g Put Weak Streaming

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Quick Start Guide


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First Edition

October, 2013


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Contents

Getting started with GPU Tweak Streaming .......................................................................... 4

Minimum requirements ................................................................................................................ 4

GPU Tweak Streaming interface................................................................................................. 5

Setting up a video stream using GPU Tweak Streaming ................................................... 8

Using a webcam as video source .....................................................................................................8

Using your screen as video source ...................................................................................................9

Adding text .............................................................................................................................................10

Adding images ......................................................................................................................................11

Resizing, moving and arranging text, images and video .......................................................12

Removing text, images and webcam video................................................................................13

Selecting video resolution .........................................................................................................14

Live streaming to a specific channel ......................................................................................15Exporting video streaming settings .......................................................................................16

Importing Profiles into Adobe Flash Media Live Encoder...............................................17

Using Adobe Flash Media Live Encoder ................................................................................18

Sound Recording for Live Streaming .....................................................................................21


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Getting started with GPU Tweak Streaming

GPU Tweak Streaming is a utility for setting up high-quality live streaming

video from your desktop or webcam. With GPU Tweak Streaming you can

add text and images to customize your broadcast. Users can also adjustvideo resolution settings to optimize streaming output for different types of

network bandwidth.

Minimum requirements

Requirements Streaming 720P and above Streaming 480P and below

Recommended CPU Intel Core i7 Intel Core i5

Minimum CPU Intel Core i5 Intel Core i3

Minimum Internet

upload bandwidthto stream video

4Mbps or higher for 720P





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GPU Tweak Streaming interface

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1. Menu bar- The menu bar provides File, Setting, Channel and Help options.

2. Display window- The Display window shows a preview of text, images andvideo to be broadcasted on your live stream.

3. Desktop video stream- You can stream your full desktop or select areas ofyour desktop during a live stream.

4. Image- You can add an image to your live stream.

5. Webcam video - You can add video from your webcam or recording deviceto your live stream.

6. Customized text or title- You can add text to your live stream.

7. Add button- Click the Add button to add text, images and video to yourlive stream. Any text, images and video added will appear immediately on

the Display window.

8. Remove button- Click the Remove button to delete previously added text,images or video.

9. Recording volume- Click and drag the control handle to increase or decreasethe recording volume.


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10.Playback volume- Click and drag the control handle to increase or decreasethe playback volume.

11.Video resolution - Click the appropriate video resolution for your video

and bandwidth.12.Export- Click the Export button to save the video stream settings for use in

Adobe Flash Media Live Encoder.


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Using a webcam as video source

1. Click theAdd button.

2. Click Camera.

3. Select a webcam on the list of

recording devices.

4. The webcam video stream will begin

playing on the Display window.

Setting up a video stream using GPU Tweak Streaming


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Using your screen as video source


2. Click Screen.

3. Using your mouse pointer, click and

drag an area on the screen you wish

to appear on your video stream.

4. The screen area will appear on the

Display window.


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Adding text


2. Click Text.

3. Enter text to be displayed on the

streaming video.

4. Select Font, text Sizeand Color.

5. Tick the Marqueeoption to make the

text scroll across the screen. SelectSlow, Normal or Fast to adjust thespeed of the text.

6. Click OK.


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Adding images


2. Click Image.

3. Click Browseand select an image file.Click OK.

4. The image will appear on the Display

window.

5. Click and drag to position the imageon the Display window.


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Resizing, moving and arranging text, images and video

Click and drag the text, images and video to resize, move and arrange their

viewing position.

Click the corners of

a video/image/text

and drag to resize.

Click once to movearound the Display

window.


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Selecting video resolution

GPU Tweak Streaming lets you select a video resolution appropriate for your

upload bandwidth and video size. Refer to the table below when selecting

resolution settings for your video.

Video resolution

NOTE: Selecting a higher video resolution with insufficient upload bandwidth maylead to drops in frame rate in the streaming video.

1920x10806Mbps+upload bandwidth required


720x480

2Mbps+upload bandwidth required



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Live streaming to a specificchannel

1. Click Channelon the Menu bar .

2. On the Flash Media Server item, select

a Flash Media video provider on the

list or click Customizeto provide yourown settings.

3. On the FMS URLitem, enter the URLof the video server provider.*

4. On the Stream Keyitem, enter yourStream key to secure your video stream

and encrypt user information.*

5. Click OK

NOTE: For more details on the URL of your streaming video provider or using the

Stream key, click How to get Stream Key?or refer to your streaming video providers

support page.


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Exporting video streaming settings

1. Click theExport button .

NOTE: Video streaming settings are saved as XML for use in Adobe Media Live

Encoder.

2. On the Export FME Profile window,

enter a name for the XML file.*

3. Click Save


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Importing Profiles into Adobe Flash Media Live Encoder

Using Adobe Flash Media Live Encoder, you can import profiles exported from

GPU Tweak Live Streaming and set up your live stream immediately.

1. Click Fileon the Menu bar.

2. Click Open Profile.

3. Select the saved profile and click

Open.


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NOTE:The screenshots of Adobe Media Live Encoder are for reference only and aresubject to change without notice.

Using Adobe Flash Media Live Encoder

Adobe Flash Media Live Encoder is a powerful free encoding application that

prepares live video broadcasts for streaming to Flash Media server online

providers. You can download the latest version of Flash Media Live Encoder from

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Adobe Flash Media Encoder encoding settings

1. Video Device - Select the video device you want to use to stream videoonline.

2. Video Format- Select the encoding format for the video stream. H.264 isrecommended.

3. Frame Rate- 25 or higher Frame Rates per Second (FPS) is recommended.

4. Input Size- Video capture size for streaming.

5. Output Size / Video Bit Rate- The Output Size should be equal to or less

than the video Input Size. A large Output Size requires a higher Video BitRate. Refer to the video encoding guidelines below.

Encoding Guidelines

NOTE: Selecting a higher video resolution with insufficient upload bandwidth maylead to drops in frame rate while using a low bit rate will result in mosaic artefacts.

Resolution Recommended Video Size and Bit Rate

360P 640x360 at a video bit rate of 800~1200 kbps480P 720x480 at a video bit rate of 1500~2000 kbps

720P 1280x720 at a video bit rate of 3500~4000 kbps

1080P 1920x1080 at a video bit rate of 5500~6000 kbps


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6. Audio device- Select the audio device for your video stream. For an audiosetup that uses multiple sound sources, configure the mixer in the recording

devices settings.

7. Audio Format- AAC is recommended for better audio quality. Select MP3if AAC is unavailable for your computer.

8. Channels - Select stereo for better sound quality. Select mono for lessbandwidth consumption.

9. Sample Rate- 22050 or higher is recommended.

10. Audio Bit Rate- 48kbps or higher is recommended.

11. RTMP URL / Stream Key - The RTMP URL and Stream Key items will beautomatically filled out after loading the XML file exported from GPU Tweak

Streaming.

12. Save to File - Save the broadcast streaming video to a file on yourcomputer.


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Sound Recording for Live Streaming

Your PCs Stereo Mixer should be enabled for GPU Tweak Live Streaming or Adobe

Media Live Encoder to stream audio coming from gameplay, music or sounds

from your desktop PC. If the only recording device enabled is Microphone, only

audio from the Microphone will be heard on your broadcast.

Setting up sound recording

1. In Windows 7, click Start then ControlPanel.

2. ClickHardware and SoundthenManageaudio devices.

3. On the Recording tab, enable StereoMixer.

4. Click Applythen OK.


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