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Amazing for 1961!
"...But looming on the even more distant horizon is a process likely to scuttle both of these forms of tape recording: photoscopic storage, the optical recording and playback of information. Optical storage will provide an incredible density of information-enough to give us computing machines the size of today’s portable radios, and certainly enough to provide ultracompression of musical signals beyond anything dreamed of in disc or tape recording.
"Digital coding is the secret here. Each frequency, each timbre, each tone color can be assigned a code digit representing a voltage. An optical scanner rapidly surveys the sequence of code digits, and a transducer converts them back into sounds emerging from a loudspeaker. The beauty of the system is that it will be free from all distortion; if the digit can be scanned at all, it will be scanned accurately, on the go-no go principle.
"The technical stumbling block at the moment is the transducing element, whose basic concepts are still far in the technological future. (We already have some phenomenal scanning devices and coding techniques, but the playback operation poses problems.)
"Once the necessary coders and decoders have been developed, a digital-coded photoscopic system offers stunning possibilities for sound reproduction. There’s no reason, incidentally, why the digital process can’t be used on TV and FM signals-with vast improvements in the quality of the reception.
"...The big drawback of discs is that they wear out-the grooves deteriorate under repeated playing. But the use of photocell optical scanners in place of stylus tipped pickups will end that problem. The revolving disc will pass under a beam of light that will play the pickup’s part in transmitting information from grooves to amplifier. No physical contact between pickup and groove, no friction, no record deterioration, and a guarantee of perfect tracking without a chance for distortion, overloading, or groove jumping!
"The optical pickup may give such impetus to conventional discs that the more startling means of recording may not come to use for many, many years.
"...The advent of digital coding will bring about the combining of sight and sound, too, all in the same neat package. The newly invented light amplifier or LASER, may some day bring about this kind of arrangement. You’ll be able to play sight-and-sound recordings of operas and concerts. The same equipment will pick up TV, FM, and other signals. The possibilities are boundless."
Taken from the article “Sound to Come” by Robert Silverberg, High Fidelity
Magazine, April 1961, pages 67 and 154.
Amazing for 1961!
"...But looming on the even more distant horizon is a process likely to scuttle both of these forms of tape recording: photoscopic storage, the optical recording and playback of information. Optical storage will provide an incredible density of information-enough to give us computing machines the size of today’s portable radios, and certainly enough to provide ultracompression of musical signals beyond anything dreamed of in disc or tape recording.
"Digital coding is the secret here. Each frequency, each timbre, each tone color can be assigned a code digit representing a voltage. An optical scanner rapidly surveys the sequence of code digits, and a transducer converts them back into sounds emerging from a loudspeaker. The beauty of the system is that it will be free from all distortion; if the digit can be scanned at all, it will be scanned accurately, on the go-no go principle.
"The technical stumbling block at the moment is the transducing element, whose basic concepts are still far in the technological future. (We already have some phenomenal scanning devices and coding techniques, but the playback operation poses problems.)
"Once the necessary coders and decoders have been developed, a digital-coded photoscopic system offers stunning possibilities for sound reproduction. There’s no reason, incidentally, why the digital process can’t be used on TV and FM signals-with vast improvements in the quality of the reception.
"...The big drawback of discs is that they wear out-the grooves deteriorate under repeated playing. But the use of photocell optical scanners in place of stylus tipped pickups will end that problem. The revolving disc will pass under a beam of light that will play the pickup’s part in transmitting information from grooves to amplifier. No physical contact between pickup and groove, no friction, no record deterioration, and a guarantee of perfect tracking without a chance for distortion, overloading, or groove jumping!
"The optical pickup may give such impetus to conventional discs that the more startling means of recording may not come to use for many, many years.
"...The advent of digital coding will bring about the combining of sight and sound, too, all in the same neat package. The newly invented light amplifier or LASER, may some day bring about this kind of arrangement. You’ll be able to play sight-and-sound recordings of operas and concerts. The same equipment will pick up TV, FM, and other signals. The possibilities are boundless."
Taken from the article “Sound to Come” by Robert Silverberg, High Fidelity
Magazine, April 1961, pages 67 and 154.
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