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Re: [ARSCLIST] Dolby S/N Stretcher
Dolby has been a licensed format from the beginning and I don't ever
recall it being used for LP release.
It sounds as if the master tapes were Dolby encoded and perhaps one
channel was NOT decoded properly while the other was.
Dolby A and B were the extant flavours in 1970, if I recall
correctly. If it were a master tape error, it would be Dolby A while
if it was a consumer attempt, it would be Dolby B as was used on
cassettes and on FM broadcasts.
There were dbx-II encoded LPs sold for a while, but that never gained
much traction.
If you find out more, please let me know. Also, if you'd like me to
try decoding one side and see if it makes sense, we can exchange some
files (details offline).
Cheers,
Richard
At 08:34 PM 2006-11-29, David Lewis wrote:
I had a strange experience transferring a OP Vox Candide LP to CD
for a friend. The master tape of this album was recorded in Japan
ca. 1970; this was a US pressing. It appeared that one channel was
**significantly** louder that the other. I wanted to adjust for it,
but decided it best in the end not to monkey with the signal.
Vox LPs of this vintage boast something called a "Dolby S/N
Stretcher." I'm assuming that the S/N stands for "Signal to Noise."
Does anyone here know something about this device, how Vox may have
used it, and where it was used in the chain?
It was weird. It could have originated with the Japanese source
recording, or just be the result of a bad mixdown or mastering job.
But it would be useful to know is this effect relates in some way
globally to stereo Vox LPs.
Dave Lewis
Richard L. Hess email: richard@xxxxxxxxxxxxxxx
Aurora, Ontario, Canada (905) 713 6733 1-877-TAPE-FIX
Detailed contact information: http://www.richardhess.com/tape/contact.htm
Quality tape transfers -- even from hard-to-play tapes.