US 7,489,792 B2
	Generation of a sound signal
Ronaldus Maria Aarts, Eindhoven (Netherlands); Roy Irwan, Groningen (Netherlands); and Daniel Willem Elisabeth Schobben, Eindhoven (Netherlands)
Assigned to Koninklijke Philips Electronics N.V., Eindhoven (Netherlands)
Appl. No. 10/528,489 PCT Filed Sep. 16, 2003, PCT No. PCT/IB03/04002 § 371(c)(1), (2), (4) Date Mar. 18, 2005, PCT Pub. No. WO2004/028204, PCT Pub. Date Apr. 01, 2004.
Claims priority of application No. 02078943 (EP), filed on Sep. 23, 2002.
Prior Publication US 2006/0045274 A1, Mar. 02, 2006
Int. Cl. H04R 5/02 (2006.01)

U.S. Cl. 381—309

6 Claims

1. A method of generating, in a media system, at least one output signal belonging to a first set of sound signals from at least one input signal belonging to a second set of sound signals having a related second set of Head Related Transfer Functions, said method comprising the steps of determining, for each signal in the second set of sound signals, a weighted relation comprising at least one signal belonging to a third set of intermediate sound signals and at least one weight value; determining a first set of Head Related Transfer Functions based on the second set of sound signals, the second set of Head Related Transfer Functions and the weighted relation; and transferring at least one signal from the third set of intermediate sound signals by means of at least one HRTF from said first set of Head Related Transfer Functions to generate at least one output signal belonging to said first set of sound signals.