Class H04S : STEREOPHONIC SYSTEMS
Subclass 3/02: Systems employing more than two channels, e.g. quadraphonic (H04S 5/00, H04S 7/00 take precedence) of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12266372 | Parameter encoding and decoding | Dec 14, 21 | Apr 01, 25 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung E.V. |
| 12243542 | Reconstruction of audio scenes from a downmix | Dec 14, 23 | Mar 04, 25 | DOLBY INTERNATIONAL AB |
| 12245012 | Method and apparatus for compressing and decompressing a higher order ambisonics signal representation | Oct 16, 23 | Mar 04, 25 | Dolby Laboratories Licensing Corporation |
| 12245013 | Methods and apparatus for decoding encoded HOA signals | Nov 22, 23 | Mar 04, 25 | Dolby Laboratories Licensing Corporation |
| 12245014 | Method for and apparatus for decoding/rendering an Ambisonics audio soundfield representation for audio playback using 2D setups | Aug 28, 23 | Mar 04, 25 | Dolby Laboratories Licensing Corporation |
| 12236961 | Audio encoder and decoder | Feb 27, 23 | Feb 25, 25 | DOLBY INTERNATIONAL AB |
| 12223966 | Selectable linear predictive or transform coding modes with advanced stereo coding | Apr 25, 22 | Feb 11, 25 | DOLBY INTERNATIONAL AB |
| 12225367 | Virtual height and surround effect in soundbar without up-firing and surround speakers | Mar 06, 19 | Feb 11, 25 | Harman International Industries, Incorporated |
| 12225368 | Audio channel spatial translation | Sep 25, 23 | Feb 11, 25 | Dolby Laboratories Licensing Corporation |
| 12192734 | Parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder | Dec 01, 23 | Jan 07, 25 | Koninklijke Philips N.V. |
| 12156012 | Representing spatial audio by means of an audio signal and associated metadata | Sep 12, 23 | Nov 26, 24 | DOLBY INTERNATIONAL AB; Dolby Laboratories Licensing Corporation; |
| 12148435 | Decoding of audio scenes | May 15, 23 | Nov 19, 24 | DOLBY INTERNATIONAL AB |
| 12120498 | 3D sound orientation adaptability | Jan 15, 20 | Oct 15, 24 | QUALCOMM Incorporated |
| 12114146 | Determination of targeted spatial audio parameters and associated spatial audio playback | Aug 24, 23 | Oct 08, 24 | Nokia Technologies Oy |
| 12100402 | Apparatus and method for downmixing or upmixing a multichannel signal using phase compensation | May 25, 22 | Sep 24, 24 | Fraunhofer - Gesellschaft zur Foerderung der angewandten Forschung e.V. |
| 12087310 | Apparatus and method for providing enhanced guided downmix capabilities for 3D audio | Jan 14, 21 | Sep 10, 24 | Fraunhofer - Gesellschaft zur Foerderung der angewandten Forschung e.V. |
| 12087311 | Method and apparatus for encoding and decoding an HOA representation | Jun 21, 21 | Sep 10, 24 | Dolby Laboratories Licensing Corporation |
| 12089028 | Presentation of premixed content in 6 degree of freedom scenes | Sep 17, 20 | Sep 10, 24 | Nokia Technologies Oy |
| 12075224 | Audio decoder for audio channel reconstruction | May 03, 23 | Aug 27, 24 | DOLBY INTERNATIONAL AB |
| 12061835 | Binaural rendering for headphones using metadata processing | Apr 24, 23 | Aug 13, 24 | Dolby Laboratories Licensing Corporation |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0095,661 | METHOD AND APPARATUS FOR ENCODING AND DECODING AN HOA REPRESENTATION | Aug 28, 24 | Mar 20, 25 | Dolby Laboratories Licensing Corporation |
| 2025/0088,820 | Audio Signal Processing Method | Jul 29, 22 | Mar 13, 25 | Not available |
| 2025/0071,497 | Apparatus, Methods and Computer Programs for Enabling Rendering of Spatial Audio | Dec 09, 22 | Feb 27, 25 | Not available |
| 2025/0024,216 | STEREO AUDIO SIGNAL PROCESSING METHOD, ENCODING DEVICE, AND STORAGE MEDIUM | Dec 03, 21 | Jan 16, 25 | Not available |
| 2025/0016,516 | Manipulation of Playback Device Response Using Signal Processing | Apr 23, 24 | Jan 09, 25 | Not available |
| 2024/0422,494 | Determination of Targeted Spatial Audio Parameters and Associated Spatial Audio Playback | Aug 27, 24 | Dec 19, 24 | Not available |
| 2024/0404,533 | APPARATUS AND METHOD FOR PROVIDING ENHANCED GUIDED DOWNMIX CAPABILITIES FOR 3D AUDIO | Aug 15, 24 | Dec 05, 24 | Not available |
| 2024/0406,650 | BINAURAL DIALOGUE ENHANCEMENT | Mar 15, 24 | Dec 05, 24 | Dolby Laboratories Licensing Corporation; DOLBY INTERNATIONAL AB; |
| 2024/0373,186 | METHOD AND APPARATUS FOR DECODING STEREO LOUDSPEAKER SIGNALS FROM A HIGHER-ORDER AMBISONICS AUDIO SIGNAL | May 10, 24 | Nov 07, 24 | DOLBY INTERNATIONAL AB |
| 2024/0304,195 | METHOD AND DEVICE FOR DECODING AN AUDIO SOUNDFIELD REPRESENTATION | Mar 15, 24 | Sep 12, 24 | Dolby Laboratories Licensing Corporation |
| 2024/0298,128 | METHOD AND APPARATUS FOR DECODING STEREO LOUDSPEAKER SIGNALS FROM A HIGHER-ORDER AMBISONICS AUDIO SIGNAL | May 10, 24 | Sep 05, 24 | DOLBY INTERNATIONAL AB |
| 2024/0292,171 | SYSTEMS AND METHODS FOR EFFICIENT AND ACCURATE VIRTUAL ACCOUSTIC RENDERING | Sep 15, 22 | Aug 29, 24 | Not available |
| 2024/0259,744 | Spatial Audio Representation and Rendering | Feb 29, 24 | Aug 01, 24 | Not available |
| 2024/0171,925 | METHODS AND SYSTEMS FOR ADAPTIVE CONFIGURING OF AUDIO SETTINGS BASED ON PRE-SET MAPPING DATA | Feb 01, 24 | May 23, 24 | Not available |
| 2024/0127,829 | ADVANCED STEREO CODING BASED ON A COMBINATION OF ADAPTIVELY SELECTABLE LEFT/RIGHT OR MID/SIDE STEREO CODING AND OF PARAMETRIC STEREO CODING | Dec 18, 23 | Apr 18, 24 | DOLBY INTERNATIONAL AB |
| 2024/0114,306 | AUDIO FILTERBANK WITH DECORRELATING COMPONENTS | Sep 02, 20 | Apr 04, 24 | Dolby Laboratories Licensing Corporation |
| 2024/0098,436 | METHOD AND DEVICE FOR APPLYING DYNAMIC RANGE COMPRESSION TO A HIGHER ORDER AMBISONICS SIGNAL | Nov 09, 23 | Mar 21, 24 | Dolby Laboratories Licensing Corporation |
| 2023/0345,176 | AUDIO DECODER FOR AUDIO CHANNEL RECONSTRUCTION | May 03, 23 | Oct 26, 23 | DOLBY INTERNATIONAL AB |
| 2022/0353,628 | SYSTEM AND METHOD FOR TRANSMITTING AT LEAST ONE MULTICHANNEL AUDIO MATRIX ACROSS A GLOBAL NETWORK | May 03, 22 | Nov 03, 22 | Not available |
| 2022/0329,958 | APPARATUS AND METHOD FOR LOW DELAY OBJECT METADATA CODING | Apr 25, 22 | Oct 13, 22 | Not available |
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