AES, Audio Engineering Society, NY 1967; pp 366-492 inclusive, double-column text, diagrams, photographs, references, advertisements etc.
Condition: Very Good, 8.25x11.5 large journal size, red and white and black front cover; binding is sound and secure, pages clean and unmarked; slight cover edgewear and rubbing, scuffing etc. Slight front cover crease.
Item DescriptionArticles include -- Tone Generation with Multiple Synchronous and Non-Synchronous RC Oscillators (Owen); Acoustical Measurements by Time Delay SPectrometry (Heyser);
An Audio Noise Reduction System (Ray M. Dolby);
Factors Affecting the Needly/Groove Relationship in Phonograph Playback Systems (Bastiaans);' Survey of Methods for MEasuring Speech Quality (Hecker and Guttman);
A COmparison of Two Types of Digitized Autocorrection Vocoders (Howard, Manley and Stoddard); Information Content of a Sound Spectrogram (Tiong Suy Yu); A Limited-Vocabulary Adaptive Speech-Recognition System (Paul W Ross); Directional Microphones (Harry F Olson); A New Concert Violin (Hutchins adn Schelleng);
Miniature Audio Amplifiers (Greenbaum); Sensitivity of Phonograph Turntables to Normal Loads (Cole); plus letters to the editor, obituaries, convention exhibits preview and more. Includes Index for the volume 15 1967 year.