Patent classifications
H04S7/30
MULTIBAND LIMITER MODES AND NOISE COMPENSATION METHODS
Some implementations involve receiving a content stream that includes audio data, receiving at least one type of level adjustment indication relating to playback of the audio data and controlling a level of the input audio data, based on the at least one type of level adjustment indication, to produce level-adjusted audio data. Some examples involve determining, based at least in part on the type(s) of level adjustment indication, a multiband limiter configuration, applying the multiband limiter to the level-adjusted audio data, to produce multiband limited audio data and providing the multiband limited audio data to one or more audio reproduction transducers of an audio environment.
Acoustic radiation reproduction
A method of producing an acoustic radiation pattern, the method comprising receiving an input audio signal representing a first acoustic radiation pattern, generating an acoustic monopole and an acoustic dipole based on the input audio signal, wherein generating the acoustic monopole and the acoustic dipole is to produce a second acoustic radiation pattern substantially similar to the first acoustic radiation pattern.
Apparatus, method and computer program for obtaining audio signals
An apparatus, electronic device, method and computer program wherein the apparatus includes: processing circuitry; and memory circuitry including computer program code, the memory circuitry and the computer program code configured to, with the processing circuitry, enable the apparatus to perform: obtaining spatial information relating to a captured sound field from a first set of microphones; obtaining one or more signals from a second set of microphones where the one or more signals relate to the captured sound field; and using the obtained spatial information from the first set of microphones to process the one or more signals obtained from the second set of microphones; wherein the first set of microphones is provided within an electronic device and the second set of microphones is provided external to the electronic device.
IN-VEHICLE VIRTUAL SOUNDSCAPE METHOD, SYSTEM AND DEVICE
The present disclosure discloses an in-vehicle virtual soundscape method, a virtual soundscape is arranged in the automobile, the virtual soundscape is a sound scenario of a target environment created acoustically in the automobile, the method comprises the following steps: S1, processing a specific program material signal by means of a preset algorithm, and generating an audio signal; and S2, playing a sound in the audio signal by means of the virtual soundscape, the specific program material signal being a multi-track dry sound recorded for real representation of an acoustic scenario of the target environment. The present disclosure further discloses an in-vehicle virtual soundscape system including a vehicle-mounted information entertainment module, a multi-channel audio link module, a processor module, an audio drive module, and a multi-channel speaker which are connected in sequence. Compared with the related art, the user experience of the technical solutions of the present invention is good.
Jackpot machine with surround audio
A jackpot machine with surround audio is provided. The jackpot machine includes a processor to process at least one audio to generate at least one 3D surround audio, a sending means to send the generated at least one 3D surround audio to a headphone worn by a player, and a display showing at least one graphical representation of a prize. The at least one graphical representation of the prize is associated with the at least one audio, and is perceived by the player to audibly and visually move around the player in accordance with the generated at least one 3D surround audio and the at least one graphical representation of the prize shown on the display respectively.
METHOD FOR PROCESSING AN AUDIO SIGNAL, SIGNAL PROCESSING UNIT, BINAURAL RENDERER, AUDIO ENCODER AND AUDIO DECODER
A method for processing an audio signal in accordance with a room impulse response is described. The audio signal is processed with an early part of the room impulse response separate from a late reverberation of the room impulse response, wherein the processing of the late reverberation has generating a scaled reverberated signal, the scaling being dependent on the audio signal. The processed early part of the audio signal and the scaled reverberated signal are combined.
Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension
An audio decoder for providing at least four bandwidth-extended channel signals on the basis of an encoded representation provides first and second downmix signals on the basis of a jointly encoded representation of the first and second downmix signals using a multi-channel decoding and provides at least first and second audio channel signals on the basis of the first downmix signal using a multi-channel decoding, and provides at least third and fourth audio channel signals on the basis of the second downmix signal using a multi-channel decoding. It performs a multi-channel bandwidth extension on the basis of the first and third audio channel signals, to obtain first and third bandwidth-extended channel signals, and performs a multi-channel bandwidth extension on the basis of the second and fourth audio channel signals, to obtain second and fourth bandwidth extended channel signals. An audio encoder uses a related concept.
Control Point Manipulation Techniques in Haptic Systems
A method for blending new control points into the field is described. A more costly but conceptually simpler method, measuring the extant field and recreating a copy of that field interpolated with the actually desired value at a new control point is first described. Further, traditionally predicting the output of phased array systems involves taking each element and evaluating its contribution to the field. When focusing phased arrays, predicting the output and the fringing field is necessary for multipoint focusing and acoustic cloaking applications. In the limit of a large enough number of discrete transducer elements, the evaluation of a single approximation will inevitably outperform even a linear summation over the linear acoustic properties of the elements. Further, to resolve the misalignment of expected and realized output of the mid-air haptic array, interactable objects are subdivided into customizable, uniform, intersection “regions” that are then used to compute a volume of 3D positions in which the haptic focal point is then moved between. Positions can be produced and assigned in different ways, and volumes can be produced from any object as long as they have their regions pre-computed. Rather than directly targeting the hand of the user, the virtual intersection of the hand are used and these regions create a generally larger volume in which mid-air haptics can be produced.
Multichannel audio enhancement, decoding, and rendering in response to feedback
In some embodiments, a method for performing at least one of enhancement, decoding, or rendering of a multichannel audio signal in response to compression feedback or feedback from a smart amplifier. For example, the compression feedback may be indicative of amount of compression applied to each of multiple frequency bands, of the audio signal or an enhanced audio signal generated in response thereto. The enhancement (e.g., bass enhancement) may include dynamic routing of audio content of the input audio signal between channels of an enhanced audio signal generated in response thereto. The enhancement and compression may be performed on a per speaker class basis. Other aspects are systems (e.g., programmed processors) and devices (e.g., devices having physically-limited bass reproduction capabilities, such as, for example, a notebook or laptop computer, tablet, soundbar, mobile phone, or other device with small speakers) configured to perform any embodiment of the method.
Streaming binaural audio from a cloud spatial audio processing system to a mobile station for playback on a personal audio delivery device
Spatial audio is received from an audio server over a first communication link. The spatial audio is converted by a cloud spatial audio processing system into binaural audio. The binauralized audio is streamed from the cloud spatial audio processing system to a mobile station over a second communication link to cause the mobile station to play the binaural audio on the personal audio delivery device.