DYNAMIC RANGE CONTROL FOR A WIDE VARIETY OF PLAYBACK ENVIRONMENTS
Granted: May 23, 2024
Application Number:
20240168706
In an audio encoder, for audio content received in a source audio format, default gains are generated based on a default dynamic range compression (DRC) curve, and non-default gains are generated for a non-default gain profile. Based on the default gains and non-default gains, differential gains are generated. An audio signal comprising the audio content, the default DRC curve, and differential gains is generated. In an audio decoder, the default DRC curve and the differential gains are…
PATCH-BASED RESHAPING AND METADATA FOR VOLUMETRIC VIDEO
Granted: May 23, 2024
Application Number:
20240171775
An input 3D point cloud including a spatial distribution of points is received. Patches including pre-reshaped patch data are generated from the input 3D point cloud. Encoder-side reshaping is performed on the pre-reshaped patch data to generate reshaped patch data for the patches. The reshaped patch data is encoded into a 3D video signal, which a recipient device of the 3D video signal can decode to generate a reconstructed 3D point cloud that approximates the input 3D point cloud.
FRAME-RATE SCALABLE VIDEO CODING
Granted: May 23, 2024
Application Number:
20240171760
Methods and systems for frame rate scalability are described. Support is provided for input and output video sequences with variable frame rate and variable shutter angle across scenes, or for input video sequences with fixed input frame rate and input shutter angle, but allowing a decoder to generate a video output at a different output frame rate and shutter angle than the corresponding input values. Techniques allowing a decoder to decode more computationally-efficiently a specific…
PROJECTION SYSTEM AND METHOD WITH PIXEL SHIFTING
Granted: May 23, 2024
Application Number:
20240171716
A projection system and method therefor includes a light source configured to emit a light; a spatial light modulator configured to receive the light and generate a modulated light; a lens configured to spatially Fourier transform the modulated light; a filter including an aperture, the filter configured to transmit at least one diffraction order of the modulated light as Fourier-transformed by the lens and to block a remaining portion of the modulated light; and a controller configured…
DIGITAL POINT SPREAD FUNCTION (DPSF) AND DUAL MODULATION PROJECTION (INCLUDING LASERS) USING DPSF
Granted: May 23, 2024
Application Number:
20240171712
A digital PSF for use in a dual modulation display. The invention allows the use of less than optimal point spread (PSF) functions in the optics between the pre-modulator and primary modulator of a dual modulation projection system. This technique uses multiple halftones per frame in the pre-modulator synchronized with a modified bit sequence in the primary modulator to produce a compensation image that reduces the errors produced by the sub-optimal PSF. The invention includes the…
PROJECTION SYSTEM AND METHOD WITH DYNAMIC TARGET GEOMETRY
Granted: May 23, 2024
Application Number:
20240171710
A projection system and method includes a light source configured to emit a light in response to an image data; a phase light modulator configured to receive the light from the light source and to apply a spatially-varying phase modulation on the light, thereby to steer the light and generate a projection light; and a controller configured to dynamically determine, based on at least one of a user input or a sensor signal, a target geometry of a projection surface on which the projection…
CONTEXT AWARE AUDIO PROCESSING
Granted: May 23, 2024
Application Number:
20240170004
Embodiments are disclosed for context aware audio processing. In an embodiment, an audio processing method comprises: receiving, with one or more sensors of a device, environment information about an audio recording captured by the device; detecting, with at least one processor of the device, a context of the audio recording based on the audio recording and the environment information; determining, with the at least one processor, a model based on the context; processing, with the at…
DEREVERBERATION BASED ON MEDIA TYPE
Granted: May 23, 2024
Application Number:
20240170002
A method for reverberation suppression may involve receiving an input audio signal. The method may involve classifying a media type of the input audio signal as one of a group comprising at least: 1) speech; 2) music; or 3) speech over music. The method may involve determining whether to perform dereverberation on the input audio signal based at least on a determination that the media type of the input audio signal has been classified as speech. The method may involve generating an…
IMPROVING PERCEPTUAL QUALITY OF DEREVERBERATION
Granted: May 23, 2024
Application Number:
20240170001
A method for reverberation suppression may involve receiving an input audio signal. The method may involve calculating an initial reverberation suppression gain for the input audio signal for at least one frame of the input audio signal. The method may involve calculating at least one adjusted reverberation suppression gain, where the at least one adjusted reverberation suppression gain adjusts at least one of: 1) a reverberation suppression decay based on a reverberation intensity…
LUMINANCE ADJUSTMENT BASED ON VIEWER ADAPTATION STATE
Granted: May 23, 2024
Application Number:
20240169504
A video delivery system for luminance adjustment based upon a viewer adaptation state comprises a processor configured to: receive a source image including a current image frame including metadata corresponding to a mean luminance value of the current image frame, and the source image including an upcoming image frame including metadata corresponding to a mean luminance value of the upcoming image frame. The processor is configured to determine an ambient luminance value based on an…
OPTICAL SWITCH FOR SINGLE AND MULTIPLE PROJECTORS
Granted: May 23, 2024
Application Number:
20240168304
A projection system and method therefor comprises a first light source configured to emit a first-eye light, wherein the first-eye light includes a first set of wavelengths; a second light source configured to emit a second-eye light, wherein the second-eye light includes a second set of wavelengths; a first projector including first projection optics configured to receive a first input light; and an optical switch configured to be switched between an a first mode and a second mode,…
SPEAKER DIARIZATION SUPPORTING EPISODICAL CONTENT
Granted: May 16, 2024
Application Number:
20240160849
Embodiments are disclosed for speaker diarization supporting episodical content. In an embodiment, a method comprises: receiving media data including one or more utterances; dividing the media data into a plurality of blocks; identifying segments of each block of the plurality of blocks associated with a single speaker; extracting embeddings for the identified segments in accordance with a machine learning model, wherein extracting embeddings for identified segments further comprises…
ESTIMATING USER LOCATION IN A SYSTEM INCLUDING SMART AUDIO DEVICES
Granted: May 16, 2024
Application Number:
20240163611
Methods and systems for performing at least one audio activity (e.g., conducting a phone call or playing music or other audio content) in an environment including by determining an estimated location of a user in the environment in response to sound uttered by the user (e.g., a voice command), and controlling the audio activity in response to determining the estimated user location. The environment may have zones which are indicated by a zone map and estimation of the user location may…
REMOVEABLE SPEAKER FOR COMPUTING DEVICES
Granted: May 16, 2024
Application Number:
20240163608
A computing device system including a computing device having a housing and electronic components disposed within the housing, where the electronic components include a controller, a memory, and a power source. A display screen is supported on the housing, and a socket extends into the housing. A removable speaker is selectively received within the socket, where the removable speaker includes a power source that is automatically charged when received within the socket.
DOLBY ATMOS MASTER COMPRESSOR/LIMITER
Granted: May 16, 2024
Application Number:
20240163529
The present disclosure relates to a method and audio processing system for performing dynamic range adjustment of spatial audio objects. The method comprises obtaining (step S1) a plurality of spatial audio objects (10), obtaining (step S2) at least one rendered audio presentation of the spatial audio objects (10) and determining (step S3) signal level data associated with each presentation audio channel in said set of presentation audio channels. The method further comprises obtaining…
MULTI-DISTRIBUTION ENTROPY MODELING OF LATENT FEATURES IN IMAGE AND VIDEO CODING USING NEURAL NETWORKS
Granted: May 16, 2024
Application Number:
20240163485
Methods, systems, and bitstream syntax are described for the entropy modeling of latent features in image and video coding using a combination of probability density functions. Using high-level syntax elements, an encoder may signal to compliant decoders the multi-distribution entropy model using: the number of one or more PDFs being used, an identifier of each PDF being used among a list of available PDFs, the number of PDF parameters in each PDF, and syntax elements indicating which…
PROJECTION SYSTEM AND METHOD OF DRIVING A PROJECTION SYSTEM WITH FIELD MAPPING
Granted: May 16, 2024
Application Number:
20240163408
A projection system includes a light source configured to emit a light in response to an image data, a phase light modulator configured to receive the light from the light source and to apply a spatially-varying phase modulation on the light, thereby generating a projection light and steering the light on a reconstruction field, wherein the reconstruction field is a complex plane on which a reconstruction image is formed, and a controller configured to control the light source, control…
COORDINATION OF AUDIO DEVICES
Granted: May 16, 2024
Application Number:
20240163340
An audio session management method may involve: determining, by an audio session manager, one or more first media engine capabilities of a first media engine of a first smart audio device, the first media engine being configured for managing one or more audio media streams received by the first smart audio device and for performing first smart audio device signal processing for the one or more audio media streams according to a first media engine sample clock; receiving, by the audio…
ROBUSTNESS/PERFORMANCE IMPROVEMENT FOR DEEP LEARNING BASED SPEECH ENHANCEMENT AGAINST ARTIFACTS AND DISTORTION
Granted: May 16, 2024
Application Number:
20240161766
Described is a method of processing an audio signal. The method includes a first step for applying enhancement to a first component of the audio signal and/or applying suppression to a second component of the audio signal relative to the first component, and a second step of modifying an output of the first step by applying a deep learning based model to the output of the first step, for perceptually improving the first component of the audio signal. Also described is an apparatus for…
DISPLAY MANAGEMENT WITH POSITION-VARYING ADAPTIVITY TO AMBIENT LIGHT AND/OR NON-DISPLAY-ORIGINATING SURFACE LIGHT
Granted: May 16, 2024
Application Number:
20240161706
Methods are disclosed for adaptive display management using one or more viewing environment parameters. Given the one or more viewing environment parameters, an effective luminance range for a target display, and an input image, a tone-mapped image is generated based on a tone-mapping curve, an original PQ luminance mapping function, and the effective luminance range of the display. Corrected PQ (PQ?) luminance mapping functions are generated according to the viewing environment…
