WO2016078415A1

WO2016078415A1 - Terminal acoustic pickup control method, terminal and terminal acoustic pickup control system

Info

Publication number: WO2016078415A1
Application number: PCT/CN2015/082973
Authority: WO
Inventors: 刘兆艳
Original assignee: 中兴通讯股份有限公司
Priority date: 2014-11-18
Filing date: 2015-06-30
Publication date: 2016-05-26
Also published as: CN105681939A

Abstract

Disclosed are a terminal acoustic pickup method, a terminal and a terminal acoustic pickup control system, the method comprising: acquiring a speaking location of a current speaker (S201); calculating a rotating parameter according to the speaking location (S202); and utilizing the rotating parameter to control a rotating device to rotate the terminal to pick up the sound of the current speaker (S203). The terminal (1), after acquiring the speaking location of the current speaker, calculates the rotating parameter required to rotate the terminal (1) to face in the direction of the speaker, the rotating parameter is utilized to control the rotating device (2), which works in cooperation with the terminal (1), to execute a rotating operation, the terminal (1) is rotated to face in the direction of the speaker to pick up the sound of the speaker, and in this way, the terminal can realize the effect of automatically tracking the speaker without manual rotation of the terminal equipment by either people responsible for meeting record or interviewers, thereby improving user experience.

Description

Terminal pickup control method, terminal and terminal pickup control system

Technical field

This paper relates to the field of terminal pickup, and in particular to a terminal pickup control method, a terminal and a terminal pickup control system.

Background technique

In the meeting record/interview, in order to highlight the voice of the presenter (or the interviewer/interviewee), eliminate the remaining sources of interference, and noise such as reverberation, the main microphone (such as a microphone) in the terminal needs to face the speech. The current practice is that the recording staff will switch the microphone between different presenters during the interview (the interviewer will switch the microphone between himself and the interviewee during the interview) to achieve the tracking of the presenter. The operation is inconvenient and reduces the user experience.

Therefore, how to provide a terminal sound collection control method that can improve the user experience is a technical problem to be solved by those skilled in the art.

Summary of the invention

The embodiment of the invention provides a terminal sound collection control method, a terminal and a terminal sound collection control system, which can improve the user experience.

An embodiment of the present invention provides a terminal sound collection control method, including: acquiring a current speaker's speaking position; calculating a rotation parameter according to the speaking position; and using the rotation parameter to control the rotation device to rotate the terminal to pick up the current speaker.

Optionally, wherein the rotation parameter comprises a rotation direction and a rotation angle; and the step of calculating the rotation parameter according to the speaking position comprises: acquiring a pickup direction of the terminal main microphone, determining a rotation direction according to the pickup direction and the speaking position, according to the pickup The direction of rotation, the position of the speech, and the axis of rotation of the terminal calculate the angle of rotation.

Optionally, wherein the step of acquiring the speaking position of the current speaker comprises determining the speaking position by using the microphone array.

Optionally, wherein the microphone array comprises more than two directional microphones; The step of determining the speaking position by the sounder array comprises: collecting the initial sounds in different directions by using the directional microphone, processing the initial sound to determine the current speaker, and determining the speaking position of the current speaker according to the signal difference value of the current speaker's voice in the initial sound. .

Optionally, the manner of obtaining the speaking position of the current speaker includes: acquiring the speaking position of the current speaker periodically or in real time.

The embodiment of the invention further provides a terminal, including:

Obtaining a module, set to obtain a speech position of the current speaker;

a calculation module configured to calculate a rotation parameter according to the speaking position;

The control module is configured to control the rotation of the rotating device by using the rotation parameter to pick up the current speaker.

Optionally, wherein the rotation parameter comprises a rotation direction and a rotation angle; the calculation module is configured to acquire a pickup direction of the terminal main microphone, determine a rotation direction according to the pickup direction and the speaking position, and speak according to the pickup direction The position and the terminal rotation axis calculate the rotation angle.

Optionally, the terminal further includes an array of microphones, the acquisition module being configured to determine a speaking position using the array of microphones.

Optionally, wherein the microphone array comprises more than two directional microphones; the acquisition module is configured to collect initial sounds in different directions by using a directional microphone, and the initial sound is processed to determine the current speaker, according to the current speaker. The difference in signal value of the speech in the initial sound determines the speech position of the current speaker.

Optionally, wherein the obtaining module is configured to acquire a speaking position of the current speaker periodically or in real time.

The embodiment of the invention provides a terminal sound collection control system, which comprises a rotation device and a terminal provided by an embodiment of the invention, and the rotation device is arranged to rotate the terminal under the control of the terminal.

The embodiment of the present invention further provides a computer readable storage medium, where the storage medium stores a computer program, where the computer program includes program instructions, when the program instruction is executed by the terminal device, enabling the device to perform the terminal pickup described above. Control Method.

Advantageous effects of embodiments of the present invention:

According to the solution provided by the embodiment of the present invention, after acquiring the speaking position of the current speaker, the terminal calculates the rotation parameter required to rotate the terminal in the direction of the speaker, and uses the rotation parameter to control the rotation device matched with the terminal. Rotate the operation to rotate the terminal to the direction of the speaker to pick up the speaker, so that the terminal can automatically track the effect of the presenter, instead of requiring the conference recorder or interviewer to manually rotate the terminal device, enhancing The user experience.

BRIEF abstract

1 is a schematic diagram of a terminal pickup control system according to a first embodiment of the present invention;

2 is a flowchart of a terminal pickup control method according to a second embodiment of the present invention;

FIG. 3 is a flowchart of a terminal pickup control method according to a third embodiment of the present invention.

Preferred embodiment of the invention

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the features in the embodiments and the embodiments in the present application may be arbitrarily combined with each other. Additionally, although logical sequences are shown in the flowcharts, in some cases the steps shown or described may be performed in a different order than the ones described herein.

First embodiment:

1 is a schematic diagram of a terminal pickup control system according to a first embodiment of the present invention. As shown in FIG. 1, the terminal pickup control system includes: a terminal 1 and a rotation device 2, wherein

The terminal 1 is configured to acquire the speaking position of the current speaker, calculate the rotation parameter according to the speaking position, and use the rotation parameter to control the rotating device 2 to rotate the terminal to pick up the current speaker; the terminal involved in the present application refers to having the speaker positioning function and recording Functional terminals, such as most current smart phones, intelligent voice collection devices, etc., the speaker positioning function can be realized by the hardware/software of the terminal 1 itself, or can be implemented by other external devices;

The rotating device 2 is used for rotating the terminal 1 under the control of the terminal 1; the rotating device 2 and the terminal 1 according to the present application are connected by a data line or wireless (Bluetooth, etc.) to complete the receiving and executing of the rotation parameters, such as a motor shaft. Brackets, etc., which can be powered by themselves or from external devices (eg Get energy from mobile phones, external power supplies, etc.

In some embodiments, as shown in FIG. 1, the terminal 1 provided by the present invention includes an obtaining module 11, a calculating module 12, and a control module 13, wherein

The obtaining module 11 is adapted to obtain a speaking position of the current speaker;

The calculation module 12 is adapted to calculate a rotation parameter according to the speaking position;

The control module 13 is adapted to control the rotation of the rotating device by the rotation parameter to pick up the current speaker.

In some embodiments, the rotation parameter in the embodiment shown in FIG. 1 includes a rotation direction and a rotation angle; and the calculation module 12 is specifically adapted to acquire a pickup direction of the terminal main microphone (such as a pickup axis of the main microphone, etc.), according to the pickup. The direction of the sound and the position of the speech determine the direction of rotation (eg, turn left, turn right, etc.), and calculate the angle of rotation based on the direction of the pickup, the position of the speech, and the axis of rotation of the terminal (a value that can be controlled by controlling the rate of rotation and the time of rotation of the motor) achieve).

In some embodiments, as shown in FIG. 1, the terminal 1 further includes a microphone array 14, and the acquisition module 11 is specifically adapted to determine a speech position using the microphone array 14; the microphone array 14 refers to two or more microphones according to a predetermined rule. Arranging, the position of the current speaker can be determined, and the predetermined rule involved in the embodiment is achievable in the prior art. For example, when the microphone array 14 includes two microphones, it only needs to be disposed on both sides of the central axis of the terminal. That is, the more the number of microphones, the lower the requirements for setting the position, and the more accurate the positioning of the speaker.

In some embodiments, the microphone array 14 in the embodiment shown in FIG. 1 includes more than two directional microphones 141 (FIG. 1 exemplarily shows the arrangement of three directional microphones); the acquisition module 11 is specifically applicable. Using the directional microphone to collect the initial sounds in different directions, processing the initial sound to determine the current speaker, determining the current speaker's speaking position according to the signal difference of the current speaker's voice in the initial voice; determining the current speaker according to the initial voice The speaker who receives the highest volume among the plurality of initial sounds based on the different directional microphones 141 is used as the current speaker, and the position of the speaker is determined based on the time difference in which the respective directional microphones 141 receive the same content.

In some embodiments, the obtaining module 11 in the embodiment shown in FIG. 1 is specifically adapted to obtain the speaking position of the current speaker periodically or in real time; this embodiment performs the timing of acquiring the speaking position of the current speaker by the obtaining module 11. Qualified, real-time/periodic follow-up of the current speaker can be achieved Trace, making the pickup better.

In some embodiments, the microphones referred to in this application generally refer to a microphone device.

Second embodiment:

2 is a flowchart of a terminal pickup control method according to a second embodiment of the present invention. As shown in FIG. 2, in the embodiment, the terminal pickup control method includes the following steps:

S201: Acquire a speech position of the current speaker;

S202: Calculate a rotation parameter according to the speaking position;

S203: Control the rotation of the rotating device by using the rotation parameter to pick up the current speaker.

In some embodiments, the rotation parameter in the embodiment shown in FIG. 2 includes a rotation direction and a rotation angle; and step S202 includes: acquiring a pickup direction of the terminal main microphone, determining a rotation direction according to the pickup direction and the speaking position, according to the pickup The direction of rotation, the position of the speech, and the axis of rotation of the terminal calculate the angle of rotation.

In some embodiments, step S201 in the embodiment of FIG. 2 includes determining a speech position using a microphone array.

In some embodiments, the microphone array in the above embodiment includes more than two directional microphones; the step of determining the speaking position by using the microphone array includes: collecting the initial sounds in different directions by using the directional microphone, and processing the initial sound to determine the current speaker. And determining the speaking position of the current speaker according to the signal difference value of the current speaker's voice in the initial sound.

In some embodiments, the implementation of step S201 in the embodiment shown in FIG. 2 includes: periodically or real-time acquiring the speaking position of the current speaker.

The embodiments of the present invention will now be described in conjunction with an exemplary specific application example.

Third embodiment:

FIG. 3 is a flowchart of a terminal pickup control method according to a third embodiment of the present invention; as shown in FIG. 3, in the embodiment, the terminal pickup control method includes the following steps:

S301: assembling terminal and rotating device;

For example, when the user makes a meeting record, the rotating device is fixed on the desktop, and then the terminal is fixed on the rotating device, and the terminal and the rotating device are connected through Bluetooth;

S302: Start a pickup control function in the terminal;

For example, the pickup control function is used as an APP application, and before the conference starts, the user starts the APP application, in which the user sets the real-time tracking according to the speaker;

S303: The terminal determines, by using a directional microphone, a speaking position of the current speaker.

S304: The terminal calculates a rotation parameter according to the speaking position;

In practical applications, the rotation point of the rotating device may be in the pickup direction of the terminal main microphone, or may not be in the pickup direction, and the rotation point is in the pickup direction, and all the speakers are in the same plane as an example, the terminal The speech position of the current speaker is connected with the rotation point to form a straight line a, and the pickup direction of the current main microphone of the terminal is acquired, which is recorded as a straight line b, and the rotation direction and the rotation angle are determined according to the straight line a and the straight line b. In particular, when the straight line a and the straight line b coincide, the rotation parameter is 0;

For the case where the rotation point is not in the pickup direction, or all the speakers are not in the same plane, the calculation is complicated, and the calculation of the rotation parameter can be implemented in the prior art, which is not described in the present application;

S305: the terminal converts the rotation parameter into an operation parameter that the rotation device can perform, and sends the operation parameter to the rotation device;

For example, the terminal converts the rotation parameter into operating parameters such as a rotation direction of the motor (clockwise, counterclockwise, etc.), a rotational angular velocity w, and a rotation time t, and transmits the operating parameters to the rotating device via Bluetooth;

S306: The rotating device executes the working parameter to rotate the pickup direction of the main microphone of the terminal to the direction of the current speaker.

In the embodiment shown in FIG. 3, the terminal obtains the speech position of the current speaker in real time. In other embodiments, the terminal can also periodically acquire the speech position of the current speaker. This method is more power efficient.

In summary, through the implementation of the present invention, at least the following beneficial effects exist:

After acquiring the speaking position of the current speaker, the terminal calculates the rotation parameter required to rotate the terminal in the direction of the speaker, and uses the rotation parameter to control the rotation device matched with the terminal to perform the rotation operation, and rotate the terminal to the positive position. In the direction of the speaker, the speaker is picked up, so that the terminal can automatically track the effect of the presenter, and the meeting recorder or the interviewer is no longer required to manually rotate the terminal device, thereby enhancing the user experience.

One of ordinary skill in the art will appreciate that all or part of the steps in the above methods may be passed through the program. The instruction related hardware is completed, and the program can be stored in a computer readable storage medium such as a read only memory, a magnetic disk or an optical disk. Alternatively, all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module/unit in the foregoing embodiment may be implemented in the form of hardware or in the form of a software function module. The invention is not limited to any specific form of combination of hardware and software.

The invention may, of course, be embodied in a variety of other embodiments without departing from the spirit and scope of the invention. Changes and modifications are intended to fall within the scope of the appended claims.

Industrial applicability

According to the solution provided by the embodiment of the present invention, after acquiring the speaking position of the current speaker, the terminal calculates the rotation parameter required to rotate the terminal in the direction of the speaker, and uses the rotation parameter to control the rotation device matched with the terminal. Rotating operation, rotating the terminal to the direction of the speaker to pick up the speaker, can realize the effect of the terminal automatically tracking the presenter, and no longer need the conference recorder or the interviewer to manually rotate the terminal device to enhance the user's Use experience.

Claims

A terminal pickup control method includes:

Get the speech position of the current speaker;

Calculating a rotation parameter according to the speaking position;

The rotating speaker is used to control the rotating device to rotate the terminal to pick up the current speaker.
The terminal pickup control method according to claim 1, wherein the rotation parameter includes a rotation direction and a rotation angle; and calculating a rotation parameter according to the speech position comprises: acquiring a pickup direction of the terminal main microphone, according to the pickup The direction and the speaking position determine the rotation direction, and the rotation angle is calculated according to the pickup direction, the speaking position, and the terminal rotation axis.
The terminal pickup control method according to claim 1, wherein said obtaining a speech position of a current speaker comprises determining said speech position using a microphone array.
The terminal pickup control method according to claim 3, wherein said microphone array comprises two or more directional microphones; said determining said speaking position by said microphone array comprises: collecting said different directions by said directional microphone An initial sound, the initial sound is determined to determine the current speaker, and the current speaker's speaking position is determined according to a signal difference of the current speaker's voice in the initial sound.
The terminal pickup control method according to any one of claims 1 to 4, wherein the manner of acquiring the speech position of the current speaker includes: acquiring the speech position of the current speaker periodically or in real time.
A terminal comprising:

Obtaining a module, set to obtain a speech position of the current speaker;

a calculation module configured to calculate a rotation parameter according to the speaking position;

And a control module configured to control the rotating device to rotate the terminal to pick up the current speaker by using the rotation parameter.
The terminal according to claim 6, wherein said rotation parameter comprises a rotation direction and a rotation angle; said calculation module is configured to acquire a pickup direction of the terminal main microphone, and determine according to said pickup direction and said speech position The direction of rotation, according to the sound pickup direction, the speaking position And the terminal rotation axis calculates the rotation angle.
The terminal of claim 6 further comprising a microphone array, said acquisition module being arranged to determine said speaking position using said array of microphones.
The terminal of claim 8 wherein said array of microphones comprises more than two directional microphones; said acquisition module being arranged to acquire initial sounds in different directions using said directional microphone, said initial sound determination being processed The current speaker determines a speaking position of the current speaker according to a signal difference value of the current speaker's voice in the initial voice.
The terminal according to any one of claims 6 to 9, wherein the acquisition module is configured to acquire a speech position of a current speaker periodically or in real time.
A terminal pickup control system comprising a rotating device and a terminal according to any one of claims 6 to 10, the rotating device being arranged to rotate the terminal under the control of the terminal.
A computer readable storage medium storing a computer program comprising program instructions that, when executed by a terminal device, cause the device to perform the method of any of claims 1-5.