EP2666307A1 - Dispositif de traitement audio - Google Patents
Dispositif de traitement audioInfo
- Publication number
- EP2666307A1 EP2666307A1 EP12702209.3A EP12702209A EP2666307A1 EP 2666307 A1 EP2666307 A1 EP 2666307A1 EP 12702209 A EP12702209 A EP 12702209A EP 2666307 A1 EP2666307 A1 EP 2666307A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- processing device
- audio
- audio processing
- signal
- detected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 230000005236 sound signal Effects 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000036461 convulsion Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 238000009877 rendering Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/308—Electronic adaptation dependent on speaker or headphone connection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
- H04R2205/022—Plurality of transducers corresponding to a plurality of sound channels in each earpiece of headphones or in a single enclosure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/01—Input selection or mixing for amplifiers or loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/07—Applications of wireless loudspeakers or wireless microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
Definitions
- the present invention relates to an audio processing device comprising:
- At least one connector adapted to receive data defining an input sound signal corresponding to a plurality of audio channels
- a processing module adapted to determine at least one signal intended for a loudspeaker according to said definition data
- the device further comprising a detection module adapted to detect the proximity of another similar device and the processing module is adapted to determine said signal for the loudspeaker also in function of a number of other (s) device (s) detected.
- EP 2 194 438 discloses such an audio processing device, which comprises means for connection with a portable audio device, for example an MP3 player ("MPEG Audio Layer 3") or a computer, providing music files by example.
- a portable audio device for example an MP3 player ("MPEG Audio Layer 3") or a computer
- MP3 player MPEG Audio Layer 3
- This audio processing device is placed on a docking station having loudspeakers and performs operations on the data file such as: converting the input data into an audio signal, selecting tracks from among several tracks included in the signal audio, etc. It is able, through a wireless connection with other audio processing devices, to play the same music on other speakers at the same time.
- the invention provides a solution for rendering a richer and more satisfactory audio signal using such audio processing devices.
- the subject of the invention is an audio processing device of the aforementioned type, characterized in that said determination of the signal carried out by the processing module comprises:
- the audio processing device adapts the content of the signal to be played by a speaker system (s) according to the number of devices detected.
- a speaker system s
- Such a device makes it possible to take full advantage of the proximity of several audio processing devices, by specializing the functionality of at least some of them according to their number, and this automatically and dynamically reconfigurable according to the arrival or departure of devices.
- the audio processing device according to the invention further comprises one or more of the following features.
- the audio processing device includes a communication module for communicating with at least one other similar audio processing device.
- the communication means comprise a radio transmission / reception module and wherein the detection module is adapted to detect the proximity of another audio processing device if a radio signal transmitted by the other processing device is received by the radio processing device at a level above a given threshold.
- the processing module is adapted to determine a plurality of signals for respective speakers, each of said signals being determined according to said definition data and the number of other detected device (s).
- the audio processing device comprises an audio reproduction system comprising one or more loudspeakers, each loudspeaker being each adapted to receive and restore the determined signal for said loudspeaker by said processing module.
- the processing module is further adapted to determine the signal for a speaker of the other detected audio processing device in addition to the number of other detected device (s).
- the detection module is further adapted to estimate:
- the processing module is adapted to determine the signal for the speaker according to furthermore to its own estimated position and / or the estimated rotation and / or said estimated relative position and / or said estimated distance.
- the determination of the realized signal comprises a selection of frequencies, as a function of the relative positions of the device and of the other detected device, of a channel or of a combination of channels.
- the detection module is adapted to estimate a relative height positioning of audio processing devices and to determine the signal for the loudspeaker based on said estimated positioning.
- the audio processing device is adapted to issue a warning to a user when the proximity of another device is detected, and to wait for a user command to determine the signal for the speaker according to further number of other device (s) detected.
- the command corresponds to the detection by the detection module of a jerk applied to the audio processing device.
- the audio processing device is adapted to select, after detection of another audio processing device in the vicinity, a state from a master device state and a slave-device state, a master device providing to a slave device , the data of definition of an input sound signal in function of which will be defined the signal intended for a determined loudspeaker in the slave device.
- the audio processing device is adapted to select a state from a master device state and a slave device state based on detection or non-detection by the detection module of a jolt applied to the processing device audio
- the connector is adapted to receive definition data of an input sound signal is adapted to house a source device and to interface with said source device housed to collect said data.
- the audio processing device comprises a microphone adapted to record a sound defined by another audio processing device in the vicinity and means for synchronizing the signal determined by the processing module for a loudspeaker, according to the comparison between a at least a portion of the recorded sound and a portion of the signal determined by the processing module for a loudspeaker.
- Figure 1 is a schematic view of an audio processing device in an embodiment of the invention
- Figure 2 is a view of the front face of two audio processing devices in one embodiment of the invention.
- Fig. 3 shows a curve of a signal level from an audio processing device and received by another audio processing device as a function of the distance between them;
- Figure 4 is a partition of a surface in an embodiment of the invention.
- FIG. 5 shows two audio processing devices in one embodiment of the invention
- FIG. 6 shows two audio processing devices in one embodiment of the invention
- FIG. 7 is a view of the front face of a wall of audio processing devices in one embodiment of the invention.
- Figure 8 shows a view of a housing undergoing a change of position in an embodiment of the invention
- Figure 9 shows a view of a housing undergoing a change of position in an embodiment of the invention.
- FIG. 1 is a schematic view of an audio processing device 1, hereinafter called audio box 1, in one embodiment of the invention.
- the audio box 1 comprises an input connector 2 adapted to connect to an audio data source, for example an MP3 player or a radio stream.
- an audio data source for example an MP3 player or a radio stream.
- the audio box 1 comprises a microphone 3, a memory zone 6 for storing data and software instructions defining treatments to be performed when they are executed on a microprocessor, and a detection module 4.
- It also includes an Internet interface 7, adapted for example to obtain audio streams directly from the Internet.
- the audio box comprises two amplifiers 10, 1 1.
- the amplifier 10 is connected to two speakers 14,15.
- the amplifier 1 1 is connected to two speakers 12, 13.
- the speakers are for example adapted to restore the full range of audio frequencies (so-called "full range").
- the audio box 1 comprises a communication module with other audio boxes similar to the case 1.
- this communication module comprises a radio transmitter 8 and a radio receiver 9, technology type Wi-Fi, Bluetooth or Zigbee for example in this case.
- the wireless communication means are particularly adapted to the implementation of the invention, the latter can nevertheless be implemented with wired communication means.
- the audio box 1 comprises a microprocessor 5 connected to the microphone 3, to the detection module 4, to the memory zone 6, to the input connector 2, to the Internet connector 7, to the radio transmitter 8, to the radio receiver 9 and to the amplifiers 10 and 1 1.
- the audio box 1 has additional standard or proprietary input and output connectors for connection to any type of audio source, for example, mobile phones, computers, musical instruments, etc. or peripherals, for example, speakers.
- Additional elements are included in the audio box 1, but not shown here, such as a power supply with batteries for example and / or connection to the mains, an interface with a user, including an ON / OFF button etc.
- the detection module 4 is designed to detect the close presence of another audio box of the type of the housing 1.
- the evolution of the field level received by an audio box as a function of the distance separating it from another housing is represented in FIG. 3, in one embodiment.
- the field level received by a box from another box is greater than SO when the distance between these two boxes is less than the distance d1.
- d1 is 1 meter (m); at a distance d2 equal to 3 m, it receives a level of SO / 3 and is received a level almost zero at 30 m distance.
- d1 can take distinct values, for example 10 cm, 20 cm, 1 m, 2 m.
- the housing 1 When a field level received by the housing 1 is greater than S0, the housing 1 detects the presence of another housing and sends a signal intended to warn the user, for example a characteristic "BEEP" sound. Each device beeps.
- the detection module 4 also comprises a position sensor comprising 3 accelerometers which calculate the 3 linear accelerations along 3 orthogonal axes X, Y, Z.
- the 3 axes X, Y and Z are represented in FIG. 2 relative to the audio box 20, which is similar. to the case 1.
- the detection module 4 is therefore able, from the accelerations calculated by the position sensor, to determine the position of the audio box 1 at each instant, with respect to a reference position, as well as a displacement and / or a rotation suffered by the case 1.
- the housing 1 is adapted to wait, following the issuance of this BIP, a user command to pair with the other detected case.
- the expected control in response to the "BIP" is a jolt, of the type, applied by a user to one of the two boxes detected as being close to one of the other. This step is detected by the box that received it, using the accelerometers of its detection module 4.
- the two boxes are paired and in addition, a master box is designated, the other being slave-box.
- Each change of position and / or orientation detected with respect to this location point by the detection module of a slave-box after pairing is transmitted by the Zigbee transmission means of the slave-box to the master-box. .
- the box that received the tape is the slave-box.
- the slave state can thus be supplied to an audio box by another slave audio box, having itself even been paired with a master box or box that has been.
- a housing 1 is adapted to, when it is said master-box, determine the audio signals to be supplied to its speakers, but also the audio signals to be provided to the speakers or the slave-boxes.
- This determination is made as a function of the number n of slave boxes and / or the distance separating the master box of each slave box and / or the relative positions of the boxes with each other.
- this determination is carried out further according to relative distances or positions between some or all of the housings. It is also dynamically updated according to the possible relative movements of the boxes.
- each pair corresponds to an identical location point of the matched master box and slave-box (at a distance d1 close).
- Each change of position and / or orientation detected with respect to this location point by the detection module of a slave-box after pairing being transmitted by the Zigbee transmission means of the slave-box to the master-box the latter thus knows the position of each of its slave-boxes.
- the master unit subdivides a portion of the plane (X, Y) into a position matrix having a number N of distinct positions, such that the 4 * 4 matrix shown in FIG. separate positions numbered from 1 to 16; and he assigns a position number to each paired box with him as well as himself.
- FIG. 2 represents the front face of two audio boxes 20, 21 of the type shown schematically in FIG.
- the speakers 12 20 and 13 20 correspond to the speakers 12, 13 and the speakers 14 20 and 15 20 correspond to the speakers 14, 15
- the loudspeakers 12 21 and 13 21 correspond to the loudspeakers 12, 13 and the loudspeakers 14 2 i and 15 21 correspond to the loudspeakers 14, 15.
- An audio box according to the invention may further comprise an external handle (not shown), so as to allow easy porting by a user.
- audio data is extracted from an audio source, for example an MP3 file of an MP3 player connected to the connector 2 or files downloaded from the connector 7, are stored in a buffer memory area 6, then are processed.
- an audio source for example an MP3 file of an MP3 player connected to the connector 2 or files downloaded from the connector 7
- the processing includes operations necessary to determine, according to the MP3 file, an audio signal, for example a stereo signal composed of a left channel audio signal and a right channel audio signal.
- the right channel signal is transmitted to the amplifier 11, which amplifies it before transmitting the resulting signal to the loudspeakers 12 and 13, which produce sounds corresponding to the right channel signal D.
- the channel signal left is transmitted to the amplifier 10, which amplifies it before transmitting the resulting signal to the loudspeakers 14 and 15, which produce sounds corresponding to the left channel signal G.
- each of the amplifiers 10, 1 1 is connected to all of the loudspeakers 12, 13, 14, 15 and the selection of the loudspeakers effectively supplied by each amplifier 10, 1 is a function of the position in the space of the audio box 1, in terms of rotation, orientation and / or tilt in space.
- the housing 1 adapts its behavior to its own position, determined by means of its detection module 4.
- the starting position being that represented on the left and described above, if the case is rotated by 90 ° to the right (rotation about the Y axis, middle position represented in the middle, end position shown on the right), it is designed to play the left channel G (supplied by the amplifier 10 ) on the loudspeakers 13 and 15 and the right channel D (supplied by the amplifier 1 1) on the loudspeakers 12 and 14.
- the starting position being that represented on the left and described above, if the case is rotated by 90 ° to the right (rotation about the Y axis, middle position represented in the middle, end position shown on the right)
- the left channel G supplied by the amplifier 10
- the right channel D supplied by the amplifier 1
- the starting position being that represented on the left with a view of the front of the loudspeakers, if the housing is rotated 180 ° horizontally around the Z axis, the housing 1 reverses the right and left channels.
- the loudspeakers 12, 13 diffuse the left channel coming from the amplifier 10 and the loudspeakers 14, 15 diffuse the right channel (D) from the amplifier 1 1.
- the MP3 file defines a 5.1 or 7.1 signal
- the left and right channel signals are extracted. Note that if the MP3 file does not define a stereo signal, but a mono signal, depending on the case, the same mono signal is transmitted to the amplifiers 10, 1 1, or in cases, a treatment is applied by the microprocessor 5 to give a stereo rendering, resulting in a separate signal for each of the amplifiers 10, 1 1.
- the loudspeakers 12 20 and 13 20 produce sounds corresponding to the right channel signal of a given audio file input to a connector 2 or 7 of the audio box 20 and the speakers 12 21 and 13 2 i, produce sounds corresponding to the right channel signal of a given audio file input to a connector 2 or 7 of the audio box 21 (see “D” in Fig. 2).
- the speakers 14 20 and 15 20 produce sounds corresponding to the left channel signal of the given audio input file of the audio unit 20, while the speaker 14 21 and 15 21, produce corresponding sounds left channel signal of the audio file given at the input of the audio box 21 (see “G” in FIG. 2).
- the master-box 20 determines, from the audio file which is input to it via its connector 2 or 7, the audio signals to be reproduced by each housing 20, 21.
- the definition data of the right channel signal and the left channel signal determined by the housing 20 from the sound data received via its input connector 2 or 7, are transmitted to the housing 21 by the Zigbee communication means.
- the housing 21 then stops the previous production of stereo sounds from data received on its own input connectors 2, 7.
- the received right channel signals are transmitted via an amplifier of the housing 21, to the loudspeakers 12 21 , 13 21 , of the housing 21, while the left channel signals are transmitted via an amplifier of the housing 21, to the loudspeaker 14 21 and 21.
- the speakers 12 20 and 13 20 produce sounds corresponding to the right channel signal and speakers 14 20 and 15 20 produce sounds corresponding to the left channel signal of the received audio signal at a connector 2, 7 of the housing 20.
- the two housings 20, 21 thus emit the same music, each plays in stereo, the sound power increases.
- the housings 20, 21 are progressively separated from each other by a user to a distance from one another greater than the value threshold D (for example, taken equal to d1), but still within their coverage area Zigbee mutual.
- D for example, taken equal to d1
- the master housing 20 is informed of changes in position and distance between the housings 20, 21.
- the master housing 20 successively determines their relative position.
- the master unit 20 then adapts dynamically, following the relative displacement of the two housings 20, 21, the audio signals to be restored by each housing 20, 21.
- the housing 20 At the end of the displacement, in the position matrix represented in FIG. 4, the housing 20 is in position 8, while the housing 21 is in position 12.
- the two boxes 20, 21 continue to transmit the same music, each in stereo.
- the left channel signal of the audio file coming from a connector 2 or 7 of the master box 20 is supplied at all the top Speakers of the audio housings 20, 21 on the left side of a user who would face the speaker (in this case the speaker 12 20, 13 20, 14 20 and 15 20 of the housing 20) while the right channel signal of the audio file is supplied to all the speakers of the other of the audio boxes 20, 21 (in this case the loudspeakers 12 21 , 13 21 , 14 21 and 21 of the housing 21) as shown in FIG.
- Each box then plays the same mono channel on all of its speakers.
- the spatial rendering of the sound is amplified.
- the invention makes it possible to specialize the function of each of the paired audio boxes according to their relative positioning.
- the passage of the diffusion of the stereo signal into a mono signal on each of the housings 20, 21 is progressively made as the relative displacement of the housings under the control of the master housing 20.
- the housing 20, on the left plays the left channel signal to the speakers 14 20 and 15 20 on the left, and the left channel signal mixed with the right channel signal (L + d) on the speakers 12 20 and 13 20 on the right while the housing 21, located on the right, plays the left channel signal mixed with the right channel signal (D + g) on the loudspeakers 14 2 i and 15 21 on the left, and the right channel signal on the loudspeakers 12 2 i and 13 21 on the right, as shown in FIG.
- the mixtures gradually decrease as the displacement is made until the distance D is crossed.
- three additional audio slave boxes are then paired with the master audio box 20. After pairing, they are placed for example in positions 2, 6 and 16 of the position matrix shown in FIG. add to boxes 20 and 21 which are in positions 8 and 12.
- each box under the control of the master-box 20, each box is selectively assigned a channel of the configuration 5.1 of the audio file at the input of the master box 20, each box being then specialized and playing the role of a dedicated speaker of a 5.1 system.
- the channels played are distinct from each other.
- a specialization in terms of frequencies is controlled by the master-case according to the relative positions of the housings, for example according to the Z axis and / or depending on the distances between the housings.
- the master box knows the positions of the different slave-boxes that have been matched.
- it can drive the housings of a wall made of housings as shown in FIG. 7 (comprising in the case represented 9 housings) so that the loudspeakers of all the boxes diffuse the bass an audible signal, that the speakers of the lower housings 101, 102 103, exclusively broadcast bass, that the speakers of the intermediate boxes 201, 202, 203 only broadcast bass and midrange and that the speakers of the housings upper 301, 302, 303 only broadcast bass and treble.
- the boxes synchronize, using their respective microphone 3 so as to compensate for processing and / or transmission latencies.
- Some portions of the audio signal such as the bass are not lateralized and therefore are present on all paired boxes, even when they are specialized according to the invention.
- These portions transmitted from the speakers of other housings are recorded by the microphone of each considered housing and allow a registration by comparison (for example by inter correlation between the two portions) between a portion captured with the microphone and the corresponding portion played by the considered housing.
- the adaptation of the audio functionality of a box (by dynamic assignment of a dedicated channel, by combination of several channels and / or specialization in terms of frequencies) is performed according to a factor or a combination of several factors among the number of close housings, the distance between housings, relative positioning, including height, boxes etc.
- the audio processing device 1 integrates 4 loudspeakers and 2 amplifiers.
- an audio processing device according to the invention comprises any integer number of amplifiers and / or loudspeakers, which may be zero in particular.
- the audio processing device according to the invention does not include built-in loudspeaker (s), it delivers at output terminals the signals intended for loudspeakers. These signals are then supplied to input terminals of one or more speakers of an outdoor base associated with the audio processing device.
- the external base is connected to the audio processing device by a direct connection (for example the device is clipped into a housing of the external base) or wired or wireless.
- the audio processing device may be an external removable device of the iPod or iPhone type, which has the detection devices, antenna, microphone necessary and which is controlled by a software application, for example downloadable.
- a software application for example downloadable.
- the processing for determining the audio signals to be played by the master box and the slave box (s) is performed in the master box.
- the boxes are adapted to operate in cooperative mode, according to which the processes are shared between the different paired boxes.
- the position sensor comprises for example six accelerators (inertial unit), or three accelerometers and a compass.
- the accelerometer position sensor of an audio package is replaced by a position sensor using other technologies for determination of the position and displacements (rotation in space, translation) for example by analyzing sounds emitted by the housings.
- the present invention proposes a box adapted to specialize and / or adapt its audio reproduction functionality in terms of the type of channel played among several channels of the audio signal to be played or of frequency range, and if necessary to specialize and / or adapt the functionality of other enclosures located nearby, depending on the number of these boxes and / or their respective positions.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Circuit For Audible Band Transducer (AREA)
- Stereophonic System (AREA)
- Stereophonic Arrangements (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1150409A FR2970574B1 (fr) | 2011-01-19 | 2011-01-19 | Dispositif de traitement audio |
PCT/EP2012/050792 WO2012098191A1 (fr) | 2011-01-19 | 2012-01-19 | Dispositif de traitement audio |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2666307A1 true EP2666307A1 (fr) | 2013-11-27 |
EP2666307B1 EP2666307B1 (fr) | 2021-03-24 |
Family
ID=44370688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12702209.3A Active EP2666307B1 (fr) | 2011-01-19 | 2012-01-19 | Dispositif de traitement audio |
Country Status (8)
Country | Link |
---|---|
US (1) | US10187723B2 (fr) |
EP (1) | EP2666307B1 (fr) |
JP (1) | JP5973465B2 (fr) |
KR (1) | KR101868010B1 (fr) |
CN (1) | CN103329570B (fr) |
BR (1) | BR112013018376B8 (fr) |
FR (1) | FR2970574B1 (fr) |
WO (1) | WO2012098191A1 (fr) |
Families Citing this family (17)
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JP2014176070A (ja) * | 2013-03-13 | 2014-09-22 | D & M Holdings Inc | 無線スピーカ、無線オーディオセンタ、および、無線オーディオシステム |
EP2804397B1 (fr) * | 2013-05-15 | 2015-07-08 | Giga-Byte Technology Co., Ltd. | Système de haut-parleurs à commutation de canaux audio automatique |
BR112015028409B1 (pt) | 2013-05-16 | 2022-05-31 | Koninklijke Philips N.V. | Aparelho de áudio e método de processamento de áudio |
KR102114219B1 (ko) | 2013-10-10 | 2020-05-25 | 삼성전자주식회사 | 오디오 시스템 및 오디오 출력 방법, 그리고 스피커 장치 |
JP6291035B2 (ja) * | 2014-01-02 | 2018-03-14 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | オーディオ装置及びそのための方法 |
WO2015123658A1 (fr) | 2014-02-14 | 2015-08-20 | Sonic Blocks, Inc. | Système audiovisuel modulaire à raccordement rapide et procédés associés |
SE1451466A1 (sv) | 2014-03-26 | 2015-09-27 | Sound Dimension Ab | Device for reproducing sound |
CN104157108B (zh) * | 2014-08-26 | 2016-08-24 | 北京智谷技术服务有限公司 | 告警方法和设备 |
CN104301835A (zh) * | 2014-10-25 | 2015-01-21 | 宁波摩通信息科技有限公司 | 一种改善音质的咪咕音乐播放器 |
NL2013704B1 (en) | 2014-10-29 | 2016-10-04 | Ouborg & Gatin Ip B V | Audio reproduction system comprising speaker modules and control module. |
CN104967953B (zh) * | 2015-06-23 | 2018-10-09 | Tcl集团股份有限公司 | 一种多声道播放方法和系统 |
US9866965B2 (en) * | 2016-02-08 | 2018-01-09 | Sony Corporation | Auto-configurable speaker system |
FR3055173B1 (fr) * | 2016-08-22 | 2019-08-16 | Devialet | Dispositif d'amplification comprenant un circuit de compensation |
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CN103329570B (zh) | 2018-02-27 |
FR2970574B1 (fr) | 2013-10-04 |
FR2970574A1 (fr) | 2012-07-20 |
CN103329570A (zh) | 2013-09-25 |
BR112013018376B8 (pt) | 2021-02-23 |
BR112013018376A2 (pt) | 2016-10-11 |
JP2014508444A (ja) | 2014-04-03 |
EP2666307B1 (fr) | 2021-03-24 |
US10187723B2 (en) | 2019-01-22 |
BR112013018376B1 (pt) | 2021-02-09 |
KR101868010B1 (ko) | 2018-07-19 |
JP5973465B2 (ja) | 2016-08-23 |
WO2012098191A1 (fr) | 2012-07-26 |
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