Marshall Amplification VSC-100 Bedienungsanleitung

Broadcast A/V Division

User Manual

V S C -10 0

HDMI to USB 3.0 AV Consolidator Bridge

VSC-100 Manual

www.marshall-usa.com1 2

Table of Contents

8. Operations - Rear Panel Switches

4. System Requirements

2. Features

10. Speciﬁcations

11. Block Diagram

Warranty

6. Rear Panel Features

1. Introduction

9. Operations - Front Panel Gain Controls

12. Tips and Fixes

5. Front Panel Features

3. Package Contents

7. Quick Start

END

1. Introduction

2. Features

3. Package Contents

4. System Requirements

The Marshall VSC-100 AV Consolidator Bridge is a professional integration tool for effortlessly

combining HDMI video with high-ﬁdelity audio input for use with modern PC-based systems.

A single USB connection is all that is required for UCC applications, conferencing, video production,

and recording. UVC protocol support allows the application to control video format, frame rate, and

other settings independent of the original source format. In addition, HDMI audio can be extracted

and routed to headphones or ampliﬁed speakers.

Select either one of two HDMI video sources with the push of a button. Active loop-through outputs

keep sources available for other purposes such as feeding monitors, recorders, etc. External audio

may be routed to the USB output or both the USB and HDMI outputs.

The VSC-100 becomes fully functional within seconds after it is powered.

• (2) HDMI 2.0 Inputs with active loop-through dual output

• Independent audio gain controls for dual audio input sources

• USB 3.0 computer interface with UVC control and scaling

• Plug-and-Play. Driver installation not required for most applications

• Compatible with popular applications such as: Zoom, Skype, OBS Studio and many more.

• (1) VSC-100 Unit

• (1) USB 3.0 Type A-to-B Cable

• (1) 12-volt universal power supply (120 – 240volts, 50/60 Hz)

• Host computer with recent operating system, preferably Windows 10 or Mac OS X

• Available USB 3.0 port (supports up to 1080p60 to host computer) or,

• Available USB 2.0 port (supports up to 720p60 to host computer)

VSC-100 Manual

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6. Rear Panel Features

5. Front Panel Features

1 2 3 4 5 6 7 8 9 10 11 12

1. Power Indicator LED

2. HDMI Input Selector

3. Audio Gain Controls

4. USB 3.0 Output for Computer

5. USB 2.0 Convenience Pass-Through

6. Power Input Jack

7. RS-232 Firmware Update Port

8. HDMI Inputs and Outputs

9. USB 2.0 Convenience Pass-Through

10. Two Channel Balanced Audio Inputs

11. 3.4mm Stereo Line Output

12. Conﬁguration DIP Switches

VSC-100 Manual

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7. Quick Start 8. Operations - Rear Panel Switches

1. Computer should be powered and operating. Power the VSC-100 using the supplied power

adapter. Connect the VSC-100 to the host computer using the USB 3.0 cable provided. The ﬁrst

time the unit is used, please allow about one minute for the computer to identify the unit and

setup the drivers.

2. Open an application such as Zoom, Skype, OBS Studio, etc. and select the Video and Audio

devices. The VSC-100 adapter will identify itself as “MEI 3.0 Capture Device”. Depending on

the application used, the unit may appear in the application as a Camera or a Capture Device.

It should also appear as a stereo audio device.

3. Before an HDMI input is attached, a message similar to the one shown below will appear in

the application’s video preview window. (The Output format and frame rate may be different

depending on the application software).

4. Connect an HDMI video source and select the appropriate front panel Select button. The

computer on-screen message will change like the one below. This message will disappear after

about 8 seconds.

At this point, the VSC-100 is operating and ready to use as an HDMI to USB adapter. Control of the

USB 3.0 output format and frame rate depends on the capabilities of the software being used for

conferencing, recording, streaming, etc.

Note: Most conferencing applications will automatically set the USB output format to 720p. This

does not affect the HDMI loop through outputs, they will be the same as the selected input.

The VSC-100 can be conﬁgured for a variety of applications by setting the DIP switches located on

the back panel. These switches affect how audio is routed within the unit and can select between

the audio from the incoming HDMI video or external audio ampliﬁed by the built-in high-ﬁdelity

dual-channel preampliﬁer.

There are four switches arranged like this. They are shown in their factory default positions, all

down. In this arrangement, incoming audio from the video source will be passed to the USB and

analog outputs. The HDMI output audio is muted.

DIP SWITCH FUNCTIONS DOWN UP

Switch 1 HDMI / USB Audio from HDMI HDMI / USB Audio from Analog In

Switch 2 Line Output from HDMI Input Line Output from Analog In

Switch 3 HDMI Out Audio Muted HDMI Out Audio Unmuted

Switch 4 Normal Operation Firmware Update Mode

In this arrangement, all audio will be coming from the analog inputs. HDMI output audio is muted.

VSC-100 Manual

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In this example, incoming HDMI audio and video will be passed out to the HDMI and USB outputs.

The analog audio inputs will appear at the stereo output connector.

Two rotary knobs on the front panel control Gain for each analog input. These allow the VSC-100 to

work with audio sources ranging from very low output microphones (-40db reference) to “line level”

(-10db reference). For a given setup, these should be considered as “set and forget” controls. The

volume controls provided by the computer application should be used during normal operations.

Suggested knob starting position for different source types. Adjust the Gain control until a normal

level is achieved through the USB connection to the application in use. For example, Gain should

be turned down for line level sources like media players and turned up for low level sources like

dynamic microphones

HDMI Input and Output

• Conforms to HDMI 2.0 standard

• HDCP 1.4 and 2.2 compliant

• Supports Video Frame Rates from 23.98 to 60.00

• Supports Video Formats from 480i/p, 576i/p to 3840 x 2160 50/59/60

(4096 x 2160 signal accepted, some side cropping will occur)

USB 3.0 Output

• Up to 1080p60 with stereo audio, 16-bit @ 44.1KHz to computer

(Actual video format and frame rate dependent on UVC control commands received from the

host computer.)

Size and Weight

• 4 x 14 x 12 in / 101.6 x 355.6 x 304.8 mm

• 1 lbs / 0.454 Kg

Power requirements

• 12 Volts DC – Recommended to use only supplied 12v Power Adapter

9. Operations - Front Panel Gain Controls

10. Speciﬁcations

Line Level Electret Mic Dynamic Mic

VSC-100 Manual

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11. Block Diagram

Select

2 2

Audio Extract

HDMI Audio

Ext HDMI

Stereo Line Out

USB 2.0 Convenience Pass-Through

12 Volt DC

Input

HDMI OutHDMI In

Hi-Fi Preamp + Phantom Power

VSC-100 Functional Block Diagram

External

Audio In

Gain

Controls Drivers

External

Audio Ext HDMI

Audio Insert

USB

Process

USB 3.0 Out

(Video, Audio)

My computer says, “the USB device is not recognized” or “the device does not support the

required parameters”.

First, be sure to use the USB cable that was supplied with the VSC-100. If it becomes lost or

damaged, please replace it with a “USB 3.0 type A-to-B” cable which provides the power and

bandwidth necessary for proper operation of the unit. When in doubt, try another cable.

Next, a message similar to the one above can also occur when the VSC-100 is connected to a USB

2.0 connector. This can be ﬁxed by plugging into a USB 3.0 port on the host computer. USB 3.0

connections are usually identiﬁed by blue color inside the connector.

If only a USB 2.0 connection is available, lowering the source video format usually works. 720p is

a good choice.

The video source is 1080p50 (or 60) but the computer says the incoming video is different

(760p for example). Why isn’t it the same as the source?

The VSC-100 is compatible with the USB industry standard UVC control protocol. This allows the

host computer to adjust the format and frame rate independently from the incoming source. Many

applications have controls that allow changing these parameters. Video conferencing applications

typically do not have these controls and simply force the settings that work best. Please consult the

instructions that are provided with the application for more information.

The VSC-100 HDMI output is connected to a video recorder. The recorder is getting is a blank

picture.

OR……….

The HDMI output is connected to a video monitor and

the picture is perfect, but the picture on the computer

is black with the message “Input: HDCP Content”.

Can this be ﬁxed?

HDMI video contains a “copy protection” system called HDCP “High Bandwidth Digital Content

Protection”. The principle behind HDCP is that copyrighted content should be seen and heard but

not recorded or transmitted. What this boils down to is that material containing an HDCP “ﬂag”

will be visible only on display devices, in other words, monitors, projectors and television sets. A

common difﬁculty is that DVD players, Blue Ray players and set top boxes (cable and satellite)

normally force HDCP on even when the material being played is not copyrighted. Video cameras,

on the other hand, never use HDCP. Computer outputs may or may not use HDCP depending on

the material being output. For details on HDCP, please visit www.hdmi.org.

Note: SDI inputs do not have content protection.

12. Tips and Fixes

20608 Madrona Avenue, Torrance, CA 90503

Tel: (800) 800-6608 / (310) 333-0606 • Fax: 310-333-0688

www.marshall-usa.com

support@marshall-usa.com

Marshall Electronics warranties to the ﬁrst consumer that this device will, under normal use,

be free from defects in workmanship and materials, when received in its original container, for

a period of two years from the purchase date. This warranty is extended to the ﬁrst consumer

only, and proof of purchase is necessary to honor the warranty. If there is no proof of purchase

provided with a warranty claim, Marshall Electronics reserves the right not to honor the warranty

set forth above. Therefore, labor and parts may be charged to the consumer. This warranty

does not apply to the product exterior or cosmetics. Misuse, abnormal handling, alterations or

modiﬁcations in design or construction void this warranty. No sales personnel of the seller or

any other person is authorized to make any warranties other than those described above, or to

extend the duration of any warranties on behalf of Marshall Electronics, beyond the time period

described above.

Due to constant effort to improve products and product features, speciﬁcations may change

without notice.

Warranty

JR122717

I’m trying to use VLC to test the VSC-100 but the picture looks wrong and the video format

is incorrect as well.

To connect with VLC, follow these steps:

1. Select the MEDIA tab then select OPEN CAPTURE DEVICE

2. In the Window that appears, select MEI USB 3.0 CAPTURE DEVICE for the Video Device Name

and Audio Device Name then click on ADVANCED OPTIONS.

3. In the next window, change Aspect Ratio to 16:9

4. If you are connected using USB 3.0, type YUY2 for Video Input Chroma Format.

If you are connected using USB 2.0 type MJPG for Video Input Chroma Format.

Now click OK. The window will close.

5. Click Play at the bottom of the remaining window. The incoming video and audio will appear.

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