| Patents for H04S 1 - Two-channel systems (4,182) |
|---|
| 04/19/2005 | US6883124 Adaptable transducer interface |
| 04/19/2005 | US6882733 Surround headphone output signal generator |
| 04/19/2005 | US6882731 Multi-channel audio converter |
| 04/14/2005 | US20050079827 Wireless audio signal and control signal device and method thereof |
| 04/14/2005 | US20050078839 Sound reproducing apparatus and sound reproducing method |
| 04/14/2005 | US20050078831 Circuit and method for enhancing a stereo signal |
| 04/13/2005 | EP1522210A1 Audio processing |
| 04/13/2005 | EP1522209A2 A stereo signal processing apparatus |
| 04/07/2005 | WO2005032209A2 Method and arrangement for locating aural events such that they have a constant spatial direction using headphones |
| 04/07/2005 | WO2005032208A1 Loudspeaker sensitive sound reproduction |
| 04/07/2005 | WO2005032207A1 Directional loudspeaker control system |
| 04/07/2005 | US20050074135 Audio device and audio processing method |
| 04/06/2005 | EP1520447A1 Method and device for generating data about the mutual position of at least three acoustic transducers |
| 04/06/2005 | CN1605225A Method and apparatus to create a sound field |
| 04/05/2005 | US6876748 Digital signal processing for symmetrical stereophonic imaging in automobiles |
| 03/31/2005 | US20050071028 System and method for enhanced streaming audio |
| 03/31/2005 | US20050070243 Multichannel echo canceller system using active audio matrix coefficients |
| 03/31/2005 | US20050069148 Audio apparatus |
| 03/30/2005 | EP1519627A2 Sound reproducing apparatus and sound reproducing method |
| 03/30/2005 | EP1519619A1 Loudspeaker sensitive sound reproduction |
| 03/30/2005 | CN2689636Y Visual active loundspeakers |
| 03/24/2005 | WO2004093488A3 Directional speakers |
| 03/24/2005 | DE102004037251A1 Lokaler drahtloser Audiosignal-HF-Sender und -Empfänger Local wireless audio RF transmitter and receiver |
| 03/23/2005 | EP1516513A2 Method and system for audio imaging |
| 03/23/2005 | EP1516512A1 Method for evaluating the reception quality of a stereo radio set and stereo radio set |
| 03/23/2005 | CN1600046A Circuit and method for enhancing a stereo signal |
| 03/23/2005 | CN1600045A Time scaling of stereo audio |
| 03/22/2005 | US6870935 Volume stability control for partitioned audio system |
| 03/22/2005 | US6870933 Stereo audio processing device for deriving auxiliary audio signals, such as direction sensing and center signals |
| 03/17/2005 | WO2005025270A1 Audio image control device design tool and audio image control device |
| 03/17/2005 | US20050058304 Cue-based audio coding/decoding |
| 03/17/2005 | US20050057403 Local wireless audio signal RF transmitter and receiver |
| 03/17/2005 | US20050056140 Apparatus and method for separating music and voice using independent component analysis algorithm for two-dimensional forward network |
| 03/16/2005 | CN1596038A Audio device and audio processing method |
| 03/10/2005 | WO2005004537A3 Bass management systems |
| 03/10/2005 | US20050053242 Efficient and scalable parametric stereo coding for low bitrate applications |
| 03/09/2005 | CN1592499A Man sound eliminating method for stereophony and related apparatus |
| 03/03/2005 | US20050047618 Dynamic decorrelator for audio signals |
| 03/03/2005 | DE102004031675A1 Für die Audiodatensynthese geeignetes Datenverarbeitungssystem und Verfahren For the audio data synthesis suitable data processing system and method |
| 03/02/2005 | EP1120013A4 Integrated audio mixer |
| 03/01/2005 | US6862356 Audio device |
| 02/24/2005 | US20050041820 Method of mounting and driving speakers |
| 02/24/2005 | US20050041815 Methods and apparatus for sub-harmonic generation, stereo expansion and distortion |
| 02/24/2005 | US20050041814 Method and related apparatus for stereo vocal cancellation |
| 02/23/2005 | EP1509064A2 Method of mounting and driving speakers |
| 02/23/2005 | CN1585567A Method of mounting and driving speakers |
| 02/16/2005 | EP1507439A2 Apparatus and method for controlling speakers |
| 02/16/2005 | CN1582602A Bass frequency amplifying apparatus |
| 02/10/2005 | WO2004086817A3 Coding of main and side signal representing a multichannel signal |
| 02/10/2005 | DE10330808A1 Konferenzeinrichtung und Verfahren zur Mehrpunktkommunikation Conference facilities and methods for multi-point communication |
| 02/09/2005 | CN1578542A Conference device and method for multi-point communication |
| 02/08/2005 | US6853732 Center channel enhancement of virtual sound images |
| 02/03/2005 | US20050025318 Reproduction system for video and audio signals |
| 02/03/2005 | DE10154915B4 Flachlautsprecheranordnung Flat loudspeaker arrangement |
| 02/02/2005 | EP1502361A2 Multi-channel downmixing device |
| 02/02/2005 | CN1573920A Device and method for separating music and speech using independent component analysis algorithm |
| 02/02/2005 | CN1187906C Method and device for producing a virtual speaker having a certain distance from sound source |
| 02/01/2005 | US6850622 Sound field correction circuit |
| 01/27/2005 | WO2005009078A1 An audio stereo processing method, device and system |
| 01/27/2005 | US20050018039 Conference device and method for multi-point communication |
| 01/27/2005 | DE19925843B4 Verfahren und Vorrichtung zur Erzeugung eines Datenträgers für ein akustisches Signal und Datenträger für ein akustisches Signal Method and apparatus for generating a data carrier for an acoustic signal and data carrier for an acoustic signal |
| 01/27/2005 | CA2531290A1 An audio stereo processing method, device and system |
| 01/26/2005 | EP1500304A2 Loudspeaker positions select infrastructure signal |
| 01/26/2005 | EP1500303A2 Audio distribution |
| 01/20/2005 | WO2005006811A1 Binaural signal processing with improved efficiency |
| 01/20/2005 | US20050013446 Audio System |
| 01/20/2005 | US20050013442 Sound field control system and sound field control method |
| 01/19/2005 | EP1499161A2 Sound field control system and sound field control method |
| 01/19/2005 | CN1568502A Sound intelligibilty enhancement using a psychoacoustic model and an oversampled filterbank |
| 01/19/2005 | CN1568095A Multitrack shared resistor string D/A converter system and output method thereof |
| 01/19/2005 | CN1185627C Interval change method and device |
| 01/13/2005 | WO2005004537A2 Bass management systems |
| 01/13/2005 | WO2005004534A1 The production of augmented-reality audio |
| 01/13/2005 | US20050010314 Data processing system and method suitable for audio data synthesis |
| 01/13/2005 | US20050009583 Directional wireless communication systems |
| 01/13/2005 | DE102004026801A1 Akustiksignal-Verarbeitungseinheit Acoustic signal processing unit |
| 01/12/2005 | EP1496680A1 Conference system and method applying HRTF-filter |
| 01/11/2005 | US6842524 Method for localizing sound image of reproducing sound of audio signals for stereophonic reproduction outside speakers |
| 01/06/2005 | WO2004095880A3 Sound and/or image reproduction unit, and use of a removable operator panel |
| 01/05/2005 | CN1183691C Acoustic heterodyne device and method |
| 01/04/2005 | US6839447 Synchronized binaural hearing system |
| 01/04/2005 | US6839442 Audio signal processing apparatus |
| 12/30/2004 | US20040268320 Graphical computer programming for a digital signal processor |
| 12/30/2004 | US20040267543 Support of a multichannel audio extension |
| 12/30/2004 | US20040264718 Acoustic signal processing unit |
| 12/23/2004 | US20040258246 Bass frequency amplifying apparatus |
| 12/16/2004 | WO2004058059A3 Audio reproduction apparatus, feedback system and method |
| 12/16/2004 | US20040254661 Wireless sound apparatus having a MP3 encoder/decoder/recorder IC unit |
| 12/16/2004 | US20040252844 Method of interacting with the acoustical modal structure of a room |
| 12/14/2004 | US6831657 Display control apparatus for displaying gain setting value in predetermined color hue |
| 12/09/2004 | WO2004107812A1 Array speaker system |
| 12/09/2004 | US20040247144 Sound reproduction systems |
| 12/09/2004 | US20040247140 Parametric virtual speaker and surround-sound system |
| 12/09/2004 | US20040247132 Acoustic correction apparatus |
| 12/09/2004 | US20040246862 Method and apparatus for signal discrimination |
| 12/07/2004 | US6829361 Headphones with integrated microphones |
| 12/07/2004 | US6829359 Multispeaker sound imaging system |
| 12/02/2004 | WO2004105434A1 Mobile communication terminal, and sound generator used on said communication terminal |
| 12/01/2004 | EP0919096B1 Method for cancelling multichannel acoustic echo and multichannel acoustic echo canceller |
| 12/01/2004 | CN1552171A Audio reproducing device |