Abstract: A sound transmission method. The sound transmission method includes: according to a plurality of rays emitted to the periphery with an sound source as a center, determining an intersection point set of the plurality of rays and a wall of a building; estimating an sound transmission model of the building according to the intersection point set; and, by means of the sound transmission model, estimating a transmission condition in the wall of the sound emitted by the acoustic source. Also disclosed are a sound transmission apparatus, a non-volatile computer-readable storage medium, a computer program, and a computer program product.

Abstract: The present disclosure relates to an audio rendering method, an audio rendering device, and an electronic device. The audio rendering method comprises: acquiring scene-related audio metadata, the scene-related audio metadata comprising related information of a sound propagation path between a sound source and a listener; determining a parameter for audio rendering on the basis of the scene-related audio metadata, the parameter for audio rendering comprising an energy attenuation coefficient for each sound propagation path: performing spatial encoding on an audio signal of the sound source on the basis of the parameter for audio rendering to obtain an encoded audio signal; and performing spatial decoding on the encoded audio signal to obtain a decoded audio signal for audio rendering.

Abstract: The present disclosure relates to an audio rendering method, comprising obtaining audio metadata, the audio metadata including acoustic environment information; setting parameters for audio rendering according to the acoustic environment information, the parameters for audio rendering including acoustic information of an approximately rectangular parallelepiped room scene; and rendering an audio signal according to the parameters for audio rendering.

Abstract: The present disclosure relates to the technical field of data processing, and relates to an audio signal processing method and apparatus. The processing method includes: acquiring first audio metadata of an audio signal in an ADM, the first audio metadata corresponding to a first metadata part; acquiring second audio metadata of an audio signal that does not exist in the ADM, the second audio metadata corresponding to a second metadata part; and performing audio rendering on the audio signal according to the first metadata part and the second metadata part.

Abstract: The present disclosure relates to a method for spatial audio rendering. The method comprises: on the basis of metadata, determining a parameter for spatial audio rendering, wherein the metadata comprises at least some information among acoustic environment information, listener spatial information and sound source spatial information, and the parameter for spatial audio rendering indicates a characteristic of sound propagation in a scene in which a listener is located; on the basis of the parameter for spatial audio rendering, processing an audio signal of a sound source, so as to obtain an encoded audio signal; and performing spatial decoding on the encoded audio signal, so as to obtain a decoded audio signal.

Abstract: The present disclosure relates to a signal processing method and apparatus for audio rendering, and an electronic device. The signal processing method for audio rendering comprises: acquiring a response signal set, the response signal set comprising response signals derived from sound signals, wherein the sound signals are signals received at a listening position; and on the basis of perceptual characteristics related to the response signals, processing the response signals in the response signal set to obtain response signals suitable for audio rendering, wherein the number of the response signals suitable for audio rendering is less than or equal to the number of the response signals in the response signal set.

Abstract: The present disclosure relates to the field of audio signal processing, and to an audio signal rendering method and apparatus, and an electronic device. The rendering method includes: estimating a reverberation time of an audio signal on each time point among a plurality of time points; and performing rendering processing on the audio signal according to the reverberation time of the audio signal.

Abstract: An audio rendering system and method and an electronic apparatus. Provided is an audio coding method for audio rendering. The method includes: an acquisition step, which is used for acquiring an audio signal in a specific audio content format, and metadata-related information associated with the audio signal in the specific audio content format; and a coding step, which is used for performing, on the basis of the metadata-related information associated with the audio signal in the specific audio content format, spatial coding on the audio signal in the specific audio content format, so as to obtain a coded audio signal.

Abstract: The present invention relates to an audio rendering system and method and an electronic apparatus. The audio rendering system comprises: an audio signal encoding module, configured to for an audio signal in a specific audio content format, performing spatial encoding on the audio signal in the specific audio content format on the basis of metadata related information associated with the audio signal in the specific audio content format to obtain an encoded audio signal; and an audio signal decoding module, configured to performing spatial decoding on the encoded audio signal to obtain a decoded audio signal for audio rendering.

Abstract: A mounting device for directly bonding brackets to the tooth surface includes a tray and a mounting rack. Each mounting rack is used for mounting a bracket, and the mounting rack includes a support and a positioning clamp. The tray is used as the support base for installing the mounting rack. The support is used as the fixed supporting part, with one end connected and fixed to the lingual or lip side of the tray. The positioning clamp is used as the rotating part to connect with the bracket and adjust the position of the bracket. The positioning clamp includes a damping rotation shaft, the damping rotation shaft matches with the support, the positioning clamp rotates around the support through the damping rotation shaft, and the support and the tray adopt an integrally formed structure or detachable structure.

Abstract: A mounting device for directly bonding brackets to the tooth surface includes a tray and a mounting rack. Each mounting rack is used for mounting a bracket, and the mounting rack includes a support and a positioning clamp. The tray is used as the support base for installing the mounting rack. The support is used as the fixed supporting part, with one end connected and fixed to the lingual or lip side of the tray. The positioning clamp is used as the rotating part to connect with the bracket and adjust the position of the bracket. The positioning clamp includes a damping rotation shaft, the damping rotation shaft matches with the support, the positioning clamp rotates around the support through the damping rotation shaft, and the support and the tray adopt an integrally formed structure or detachable structure.