Showing posts with label compress 4k to 1080p. Show all posts
Showing posts with label compress 4k to 1080p. Show all posts

Thursday, March 22, 2018

Compress DJI Mavic Air 4K to 1080p for After Effects Editing

A marvel of engineering and design, the Mavic Air was built to go wherever adventure takes you. Inheriting the best of the Mavic series, this ultraportable and foldable drone features high-end flight performance and functionality for limitless exploration. The Mavic Air is the most portable DJI drone to house a 3-axis mechanical gimbal, with its angular vibration range reduced to 0.005°. Set in a triangular formation, gimbal dampeners help create even steadier shots. Best of all the Mavic Air shoots video at an incredible 4K 30 fps, recording at 100 Mbps to capture every second with UHD quality.

It is a wonderful idea to input the DJI Mavic Air captured 4K footage into Adobe After Effects for further editing. However, it will be CPU comsuming if you load DJI Mavic Air 4k into After Effect and try to render the final file. If you say you have owned a very power computer and can get this job done, okey, how about the final render file? It can be very easy to say that its size will be very very large after adding vdieo effects to it. So today what we are gonna discuss is how to compress DJI Mavic Air 4k to 1080p for better postproduction, and compress the large render files for better sharing.

Part 1. How to Compress DJI Mavic Air 4K to 1080p before After Effects Editing

To compress DJI Mavic Air captured 4k footage before inputting into After Effects, you have a good choice - finding a smart assistant which comes as a super compressor. Pavtube Video Converter Ultimate always stands out from it competitors will never let you down. It allows you to input 4K MOV, 4K MP4, 4K AVCHD, 4K MKV and output MKV, MOV, MP4, AVI, M4V etc with 4K/2K/SD/HD resolution, moreover, customizing video parameters like video/audio codec, resoluiton, bit rate, frame rate, channels etc are available here. Apart from video rosolution, video file size also depends on video bit rate, get smaller video size by lowering the bit rate.

Quick Guide to Compress DJI Mavic Air 4K to 1080p before After Effects Editing

Step 1: Load DJI Mavic Air 4K video into the program.

Start the program on your computer, click "File" menu and select "Add Video/Audio" or "Add from folder" to import DJI Mavic Air 4K video.

Load DJI Mavic Air 4K video

Step 2: Define output video format

Click "Format" bar, from its drop-down options, choose the best compatible uploading format from "Common VIdeo" > "H.264 High Profile Video(*.mp4)". You also can choose other video formats according to your needs.

Output YouTube best uploading 4k formats

Step 3: Compress DJI Mavic Air 4K to 1080p

Hit "Settings" to open the "Profile Settings" window, here you can adjust the output video codec, resolution, bit rate, frame rate and audio codec, bit rate, sample rate and channels. To compress 4k to 1080p, just type 1920*1080 in Size blank. If you prefer smaller video size, lower the video bit rate can help you achieve this goal.

Output YouTube best uploading settings

Step 5: Start the conversion.

Start to compress DJI Mavic Air 4K video to 1080p conversion by hitting the right bottom convert button, when the conversion is over, you will have no limitation to upload DJI Mavic Air 4K video to After Effects. You will be surprise about the smooth editing process.

Part 2. How to Compress After Effects render file size for sharing

Above is the tutorials to help you compress the DJI Mavic Air 4k to 1080p for smooth editing. Almost all After Effects moive making lovers know that, although the file you input into Adobe AE is very small, the render file will be larger larger larger than what you input, cause you have done the footage's postproduction. So how to reduce the render file size? Here are two ways to help you solve the problems.

Method 1. How to reduce the render file size in Affter Effects

To reduce render file size in Affter Effects is to change the format to H.264, but how? Keep reading.

To render H.264 it's actually very easy.

  1. From your Project window, select the sequence you wish to render.
  2. Right click->Export Media (or File->Export Media)
  3. In the Video tab, select H.264 for format

Then, in the basic video settings below, you can change to smaller-than-original resolution, low bit rates, etc.

Method 2. How to reduce the Affter Effects render file size via Pavtube tool

If you are not faniliar with the operation by reducing in After Effects, this method will be very easy for you. Open Pavtube Video Converter Ultimate and load the render file into it, then define the output format you like just like we just do above, then click Settings on the UI, screenshot like below.

Output YouTube best uploading settings

Now you are able to adjust the output video codec, resolution, bit rate, frame rate and audio codec, bit rate, sample rate and channels. Apart from changing video resolution, you also can lower the bit rate to make the render file smaller.

Up to now, you may have no trouble to play the DJI Mavic Air 4k with any devices, or upload to Youtube Facebook, Twitter for sharing with thousands of net friends.

Wednesday, October 4, 2017

Useful Tips for Uploading DJI Phantom 4 Pro 4k to Youtube

DJI Phantom 4 Pro+ stands out from its class, which is capable of shooting H.264 videos at 60fps or H.265 4K video at 30fps, both recorded in a 100 Mbps bitrate. When the shooting is completed, you may want to upload the 4k video to Youtube and share with thousands audiences. It easy to get this goal, cause Youtube has already added 4K video streaming support. However, what really matter here is how to smoothly upload DJI Phatom 4 Pro+ 4K video to YouTube with the best quality. Before you get start, you have to know the  best 4K format and settings for YouTube as folllowing.

Best 4K upload format and settings for YouTube

Container: MP4 


Video codec: H.264 
Progressive scan not interlacing 
High Profile 
2 consecutive B frames 
Closed GOP. GOP of half the frame rate. 
CABAC 
Variable bitrate, no bit rate limit required, though we offer recommended bit rates below for reference, 
Chroma subsampling: 4:2:0


Audio codec: AAC-LC 
Channels: Stereo or Stereo + 5.1 
Sample rate 96khz or 48khz


Frame rate and bit rate to view 4K uploads on 4K TV with YouTube

SDR uploads

24/25/30 fps standard frame rate - 35-45 Mbps 
48/50/60fps High Frame Rate - 53-68 Mbps

HDR uploads

24/25/30 fps standard frame rate - 44-56 Mbps 
48/50/60fps High Frame Rate - 66-85 Mbps


Resolution and aspect ratio 

YouTube uses 16:9 aspect ratio players. If you're uploading a non-16:9 file, it will be processed and displayed correctly as well, with pillar boxes (black bars on the left and right) or letter boxes (black bars at the top and bottom) provided by the player.


Time and file size limitations for YouTube video upload

Size: Up to 2GB 
Length: By default, you can upload videos that are up to 15 minutes long, but you can upload longer videos by following the steps below to verify your account. 
1. go to the upload page at youtube.com/upload
2. At the bottom of the page, click Increase your limit. You can also go directly to https://www.youtube.com/verify
3. Follow the steps to verify your account. You can choose to receive a verification code through a text message on a mobile phone or an automated voice call. 
4. Once you've verified your account, you can upload videos that are longer than 15 minutes long.

How to Convert DJI Phantom 4 Pro+ 4K for YouTube

From above official information, we know that to upload DJI Phantom 4 Pro+ 4k H.264 at 60 fps with 100Mbps video to Youtube, you have to adjust uploaded 4k video bit rate to 66-85 Mbps which is more suitable for Youtube. And if you are uploading DJI Phantom 4 Pro+ 4k H.265 at 30fps with 100Mbps video to Youtube, transcoding the H.265 to H.264 High Profile video codec and adjut 100Mbps to 66-85 Mbps could be better for Youtube.

Pavtube Video Converter Ultimate for Windows/Mac enables you to convert DJI Phantom 4 Pro+ 4k H.265 to H.264, with adjusting bit rate to 66-85. Furthermore, for those people, who want to transfer the 4k video to iPhone X, Samsung Galaxy Note 8, or other tablets, you can downscale 4k to 1080p, in fact, you will not see the difference between 4k and 1080p, so to save more storage space, you can compress 4k for massive devices.

Moreover, this program also works as a professional video editor, which enables you to trim the 4k vdieo to cut your unwanted part. With it, you can merge separate video clips into one, insert external subtitles to video, add transparent text watermark/image watermark to video, crop black bars around the video frame, split large video files into small parts, adjust video color brightness, contrast, saturation, remove audio from a video or replace audio in video, trim video footage, crop unwanted area from video, etc. More functions in this guide.

Quick Guide to Upload DJI Phantom 4 Pro+ to Youtube

Step 1: Load DJI Phantom 4 Pro+ 4K video into the program.

Start the program on your computer, click "File" menu and select "Add Video/Audio" or "Add from folder" to import DJI Phantom 4 Pro+ 4K video.

Load DJI Phantom 4 Pro+ 4K video

Step 2: Output Youtube best uploading format for 4K video.

Click "Format" bar, from its drop-down options, choose YouTube best compatible uploading format from "Common VIdeo" > "H.264 High Profile Video(*.mp4)".

Output YouTube best uploading 4k formats

Step 3: Tweak encoding settings for YouTube upload.

Click "Hit "Settings" to open the "Profile Settings" window, here you can adjust the output video codec, resolution, bit rate, frame rate and audio codec, bit rate, sample rate and channels to let them fit them YouTube.

Tip: Video size are based more on bit rate than resolution.

Output YouTube best uploading settings

Step 4: Trim video file.

If the 4K video is longer than 15 minutes, you can shorten the video length with the trimming function to set the start time and end time to remove unwanted clips from the video.

Trim video

Step 5: Start the conversion.

Start DJI Phantom 4 Pro+ 4K video to YouTube best format conversion by hitting the right bottom convert button, when the conversion is over, you will have no limitation to upload and share DJI Phantom 4 Pro+ 4K video on YouTube with fast speed and perfect quality.