Maybe these questions about sample rate are really simple, but here I go.
First, does 44.1 kHz work for Internet videos?
For other projects, maybe I want 48 kHz. Does every segment need to be 48 kHz for the final video to be 48 kHz?
Thread: Sample rate
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08-07-2012 01:35 PM
08-07-2012 01:48 PM
Audio for digital video runs at a native 48kHz... that's what your camera records and what your NLE wants. Keep it at an uncompressed (WAV or AIFF) 48k throughout production and post-production, and don't convert until after output and only if needed.
Internet hosting sites like YouTube and Vimeo usually request the audio to be compressed to AAC 44.1kHz. That should be done at the compression-for-Internet stage, as it's always better to down-sample than to up-sample. For DVD, broadcast, theatrical screening, etc., the audio should stay at 48kHz.
08-07-2012 01:56 PM
One of my cameras maybe records at 11 kHz. Maybe I will use that one for video only and not sound, but have not been able to record without sound for some reason.
I have some music from Pond5 and RevoStock and some of it maybe is 44.1. I think much of Pond5 music is probably 44.1.
08-07-2012 02:01 PM
What camera are you using? I've never heard of a camera with 11kHz audio. 33kHz, yes (miniDV in 4-channel mode), but 11kHz is a new one on me.
08-07-2012 02:09 PM
It is a Memorex camera.
If I'm making a project for the Internet that will just be silent videos with music, and the music is 44.1, do I still need to change the music to 48 kHz if I am going to go back to 44.1 for the Internet?
08-07-2012 02:17 PM
- Join Date
- May 2005
I use 192 Kbs/s for most of my 'Internet' output.
I record 'film' audio at 48K, 24 bits. When I output for 'Internet', I select 192 Kbs/s for the 'compressed bit rate'.
Audio CD run at around a 1 Mbs/s rate... just to compare.
People who make professional products in audio may have a different set of specs for output.
08-07-2012 02:35 PM
- Join Date
- Oct 2009
if you're deleting the sound you recorded and just music...it doesn' matter in what sample rate it is...
44,1 48, 46, 47, 01, 04, 245434343453 , 12,4877678676
it really doesn't matter.
if you upload it to vimeo, youtube, it will even I think automatically compress and make it a "youtube alright" or "vimeo alrigh" video
08-07-2012 02:57 PM
If you aren't using any source audio, you simply delete the sound from the video footage when you edit.
08-07-2012 03:21 PM
I use what is probably thought of as one of the worst things to use, but it works for my small projects. I use Windows Movie Maker. I don't know much maybe about other versions of it, but I think the version I have is probably one of the best that was released. It probably does prefer 48 kHz.
08-07-2012 03:27 PM
Windows Movie Maker, I believe, will take mixed sample rates and deal with them. Editing programs like that are designed for absolute consumer/amateur users and are made to handle whatever people throw at them from MP3s and CD audio to video from cheap cameras. It saves you the hassle of having to convert files to match, but in return it sacrifices a few pretty invaluable tools for editing (including meters for keeping an eye on sound levels).
Is it a Memorex MyVideo? SD or HD, or do you know? Flip-out screen, or does it hold and function like shooting with a cell phone?