Video Audio editing

[Praxeas]

Anyone have experience with this? Am I correct in assuming you can never increase the quality of a digital video or audio file?

I thought it was strange when I converted a .fla file for easier use as a WMV or some other and the file size increased from 200 megs to 3 gigs...

Went and looked at the settings and the video size when from 320x whatever to 720 and bit rate from 150 to 5000 and a few other things. What I don't understand is why the default rate would be like that unless you were recording from an analog signal to a digital one? In this case I was converting from one file format to the other not recording a raw analog signal.

The quality remained the same after all that and it took an hour longer to encode

[1Corinth2v4]

Nobody has responded to this thread.....so I thought I would say hi.......HI

[Revelationist]

I believe that your right... you can reduce the quality, but can no increase it from what it is...

[Praxeas]

I believe that your right... you can reduce the quality, but can no increase it from what it is...
Kinda like a Jpegs too

[commonsense]

Per my son, the above assessment is correct.

He said it is possible if you have insanely expensive software or work for the government there is a good chance you can get a slight increase in the quality of the video. Audio of course you can make improvements on with cheaper software. Is the video something that is important? You can spend lots of time and take each frame at a time to improve it in a photo editing program like Photoshop.

[HeavenlyOne]

I have a cousin who is graduating with a degree in this field. If I had her number, I'd find out for you.

[Praxeas]

Per my son, the above assessment is correct.

He said it is possible if you have insanely expensive software or work for the government there is a good chance you can get a slight increase in the quality of the video. Audio of course you can make improvements on with cheaper software. Is the video something that is important? You can spend lots of time and take each frame at a time to improve it in a photo editing program like Photoshop.

The video is over 200 megs. there is no way I am going frame by frame to edit it. The quality is fine at the resolution it is at now. But increase the screen size and it pixelates

[TRFrance]

Per my son, the above assessment is correct.

He said it is possible if you have insanely expensive software or work for the government there is a good chance you can get a slight increase in the quality of the video. Audio of course you can make improvements on with cheaper software. Is the video something that is important? You can spend lots of time and take each frame at a time to improve it in a photo editing program like Photoshop.
That's my understanding too.
Technically the quality can be improved under some circumstances, but the equipment needed is very expensive.

Law enforcement if often able to enhance the quality of an audio recording by reducing the background noise on the audio. I think they break the audio down with a spectrum analyzer, and based upon the frequencies in the spectrum they're looking at, they can filter out what they don't want, and end up with an improved audio recording. But of course, your average home-based audio enthusiast probably wont have access to that kind of technology.

[CC1]

Increasing the "quality" of a file is pretty much impossible. You can increase it's size and may be able to make technical improvements but you can never really improve "quality" substantially from the original file. Making it a larger size would not in itself make the quality better as it would be like taking a 99 cent cassette tape and a two dollar microphone and recording a song then transferring that recorded audio to a 24 track recording studio digital recorder. You might be able to digitally take out a little hiss, etc but you would not improve much on your original horrible recording.

[Praxeas]

Right and actually law inforcement and or any national security agency, as far as I know, don't really improve the quality, but they enhance an image in certain ways so say license plate numbers are more discernable. This may be done by removing antialiasing or increasing sharpness. That does not make the image a better quality necessarily. It's more like taking naturally rounded edges and turning them into jagged ones to be easier on the eye to pick out numerical details

[scotty]

I use this software for sound. amps sound, reduces or eliminates noise, and a whole host of stuff that I know nothing about. And its free !!

www.audacity.com (http://www.audacity.com)

[Praxeas]

I use audacity

BTW by quality I mean bit rates, frames per second, Mhz etc....

[ManOfWord]

I have never been able to increase the quality of video once it has been shot. I've tried everything before. If you decrease the resolution, you eliminate the pixelation. I normally use 30fps, bit rates of 500 or more, I think. I use Final Cut on a MacBook Pro. I have finally gone to a high def video camera which gives me, IMO, incredible video quality compared to what I was using. I now have the inherent quality I want and can anywhere from there. :D

[Praxeas]

I have never been able to increase the quality of video once it has been shot. I've tried everything before. If you decrease the resolution, you eliminate the pixelation. I normally use 30fps, bit rates of 500 or more, I think. I use Final Cut on a MacBook Pro. I have finally gone to a high def video camera which gives me, IMO, incredible video quality compared to what I was using. I now have the inherent quality I want and can anywhere from there. :D
The best video is going to be analog...the problem has always been editing. In digital format it is easier to edit. In order to edit analog in a digital environment it needs to be captures to the PC...and because analog is on tape that takes forever.

So we consumers have opted for the easier and lower quality digital format.

Now, I would like to have an HD cam, until them all my vid will be youtube quality :-)

[OnTheFritz]

I have a lot of experience in the video conversion process. Will be glad to help. A lot depends on the software you use for conversion, default settings, etc. A video editing app like Final Cut or Premiere will likely default to an NTSC timeline which will scale up your video size to 640x480 or 720x480. Also, the recompression settings will dictate output size.