METHODS AND DEVICES FOR CONTROLLING AUDIO PARAMETERS
Granted: November 14, 2024
Application Number:
20240378014
A method of controlling headphones having external microphone signal pass-through functionality may involve controlling a display to present a geometric shape on the display and receiving an indication of digit motion from a sensor system associated with the display. The sensor system may include a touch sensor system or a gesture sensor system. The indication may be an indication of a direction of digit motion relative to the display. The method may involve controlling the display to…
A METHOD OF PROCESSING AUDIO FOR PLAYBACK OF IMMERSIVE AUDIO
Granted: November 7, 2024
Application Number:
20240373184
A method (200) of processing audio in an immersive audio format comprising at least one height audio channel, comprising: obtaining (250) two height audio signals from at least a portion of the at least one height audio channel: modifying (270) a relative phase between the two height audio signals in frequency bands in which phase differences are predominantly out of phase to obtain two phase modified height audio signals: and playing back (290) the processed audio comprising the two…
SYSTEM AND METHOD OF DIGITAL WATERMARKING
Granted: November 7, 2024
Application Number:
20240370964
A digital watermarking method including receiving, by an electronic processor, an original image signal containing a series of original visual images, where the original image signal encoded uses a perceptual quantizer (PQ) luminance level encoding transfer function resulting in PQ luminance steps within the original image signal, and where the PQ luminance steps have varying sizes across a luminance range. The method further includes receiving, by the electronic processor, a watermark…
METHOD AND SYSTEM FOR PICTURE SEGMENTATION USING COLUMNS
Granted: October 31, 2024
Application Number:
20240364894
Described is picture segmentation through columns and slices in video encoding and decoding. A video picture is divided into a plurality of columns, each column covering only a part of the video picture in a horizontal dimension. All coded tree blocks (“CTBs”) belonging to a slice may belong to one or more columns. The columns may be used to break the same or different prediction or in-loop filtering mechanisms of the video coding, and the CTB scan order used for encoding and/or…
SPEECH ENHANCEMENT
Granted: October 31, 2024
Application Number:
20240363131
A method for dereverberating audio signals is provided. In some implementations, the method involves obtaining a real acoustic impulse response (AIR); identifying a first portion of the real AIR corresponding to early reflections of a direct sound and a second portion of the real AIR that corresponding to late reflections of the direct sound; generating one or more synthesized AIRs by modifying the first portion of the real AIR and/or the second portion of the real AIR; and using the…
METHOD AND APPARATUS FOR METADATA-BASED DYNAMIC PROCESSING OF AUDIO DATA
Granted: October 24, 2024
Application Number:
20240355338
Described herein is a method of metadata-based dynamic processing of audio data for playback, the method including: receiving, by a decoder, a bitstream including audio data and metadata for dynamic loudness adjustment; decoding, by the decoder, the audio data and the metadata to obtain decoded audio data and the metadata; determining, by the decoder, from the metadata, one or more processing parameters for dynamic loudness adjustment based on a playback condition; applying the…
SOURCE COLOR VOLUME INFORMATION MESSAGING
Granted: October 24, 2024
Application Number:
20240357183
Methods are described to communicate source color volume information in a coded bitstream using SEI messaging. Such data include at least the minimum, maximum, and average luminance values in the source data plus optional data that may include the color volume x and y chromaticity coordinates for the input color primaries (e.g., red, green, and blue) of the source data, and the color x and y chromaticity coordinates for the color primaries corresponding to the minimum, average, and…
TRANSMISSION OF VOLUMETRIC IMAGES IN MULTIPLANE IMAGING FORMAT
Granted: October 24, 2024
Application Number:
20240357181
Methods and apparatus for transmission of volumetric images in the MPI format. According to an example embodiment, texture and alpha layers of multiplane images are packed, as tiles, into a sequence of video frames. The sequence of video frames is then compressed to generate a video bitstream, which is transmitted together with a metadata bitstream specifying at least the parameters of the packing arrangement for the tiles in the sequence of video frames. Example packing arrangements…
MULTI-LEVEL LATENT FUSION IN NEURAL NETWORKS FOR IMAGE AND VIDEO CODING
Granted: October 24, 2024
Application Number:
20240357112
Methods, systems, and bitstream syntax are described for the fusion of latent features in multi-level, end-to-end, neural networks used in image and video compression. The fused architecture may be static or dynamic based on image characteristics (e.g., natural images versus screen content images) or other coding parameters, such as bitrate constrains or rate-distortion optimization. A variety of multi-level fusion architectures are discussed.
DETECTING ENVIRONMENTAL NOISE IN USER-GENERATED CONTENT
Granted: October 24, 2024
Application Number:
20240355348
A method of audio processing includes classifying an audio signal as noise or as non-noise using a first model. For a noise signal. the audio signal is classified as user-generated content (UGC) noise or as professionally-generated content (PGC) noise using a second model. For a non-noise signal or PGC noise. the audio signal is processed using a first audio processing process. For UGC noise. the audio signal is processed using a second audio processing process.
NEURAL NETWORKS FOR PRECISION RENDERING IN DISPLAY MANAGEMENT
Granted: October 24, 2024
Application Number:
20240354914
Methods and systems for precision rendering in display mapping using neural networks are described. Given an intensity input image, a sequence of neural networks comprising a pyramid-halving sub-network, a pyramid down-sampling sub-network, a pyramid-up-sampling sub-network, and a final-layer generation sub-network generate a base layer image and a detail layer image to be used in display mapping.
SYSTEM AND METHOD FOR ADAPTIVE AUDIO SIGNAL GENERATION, CODING AND RENDERING
Granted: October 17, 2024
Application Number:
20240349010
Embodiments are described for an adaptive audio system that processes audio data comprising a number of independent monophonic audio streams. One or more of the streams has associated with it metadata that specifies whether the stream is a channel-based or object-based stream. Channel-based streams have rendering information encoded by means of channel name; and the object-based streams have location information encoded through location expressions encoded in the associated metadata. A…
MULTISOURCE MEDIA DELIVERY SYSTEMS AND METHODS
Granted: October 17, 2024
Application Number:
20240348891
A method for delivering media content to one or more clients over a distributed system is disclosed. The method may include generating a plurality of network-coded symbols from a plurality of original symbols representing a first media asset. The method may further include generating an original plurality of coded variants of the first media asset. The method may further include distributing a first coded variant of the original plurality of coded variants to a first cache on a first…
METHODS AND DEVICES FOR GENERATING OR DECODING A BITSTREAM COMPRISING IMMERSIVE AUDIO SIGNALS
Granted: October 17, 2024
Application Number:
20240347069
The present document describes a method for generating a bitstream, wherein the bitstream comprises a sequence of superframes for a sequence of frames of an immersive audio signal. The method comprises, repeatedly for the sequence of superframes, inserting coded audio data for one or more frames of one or more downmix channel signals derived from the immersive audio signal, into data fields of a superframe; and inserting metadata for reconstructing one or more frames of the immersive…
DIRECTED INTERPOLATION AND DATA POST-PROCESSING
Granted: October 10, 2024
Application Number:
20240340465
An encoding device evaluates a plurality of processing and/or post-processing algorithms and/or methods to be applied to a video stream, and signals a selected method, algorithm, class or category of methods/algorithms either in an encoded bitstream or as side information related to the encoded bitstream. A decoding device or post-processor utilizes the signaled algorithm or selects an algorithm/method based on the signaled method or algorithm. The selection is based, for example, on…
METHOD AND SYSTEM FOR PROVIDING MEDIA CONTENT TO A CLIENT
Granted: October 10, 2024
Application Number:
20240340356
A method for providing media content within a media distribution network. The method comprises transforming source media content into an interim format, thereby providing transformed content. Furthermore, the method comprises storing the transformed content on at least one core storage unit. In addition, the method comprises receiving a request for the source media content from a client. The method further comprises encoding the transformed content or intermediate coded content derived…
METHODS AND DEVICES FOR CONTROLLING ACCESS TO A SOFTWARE ASSET
Granted: October 10, 2024
Application Number:
20240338426
The present document describes a method (900) for controlling access to a software asset of a software program, which is executed on an electronic device (110). The method (900) comprises, on one or more software provider servers (120), receiving (902) a request for authentication from a service provider server (210); upon successful authentication, providing (904) an authentication token to the service provider server (210); receiving (906) a request for a feature access token from the…
HIGH PERFORMANCE MULTI SPECTRAL COATED FREEFORM OPTICAL ELEMENTS
Granted: October 3, 2024
Application Number:
20240326363
A glass part to be made into a two-part freeform optical element is received. The glass part includes a precision freeform surface in a first specific spatial shape and a to-be-corrected surface. A non-glass material layer is added onto the to-be-corrected surface of the glass part to produce an accurate second surface in a second specific spatial shape. An optical coating is applied to the precision freeform surface of the glass part in the two-part freeform optical element.
HEADPHONE RENDERING METADATA-PRESERVING SPATIAL CODING
Granted: October 3, 2024
Application Number:
20240334146
Systems and methods for preserving headphone rendering mode (HRM) in object clustering are described. In an embodiment, an object-based audio data processing system includes a processor configured to receive a plurality of audio objects, wherein an audio object of the plurality of audio objects is associated with respective object metadata that indicates respective spatial position information and an HRM; determine a plurality of cluster positions by applying an extended hybrid distance…
TRANSFORMING AUDIO SIGNALS CAPTURED IN DIFFERENT FORMATS INTO A REDUCED NUMBER OF FORMATS FOR SIMPLIFYING ENCODING AND DECODING OPERATIONS
Granted: October 3, 2024
Application Number:
20240331708
The disclosed embodiments enable converting audio signals captured in various formats by various capture devices into a limited number of formats that can be processed by an audio codec (e.g., an Immersive Voice and Audio Services (IVAS) codec). In an embodiment, a simplification unit of the audio device receives an audio signal captured by one or more audio capture devices coupled to the audio device. The simplification unit determines whether the audio signal is in a format that is…
