[sdiy] help with strange BBD chips (sony) (Kenwood time delay)

[Veronica Merryfield]

On 27-May-08, at 5:11 PM, Mike wrote:

>
>> Your reference to the VCR could well be video delays for some  
>> purpose.
>> Optical one line delays were
>> used for error correction and are usually 2 transducers and a quartz
>> block hence the physical size.
>>
>
> The one's used for PAL TV were typically 64uS (1 line time),  I  
> don't think
> NTSC used error correction, (hence the appellation "Never Twice Same
> Colour).
>
> You'd need rather a lot to do anything with audio.
I had always known NTSCII as "Never The Same Colour Twice".