[LAU] Sample rate vs. SNR

Ralf Mardorf ralf.mardorf at alice-dsl.net
Fri Jan 25 19:14:58 UTC 2013


On Fri, 25 Jan 2013 16:21:18 +0100, Fons Adriaensen <fons at linuxaudio.org>  
wrote:

> On Fri, Jan 25, 2013 at 06:44:31AM -0800, Len Ovens wrote:
>
>> Our on air was 2" machines. 5 of them. A very busy place during  
>> commercial
>> breaks.
>
> Know that :-) We had Ampexes on-air, and RCAs in the editing suites.  
> Those
> were really lovely machines. All moving parts were controlled by  
> pneumatic
> actuators, it was phssst, pfff, pssssst all the time while editing. Below
> the actual tape deck there was something like a cubic meter of  
> electronics.
> For slow motion playback (mainly used for soccer) there was an analog  
> hard
> disk recorder. The disk was around 40cm diameter and the whole thing was
> packaged in a glass case, you could see the heads moving.
>
>> And the frame which is actually two vertical scans... at least over here
>> in NTSC land. (NTSC = Never Twice the Same Colour)
>
> Twice that (8 fields, 4 frames) for PAL...
>
> Ciao,

Old school:

Me in 1984 on a Bosch with manually zoom
http://picpaste.de/avmz_001.jpg

Editing room and noisy vtr room with Bosch (? inches) vtrs, IIRC the big  
boxes on top were the SMPTE thingies.
http://picpaste.de/avmz_002-igH5hjqP.jpg

:D

Regards,
Ralf

The pics expire in a week.


More information about the Linux-audio-user mailing list