A device for critical examination of recorded data on moving or stationary magnetic tapes by means of variable-speed rotating magnetic reproduce-head assemblies is described. Several types of interchangeable assemblies, both single- and dual-track, are discussed, together with certain operative phenomena peculiar to each. Problems arising from the use of variable-speed scanning as a means of analyzing recorded analog data are illustrated. The effect of rotating-head design on wow and flutter is described in detail, as well as the ability of current magnetic tapes to withstand physically high-speed scanning for prolonged periods of time. Although the system was designed primarily as a tool to aid in the development of data-recording devices relative to the field of sonar, its application to other fields of scientific research is discussed.
https://www.aes.org/e-lib/browse.cfm?elib=208
Click to purchase paper as a non-member or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!
This paper costs $33 for non-members and is free for AES members and E-Library subscribers.
Learn more about the AES E-Library
Start a discussion about this paper!
