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公开(公告)号：US11315561B2
公开(公告)日：2022-04-26
申请号：US16638540
申请日：2018-03-14
申请人： D&M Holdings, Inc.
发明人： Yukihiro Yoshida
IPC分类号： G10L15/00 , G10L15/04 , G10L15/22 , H05B47/12 , H05B45/20 , H05B47/155 , H05B45/325 , H05B45/10 , G06F3/16 , G10L15/08 , G10L15/28 , H04R1/08
摘要： [Problem] To provide an audio device having a voice operation receiving function with which the state of a voice recognition process can be notified in detail without affecting an audio playback environment, and which is inexpensive and has an excellent degree of freedom in design. [Solution] A wireless speaker 1 has a voice operation receiving function that receives an operation by a voice input into a microphone 11. The wireless speaker comprises: an LED 12; an LED control unit 18 that subjects the LED 12 to PWM control; and a lighting pattern storage unit 17 that stores a lighting pattern in which the brightness is changed on a time axis for each state of a voice recognition process. The LED control unit 18 subjects the LED 12 to PWM control in accordance with the lighting pattern stored in the lighting pattern storage unit 17 corresponding to the state of the voice recognition process performed on the voice input into the microphone 11.
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公开(公告)号：USRE48946E1
公开(公告)日：2022-02-22
申请号：US15154909
申请日：2016-05-13
申请人： D&M HOLDINGS, INC.
发明人： Max Ramsay , David Boyd
IPC分类号： H04W4/00 , H04N21/643 , H04L67/025 , H04N21/426 , H04N21/436 , G06F16/957 , H04N21/4363 , G06F16/40 , H04R3/12 , H04R5/02 , H04L67/51 , H04L65/61
摘要： Described herein are systems and methods for providing media playback in a networked environment. In one embodiment, a networked media playback device is configured to provide a web server for delivering data indicative of a browser-renderable control interface for the networked media playback device, or for a related networked media playback system. In overview, the user of a networked device, such as a wireless web enabled device, is able to render the control interface in a web browser, and in this manner control playback of digital media via the networked media playback device or networked media playback system.
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公开(公告)号：US11234045B2
公开(公告)日：2022-01-25
申请号：US16335439
申请日：2017-03-23
申请人： D&M Holdings, Inc.
发明人： Hiroyuki Uno
IPC分类号： H04N21/436 , G06F11/07 , G09G5/00 , H04N21/442
摘要： Provided is a technology for supporting solution of a fault that has occurred in a system including an audio-visual device. A solution support program storage unit (7) is configured to store, for each potential fault, a solution support program for supporting a user's job for solving the each fault. At least one of the solution support programs for handling a fault having a plurality of possible causes includes processing for displaying a message for prompting the user to conduct a predetermined job, processing for displaying a question for the user, processing for receiving a user's answer to the question, and processing for displaying a message indicating a solution corresponding to the received answer. Then, a main control unit (9) determines a fault based on the information acquired through an audio-visual signal input interface unit (3) and an audio-visual signal output interface unit (4), and executes the solution support program for handling the determined fault.
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公开(公告)号：US11209972B2
公开(公告)日：2021-12-28
申请号：US14842877
申请日：2015-09-02
申请人： D&M Holdings, Inc.
IPC分类号： G06F3/0486 , G06F3/0488 , G06F3/0482 , G06F3/16
摘要： A media rendering system includes a media rendering device and a controller device in communication via a network. The controller has a touch screen, presenting a portrait display mode when oriented in a first position, and a landscape display mode when oriented in a second position. The portrait mode displays either a first full screen presenting a first menu, or a second full screen presenting a second menu. The landscape mode displays a landscape full screen with two side-by-side tiles including a first tile presenting the first menu and a second tile presenting the second menu. Landscape mode provides drag-and-drop functionality for menu objects among the first and second, generating configuration commands to the media rendering device.
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65.发明授权公开(公告)号：US10779083B2
公开(公告)日：2020-09-15
申请号：US16322184
申请日：2017-08-01
申请人： D&M Holdings, Inc.
发明人： Brendon Stead , Achim Schulz
摘要： A sound bar is provided which includes a generally elongate rectangular structure, with one angled output face having a plurality of speakers disposed therein, to thereby provide enhanced audio output. The sound bar is beneficially provided with a single mounting surface configured and arranged such that the sound bar can be mounted on both a table/shelf (horizontal orientation) and a wall (vertical orientation) via the single mounting surface by rotating the sound bar 180°, wherein the audio output in both mounting orientations is a multi-directional 3D audio output that travels to and bounces off both the walls and the ceiling of a room in which the sound bar is located.
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公开(公告)号：US20190208323A1
公开(公告)日：2019-07-04
申请号：US16316723
申请日：2017-03-23
申请人： D&M Holdings, Inc.
发明人： Hiroyuki Yazawa
摘要： To reduce deviation in reproduction timings among a plurality of wireless speakers in a case where audio data about the same piece of music is reproduced by use of the wireless speakers. [Solution] In a wireless audio system 1, audio data about the same piece of music is reproduced while any one of a plurality of wireless speakers 2-1 to 2-3 serves as a master and the remaining speakers serve as slaves. The master downloads the audio data about the piece of music from a media server 5, wirelessly transmits the downloaded audio data to the slaves, and reproduces and outputs the audio data. The slaves receive the audio data wirelessly transmitted from the master, and reproduce and output the audio data. Here, the master reproduces the audio data downloaded from the media server 5 after buffering the audio data for a prescribed time, and thereby, makes a start timing of reproducing the audio data coincident with start timings of reproducing the audio data in the slaves.
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67.再颁专利公开(公告)号：USRE47400E1
公开(公告)日：2019-05-21
申请号：US14877656
申请日：2015-10-07
申请人： D&M HOLDINGS, INC.
发明人： Max Gordon Ramsay
IPC分类号： G06F15/173 , H04L12/28 , H04L29/08 , H04L29/06
摘要： Described herein are systems and methods for providing dual control functionality in a networked digital media device. In overview, a networked digital media device advertises a standard digital media device, which is discoverable and controllable by a standard control device in accordance with a standard media control protocol (also referred to as a Device Control Protocol, or DCP). The networked digital media device also advertises a non-standard digital media playback device, the non-standard device being discoverable and controllable by a non-standard control device in accordance with a non-standard media control protocol. These two devices are manifested in the same device hardware, essentially allowing the device to implement dual-control such that it is able to be controlled both as a standard device and a non-standard device.
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公开(公告)号：US20190149165A1
公开(公告)日：2019-05-16
申请号：US16098652
申请日：2017-04-25
申请人： D&M Holdings, Inc.
发明人： Rainer Finck , Shozo Kawahara
CPC分类号： H03M3/504 , H03M1/0863 , H03M7/3008
摘要： A bitstream converter for converting a 1-bit pulse density modulated (PDM) bitstream signal into an analog audio signal, the bitstream converter comprising: a processor configured to process the 1-bit PDM bitstream signal using a return to zero clock having a frequency higher than a sampling frequency of the 1-bit PDM bitstream signal to output a corresponding 1-bit return to zero signal, wherein the processor is configured to process the 1-bit PDM signal to ensure a portion of each bit of the 1-bit PDM bitstream signal is zero for a duration which is based on the frequency of the return to zero clock; and signal processing means configured to extract the analog audio signal from the 1-bit return to zero signal by filtering the 1-bit return to zero signal.
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公开(公告)号：US20180302716A1
公开(公告)日：2018-10-18
申请号：US15767744
申请日：2016-09-12
申请人： D&M Holdings, Inc
发明人： Yasuo Takasu , Tsuyoshi Kato , Masato Fujii
摘要： [Problem] To provide a technology whereby power consumption can be reduced by reducing wasteful output of audio signals. [Solution] By comparison of an output volume level Vout of an output audio signal from a wireless speaker 1 with an input volume level Vin of an input audio signal to an audio controller 2, a volume level ratio Vin/Vout between the signals is monitored (S111). Moreover, when the volume level ratio Vin/Vout has dropped by a predetermined amount or more within a predetermined time period (S113, S120), a listener carrying the audio controller 2 is determined as having left a room in which the wireless speaker 1 is installed, whereby the volume value of the wireless speaker 1 is set to zero, and output of the audio signal from the wireless speaker 1 is stopped (S114, S121).
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公开(公告)号：US20180253276A1
公开(公告)日：2018-09-06
申请号：US15760419
申请日：2016-03-15
申请人： D&M Holdings, Inc.
发明人： Sho Kodama
CPC分类号： G06F3/165 , G10K15/00 , H04R1/06 , H04R3/04 , H04R3/12 , H04R2227/005 , H04R2420/07
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) from picked-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.
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