The invention provides a sound source positioning method and device based on a microphone array, computer equipment and a computer readable storage medium. The microphone array comprises two microphone sub-arrays. In the positioning process, firstly, a corresponding sub-array coordinate system is established for each microphone sub-array, and a common corresponding common coordinate system is established; then, preprocessed sound signals are calculated by using an SRP-PHAT algorithm to obtain direction vectors respectively corresponding to a sound source in each sub-array coordinate system; and finally, each direction vector is normalized into the common coordinate system, and calculation is performed to obtain a position coordinate of the sound source in the common coordinate system. In the process, a common distance measurement method can be eliminated, so that the angle measurement and the distance measurement of the sound source are carried out at the same time, the miscorrespondence of a sound source angle and a sound source distance due to time delay is effectively avoided, and the sound source positioning accuracy is effectively improved.

Sound source positioning method and device based on microphone array and computer equipment

An information processing method and an electronic device. The method comprises: receiving first information, which is input into a first input box by a user (101); and in the case where the first information does not match the first input box, displaying a second input box, wherein the second input box comprises some or all of the first information (102).

Information processing method and electronic device

An information processing method and an electronic device. The method comprises: when an identification area comprises N graphic codes, separating M graphic codes in the N graphic codes respectively (101); identifying the M separated graphic codes respectively (102); and performing an operation corresponding to a target graphic code in the M graphic codes (103); wherein, N is an integer greater than 1, M is a positive integer, and M≤N. By means of the method, when there are a plurality of graphic codes, the electronic device can identify the target graphic code to prevent false identification.

The invention discloses an information display method and electronic equipment, and relates to the technical field of information processing. The method comprises the following steps: receiving and responding to a first input, copying and caching the target information to be displayed into a temporary folder; then displaying the target information in the temporary folder, quitting the interface for displaying the target information under the condition of receiving and responding to the second input, deleting the target information, so that the problem of privacy information leakage possibly occurring in the target information display process can be effectively avoided.

Information display method and electronic equipment

The invention discloses an information processing method and electronic equipment. The information processing method comprises the steps: obtaining the first position information of at least one target sound source in a first coordinate system based on the collected environment sound data, and enabling the first coordinate system to be a coordinate system which is constructed based on a pluralityof audio collection units and is used for indicating the position of a sound source; converting the first position information into second position information corresponding to the second coordinate system based on a preset conversion relationship between the first coordinate system and the second coordinate system, wherein the second coordinate system is a coordinate system which is constructed by a display device of the electronic equipment and is used for indicating a space scene; and based on the second position information, displaying identification information related to the target soundsource on the display device to identify the position of the target sound source, so that the deaf user can be helped to indicate the position of the sound source in the environment where the deaf user is located, and the life quality of the crowd is improved.

Information processing method and electronic equipment

The invention provides a method for determining a display area, and the method comprises the steps: obtaining an environment image in a visual angle range of a user, and determining the brightness information of the environment image; acquiring space information in a user visual angle range; dividing the space in the viewing angle range of the user based on the brightness information and the spaceinformation of the environment image to obtain at least two space areas; determining whether each spatial region in the at least two spatial regions meets a preset brightness condition, and taking the spatial region meeting the preset brightness condition as a target spatial region for displaying the virtual image; and displaying the virtual image in the target space area. The invention further provides a device for determining the display area, a computer system and a computer readable storage medium.

Method and device for determining display area, computer system and readable storage medium

The embodiment of the invention provides an off-axis reflection type optical system and electronic equipment. A curved image source and a free-form surface mirror are disposed in the off-axis reflective optical system. The curved-surface image source is composed of an optical scanning assembly and a curved-surface screen, and the optical scanning assembly forms a curved image on the curved screenby light beam scanning. Compared with a traditional plane image source, a larger degree of freedom can be obtained; a light beam generated by the curved image source is reflected by the free-form surface reflector, a larger exit pupil can be obtained; and the imaging quality of the whole off-axis reflection type optical system is improved.

Off-axis reflective optical system and electronic equipment

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Information processing method and electronic equipment

Method and device for determining display area, computer system and readable storage medium

Off-axis reflective optical system and electronic equipment