MPB731G HDMI Gaming Live Capture Device

external capture

HD Recording – Stream & Record Instantly

Product Features

USB 3.1 Gen1

Full HD 1080p

Hardware Acceleration

OBS

Multiple Software Access

MIC Input

Software

Made in Taiwan

Product Introduction

Product QA

File Download

Easily Record Gameplay on PC

MPB731G supports HDMI input, allowing seamless recording of HDMI output video on a PC.

Anyone can effortlessly capture high-quality video and images by connecting it between a computer and a gaming console.

※ First-time use requires driver and supported software installation.

※ Not compatible with USB hubs.

Supports Direct HDMI Output – Play While Recording with Zero Latency

MPB731G supports HDMI output, enabling game visuals to be displayed on a TV or monitor while recording. Even for games requiring precise timing, you can play and record without worrying about display lag.

※ The recording software preview on the PC screen may experience delays. We recommend playing via an HDMI-connected TV or monitor.

Supports OBS – Easily Set Up Picture-in-Picture Game Streaming

※ To enable picture-in-picture mode, an internal camera, microphone, or external webcam/microphone is required. (The camera must support UVC.)

Capture High-Quality Game Footage

MPB731G supports lossless HDMI video input, preserving the game’s original video quality.

For those concerned about storage space or upload bandwidth, UPMOST PVR software allows users to customize recording quality settings.

※ Direct recording to USB storage or network-attached storage (NAS) is not supported.

※ USB 2.0 connections are not supported.

USB 3.1 Gen1 High-Speed Transmission

With USB 3.1 Gen1, data transfer speeds reach up to 5Gbps, ensuring smooth 1080p high-quality video recording.

Full HD 1080p

Full HD 1080p at 60 FPS – Real-Time Preview & Recording

Effortlessly Record iPhone Screen

By using the UPF803C iPhone/iPad AV sharing cable (sold separately), you can record screens from iPhone, iPad, and iPod touch devices.

Easily capture high-quality smartphone app operations and game footage.

※ HDCP-protected content cannot be displayed or recorded.

Compatible with Third-Party Software

Supports any capture software that uses DirectShow/DirectSound development interfaces.

MPB731G is not only compatible with the included UPMOST PVR software but can also be used with third-party applications.

Supports Popular Streaming Platforms

Supports Multi-Instance

Allows multiple software programs to access MPB731G simultaneously.

Supports GPU Hardware Acceleration Architecture

Reduces system CPU load (requires a compatible GPU).

※ Must be used with UPMOST PVR software.

Includes UPMOST PVR Software

Dynamic video capture
Single-frame image capture
Streaming setup support
High-speed image capture
Preview window function
Hardware acceleration support
Video adjustment functions
Scheduled recording feature
High-quality and low-file-size benefits
Supports both CBR and VBR compression modes
Customizable bitrate settings
Supports NVIDIA CUDA hardware acceleration

Supports RTSP / HLS / RTMP Streaming Protocols

Seamlessly set up online streaming platforms for real-time video, online teaching, and eSports event streaming.

Allows simultaneous recording and streaming with GPU-accelerated streaming support (requires a compatible GPU).

Product Specifications

Audio/Video Input Terminals	HDMIx1、3.5mm x1
Output Terminals	HDMI×1（Loop Through Output)
USB Interface	USB 3.1 Gen 1（USB 3.0）×1
Encoding Method	Software Encoding
Dimensions	80 (W) × 115 (L) × 27 (H) mm (Excluding connectors and protruding parts)
Operating Temperature Range	0 to 40°C
Operating Humidity Range	20％~80％(Non-condensing humidity)
Product Warranty	1 year
Bundled Software	UPMOST PVR
Supported Systems	Windows 11 (64-bit) Windows 10 (64-bit) Windows 8.1 (64-bit) Windows 8 (64-bit) Windows 7 (64-bit)
Notes
※ This product is not compatible with USB 2.0 connections. ※ USB hubs cannot be used. ※ Direct recording to USB storage devices or network drives is not supported. ※ To create a picture-in-picture (PiP) display, an internal or external webcam/microphone must be installed on the PC. ※ The camera used for PiP must support UVC.
Important Notice
※ HDCP-protected content, such as DVDs and digital broadcasts, cannot be recorded or displayed.

Bundled Streaming & Capture Software – UPMOST PVR

(Available for download from the official website)

Dynamic video capture	Storage Method	Supports AVI / MP4 / TS / FLV formats
	Resolution	1920×1080p		1280 x 720p	720×480p
	Frame Rate	60 fps	30 fps	60 fps	60 fps
	Bitrate	30Mbps / 24Mbps / 18Mbps / 12Mbps / 8Mbps / 6Mbps / 4Mbps
Audio capture	Storage Method	AAC
	Sampling Rate	48kHz
	Bitrate	384 kbps
Single-frame image capture	Storage Method	BMP、JPG
	Resolution	1920×1080 / 1280×720 / 720×480
Video compression formats		H.264 (AVC Baseline Profile @L4.1)
Streaming protocol support		Supports RTSP / HLS / RTMP streaming protocols with built-in real-time streaming output
High-speed image capture		Multi-frame burst capture: 1–100 continuous images
Preview window function		Preview window with two size modes and full-screen preview (2:1 / 1:1 / Full Screen)
Hardware acceleration support		Supports GPU hardware acceleration to reduce CPU load (requires a compatible GPU)
Video adjustment settings		Adjustable brightness, contrast, saturation, sharpness, and color settings
Scheduled recording		Configurable scheduled recording: Single, Daily, or Weekly
Plugin support		Image flip (vertical/horizontal), grayscale, watermark/logo overlay, timestamp overlay

Supported Applications & Streaming Platforms

Applications	Adobe Flash Media Live Encoder 3.2 Edius 6.0 Expression Encoder 4.0 Ustream Producer 1.0.2 Windows Media Encoder 9.0 Skype Zoom Microsoft Team Google Meet
Streaming Platforms	Twitch.tv、Youtube、Facebook、Ustream.tv

System Requirements

CPU	Intel Core2 Duo 2.4GHz or AMD equivalent
CPU	1080i/p format: Intel Core2 Quad 2.66GHz or higher
Memory	1GB RAM or higher
USB Interface	Requires USB 3.0 (Not compatible with USB 2.0 / 1.1) Certified chipsets: Intel Ivy Bridge, Renesas (NEC), Fresco
Graphics Card	128MB or higher VRAM DirectX 9.0c and DXVA support required
Sound Card	AC97-compatible sound card with DirectX 9 support
Operating System	Windows Vista / 7 / 8 / 8.1 / 10 / 11 (32-bit & 64-bit) XP SP2 (32-bit) or later

Video Capture Device Series Comparison Chart

Product Selection

Product List

MPB731G X1

USB 3.1 Gen1 Cable (90cm) ×1

3.5mm (Male) to RCA (Female) Cable ×1

Mounting Bracket ×1

Chinese quick installation guide x1

Product warranty card x1

※The product specifications and accessories mentioned in the user manual are for reference only. Any changes will not be notified in advance. UPMOST reserves the right to modify product design, accessories, and drivers.

Q&A

How to select the MPB731G microphone input in Google Meet?

First, download the [MPB731G Audio Input Driver for Third-Party Software] and the [UPMOST PVR2.0 Application] from the official website.

After installation, open UPMOST PVR2.0 and go to the audio input settings, then select [Line in].

Next, close UPMOST PVR2.0 and return to Google Meet. Set the microphone input to MPB731G, and it will be ready to use.

The camera screen turns black and white when using Google Meet.

When using Google Meet, if the resolution is not set to "Auto," the output video may turn black and white. To resolve this, go to settings and change the resolution to "High Definition (720P)" for normal display.

Does it support a secondary development kit?

Yes, it is supported. Our SDK for secondary development needs to be purchased separately. The supported specifications are as follows:

SDK supported programming languages : VC++ / C# / .NET / VB / Delphi / QT

SDK supported platforms : Linux , Embedded Linux, Windows

How to capture/record using OBS?

Please refer to the following tutorial video for the setup instructions.

OBS Setup

How to fix the flipped video in Google Meet?

Please install the Google Chrome extension to display correctly.

Google Meet™ Mirror Mode

File Download

Date

Type

Operating System

Description

File Download

2020.06.11

Manual

Details

15.4MB

PDF

2019.10.23

Product Catalog

Details

2.0MB

PDF

2021.05.27

Manual

Details

9.6MB

PDF

PVR 2.0快速安裝手冊

2022.05.25

Driver

Details

Win 7 64-bit

Win 8 32-bit

Win 8 64-bit

Win 10 32-bit

Win 10 64-bit

Win 11 64-bit

11.4MB

ZIP

Supports third-party software with the option to select MPB731G as the audio input.

v1.1.0.197.0

2021.06.01

Application

Details

Win 7 32-bit

Win 7 64-bit

Win 8 32-bit

Win 8 64-bit

Win 10 32-bit

Win 10 64-bit

531.5MB

ZIP

PVR UPMOST PVR2.0 v1.1.0.193.3.0.1

Driver UPMOST.MPB731G 1.1.0.193.3

2021.01.13

Application

Details

Mac OS 12

Linux 5.0 Kernel

Win 10 64-bit

Win 11 64-bit

Windows/macOS/Linux
Free third-party live streaming capture software, please click the link below.

[OBS Studio (Open Broadcaster Software)]

2020.05.21

Driver

Details

Win 7 32-bit

Win 7 64-bit

Win 8 32-bit

Win 8 64-bit

Win 8.1 32-bit

Win 8.1 64-bit

Win 10 32-bit

Win 10 64-bit

124.5MB

ZIP

Driver and Application

PVR 1.1.0.189.0
Driver 1.1.0.189

2019.10.23

Driver

Details

Win 7 32-bit

Win 7 64-bit

Win 8 32-bit

Win 8 64-bit

Win 8.1 32-bit

Win 8.1 64-bit

Win 10 32-bit

Win 10 64-bit

127.9MB

ZIP

First version driver and application.

PVR 1.1.0.185.8
Driver 1.1.0.185

1. Purpose of Data Collection

The purpose of collecting user personal data by "UPMOST" is for customer management, membership management and marketing, information communication management, e-commerce, internal statistical surveys and analysis, and to collect, process, and use personal data as required by legal obligations. This data collection is carried out through methods such as event registration forms, "Contact Us" forms, or order forms.
2. Types of Personal Data Collected

The types of personal data collected on the "UPMOST" website include C001 Identifiers, C011 Personal Descriptions, and C003 Identifiers in Government Data.
3. Tracking Data and Cookie

The UPMOST website management system will record your IP address, browser type, webpage browsing time, and other tracking data. This data will be stored in accordance with the Personal Data Protection Act.
The purpose of collecting and analyzing user data on the UPMOST website is to understand users' browsing needs and analyze web traffic, which serves as a reference for improving content and system operations. To achieve this and provide users with a more user-friendly service, UPMOST will use cookies to automatically record the pages visited by users and the domain name they are located in. A cookie is a small piece of data sent from a web server to the browser and stored on the computer's hard drive.
Generally, cookies are used to:
1. Estimate the total number of visitors and analyze web traffic; this aggregated and processed traffic data will be provided to online advertisers as a basis for evaluating the effectiveness of advertisements.
2. Track your progress and frequency when participating in promotions, giveaways, and contests. When UPMOST organizes promotional activities using cookies, the data written into the cookies will be used to indicate the participant's progress throughout the entire promotion process and can be used to track participation, submissions, and other related actions in lottery activities.
3. Measure browsing patterns, such as the pages visited on the UPMOST website and the accumulated traffic. UPMOST uses this data to understand user habits and preferences, in order to provide more up-to-date information (including advertisements and promotions) and offer more user-friendly services.
4. Users can configure their browser settings to be notified when a cookie is set or to reject the setting of cookies.
4. How does UPMOST use my data?

1. The primary purpose of UPMOST collecting personal data is for reference use in activities, including information services, newsletter services, personalized services, consumer discount services, interactive communication, and many other types of services. Personal data will be retained during the operation of the UPMOST website. By understanding the users, UPMOST will provide better content and more user-friendly services.
2. The personal data provided by users will be used by UPMOST to periodically or occasionally send activity and information service updates through email, phone, and other media. Users have the right to decide whether they wish to participate in the activities offered by UPMOST. If users do not wish for their data to be used, they can email service@upmost.com.tw, and UPMOST will stop sending related information as per the user's request.
3. When you participate in promotions, giveaways, lotteries, or contests organized by UPMOST independently or in partnership with others, please ensure that the information you provide is correct, as inaccurate information may affect your eligibility to participate or claim prizes. The data collected during these activities will be protected in accordance with applicable laws and this statement.
5. Whom does UPMOST collaborate with to collect user data?

When users enter personal data on the UPMOST website, except in the cases listed below or unless UPMOST makes a special statement, the user's personal data will only be used within the UPMOST website. Additionally, if the data is collected or maintained by a third party through a link on the UPMOST website, UPMOST will obtain the user's consent prior to the collection or transmission of the data.
Some promotional activities on the UPMOST website may be organized by third-party entities other than UPMOST, or co-organized by UPMOST and third parties. In such cases, some or all of the data collected during these activities may be shared with partners, allowing them to provide the services that users need in real-time. If users do not wish for their data to be shared, they can choose not to participate in the service or promotional activity.
6. The rights and methods that users can exercise regarding the personal data they provide to the company are as follows:

(1) Request to inquire or access.
(2) Request a copy of the data.
(3) Request to supplement or correct.
(4) Request to stop the collection, processing, or use of data.
(5) Request to delete.
Users can process this through the member information area on the UPMOST website or send an email to service@upmost.com.tw.
7. How does UPMOST protect my personal data?

1. UPMOST is committed to protecting the privacy and security of users' personal data. UPMOST will only provide users' personal data to business partners and sponsors with the user's "consent."
2. If a user's data is to be shared with a third party, UPMOST will notify the user before the data is used. If the user does not wish for their data to be shared, they can choose not to use specific services or not participate in certain promotional activities or contests.
8. Changes to the contents of this statement.

UPMOST reserves the right to amend this statement. When UPMOST makes changes to the collection, processing, or use of personal data, the content of this webpage will be updated, and relevant changes will be notified to users via the email provided. If no objection is raised, it will be considered as your agreement to this statement.
If you have any questions regarding this statement, please email service@upmost.com.tw, and UPMOST will respond as soon as possible.

Intellectual Property Rights Disclaimer of the Website

All copyrights, patents, trademarks, and other intellectual property rights in the works, data, content, programs, and website design arrangements on the UPMOST website are owned by UPMOST or its authorized legitimate rights holders, and are intended for personal and non-commercial browsing only. Any information, software, products, or services obtained from this website may not be modified, copied, distributed, transmitted, displayed, performed, reproduced, published, licensed, created into derivative works, edited, disseminated, transmitted, or used for any other purposes, including rental, sale, or other purposes. Any violation will result in the user assuming all legal responsibilities, and UPMOST reserves the right to seek compensation in accordance with the law. If any attempt is made to disrupt or interfere with the data and functions on the UPMOST website, or to invade or damage any network systems, UPMOST will take legal action accordingly.

Newsletter Subscription Terms

1. UPMOST provides newsletter information, and by subscribing to the newsletter, it will obtain your email address, which may directly or indirectly identify your personal information.
2. The company will collect, process, and use your personal data in accordance with the Personal Data Protection Act and relevant laws, based on the company's privacy protection policy.
3. The company will update the privacy protection policy in accordance with legal requirements and business operations needs. These updates will not be separately notified. Such updates will not affect your rights as outlined under the Personal Data Protection Act.
4. You agree that UPMOST may use the personal information you provide to verify your identity, contact you, provide UPMOST-related services and information, and use your data in accordance with other practices outlined in the privacy protection policy.
5. You may, in accordance with the Personal Data Protection Act, request UPMOST to:
(1) Request to inquire or view your data.
(2) Request to obtain a copy of the data.
(3) Request to supplement or correct the data.
(4) Request to stop the collection, processing, and use of data.
(5) Request deletion.
However, if exercising the above rights results in a reduction of your benefits from UPMOST's electronic newsletter services, UPMOST will not be liable for compensation. Additionally, in accordance with Article 14 of the Personal Data Protection Act, the company may charge administrative fees.
6. If the personal data you provided is reported and the company finds it insufficient to verify your identity, or if there are cases of identity theft, misuse, or incorrect data, or if requested by the competent authorities or email server management entities/institutions, the company reserves the right to temporarily suspend the delivery service to your associated email account.
7. The duration of UPMOST's use of your personal data: From the time you apply for newsletter subscription, until two years after the cessation of this service. The company may not provide further notice when this service is discontinued.
8. You acknowledge that this consent form complies with the requirements of the Personal Data Protection Act and relevant regulations, and you agree that the company may retain this consent form. The use of email responses will be regarded as a written reply, and the company will act according to your expressed intention to either provide or stop UPMOST's newsletter-related services.
9. The intellectual property rights, copyrights, and other rights related to the content of the UPMOST newsletter are protected by applicable laws and regulations.
10. You have the right to request the use, correction, supplementation, deletion, or blocking of your personal data, or to object to the use of your personal data for direct marketing or to receive specific or various marketing materials. Please send any such requests to: service@upmost.com.tw or call: 02-2883-7222, extension Customer Service Department.

goldennet

Easily Record Gameplay on PC

Supports Direct HDMI Output – Play While Recording with Zero Latency

Supports OBS – Easily Set Up Picture-in-Picture Game Streaming

Capture High-Quality Game Footage

USB 3.1 Gen1 High-Speed Transmission

Full HD 1080p

Full HD 1080p at 60 FPS – Real-Time Preview & Recording

Effortlessly Record iPhone Screen

Compatible with Third-Party Software

Supports any capture software that uses DirectShow/DirectSound development interfaces.

Supports Popular Streaming Platforms

Supports Multi-Instance

Allows multiple software programs to access MPB731G simultaneously.

Supports GPU Hardware Acceleration Architecture

Reduces system CPU load (requires a compatible GPU).

Includes UPMOST PVR Software

Product Specifications

Bundled Streaming & Capture Software – UPMOST PVR

(Available for download from the official website)

Supported Applications & Streaming Platforms

System Requirements

Video Capture Device Series Comparison Chart

Product Selection

Product List