote
sound4stream
4. Add the user to the audio group (needed for Alarm Stacker GUI):
sudo adduser $USER audio
5. Log off and on to make the settings effective.

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CONNECTION
As explained, for the initial set-up of the device you will only need to connect:
– Connect SOUND4 STREAM X to the TCP/IP network using a direct network cable, connected
to the AES67 port of the board.
1

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SOFTWARE
Network scan for new device
Double click on the software will open the main control window. The Remote control software
can maintain several devices at once.
1. Press the [Scan] button;
2. A window with all network interfaces on the PC will appear. Select the IP address (the
interface) on which the scan should be made, and press [Run Scan];
3. Wait until the scan is completed;

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4. Upon completion, the Add Custom Network message will appear;
5. To add the device to the list, select the connection and press [OK];
6. The device will be added automatically. To change the device’s settings, double click on the
admin version will open the control interface. The default access credentials are user name:
admin and password: admin and press [OK].

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Add Device manually
1. Press the [New] button.
2. A new screen requiring the following information will appear:
3. Enter the required information. If not changed by the user, use the default value of the Port
(3001). The username and password are as follows:
- User name: admin;
- Password: admin.
4. Press [OK]. All device operation options will be added. To change the device’s settings,
double click on the admin version will open the control interface. The user credentials are
as follows - username: admin, default password: admin and press OK to enter the device.