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Questions tagged [high-definition]

92 questions
109
votes
3 answers

Converting video from 1080p to 720p with smallest quality loss using ffmpeg

I stack with my high quality movie: 1080p with 60fps. The trouble is lags while playing. I tried to convert it to 720p with ffmpeg: ffmpeg -i MyMovie.mkv -r 60 -s hd720 MyMovie_720p.mkv But I there is significant quality loss because bit rate…
atomAltera
  • 1,269
86
votes
8 answers

What are the differences of watching a 1080p and a 720p version of the same media on a 720p screen?

Say I have 1280x720 pixels on my screen and the current resolution is set to 1280x720 as well. What are the differences between the 1080p version and the 720p version of the same media? Is it noticeable to an end user (a non-video expert or…
Varaquilex
  • 3,846
55
votes
5 answers

What is the difference between 1080p, 1080P and 1080i?

Many times, I have seen resolution of 1080p and I know that it means 1080 pixels but I also have seen specifications on some HDTVs to be 1080i. So, I want to know the exact difference between them and whether 1080i video quality is available for the…
avirk
  • 15,877
15
votes
4 answers

How to play HD videos in low resolution, faster

I have a 1080p video and I want to play it in a medium configured PC running Windows XP. Since the system don't have much resources, the videos sometimes used to stall, or play in a slow motion. Is there any Software / Tool / Method to play high res…
Alfred
  • 710
8
votes
4 answers

HD 1080p .mkv videos don't play smooth. Is it a CPU, GPU, player or OS issue?

I have some .mkv 1080p videos but VLC can't play them smoothly. If I open the Task Manager, I can see that CPU is at 100%, because VLC uses as much as it can (95% or more). Then, I wonder Is it a CPU problem, because it's slow? Is it a GPU problem…
Oriol
  • 1,509
8
votes
2 answers

HiDPI support with Wine applications

I'm thinking of buying an HP Spectre x360 13" laptop with QHD display and installing Mint on it and using Wine to run some Windows apps. I was wondering if anyone had experience with Wine's support for HiDPI displays - do the apps run on Wine on a…
kat
  • 387
7
votes
5 answers

2560 x 1440 Resolution: is Mini DisplayPort or HDMI better?

My first foray beyond 1080p begins today. Should I use HDMI or DisplayPort to connect my new laptop to my monitor? If I have both cables, which will allow me to maximize my graphics experience? Hardware: 27" Monitor resolution is 2560 x 1440…
DoctorWhom
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7
votes
7 answers

Intel HD4000 with 4k HDMI output on Linux

I wonder if I can output 4k resolution (3840 × 2160) @ 30Hz with a Intel HD4000 graphics using Linux and a single HDMI output. I have a Thinkpad Edge E330 with HDMI 1.4. The CPU is an i5-3210M. I know that there is a problem with the pixel clock…
kernelpanic
  • 83
6
votes
5 answers

Software bass boost

I'm wondering, does anyone know why software bass boost solutions (like equalizers in various media players or that come with sound card) are really awful? I mean, you can boost max. 3-4dB without getting your sound distorted, and that's only if…
xx77aBs
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6
votes
2 answers

Mac OS X Terminal get in Macintosh HD? For using Git and Github

I wanted to get started with using Git and Github especially for installing Web software to my htdocs directory. htdocs is the folder in which you put all your websites that then run by using MAMP -- Apache server, PHP, MySQL and stuff. This not the…
Jeroen
  • 163
5
votes
4 answers

Watch movies off external USB blu-ray drive

If I buy an external Blu-Ray drive, is it possible to watch blu ray movies via the drive? How much bandwidth does a connection need to stream a high-definition movie (like a blu ray movie)?
David Oneill
  • 2,678
5
votes
5 answers

Trouble playing 1080p HEVC format on VLC, MPC, Potplayer

I am having trouble playing HEVC 1080p file on my system. I don't have a really strong PC, but I will give the facts: Ram: 2GB OS: Win 7 ultimate processor: Pentium(R) Dual-Core T4500 @2.3Ghz Graphic Chipset: Intel GMA4500M I tried the latest…
4-K
  • 251
4
votes
3 answers

Upload speed needed to Skype in 720p

I want to buy an HD web camera to Skype with family and friends. My current laptop cam is terrible, but I want to make sure that before I buy a new cam my connection can handle it. So - what is the minimal upload speed needed to broadcast in…
Yotam
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4
votes
2 answers

Can I watch full HD Videos on a supported TV from a laptop without a full HD display?

I have a notebook with 1366 × 768 screen resolution but with an HDMI out port, that can be connected to my TV. My TV has an HDMI input port and supports a screen resolution of 1920 × 1080. Is it possible to watch Full HD movies stored on my…
xibalban
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4
votes
2 answers

Is SATA 6GB/s Supported on Mid-2010 MBP?

I am planning on buying the http://www.ocztechnology.com/ocz-vertex-3-sata-iii-2-5-ssd.html (240gb) and I just wanted to check that I could achieve the maximum read/write speeds of the SATA 3. To be able to do so, I believe that you have to have…
max_
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