| Patent Number |
Title Of Patent |
Date Issued |
| 7359522 |
Coding of stereo signals |
April 15, 2008 |
| A method of encoding a multi-channel signal having first and second signal components includes determining a set of filter parameters a prediction filter such that the prediction filter provides an estimate of the second signal component when receiving the first signal component as an in |
| 7321529 |
Shuffle device and central control device provided with the shuffle device |
January 22, 2008 |
| A shuffle device for players with different types of storage medium such as CD, DVD, hard disk drive or random access memory. The shuffle device is provided in a particular central control device such as a remote control, a hand-held computer, a personal digital assistant or palmtop |
| 7110556 |
Multichannel audio signal processing device |
September 19, 2006 |
| An audio signal processing device includes a signal supply for supplying coded audio signal over more than one input channel and, per input channel, over separate frequency sub-bands domain sub-channels. Further filters are used to decode and synthesize the audio signals over the tot |
| 7088779 |
Method and apparatus for reducing the word length of a digital input signal and method and appar |
August 8, 2006 |
| A method and signal processing apparatus for reducing the number of bits of a digital input signal (M.sub.i), includes adding a pseudo-random noise signal (N.sub.a) to the digital input signal (M.sub.i) to obtain an intermediate signal (D.sub.i), the pseudo-random noise signal (N.sub.a) |
| 7054816 |
Audio signal processing device |
May 30, 2006 |
| An audio signal processing device includes a signal supply for supplying speech and music signals via one or more input channels. The device further includes a signal separator for separating the speech and music signals. A first converter converts the music signals into desired virt |
| 6961435 |
Infra bass |
November 1, 2005 |
| To improve the aural sensation from an input signal of an audio reproduction system a bandwidth extension device can be used. The bandwidth extension device includes a first and a second signal path and an analyzer for selecting the created signal which fits most for the current inpu |
| 6882731 |
Multi-channel audio converter |
April 19, 2005 |
| A method and audio converter for generating further audio signals (u, u.sub.l, u.sub.r, u.sub.c, u.sub.s) from initial audio signal (x, x.sub.l, x.sub.r), wherein optionally an information signal (in means 23) is derived from said initial audio signals (x). On basis of the initial audio |
| 6865274 |
Loudspeaker production system having frequency band selective audio power control |
March 8, 2005 |
| A loudspeaker protection system includes a filter arrangement for defining one or more frequency bands of an audio signal, controllable amplifier/attenuator combinations coupled to the filter arrangement, and a processing arrangement coupled to control the amplifier/attenuator combin |
| 6829361 |
Headphones with integrated microphones |
December 7, 2004 |
| A sound reproduction system includes headphones (11). The headphones include structures for generating sound (4, 5) and microphones (6, 7). Further, the system includes filters (8,9) for filtering a signal such that the sound produced simulates external sound sources. The system incl |
| 6791519 |
Sound and vision system |
September 14, 2004 |
| A sound and vision system includes a display device (1) and an acoustic transducer, such as a loudspeaker or a microphone. The display device includes display cells (9) having opposite electrodes (7, 8) and includes a conductive line (11) connected to the electrodes in order to address t |
| 6496584 |
Multi-channel stereo converter for deriving a stereo surround and/or audio center signal |
December 17, 2002 |
| A multi-channel stereo converter is described comprising stereo magnitude determining means for generating a stereo information signal (a/b; .rho.), which represents a degree of stereo between audio input signals (L, R), and transforming means for transforming said audio signals (L, R) b |
