LISTENING

Brand	Owner (click to sort)	Address	Description
CTP 4	Educational Records Bureau	470 Park Avenue South, 2nd Fl. S. New York NY 10016	standardized test battery in listening, reading, writing, mathematics, and reasoning skills for elementary and secondary school consisting of test booklets, printed test forms and evaluation and interpretation reports;
LISTENING POINT...	Camelot Music, Inc.	8000 Freedom Ave., NW. North Canton OH 44720	LISTENING;store music listening services;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

It is intended to remove a risk of illegal high quality restoration while enabling trial viewing of contents such as music, to make it possible to reproduce contents with high quality by acquiring a relatively small amount of data, and to make it possible to implement hardware at a lower cost. To generate trial listening data containing dummy data, a pseudo random number R is generated first. A remainder r of R divided by 128 is calculated. The remainder r is coded and incorporated into high sound quality restoration data. A bandwidth limitation region of trial listening data is replaced by dummy data starting from its rth bit. As a result, the head position of the dummy data in the trial listening data varies frame by frame, whereby the safety of the trial listening data can be increased.