SPEAKER SYSTEM, SOUND BAR, WIRELESS SPEAKER, AND METHOD FOR CONTROLLING SPEAKER SYSTEM

    公开(公告)号:EP4404583A1

    公开(公告)日:2024-07-24

    申请号:EP22866957.8

    申请日:2022-03-22

    申请人: D&M Holdings Inc.

    发明人: YOSHIDA Yukihiro

    IPC分类号: H04R1/06 H04R3/00

    CPC分类号: H04R1/06 H04R3/00

    摘要: [Problem] To enable a sound bar and a wireless speaker to be grouped and ungrouped through a simple operation. [Solution] When a user moves a controller 3 closer to a sound bar 1, the sound bar 1 reads tag information from an RFID tag 30 of the controller 3 by using an RFID tag reader 10, detects that the user has performed an operation to move the controller 3 closer to the sound bar 1, and checks a host group state. When group formation is in progress, an ungroup notification is transmitted to a wireless speaker 2, which is a participating member of the group, to ungroup the group, and information relating to a slave of the ungrouped group is stored as immediately preceding slave information. However, when ungrouping is in progress, a group formation notification is transmitted to the wireless speaker 2 identified by the immediately preceding slave information to form a group with the wireless speaker 2.

    AUDIO DEVICE AND COMPUTER READABLE PROGRAM
    4.
    发明公开

    公开(公告)号:EP3605535A1

    公开(公告)日:2020-02-05

    申请号:EP17903325.3

    申请日:2017-09-21

    申请人: D&M Holdings Inc.

    发明人: MATSUNAGA Keishi

    摘要: [Problem) To provide an audio device capable of further reliably accepting voice control even during playback. [Solution] An audio device 2 comprises: a parameter determination unit 30 that determines an echo-back parameter for cancelling a wraparound signal that enters voice-control microphones 20-1, 20-2 as the audio from a speaker during playback; a filter processing unit 27 that performs filtering using the echo-back parameter for audio signals collected by the voice-control microphones 20-1, 20-2 during playback; a voice recognition unit 28 that performs voice recognition processing for a filtered audio signal; and an operation acceptance unit 29 that accepts voice control on the basis of the voice recognition results. The parameter determination unit 30 outputs a test signal from a speaker and collects the test signal through the voice-control microphones 20-1, 20-2, and determines the echo-back parameter on the basis of the delay time and the attenuation rate of the collected audio signal relative to the test signal.

    COMPUTER-READABLE PROGRAM, AUDIO CONTROLLER, AND WIRELESS AUDIO SYSTEM

    公开(公告)号:EP3352475A1

    公开(公告)日:2018-07-25

    申请号:EP16846006.1

    申请日:2016-03-15

    申请人: D&M Holdings Inc.

    发明人: KODAMA Sho

    IPC分类号: H04R3/04 G10K15/00 H04R1/06

    摘要: To provide a technology capable of changing an output characteristic of music data more efficiently with a simpler operation irrespective of whether or not the music data is being played back, an audio controller (2) identifies a usage environment of a wireless speaker (1) frompicked-up image data on an installation room of the wireless speaker (1). Then, an output characteristic suitable for the identified usage environment is selected, and the selected output characteristic is set as an output characteristic of music data to be output from the wireless speaker (1). In this case, a ratio between a width of a wall behind the wireless speaker (1) and a width of the speaker is obtained from the picked-up image data obtained by picking up an image of the installation room of the wireless speaker (1) so that boundaries between the wall behind the wireless speaker (1) and both sides thereof are aligned with both edges of an angle of view, and a size of the installation room of the wireless speaker (1) is identified based on this ratio to be used as the usage environment. Further, an installation position of the speaker is identified based on a display position of the speaker in the picked-up image data to be also used as the usage environment.