KR20120074700A - Audio apparatus and display apparatus having the same, apparatus and method for compensating lipsync with external device - Google Patents
Audio apparatus and display apparatus having the same, apparatus and method for compensating lipsync with external device Download PDFInfo
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- KR20120074700A KR20120074700A KR1020100136618A KR20100136618A KR20120074700A KR 20120074700 A KR20120074700 A KR 20120074700A KR 1020100136618 A KR1020100136618 A KR 1020100136618A KR 20100136618 A KR20100136618 A KR 20100136618A KR 20120074700 A KR20120074700 A KR 20120074700A
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- 230000005236 sound signal Effects 0.000 claims abstract description 142
- 238000012360 testing method Methods 0.000 claims abstract description 88
- 230000004044 response Effects 0.000 claims abstract description 26
- 238000012937 correction Methods 0.000 claims description 46
- 238000012545 processing Methods 0.000 claims description 20
- 230000001934 delay Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 241000630329 Scomberesox saurus saurus Species 0.000 claims description 6
- 230000003111 delayed effect Effects 0.000 abstract description 7
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
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- Computational Linguistics (AREA)
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- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Description
The present invention relates to an audio device, a display device including the same, a lip sync correction device and a method thereof.
A / V receivers, which are typically used in home theaters and the like, are commonly used to connect to televisions (S / PDIF) via Sony / Philips Digital Interconnect Format (S / PDIF) ports. do.
On the other hand, the television (TV), for example, as shown in Figure 1, analog stereo
In addition, the
The digital audio signal is converted to an optical output and then output to an external device, for example, an A /
Accordingly, the user can simultaneously listen to high-quality audio in three dimensions at the same time through a speaker provided in the
However, in the A /
The present invention, for example, by matching the lip sync between the audio output through the speaker of the television and the audio output through the speaker connected to the external device, so that howling does not occur An apparatus and a method for correcting lip sync with an apparatus are provided.
An audio device according to the present invention includes a first receiver for receiving an audio signal, a transmitter for transmitting the audio signal and a test signal to an external device, a second receiver for receiving a return signal in response to the test signal; And a speaker configured to output a voice according to the audio signal and to adjust a voice output time according to the audio signal according to the return signal.
In addition, the speaker unit may delay the voice output time according to the audio signal according to the return signal.
In addition, the return signal may include information on the voice output time of the external device.
The speaker may synchronize a voice output time point with the voice output time point of the external device.
In addition, the speaker may delay the voice output time according to the audio signal according to a time difference between the transmission time of the test signal and the reception time of the return signal.
In addition, another audio apparatus according to the present invention includes a first receiver for receiving an audio signal, a transmitter for transmitting the audio signal and a test signal to a plurality of external devices, and a plurality of return signals in response to the test signal. And a speaker configured to output a voice according to the audio signal and to adjust a voice output time according to the audio signal according to one of the plurality of return signals.
In addition, the speaker may delay the voice output time according to the audio signal according to any one of the plurality of return signals with a late reception time.
Also, the plurality of return signals may include information on the voice output time point of each of the external devices.
The plurality of return signals may include a first return signal and a second return signal, and when the reception time of the second return signal is later than the reception time of the first return signal, the speaker may output the voice output time. It is possible to synchronize with the voice output time point corresponding to the second return signal.
According to an exemplary embodiment of the present invention, a display apparatus includes a first receiver configured to receive an audio signal and a video signal, a display configured to display an image according to the video signal, and transmit the audio signal and a test signal to an external device. And a transmitter, a second receiver configured to receive a return signal in response to the test signal, and a built-in speaker configured to output a voice according to the audio signal and to adjust a voice output time according to the audio signal according to the return signal. It is possible.
In addition, another audio device according to the present invention receives the audio signal and the test signal from the first speaker unit for receiving an audio signal and the first skipper unit, and receives a return signal in response to the test signal. And a second speaker unit transmitting to the first speaker unit, wherein the first speaker unit may adjust a voice output time point according to the audio signal according to the return signal.
The first speaker may be configured to delay the voice output time according to the audio signal according to the return signal.
In addition, the return signal may include information on the voice output time of the second speaker unit.
The first speaker unit may synchronize a voice output point of time with the voice output point of time of the second speaker unit.
The first speaker may be configured to delay the voice output time according to the audio signal according to a time difference between the transmission time of the test signal and the reception time of the return signal.
In addition, another audio device according to the present invention receives the audio signal and the test signal from the first speaker unit for receiving an audio signal (Audio signal), the first skipper unit, and returns a first corresponding to the test signal A second speaker for transmitting a signal to the first speaker and a first speaker for receiving the audio signal and the test signal from the first skipper and transmitting a second return signal to the first speaker in response to the test signal; And a three speaker unit, wherein the first speaker unit may adjust a voice output time point according to the audio signal according to one of the first return signal and the second return signal.
The first speaker may be configured to delay a voice output time according to the audio signal according to any one of the first return signal or the second return signal, which has a late reception time.
The first return signal may include information on the voice output time point of the second speaker unit, and the second return signal may include information on the voice output time point of the third speaker unit.
The first speaker unit may synchronize a voice output time point to the voice output time point of the third speaker unit when the time point at which the second return signal is received is later than the time point at which the first return signal is received. It is possible.
In addition, the first speaker unit may delay the voice output time according to the audio signal according to a time difference between the transmission time of the test signal and the reception time of the second return signal.
In addition, another display apparatus according to the present invention receives an audio signal and a video signal, a television including a built-in speaker unit and the audio signal and a test signal from the television, and An external speaker for transmitting a return signal to the television in response to a test signal, the television can adjust the audio output time according to the audio signal in accordance with the return signal.
In addition, the lip synch correcting apparatus according to the present invention is an lip synch correcting apparatus having an HDMI port and an S / PDIF port, the audio processing unit for generating a test audio packet and the test audio After the packet is transmitted to the external device, the time until the return packet is received is counted, the lip synch correction time is set, and output audio to the speaker and output to the external device according to the lip synch time. It may include a control unit for synchronizing audio.
In addition, the test audio packet may include a start bit and an end bit, and may be transmitted to an external device through an HDMI ARC port.
The controller may be configured to link and store the lip sync correction time and unique identification information corresponding to the external device.
The control unit may delay the output audio to the speaker for a predetermined time according to the lip synch correction time, and synchronize the output audio to the external device.
When the lip synch correction time is set, the controller may output the audio signal processed by the audio processor through an S / PDIF port to an external device.
The external device may generate and transmit the return packet when the test audio packet is received and the decoding and encoding operations are completed.
In addition, in the lip sync correction method according to the present invention, when entering a lip sync correction mode with an external device, a counting step of generating a test audio packet, transmitting the time to the external device and counting time, and receiving a return packet from the external device If so, it is possible to include a time setting step of setting the time counted to date as a lip synch correction time and a synchronization step of synchronizing the output audio to a speaker and the output audio to an external device according to the lip synch correction time.
The counting step may generate a test audio packet including a start bit and an end bit, and then transmit the test audio packet to the external device through an HDMI ARC port.
In addition, in the time setting step, it is possible to link and store the lip synch correction time and the unique identification information corresponding to the external device.
In the synchronizing step, the output audio to the speaker may be delayed for a predetermined time according to the lip synch correction time to synchronize the output audio to the external device.
In addition, in the synchronizing step, it is possible to output audio to an external device through the S / PDIF port.
The external device may generate and transmit the return packet when the test audio packet is received and the decoding and encoding operations are completed.
An apparatus and method for correcting a lip sync with an external device according to the present invention may include, for example, counting a time until a return packet is received after transmitting a test audio packet to an external device such as an A / V receiver. (Lipsync) by setting a correction time, and then performing a lip sync operation to synchronize the audio output through the speaker of the television and the audio output through the speaker connected to an external device according to the lip sync correction time. By compensating for the time difference delayed by the audio decoding and encoding operation of the external device, howling can be prevented.
1 shows a configuration of an embodiment of a general television;
2 to 10 are views for explaining an audio device according to the present invention;
11 to 12 are views for explaining the display device according to the present invention;
Fig. 13 is a diagram showing the configuration of an embodiment of a television to which the present invention is applied;
14 is a flowchart illustrating an embodiment of a lip sync correction method with an external device according to the present invention;
15 illustrates an embodiment of a user interface screen displayed in accordance with the present invention; And
16 is a diagram illustrating an embodiment of a type of test audio packet according to the present invention.
Hereinafter, an audio device, a display device including the same, a lip sync correction device and a method thereof according to the present invention will be described in detail with reference to the accompanying drawings.
As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. It is to be understood that the present invention is not intended to be limited to the specific embodiments but includes all changes, equivalents, and alternatives falling within the spirit and scope of the present invention.
In describing the present invention, terms such as first and second may be used to describe various components, but the components may not be limited by the terms. The terms may be used only for the purpose of distinguishing one component from another component. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.
The term and / or may include a combination of a plurality of related items or any item of a plurality of related items.
When an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, but other elements may be present in between Can be understood. On the other hand, when it is mentioned that an element is "directly connected" or "directly connected" to another element, it can be understood that no other element exists in between.
The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. The singular expressions may include plural expressions unless the context clearly dictates otherwise.
In the present application, the terms "comprises", "having", and the like are used interchangeably to designate one or more of the features, numbers, steps, operations, elements, components, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, parts, or combinations thereof.
Unless otherwise defined, all terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries can be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are, unless expressly defined in the present application, interpreted in an ideal or overly formal sense .
In addition, the following embodiments are provided to explain more fully to the average person skilled in the art. The shapes and sizes of the elements in the drawings and the like can be exaggerated for clarity.
First, the audio device according to the present invention, a display device including the same, and a lip sync correction device and method include, for example, a television (TV) used in connection with an external device such as an A / V receiver or the like, as well as various other A devices. It can also be applied to / V devices.
2 to 10 are diagrams for explaining an audio device according to the present invention.
Referring to FIG. 2, an audio device according to the present invention may include a plurality of
Here, the
The
As such, the
Accordingly, the
The configuration of the
Referring to FIG. 3, the
The
The
The
As shown in FIG. 4, the test signal TS transmitted by the
The
The first
Although the first
In FIG. 3, the
On the other hand, from the perspective of the
Here, the
The second
The
The
Here, the return signal RS may be a signal for the
The
Accordingly, it is possible to synchronize the time point at which the voice output of the
The operations of the
As illustrated in FIG. 5, when the
In addition, the received audio signal AS and the generated test signal TS may be transmitted 602 to an external device, that is, the
Thereafter, the first speaker S1 may receive the return signal RS in response to the transmitted test signal TS.
In addition, the first speaker S1 may adjust (603) an output point of voice in response to the return signal RS according to the control unit of the
Thereafter, a predetermined voice may be
In the
Meanwhile, the
Thereafter, the second
The
For example, as in the case of FIG. 6A, the
In detail, the transmission time point of the test signal TS transmitted from the
In this case, the
Accordingly, the
Alternatively, as in the case of FIG. 6B, the return signal RS received by the
In this case, the
The method of synchronizing the audio output of the
In order to delay the output of the voice by using the return signal RS received from the
For example, as shown in FIG. 7, the
Here, each of the
The
Assume that the delay values of the first to
Here, when the
In the present invention, a method of delaying voice output, that is, voice data to be output, may not be limited to FIG. 7.
Unlike the present invention, a comparative example without using the return signal RS will be described with reference to FIG. 8.
As shown in FIG. 8, in the comparative example, when the
In addition, the received audio signal AS may be transmitted 502 to an external device, that is, the
Thereafter, the first speaker unit S1 may output a
In the
Thereafter, the second
In this case, since the
On the other hand, in the present invention, even if the
On the other hand, a plurality of external devices may be connected to the
In this case, the
In addition, the
In this case, the
For example, as in the case of FIG. 10, the
In this case, the
In this case, the howling phenomenon may occur to some extent, but the excessively deepening of the howling phenomenon can be suppressed because the output of the sound late part can be made larger.
11 to 12 are views for explaining the display device according to the present invention. Hereinafter, the description of the parts described in detail above will be omitted.
Referring to FIG. 11, the display apparatus according to the present invention may include a
In addition, the
11, the
Looking at the configuration of the display device according to the present invention in detail, as shown in FIG.
In addition, the
Here, the built-in
Here, although the
On the other hand, from the perspective of the
Here, the
Since the configuration and operation of the display device having such a configuration can be sufficiently inferred from the configuration and operation of the audio device described above in detail, further description is omitted.
On the other hand, in the television to which the present invention is applied, for example, as shown in Fig. 13, an analog stereo
The
The digital audio signal is converted to an optical output and then transmitted to an external device, for example, an A /
On the other hand, when the
In addition, the generated test audio packet is transmitted to the A /
Then, the time counted by the
FIG. 14 is a flowchart illustrating an embodiment of a method for correcting lip sync with an external device according to the present invention. In the
Meanwhile, selection items such as an A / V receiver, a component, an HDMI, and a DTV may be displayed on the user interface image for selecting the input, and the user may select the selection item of the A / V receiver. If so, a guide message inquiring whether to perform a lip synch correction operation with the A / V receiver may be displayed.
When the lip synch correction operation is selected, the
When the A /
The test audio packet may include a start bit and an end bit. In the
The
In addition, when the start and end bits included in the test audio packet are searched and checked, when all the test audio packets are received, decoding and encoding operations are performed using an audio codec, and the decoding and encoding operations are performed. When this is completed, a return packet corresponding thereto is generated and transmitted to the television.
On the other hand, when the
Then, the lip synch correction mode is canceled. Then, when the audio output mode to the external device is set (S17), the
For example, when the lip synch correction time is set to 1.5 seconds, the time difference between the audio output through the speaker of the television and the audio output through the multi-channel speaker connected to the A / V receiver is 1.5 seconds. Will be judged.
In addition, by delaying the output timing of the audio signal output through the
Then, since any corresponding operation requested by the user is performed (S19), by compensating for a time delay delayed by an audio decoding and encoding operation performed by an external device such as an A / V receiver itself, Howling can be prevented from occurring.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined in the appended claims. , Alteration, substitution, addition, or the like.
300: TV 400: external device
30: audio input port 31: audio decoder
32: Component 33: HDMI Port
34: HDMI switch 35: S / PDIF port
36:
36b:
37: display unit 38: amplifier
39: speaker 40: timer
Claims (33)
A transmitter for transmitting the audio signal and the test signal to an external device;
A second receiver configured to receive a return signal in response to the test signal; And
A speaker for outputting a voice corresponding to the audio signal and adjusting a voice output time according to the audio signal according to the return signal;
Audio device comprising a.
The speaker unit delays the voice output time according to the audio signal according to the return signal.
The return signal includes information on the voice output time of the external device.
And the speaker synchronizes a voice output time point with the voice output time point of the external device.
And the speaker delays the voice output point according to the audio signal according to a time difference between the transmission point of the test signal and the reception point of the return signal.
A transmitter for transmitting the audio signal and the test signal to a plurality of external devices;
A second receiver configured to receive a plurality of return signals in response to the test signal; And
A speaker configured to output a voice corresponding to the audio signal and to adjust a voice output point according to the audio signal according to one of the plurality of return signals;
Audio device comprising a.
And the speaker is configured to delay a voice output time according to the audio signal according to any one of a plurality of the return signals with a late reception time.
The plurality of return signals include information on the voice output time point of each of the external devices.
The plurality of return signals include a first return signal and a second return signal,
When the reception time of the second return signal is later than the reception time of the first return signal,
And the speaker synchronizes a voice output time point with the voice output time point corresponding to the second return signal.
A display unit which displays an image according to the video signal;
A transmitter for transmitting the audio signal and the test signal to an external device;
A second receiver configured to receive a return signal in response to the test signal; And
A built-in speaker configured to output a voice according to the audio signal and to adjust a voice output time according to the audio signal according to the return signal;
Display device comprising a.
A second speaker unit receiving the audio signal and the test signal from the first skipper unit and transmitting a return signal to the first speaker unit in response to the test signal;
Including,
The first speaker unit controls the audio output time according to the audio signal according to the return signal.
And the first speaker unit delays the voice output time according to the audio signal according to the return signal.
The return signal includes information on the voice output time point of the second speaker unit.
And the first speaker unit synchronizes a voice output point of time with the voice output point of time of the second speaker unit.
And the first speaker unit delays the voice output time point according to the audio signal according to a time difference between the time point at which the test signal is transmitted and the time point at which the return signal is received.
A second speaker unit receiving the audio signal and the test signal from the first skipper unit and transmitting a first return signal to the first speaker unit in response to the test signal; And
A third speaker unit receiving the audio signal and the test signal from the first skipper unit and transmitting a second return signal to the first speaker unit in response to the test signal;
Including,
And the first speaker unit adjusts a voice output time point according to the audio signal according to one of the first return signal and the second return signal.
And the first speaker unit delays a voice output time according to the audio signal according to any one of the first return signal or the second return signal having a late reception time.
The first return signal includes information on the voice output time point of the second speaker unit.
The second return signal includes information on the voice output time point of the third speaker unit.
When the reception time of the second return signal of the first speaker unit is later than the reception time of the first return signal,
And the first speaker unit synchronizes a voice output time point to the voice output time point of the third speaker unit.
And the first speaker unit delays the voice output time point according to the audio signal according to a time difference between the time point at which the test signal is transmitted and the time point at which the second return signal is received.
An external speaker unit which receives the audio signal and the test signal from the television and transmits a return signal to the television in response to the test signal;
Including,
And the television adjusts an audio output time point according to the audio signal according to the return signal.
An audio processor for generating a test audio packet; And
After transmitting the test audio packet to the external device, counting the time until the return packet is received, setting the lip synch correction time, and outputting audio to a speaker according to the lip synch correction time, and the external device. A controller for synchronizing output audio to the furnace;
Lip synch correction device comprising a.
The test audio packet includes a start bit and an end bit, and is transmitted to an external device through an HDMI ARC port.
And the controller is configured to cooperatively store the lip sync correction time and unique identification information corresponding to the external device.
And the control unit delays the output audio to the speaker by a predetermined time according to the lip synch correction time, and synchronizes it with the output audio to the external device.
And the control unit outputs the audio signal processed by the audio processing unit to the external device through the S / PDIF port after the lip synch correction time is set.
And the external device receives the test audio packet, and generates and returns the return packet when the decoding and encoding operations are completed.
A time setting step of setting a time counted so far as a lip synch correction time when a return packet is received from the external device; And
Synchronizing the output audio to a speaker and the output audio to an external device according to the lip synch correction time;
Lip synch correction method comprising a.
The counting step, after generating a test audio packet including a start bit and the end bit, and transmits to the external device through the HDMI ARC (HDMI ARC) port, characterized in that the lip sync correction method.
In the time setting step, the lip sync correction time and the unique identification information corresponding to the external device are stored in association with each other.
The synchronizing step may include delaying the output audio to a speaker for a predetermined time and synchronizing the output audio to an external device according to the lip synch correction time.
The synchronizing step, Lip sync correction method characterized in that for outputting audio to an external device through the S / PDIF (S / PDIF) port.
The external device receives the test audio packet, and when the decoding and encoding operation is completed, the external device generates and transmits the lip sync correction method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100136618A KR20120074700A (en) | 2010-12-28 | 2010-12-28 | Audio apparatus and display apparatus having the same, apparatus and method for compensating lipsync with external device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100136618A KR20120074700A (en) | 2010-12-28 | 2010-12-28 | Audio apparatus and display apparatus having the same, apparatus and method for compensating lipsync with external device |
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| KR20120074700A true KR20120074700A (en) | 2012-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020100136618A KR20120074700A (en) | 2010-12-28 | 2010-12-28 | Audio apparatus and display apparatus having the same, apparatus and method for compensating lipsync with external device |
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| KR (1) | KR20120074700A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150030946A (en) * | 2013-09-13 | 2015-03-23 | 삼성전자주식회사 | A/v receiving apparatus and method for delaying output of audio signal and a/v signal processing system |
| EP3226570A1 (en) | 2016-03-31 | 2017-10-04 | Thomson Licensing | Synchronizing audio and video signals rendered on different devices |
| WO2020075965A1 (en) * | 2018-10-12 | 2020-04-16 | Samsung Electronics Co., Ltd. | Electronic device and control method thereof |
| WO2022092871A1 (en) * | 2020-10-28 | 2022-05-05 | 엘지전자 주식회사 | Display device and operating method therefor |
| US11375265B2 (en) | 2019-12-02 | 2022-06-28 | Samsung Electronics Co., Ltd. | Electronic apparatus and controlling method thereof |
-
2010
- 2010-12-28 KR KR1020100136618A patent/KR20120074700A/en not_active Application Discontinuation
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150030946A (en) * | 2013-09-13 | 2015-03-23 | 삼성전자주식회사 | A/v receiving apparatus and method for delaying output of audio signal and a/v signal processing system |
| EP3226570A1 (en) | 2016-03-31 | 2017-10-04 | Thomson Licensing | Synchronizing audio and video signals rendered on different devices |
| WO2017167542A1 (en) | 2016-03-31 | 2017-10-05 | Thomson Licensing | Synchronizing audio and video signals rendered on different devices |
| WO2020075965A1 (en) * | 2018-10-12 | 2020-04-16 | Samsung Electronics Co., Ltd. | Electronic device and control method thereof |
| KR20200041635A (en) * | 2018-10-12 | 2020-04-22 | 삼성전자주식회사 | Electronic device and control method thereof |
| US10732927B2 (en) | 2018-10-12 | 2020-08-04 | Samsung Electronics Co., Ltd. | Electronic device and control method thereof |
| US11375265B2 (en) | 2019-12-02 | 2022-06-28 | Samsung Electronics Co., Ltd. | Electronic apparatus and controlling method thereof |
| WO2022092871A1 (en) * | 2020-10-28 | 2022-05-05 | 엘지전자 주식회사 | Display device and operating method therefor |
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