Due to not identifying the product under one practical name the record buying public held back their vote. due to not identifying the product under one practical name the record buying public held back their vote. Perhaps they just ignore the fact that, it is the public who decide whether a product will become a marketable success or not. They were more interested in competing for prominence of the market place. By their a lack of business common sense they forgot that the product needed a common identity; and on top of that, the systems presented to the public were incompatible with each other. Consumers waiting for a standard name withheld their money and by the end of the decade this new innovation on records became an illusion in the marketplace. It appears that these companies never did a research on how the market would react to their individualized quest for prominence. In saying that, the quadraphonic sound was never a strong commodity as the stereophonic sound. The quadraphonic sound died of a natural commercial death! With the advent of the digital recording systems that are ingenuously designed specially to identify and do away with interfering signals in order to maintained a frequency response up to 20 kilohertz which is the limit of human hearing. Therefore, it is necessary to sample at slightly above twice that frequency so that the compact discs (CD) actually have a sample rate of 44.1 kilohertz. The signal level is divided into 2.15; which is about 32,000 in equal intervals. Vinyl records have a frequency range well over 20kHz. (Kilohertz). The amplitude of the sound wave determines its strength, or loudness, and is measured in decibels, a term which was adopted in 1928 a logarithm of the ratio of the difference in loudness of two sounds. |