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US 12,706,099 B2Granted
Audio rendering system and method and electronic device
AssigneeBeijing Zitiao Network Technology Co., Ltd.
InventorsJunjie Shi, Chuanzeng Huang, Xuzhou Ye, Zhengpu Zhang, Derong Liu
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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.
Claims18
An audio rendering system, comprising:
- an audio information processing module configured to acquire relevant parameters of an audio signal in a specific audio content format based on metadata associated with the audio signal in the specific audio content format, wherein the audio signal in the specific audio content format comprises at least one of an object-based audio representation signal, a scene-based audio representation signal, or a channel-based audio representation signal;
- an audio signal spatial encoding module configured to spatially encode the audio signal in the specific audio content format based on the relevant parameters of the audio signal in the specific audio content format to obtain a spatially encoded audio signal in a common spatial format, wherein the spatially encoded audio signal is an Ambisonics type of audio signal,
- wherein the audio signal spatial encoding module is further configured to in response to the audio signal in the specific audio content format comprising the object-based audio representation signal, spatially encode the object-based audio representation signal based on spatial attribute information in relevant parameters of the object-based audio representation signal, wherein the spatial attribute information of the object-based audio representation signal comprises information related to a spatial propagation path of a sound object of the audio signal to a listener, which comprises at least one of propagation duration, propagation distance, azimuth information, path energy intensity and nodes along the way of the spatial propagation path of the sound object to the listener;
- and
- an audio signal decoding module configured to spatially decode the encoded audio signal to obtain a decoded audio signal for audio rendering.
2 more elements
An audio rendering method, comprising:
- an audio information processing step of acquiring relevant parameters of an audio signal in a specific audio content format based on metadata associated with the audio signal in the specific audio content format, wherein the audio signal in the specific audio content format comprises at least one of an object-based audio representation signal, a scene-based audio representation signal, or a channel-based audio representation signal;
- an audio signal encoding step of spatially encoding the audio signal in the specific audio content format based on the relevant parameters of the audio signal in the specific audio content format to obtain a spatially encoded audio signal in a common spatial format, wherein the spatially encoded audio signal is an Ambisonics type of audio signal,
- wherein the audio signal encoding step further comprises, in response to the audio signal in the specific audio content format comprising the object-based audio representation signal, spatially encoding the object-based audio representation signal based on spatial attribute information in relevant parameters of the object-based audio representation signal, wherein the spatial attribute information of the object-based audio representation signal comprises information related to a spatial propagation path of a sound object of the audio signal to a listener, which comprises at least one of propagation duration, propagation distance, azimuth information, path energy intensity and nodes along the way of the spatial propagation path of the sound object to the listener;
- and
- an audio signal decoding step of spatially decoding the encoded audio signal to obtain a decoded audio signal for audio rendering.
2 more elements
An electronic apparatus, comprising:
- a memory, and
- a processor coupled to the memory;
- the processor is configured to, based on instructions stored in the memory, execute the following steps:
- an audio information processing step of acquiring relevant parameters of an audio signal in a specific audio content format based on metadata associated with the audio signal in the specific audio content format, wherein the audio signal in the specific audio content format comprises at least one of an object-based audio representation signal, a scene-based audio representation signal, or a channel-based audio representation signal;
- an audio signal encoding step of spatially encoding the audio signal in the specific audio content format based on the relevant parameters of the audio signal in the specific audio content format to obtain a spatially encoded audio signal in a common spatial format, wherein the spatially encoded audio signal is an Ambisonics type of audio signal,
- wherein the audio signal encoding step further comprises, in response to the audio signal in the specific audio content format comprising the object-based audio representation signal, spatially encoding the object-based audio representation signal based on spatial attribute information in relevant parameters of the object-based audio representation signal, wherein the spatial attribute information of the object-based audio representation signal comprises information related to a spatial propagation path of a sound object of the audio signal to a listener, which comprises at least one of propagation duration, propagation distance, azimuth information, path energy intensity and nodes along the way of the spatial propagation path of the sound object to the listener;
- and
- an audio signal decoding step of spatially decoding the encoded audio signal to obtain a decoded audio signal for audio rendering.
5 more elements
Dependencies are inferred from the claim text.