.~ With transformation or intentional distortion of information signal (e.g., preemphasis)
DEFINITION
Classification: 369/88
With transformation or intentional distortion of information signal (e.g., preemphasis):
(under subclass 86) Subject matter having signal processing prior to storage which includes an intentional change to the information signal.
(1) Note. Such changes are often frequency dependent signal magnitude control to compensate apparatus characteristic differences between the storage and the retrieval device.
SEE OR SEARCH THIS CLASS, SUBCLASS:
133, for similar subject matter for electro-mechanical recording, not restricted to plural audio signals.
174+, for signal modification not restricted to plural audio signals, nor any particular type of storage or retrieval.
