Sound field reconstruction method, device, equipment and storage medium
A sound field reconstruction and signal reconstruction technology, which is applied to the layout of speaker shells, stereo systems, and spatial/structural arrangements of speakers, etc., can solve the problems of poor reconstruction effect and low reconstruction accuracy
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no. 1 example
[0056] see figure 1 , which shows a schematic flowchart of the sound field reconstruction method provided by the embodiment of the present application, the method may include:
[0057] Step S101: Obtain the sound signal collected by the microphone set in the target area as the target sound signal.
[0058] Wherein, the target area is a sound field reconstruction area in a designated space, and the sound field reconstruction area is an area where sound field reconstruction is required. It should be noted that there may be one sound field reconstruction area or multiple sound field reconstruction areas in the designated space, when there are multiple sound field reconstruction areas in the designated space.
[0059] In this embodiment, a microphone (either a single microphone or a microphone array) may be set in the target area to collect signals through the microphones set in the target area, and the signals collected by the microphones set in the target area may be used as ta...
no. 2 example
[0086] It can be understood that the key to realizing sound field reconstruction is to determine the distribution weight of the first sound source signal on each speaker, and the distribution weight of the first sound source signal on each speaker is predicted by a pre-established weight prediction model , this embodiment focuses on the introduction of the process of establishing a weight prediction model.
[0087] As mentioned in the above-mentioned embodiment, the weight prediction model is trained by using the training sound signal corresponding to the sound field reconstruction area in the specified space. Before introducing the process of establishing the weight prediction model, firstly, the process of obtaining the training sound signal corresponding to the sound field reconstruction area Make an introduction.
[0088] There are many ways to obtain the training sound signal corresponding to the sound field reconstruction area, please refer to image 3 , which shows a s...
no. 3 example
[0130] The embodiment of the present application also provides a sound field reconstruction device. The sound field reconstruction device provided by the embodiment of the present application is described below. The sound field reconstruction device described below and the sound field reconstruction method described above can be referred to in correspondence.
[0131] see Image 6 , shows a schematic structural diagram of the sound field reconstruction device provided by the embodiment of the present application, which may include: a signal acquisition module 601 , a weight prediction module 602 and a sound field reconstruction module 603 .
[0132] The signal acquisition module 601 is configured to acquire the sound signal collected by the microphone set in the target area as the target sound signal, wherein the target area is an acoustic field reconstruction area in a designated space where multiple loudspeakers are arranged.
[0133] The weight prediction module 602 is conf...
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