EP2567554A1 - Audio system equalization for portable media playback devices - Google Patents
Audio system equalization for portable media playback devicesInfo
- Publication number
- EP2567554A1 EP2567554A1 EP11717394A EP11717394A EP2567554A1 EP 2567554 A1 EP2567554 A1 EP 2567554A1 EP 11717394 A EP11717394 A EP 11717394A EP 11717394 A EP11717394 A EP 11717394A EP 2567554 A1 EP2567554 A1 EP 2567554A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- portable media
- media device
- playback system
- corrective filters
- playback
- 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
Classifications
-
- 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
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
Definitions
- the present disclosure relates generally to audio signal processing and in
- Portable media devices have become an extremely common way for playback of media.
- Devices that playback digitally stored audio such as iPods ® and mobile phones are used for the playback of both music and audiovisual content.
- An increasing trend for such devices is their attachment to a wide variety of reproduction devices and systems for playback of the audio.
- a user might attach her iPod to a home theater system that include speakers, to a TV with speakers, or to a standalone docking station with speakers.
- a user might attach her iPod to a home theater system that include speakers, to a TV with speakers, or to a standalone docking station with speakers.
- Each of these is an example of a different playback system to which the same portable device might be attached.
- each set of equalization filters each set applicable to a different ones of the playback systems to which the portable device might be attached to equalize for the overall system comprising the portable media device and the playback system to which it is attached. It also would be advantageous to have an end-user operated method of determining, using a portable media device, a set of equalization filters to use in the portable media device with a particular playback system to equalize for the overall system comprising the portable media device and the playback system to which it is attached.
- FIGS. 1A and IB each show a simplified view of a user, a portable media device, and a playback system to which the portable media device can be coupled, with FIG. 1A showing the elements in a calibration mode, and FIG. IB showing the elements in a playback mode.
- portable media device that includes at least one feature of the present invention.
- FIG. 3 shows a simplified block diagram of one example embodiment of a
- FIG. 4 shows a simplified flowchart of an embodiment of a calibration method.
- FIG. 5 shows a simplified flowchart of a method of operating a portable media device for which or on which is stored the data for a collection of sets of corrective filters.
- FIG. 6 shows a simplified block diagram of one arrangement according to some embodiments of the invention that include remote storage of the data for the collection of one or more sets of corrective filters.
- Embodiments of the present invention include a method, an apparatus, a system, and logic encoded in a computer-readable storage medium to instruct a processing system to carry out the method.
- the method includes applying corrective filtering, e.g., equalization filtering directly in a portable media device at least to correct for, e.g., equalize for the overall system comprising the portable media device and the playback system to which it is attached.
- Some embodiments include a method of operating a portable media device.
- the method comprises, while the portable media device is coupled to a particular playback system, playing back an audio signal on the portable media device and particular playback system combination in a particular listening arrangement while the portable media device applies a particular set of one or more corrective filters selected from a pre- stored collection of one or more sets of corrective filters or the data therefor.
- the collection of one or more sets of corrective filters or the data therefor is pre-stored in or for the portable media device.
- Each of one or more sets of the collection is associated with a corresponding listening arrangement and a corresponding playback system.
- the particular set of one or more corrective filters is determined by a calibration process that includes: recording on the portable media device a sound field resulting from one or more pre-defined calibration signals being played back on the particular playback system, the recording using a microphone built in or connected to the portable media device while the microphone is at one or more listener locations of the particular listening arrangement, analyzing the recording of the sound field to determine the particular set of one or more corrective filters at least to equalize for the particular playback system, and storing the data for the particular set of one or more corrective filters in or for the portable media device for the particular playback system.
- Some embodiments include a method of operating a portable media device
- the method includes analyzing the recording of the sound field to determine a particular set of one or more corrective filters at least to equalize for the particular playback system, and storing the data for the particular set of one or more corrective filters in or for the portable media device for the particular playback system, such that while the portable media device is coupled to the particular playback system, an audio signal is playable on the portable media device and particular playback system combination in the particular listening arrangement while the portable media device applies the determined particular set of one or more corrective filters.
- the storing of the data for the particular set of one or more corrective filters is into a pre-stored collection of one or more sets of corrective filters or the data therefor stored in or for the portable media device, each of one or more sets of the collection being associated with a corresponding listening arrangement and a corresponding playback system.
- Some embodiments include a portable media device that includes a playback subsystem configured to play back a selected audio signal, and a filter subsystem coupled to the playback subsystem and configured to apply a set of one or more corrective filters to an audio signal during playback of the audio signal.
- the portable media device further includes a coupling configured to couple the portable media device to a matching coupling included in a playback system; a user interface configured to accept input from a user; and a microphone or a coupling to a microphone.
- the filter subsystem is configured to apply a particular set of one or more corrective filters associated with a particular playback system and particular listening arrangement during playback of an audio signal via the particular playback system when the portable media device is coupled to the particular playback system in the particular listening
- the particular set of one or more corrective filters is part of a collection of one or more sets of corrective filters or the data therefor pre-stored in or for the portable media device, each of one or more sets of the collection being associated with a corresponding listening arrangement and a corresponding playback system.
- the portable media device is configured to record a sound field resulting from one or more pre-defined calibration signals being played back on the particular playback system, the recording using the microphone in or connected to the portable media device while the microphone is at one or more listener locations of the particular listening arrangement.
- the portable media device also is configured to analyze the recording of the sound field to determine the particular set of one or more corrective filters at least to equalize for the particular playback system; and store the data for the particular set of one or more corrective filters in or for the portable media device for the particular playback system.
- Some embodiments include a portable media device that includes: means for playing back an audio signal, means for filtering configured to apply a set of one or more corrective filters to an audio signal during playback of the audio signal by the means for playing back; means for coupling the portable media device to a playback system; means for accepting input from a user; and means for recording a sound field.
- the means for filtering is configured to apply a particular set of one or more corrective filters associated with a particular playback system and particular listening arrangement during playback of an audio signal via the particular playback system when the portable media device is coupled by the means for coupling to the particular playback system in the particular listening arrangement.
- the particular set of one or more corrective filters is part of a collection of one or more sets of corrective filters or the data therefor pre-stored in or for the portable media device, each of one or more sets of the collection being associated with a corresponding listening arrangement and a corresponding playback system.
- Some versions of the portable media device further include: means for analyzing a recording of a sound field resulting from one or more pre-defined calibration signals to determine a set of one or more corrective filters; and means for storing the data for a set of one or more corrective filters.
- the means for recording is configured to record a sound field resulting from one or more pre-defined calibration signals being played back on the particular playback system at one or more listener locations of the particular listening arrangement
- the means for analyzing is configured to analyze the recording of the sound field to determine the particular set of one or more corrective filters at least to equalize for the particular playback system
- the means for storing is configured to store the data for the particular set of one or more corrective filters in or for the portable media device for the particular playback system.
- Particular embodiments may provide all, some, or none of these aspects, features, or advantages. Particular embodiments may provide one or more other aspects, features, or advantages, one or more of which may be readily apparent to a person skilled in the art from the figures, descriptions, and claims herein.
- FIGS. 1A and IB each shows a simplified view of a user 141, a portable media device 121, and a playback system 103 to which the portable media device can be coupled. These are example elements of example embodiments of the invention.
- FIG. 1A shows the elements in a calibration mode
- FIG. IB shows the elements in a playback mode.
- the portable media device 121 includes a coupling 127 configured to couple the portable media device to a matching coupling included in a playback system, in this case, the playback system 103.
- the portable media device 121 also includes a user interface 123, typically including a display device and a user input mechanism, such user input mechanism configured to accept commands from the user 141.
- the portable media device 121 also includes a playback subsystem 128 configured to play back a selected audio signal and a filter subsystem 129 coupled to the playback subsystem and configured to apply a set of one or more corrective filters to an audio signal during playback of the audio signal.
- the storage subsystem is configured to store data for one or more sets of corrective filters, and apply the data of a particular set to the filter subsystem.
- the playback system 103 includes at least one loudspeaker 105— two are shown in this example playback system, and a playback module 107 that includes one or more audio amplifiers.
- FIG. IB illustrated one aspect of the invention, comprising normal playback of an audio signal from a media file stored in the portable media device 121 while the portable media device 121 is coupled to the playback system 103 via coupling 127 and 113 on the media device 127 and playback system 103, respectively.
- the user 141 is at a particular listener position.
- the particular listening environment and locations of the playback system and listener define a listening arrangement.
- the playing back of the audio signal on the portable media device and particular playback system combination is while the portable media device 121 applies using the filter subsystem 129 a particular set of one or more corrective filters selected for this particular playback system 103 and listening arrangement from a pre-stored collection of one or more sets of corrective filters.
- corrective filters e.g., in the form of data for the filters, is pre-stored in or for the portable media device 121 and listening arrangement.
- Each set of one or more corrective filters of the collection is associated with a corresponding playback system and corresponding listening arrangement.
- FIG. 1A illustrates another aspect of the invention: a calibration process to
- the portable media device 121 either includes built in, or is connectable to at least one microphone 125.
- the calibration process includes recording on the portable playback device 121 a sound field resulting from at least one pre-defined calibration signal 111 being played back on the particular playback system 103 while the microphone 125 is at one or more desired listener locations of the listening arrangement.
- the calibration process includes analyzing the recording of the sound field to determine data for the particular set of one or more corrective filters at least to equalize for the particular playback system (and possibly also for the listening environment), and storing the data for the particular set of one or more corrective filters in or for the portable media device 121 for the particular playback system (and listening arrangement). Note that in some embodiments, the calibration process includes make recordings from several locations and the results averaged. Thus there may be more than one desired listening location associated with a listening arrangement. [0025] In this manner, the data for a collection of sets of corrective filters is pre- stored in or for the portable media device, each set of the collection associated with a
- the devices are identical to The devices.
- the invention is not limited as to the type of portable media device.
- the invention is not limited as to the type of portable media device.
- portable media devices include, but are not limited to audio playback devices such as the Apple IPOD®, Sandisk SANSA®, Creative ZEN VISION®, Microsoft ZUNE®, and other models too numerous to list from other manufacturers.
- audio playback devices such as the Apple IPOD®, Sandisk SANSA®, Creative ZEN VISION®, Microsoft ZUNE®, and other models too numerous to list from other manufacturers.
- Examples also include, but are not limited to cellular telephones that have audio storage and playback capability, made by virtually every manufacturer of cellular telephones, and so-called "smart" cellular telephones such as the Apple IPHONE, Google NEXUS ONE, and many others too numerous to list. Many of these are able to play back not only digitally stored audio data, but also audiovisual content, such as digitally stored video files that may include digitally stored audio data.
- the invention also is also not limited to the type of playback system.
- the invention also is also not limited to the type of playback system.
- minimum requirements are the inclusion of one or more speakers, and the ability to connect to a portable playback device, either directly by being docked thereto, by a wired connection, by a wireless connection, and via a wired or wireless network.
- the minimum requirements also include the ability to receive at least one signal that includes at least audio content from the portable playback device while connected thereto, and to playback at least the audio of the signal.
- the minimum requirements also include the ability to playback one or more calibration files, either stored in the playback system, loadable into a storage subsystem in the playback system, or sent to the playback system from an external calibration signal source. Examples of playback systems include, but are not limited to, so called docking speakers designed to include connectors for a specific model or models of portable media devices. For example, Amazon.com, a popular shopping Website in the USA, listed on 16 March 2010 1,953 items for the search "iPod speaker" in the category electronics, and 1,295 items for the search
- Examples of playback systems also include, but are not limited to, home theatre systems that include home theatre receivers, some of which also include connectors for specific model or models of portable media devices, while others include common input connectors such as phono (RCA) connectors and sockets for TRS (tip, ring, sleeve) or TRRS ((tip, ring, ring, sleeve) connectors.
- Examples of playback systems also include, but are not limited to, televisions that include or are connected to loudspeakers. Such televisions commonly include connectors for external audio.
- Examples also include, but are not limited to, automotive audio systems that in 2010 commonly include connectors for specific model or models of portable media devices, and/or common input connectors such as sockets for a TRS (tip, ring, sleeve) or TRRS ((tip, ring, ring, sleeve) connector.
- TRS tip, ring, sleeve
- TRRS TRRS
- Embodiments of the present invention are particularly useful because a particular portable media device can be connected to more than one playback system.
- An example portable media device An example portable media device
- FIG. 2 shows a simplified block diagram of one example embodiment of a
- portable media device that includes at least one feature of the present invention. It would be clear to one skilled in the art that not all the elements shown in FIG. 2 would be included in all portable media device embodiments, and further, that some portable media device may include additional elements not shown in FIG. 2.
- the digital elements of the portable media device 121 include elements that are coupled by a bus subsystem 241, shown purely for the sake of simplicity as a single bus. These digital elements include at least one processor 243, a storage subsystem 245, a user interface 123, at least one digital interface 231 coupled to a main connector 211, and one or more digital-to-analog converters (DACs) to convert digital information such as digitized audio signals to analog audio signals for playback via one or more audio amplifiers in an analog subsystem 225, and one or more analog-to-digital converters (ADCs) to convert an analog audio signal to a digitized analog signal.
- the DACs and ADCs are shown with their associated interfaces as module 233.
- the DACs and ADCs 233 are coupled to the analog subsystem 225.
- the portable media device 121 also includes at least one wireless interface 249 such as, but not limited to, a wireless network interface, a Bluetooth interface, an infrared interface, or the like.
- a wireless network interface such as, but not limited to, a Bluetooth interface, an infrared interface, or the like.
- One such wireless interface is a common Wi-fi IEEE 802.11 wireless network interface.
- embodiments of the portable media device 121 also include a cellular telephone wireless network interface so that the device can act as a cellular telephone. Some embodiments also include other wireless network interfaces such as a Bluetooth interface.
- the portable media device 121 also includes a battery and associated electronics subsystem 215 coupled in one embodiment to the main connector 211.
- the analog subsystem 225 is connected to the main
- the main connector 211 so that, for example, analog audio signals are available at the main connector 211.
- the main connector 211 is also coupled to the bus subsystem 241 and the at least one digital interface 231 so that signals are provided to and obtainable from whatever the main connector 211 is connected to.
- the analog subsystem 225 is coupled to a microphone 125, which in this case
- This embodiment is built in. Other embodiments are connectable to a microphone 125. This embodiment also includes at least one loudspeaker 227 connected to the analog subsystem 225. A set of at least one input/output connectors 213 is included so that an external set of loudspeakers, e.g., loudspeakers incorporated in headphones, can be connected and also so that different analog audio signals can be input via the analog subsystem 225.
- loudspeakers e.g., loudspeakers incorporated in headphones
- the user interface 123 includes a display screen 261
- buttons 264 to accept input from a user
- a keypad/keyboard 263 also to accept input from a user.
- the display screen 261 includes a touch sensitive surface to accept input from the user, and in some such embodiments, at least some of the buttons 264 are so- called soft buttons in that they are generated by causing a particular area of the display screen 261 to display a button, possibly with a message for the user, and such that the user touching the particular area causes an input that is the same as if a hardware button is displayed.
- the buttons 264 are so- called soft buttons in that they are generated by causing a particular area of the display screen 261 to display a button, possibly with a message for the user, and such that the user touching the particular area causes an input that is the same as if a hardware button is displayed.
- a separate module is shown for keypad/keyboard 263, some or all of these elements may comprise soft buttons on the display screen 261.
- the storage subsystem 245 includes programs in the form of executable
- the storage subsystem 245 also is configured to store digital content, shown in FIG. 2 as stored audiovisual (AV) content 253, but which may include only digitally stored audio.
- the content in the stored content 253 is typically stored as compressed data files, e.g., in the case of audio as AAC or MP3 files, such as audio file 254.
- the programs 251 also include instructions that when executed cause playback of a digitally stored audio file to form digital signals that are converted to analog form by the DACs in module 233, and amplified by at least one amplifier in the analog subsystem 225.
- the portable media device 121 includes a playback subsystem configured to play back a selected audio signal.
- the playback system is made up of elements of the analog subsystem 225, the DACs of module 233, and instructions within the programs 251 in the storage subsystem 245 that when executed cause playback of audio content that forms the selected audio signal.
- the storage subsystem 245 also is configured to store a plurality of corrective filter profiles, e.g., equalization profiles 257 that include data needed to implement sets of corrective filters.
- each corrective filter profile 258 of corrective filter profiles collection 257 provides the data needed to implement a particular set of one or more corrective filters for a particular playback system.
- the portable media device 121 includes a filter subsystem coupled to the playback subsystem and configured to apply a set of one or more corrective filters to an audio signal during playback of a selected audio signal.
- the storage subsystem 245 is made up of several types of storage devices, and include solid state memory and may include magnetic memory, e.g., as a hard disk. Many variations are possible as would be clear to one skilled in the art.
- Some of the elements of portable media device 121 may be provided as part of a large integrated circuit. The functionality may be divided between more than one device. Furthermore, there may be one or more discrete components. At least one element's functionality may be provided by executing one or more programs on one or more of the at least one processor 243.
- the one or more processors 243 may include the functionality of a DSP device, e.g., in the form of a DSP portion of an integrated circuit, or in some embodiments, in the form of a separate DSP device.
- a general purpose processor may be used instead or in addition. Many such variations are possible. Further details on possible architectures of the portable media device 121 are not provided herein in order not to obscure the inventive aspects.
- FIG. 3 shows a simplified block diagram of one example embodiment of a
- the portable media device is connectable to more than one playback system.
- the playback system shown is one example. It would be clear to one skilled in the art that not all the elements shown in FIG. 3 would be included in all playback system embodiments, and further, that some playback systems may include additional elements not shown in FIG. 3.
- the playback system of FIG. 3 includes many digital elements, including storage of digital media files, and includes interfaces to connect the playback system to a wireless network and to have a wired network connection. Many playback systems would not have such elements.
- the playback system includes a coupling (shown as coupling 113 in FIGS. 1A and IB) to a portable media device such as media device 121.
- the coupling 113 is in the form of a main connector 311 configured to connect to a portable media device, e.g., device 121.
- the main connector 311 includes connections that accept analog audio signals from a connected portable media device.
- Main connector 311 is connected to an analog subsystem 325 that includes one or more audio amplifiers for playback of the audio signals via a coupled set of one or more
- loudspeakers 105 The loudspeakers 105.
- a set of at least one input/output connectors 313 is included so that different analog audio signals can be input via the analog subsystem 325.
- the analog input connector in 313 can act as the coupling (shown as coupling 113 in FIGS. 1A and IB) to a portable media device instead of, or in addition to main connector 311.
- main connector 311 e.g., a cordless connection
- an output terminal is also included in element 313 so that an external set of loudspeakers, e.g., headphones that include loudspeakers devices can be connected.
- control of volume, etc. is achieved via a user
- a user interface for a playback system may of course also include one or more analog elements, such as analog volume controls.
- the digital elements of the playback system embodiment 103 include elements that are coupled by a bus subsystem 341, shown purely for the sake of simplicity as a single bus. These digital elements include at least one processor 343, a storage subsystem 345, the user interface 347, at least one digital interface 331 coupled to a main connector 311, and one or more digital-to-analog converters (DACs) to convert digital information such as digitized audio signals from AV content stored in the storage subsystem 345 to analog audio signals for playback on the at least one loudspeaker 105 via the one or more audio amplifiers in analog subsystem 325.
- the DACs are shown with their associated interfaces as module 333 and coupled to the analog subsystem 325.
- the playback system 103 also includes at least one wireless interface 349 such as, but not limited to a wireless network interface, a Bluetooth interface, an infrared interface, or the like.
- a wireless network interface is a common Wi- fi IEEE 802.11 wireless network interface.
- the wireless network interface enables connection to a network, e.g., a home network which in turn may be connected to an external network, e.g., the Internet.
- Some embodiments of the playback system 103 also include a Bluetooth interface, and an infrared interface configured to accept commands from a remote control device 315.
- Some embodiments also include one or more other network interfaces 335 so that the playback system 103 can be connected to a wired network, e.g., a wired home network which in turn may be connected to an external network, e.g., the Internet.
- a wired network e.g., a wired home network which in turn may be connected to an external network, e.g., the Internet.
- the main connector is also coupled to a charging circuit 317 configured to supply power to charge a connected portable playback device, and to accept control signals related to the charging.
- the main connector 311 is also coupled to the bus
- subsystem bus subsystem 341 and the at least one digital interface 331 so that signals are provided to and obtainable from whatever the main connector 311 is connected to.
- the storage subsystem 345 includes programs in the form of executable instructions that when executed by the at least one processor 343 cause carrying out of regular functionality of the playback system 103.
- the storage subsystem 345 is also configured to store digital content, shown in FIG. 3 as stored audiovisual (AV) content 353, but which may include only digitally stored audio.
- the content in the stored content 353 is typically stored as compressed data files, e.g., in the case of audio as AAC or MP3 files, such as audio file 354.
- a user interface 347 that is digitally driven is included.
- the user interface 347 includes a display screen 361 operative to display information to a user, and one or more buttons and knobs 364 to accept input from a user.
- the display screen 361 includes a touch sensitive surface to accept input from the user, and in some such embodiments, at least some of the buttons or knobs 364 are so-called soft buttons in that they are generated by causing a particular area of the display screen 361 to display a button, possibly with a message for the user, and such that the user touching the particular area causes an input that is the same as if a hardware button is displayed.
- some of the programs 351 for example, provide such functionality when executing as causing displaying and accepting input from buttons 364, including soft buttons displayed in the display screen 361
- the storage subsystem 345 is made up of several types of storage devices, and includes solid state memory and may include magnetic memory, e.g., as a hard disk. Many variations are possible as would be clear to one skilled in the art.
- One aspect of embodiments of the invention is playback of one or more
- calibration signals by the playback system.
- the calibration signals may be input, e.g., via an external connector, or via a wireless or wired connection.
- calibration signals may be pre-stored in digital form in the storage subsystem.
- the calibration signals may be obtained by connection and then stored in the storage subsystem 355 in digital form for playback. Digitally stored calibration signals are shown as calibration signals 355 in the example embodiment of FIG. 3.
- Some of the elements of playback system 103 may be provided as part of a large integrated circuit. The functionality may be divided between more than one device. Furthermore, there may be one or more discrete components. At least one element's functionality may be provided by executing one or more programs on one or more of the at least one processor 343. Many such variations are possible. Further details on possible architectures of the playback system 103 are not provided herein in order not to obscure the inventive aspects.
- An inventive aspect of embodiments of the present invention is that a single portable media device may be connected to several different playback devices, or even the one device that may be listened to in different locations.
- a single portable media device may be connected to several different playback devices, or even the one device that may be listened to in different locations.
- the disclosed invention provides mechanisms and methods for applying
- corrective filtering e.g., equalizing each of a variety of playback systems to which a portable media device might be attached by applying the corrective filtering directly in the portable media device.
- the invention is not limited to any particular type of corrective filtering, and equalization is an example of corrective filtering than can be applied as described herein.
- Some embodiments include a method of operating a portable media device 121.
- the method includes playing back an audio signal on the portable media device
- the portable media device 121 applies a particular set of one or more corrective filters selected from a pre-stored collection of data for at least one set of one or more corrective filters.
- the data for the collection of one or more sets of corrective filters is pre-stored in or for the portable media device 121.
- the data for each set of the collection is associated with a corresponding playback system (and listening arrangement).
- the particular set of one or more corrective filters is shown as a profile 258 that includes the data needed to implement the set of filters, e.g., by running one or more programs on at least one of the one of more processors 243.
- the term listening arrangement may cover one specific location, or may cover a range of listening locations or any listening location for the particular playback system.
- the corrective filters may be designed for equalizing listening to a playback system having particular loudspeakers 105, and while possible being determined for one specific listener location, may be usable for a range of listening locations.
- one may make measurements (recording) from a plurality of locations to determine a single averaged correction filter for a range of locations.
- the term "listening arrangement" should not be taken to imply only a single listening location using the particular playback system, i.e., not applicable to other locations using the particular playback system.
- a corrective filter determined from one or more recordings from a single location may be used for a range of locations, and secondly, in some calibration method embodiments, one can make measurements from several locations in order to determine a single set of "averages" corrective filters suitable for a range of locations.
- FIG. 4 shows a simplified flowchart of an embodiment of a calibration method 400.
- the method 400 includes in 403 playing back one or more pre-defined calibration signals 111 on the particular playback system 103, and , during the playback, in 405, recording on the portable playback device 121 the sound field resulting from one or more pre-defined calibration signals 111 being played back on the particular playback system 103.
- the recording uses a microphone 125 built in or connected to the portable media device 121 while the microphone 125 is at one or more desired listener locations that are part of the listening arrangement.
- there may be more than one location associated with a listening arrangement and the recordings may include recordings taken at more than one location.
- the method includes in 407 analyzing the recording of the sound field to determine the particular set of one or more corrective filters at least to equalize for the particular playback system (and possibly also for the listening environment), and in 409, storing the particular set of one or more corrective filters in or for the portable media device for the particular playback system (and listening environment).
- the storing is in the portable media device 121.
- the storing, while possibly temporarily, is on the portable media device 121 is then or later stored remotely, e.g., on a remote storage system on a remote server, for the portable media device 121.
- the storing being "in or for" the portable media device 121 for the particular playback system 103 (and listening environment).
- the portable media device 121 includes a user interface that presents a 'calibrate' button in buttons 264, or some other function to enable a user to indicate to carry out the recording, analyzing, and storing of the particular set of one or more corrective filters.
- the calibration method includes receiving on the user interface an indication from a user to carry out the recording, analyzing, and storing of the particular set of one or more corrective filters, and carrying these steps out in response to such receiving.
- embodiments of the method provide an extremely easy-to-use, self- contained form factor for calibration. A user can simply hit the 'calibrate' button in buttons 264 and hold the portable media device 121 in a listening position, e.g., in front of the playback system speakers 105.
- the calibration signals in one embodiment are pre-stored in the portable media device portable media device 121, e.g., as calibration signals 255 in the storage subsystem 245 of the portable media device 121, and loaded into a playback system 103 for storage within the playback system.
- the portable media device 121 is connected to the playback system by wire or wirelessly from the listening position, and the calibration signal is sent to the playback system 103 and played back while the resulting sound field is recorded for analysis to determined the particular set of one or more corrective filters for the portable media device 121 and playback system combination.
- the calibration signal or signals are provided for playback on the playback system by some other mechanism, e.g., pre-loaded in the playback system, or provided in real time by another source.
- the invention is not limited to any particular way of providing the calibration signal(s) to the playback system.
- the invention is also not limited to the manner any calibration signal is provided to the playback system, e.g., digital form or as an analog signal.
- FIG. 5 shows a simplified flowchart of a method 500 of operating a portable media device, e.g., device 121 for which or on which is stored the data for a collection of sets of corrective filters, e.g., in the form of the data for implementing the corrective filters, each set associated with a corresponding playback system (and listening arrangement).
- a portable media device e.g., device 121 for which or on which is stored the data for a collection of sets of corrective filters, e.g., in the form of the data for implementing the corrective filters, each set associated with a corresponding playback system (and listening arrangement).
- the method includes in 503 connecting the portable media device 121 to the particular playback system 103 in a particular listening environment.
- the method further includes in 505 selecting (manually or automatically) the pre-stored particular set of one or more corrective filters at least to equalize for the particular playback system 103 (and possibly also for the listening environment).
- 505 includes loading at least the selected particular set of one or more corrective filters. This might occur separately, and at a different time from the selecting.
- 507 includes playing back an audio signal on the portable media device 121 while the portable media device 121 is connected to the particular playback system 103.
- the playing back includes applying the particular set of one or more corrective filters.
- the portable media device includes a user interface 123 that includes, e.g., as buttons 264, indication to the user of one or more pre-stored sets of corrective filters.
- the method includes the media portable device 121 receiving, e.g., via the user interface 123, an indication from a user to use a particular set of one or more corrective filters for playback.
- Some embodiments provide for automatic selection of the set of one or more corrective filters.
- the playback system may be configured to provide an indication to an attached portable media device, e.g., providing signals via the main connector that are indicative of the type and/or model of playback device.
- the method 500 includes the portable media device receiving an indication from the particular playback system indicating that particular portable media device is coupled to the particular playback system.
- Some embodiments of the portable media device are configured such that, responsive to the indication, the method includes automatically selecting the particular set of one or more corrective filters associated with the particular portable media device for playback.
- some embodiments of the portable media devices have pre-defined sets of corrective filters that are pre-defined for particular classes of playback systems. For example, simple "docking speakers" playback systems may form a class, television receivers may form a class, home stereo receivers with connected speakers may form a class, home receivers with a connected subwoofer may form a class, automotive playback systems in an automobile may form a class, and so forth.
- at least one of the sets of corrective filters is a default set predefined for a class of playback systems.
- the invention is not limited to any particular type of corrective filters or how such corrective filters are implemented or specified.
- portable media devices may have enough processing power to implement more sophisticated correcting filters than a set of multi-band equalizing filters.
- Some possible types of corrective filters are described below. These are provided as examples only and not to limit the invention to any particular types of corrective filters.
- Some embodiments of the set of one or more corrective filters include a set of multi-band equalizing filters.
- the frequency range of listening is partitioned into a set of frequency bands, and each filter of the set of multi-band equalizing filters sets a relative gain for one of the frequency bands.
- Such multi-band equalizing filters are well known in the art.
- the number of frequency bands for any particular portable media device can be fixed, or settable, and is typically a relatively small number, e.g., 6, 9, or 12.
- There are many ways of implementing such filters and one embodiment uses digital signal processing methods implemented by a program in programs 251 executing on the processor 243, e.g., on a DSP element.
- applying the particular set of one or more corrective filters when the portable media device is coupled to a particular playback system includes digitally processing digital signals on at least one of the one or more processors of the portable media device.
- the multi-band equalizing filters are implanted as a set of digital parametric filters at respective frequency bands.
- Such parametric filters are defined by a set of parameters.
- each set of parameters is stored as a corrective filter profile 258 of corrective filter profiles collection 257 and is usable to implement a particular set of one or more corrective filters for a particular playback system.
- playback circuitry in the portable media device 121 implements a variable set of gain controls according to respective gain parameters for a pre-defined number of frequency bands.
- a set of gain settings is stored as a corrective filter profile 258 of corrective filter profiles collection 257 and is usable to implement a particular set of one or more corrective filters for a particular playback system.
- an element described herein of an apparatus embodiment is an example of a means for carrying out the function performed by the element for the purpose of carrying out the invention.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Stereophonic System (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15178118.4A EP2986034B1 (en) | 2010-05-06 | 2011-04-13 | Audio system equalization for portable media playback devices |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33215910P | 2010-05-06 | 2010-05-06 | |
PCT/US2011/032332 WO2011139502A1 (en) | 2010-05-06 | 2011-04-13 | Audio system equalization for portable media playback devices |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15178118.4A Division EP2986034B1 (en) | 2010-05-06 | 2011-04-13 | Audio system equalization for portable media playback devices |
EP15178118.4A Division-Into EP2986034B1 (en) | 2010-05-06 | 2011-04-13 | Audio system equalization for portable media playback devices |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2567554A1 true EP2567554A1 (en) | 2013-03-13 |
EP2567554B1 EP2567554B1 (en) | 2016-03-23 |
Family
ID=44146859
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15178118.4A Not-in-force EP2986034B1 (en) | 2010-05-06 | 2011-04-13 | Audio system equalization for portable media playback devices |
EP11717394.8A Not-in-force EP2567554B1 (en) | 2010-05-06 | 2011-04-13 | Determination and use of corrective filters for portable media playback devices |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15178118.4A Not-in-force EP2986034B1 (en) | 2010-05-06 | 2011-04-13 | Audio system equalization for portable media playback devices |
Country Status (6)
Country | Link |
---|---|
EP (2) | EP2986034B1 (en) |
JP (3) | JP2013530420A (en) |
CN (1) | CN102893633B (en) |
ES (1) | ES2632576T3 (en) |
HK (1) | HK1221845A1 (en) |
WO (1) | WO2011139502A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3053300A4 (en) * | 2013-09-30 | 2016-11-09 | Sonos Inc | Transitioning a networked playback device between operating modes |
US11005440B2 (en) | 2017-10-04 | 2021-05-11 | Google Llc | Methods and systems for automatically equalizing audio output based on room position |
Families Citing this family (113)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8483853B1 (en) | 2006-09-12 | 2013-07-09 | Sonos, Inc. | Controlling and manipulating groupings in a multi-zone media system |
US8788080B1 (en) | 2006-09-12 | 2014-07-22 | Sonos, Inc. | Multi-channel pairing in a media system |
US9202509B2 (en) | 2006-09-12 | 2015-12-01 | Sonos, Inc. | Controlling and grouping in a multi-zone media system |
US11265652B2 (en) | 2011-01-25 | 2022-03-01 | Sonos, Inc. | Playback device pairing |
US11429343B2 (en) | 2011-01-25 | 2022-08-30 | Sonos, Inc. | Stereo playback configuration and control |
GB201121075D0 (en) * | 2011-12-08 | 2012-01-18 | Sontia Logic Ltd | Correcting non-linear frequency response |
US9998819B2 (en) | 2011-12-16 | 2018-06-12 | Avnera Corporation | Audio layer in keyboard device providing enhanced audio performance |
US9204211B2 (en) * | 2011-12-16 | 2015-12-01 | Avnera Corporation | Pad-type device case providing enhanced audio functionality and output |
US9729960B1 (en) | 2011-12-16 | 2017-08-08 | Avnera Corporation | Audio layer in keyboard device providing enhanced audio performance |
US9661413B2 (en) | 2011-12-16 | 2017-05-23 | Avnera Corporation | Acoustic layer in media device providing enhanced audio performance |
US9084058B2 (en) | 2011-12-29 | 2015-07-14 | Sonos, Inc. | Sound field calibration using listener localization |
US9654821B2 (en) | 2011-12-30 | 2017-05-16 | Sonos, Inc. | Systems and methods for networked music playback |
EP3606093B1 (en) * | 2012-02-24 | 2021-09-08 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Apparatus for providing an audio signal for reproduction by a sound transducer, system, method and computer program |
US9020161B2 (en) | 2012-03-08 | 2015-04-28 | Harman International Industries, Incorporated | System for headphone equalization |
US9674587B2 (en) | 2012-06-26 | 2017-06-06 | Sonos, Inc. | Systems and methods for networked music playback including remote add to queue |
US9690539B2 (en) | 2012-06-28 | 2017-06-27 | Sonos, Inc. | Speaker calibration user interface |
US9219460B2 (en) | 2014-03-17 | 2015-12-22 | Sonos, Inc. | Audio settings based on environment |
US9106192B2 (en) | 2012-06-28 | 2015-08-11 | Sonos, Inc. | System and method for device playback calibration |
US9706323B2 (en) * | 2014-09-09 | 2017-07-11 | Sonos, Inc. | Playback device calibration |
WO2014032709A1 (en) * | 2012-08-29 | 2014-03-06 | Huawei Technologies Co., Ltd. | Audio rendering system |
US9361371B2 (en) | 2013-04-16 | 2016-06-07 | Sonos, Inc. | Playlist update in a media playback system |
US9247363B2 (en) | 2013-04-16 | 2016-01-26 | Sonos, Inc. | Playback queue transfer in a media playback system |
US9501533B2 (en) | 2013-04-16 | 2016-11-22 | Sonos, Inc. | Private queue for a media playback system |
US9684484B2 (en) | 2013-05-29 | 2017-06-20 | Sonos, Inc. | Playback zone silent connect |
US10135413B2 (en) | 2013-07-22 | 2018-11-20 | Harman Becker Automotive Systems Gmbh | Automatic timbre control |
EP3796680A1 (en) | 2013-07-22 | 2021-03-24 | Harman Becker Automotive Systems GmbH | Automatic timbre control |
US9264839B2 (en) | 2014-03-17 | 2016-02-16 | Sonos, Inc. | Playback device configuration based on proximity detection |
US10127006B2 (en) | 2014-09-09 | 2018-11-13 | Sonos, Inc. | Facilitating calibration of an audio playback device |
US9891881B2 (en) | 2014-09-09 | 2018-02-13 | Sonos, Inc. | Audio processing algorithm database |
US9910634B2 (en) | 2014-09-09 | 2018-03-06 | Sonos, Inc. | Microphone calibration |
US9952825B2 (en) | 2014-09-09 | 2018-04-24 | Sonos, Inc. | Audio processing algorithms |
CN111565352B (en) * | 2014-09-09 | 2021-08-06 | 搜诺思公司 | Method performed by computing device, playback device, calibration system and method thereof |
US9916836B2 (en) * | 2015-03-23 | 2018-03-13 | Microsoft Technology Licensing, Llc | Replacing an encoded audio output signal |
WO2016157388A1 (en) * | 2015-03-30 | 2016-10-06 | パイオニア株式会社 | Mobile terminal, server, method for providing sound field data, and program |
WO2016172593A1 (en) | 2015-04-24 | 2016-10-27 | Sonos, Inc. | Playback device calibration user interfaces |
US10664224B2 (en) | 2015-04-24 | 2020-05-26 | Sonos, Inc. | Speaker calibration user interface |
US10248376B2 (en) | 2015-06-11 | 2019-04-02 | Sonos, Inc. | Multiple groupings in a playback system |
US9794719B2 (en) * | 2015-06-15 | 2017-10-17 | Harman International Industries, Inc. | Crowd sourced audio data for venue equalization |
US9538305B2 (en) | 2015-07-28 | 2017-01-03 | Sonos, Inc. | Calibration error conditions |
US9913056B2 (en) * | 2015-08-06 | 2018-03-06 | Dolby Laboratories Licensing Corporation | System and method to enhance speakers connected to devices with microphones |
KR102351368B1 (en) * | 2015-08-12 | 2022-01-14 | 삼성전자주식회사 | Method and apparatus for outputting audio in an electronic device |
JP6437695B2 (en) | 2015-09-17 | 2018-12-12 | ソノズ インコーポレイテッド | How to facilitate calibration of audio playback devices |
US9693165B2 (en) | 2015-09-17 | 2017-06-27 | Sonos, Inc. | Validation of audio calibration using multi-dimensional motion check |
US9743207B1 (en) | 2016-01-18 | 2017-08-22 | Sonos, Inc. | Calibration using multiple recording devices |
US11106423B2 (en) | 2016-01-25 | 2021-08-31 | Sonos, Inc. | Evaluating calibration of a playback device |
US10003899B2 (en) | 2016-01-25 | 2018-06-19 | Sonos, Inc. | Calibration with particular locations |
US10264030B2 (en) | 2016-02-22 | 2019-04-16 | Sonos, Inc. | Networked microphone device control |
US9965247B2 (en) | 2016-02-22 | 2018-05-08 | Sonos, Inc. | Voice controlled media playback system based on user profile |
US10095470B2 (en) | 2016-02-22 | 2018-10-09 | Sonos, Inc. | Audio response playback |
US9811314B2 (en) | 2016-02-22 | 2017-11-07 | Sonos, Inc. | Metadata exchange involving a networked playback system and a networked microphone system |
US9820039B2 (en) | 2016-02-22 | 2017-11-14 | Sonos, Inc. | Default playback devices |
US9947316B2 (en) | 2016-02-22 | 2018-04-17 | Sonos, Inc. | Voice control of a media playback system |
US9991862B2 (en) | 2016-03-31 | 2018-06-05 | Bose Corporation | Audio system equalizing |
US9864574B2 (en) | 2016-04-01 | 2018-01-09 | Sonos, Inc. | Playback device calibration based on representation spectral characteristics |
US9860662B2 (en) | 2016-04-01 | 2018-01-02 | Sonos, Inc. | Updating playback device configuration information based on calibration data |
US9763018B1 (en) | 2016-04-12 | 2017-09-12 | Sonos, Inc. | Calibration of audio playback devices |
US10547947B2 (en) * | 2016-05-18 | 2020-01-28 | Qualcomm Incorporated | Device for generating audio output |
US9978390B2 (en) | 2016-06-09 | 2018-05-22 | Sonos, Inc. | Dynamic player selection for audio signal processing |
CN109716795B (en) * | 2016-07-15 | 2020-12-04 | 搜诺思公司 | Networked microphone device, method thereof and media playback system |
US10134399B2 (en) | 2016-07-15 | 2018-11-20 | Sonos, Inc. | Contextualization of voice inputs |
US9794710B1 (en) | 2016-07-15 | 2017-10-17 | Sonos, Inc. | Spatial audio correction |
US9860670B1 (en) | 2016-07-15 | 2018-01-02 | Sonos, Inc. | Spectral correction using spatial calibration |
US10372406B2 (en) | 2016-07-22 | 2019-08-06 | Sonos, Inc. | Calibration interface |
US10115400B2 (en) | 2016-08-05 | 2018-10-30 | Sonos, Inc. | Multiple voice services |
US10459684B2 (en) | 2016-08-05 | 2019-10-29 | Sonos, Inc. | Calibration of a playback device based on an estimated frequency response |
US9693164B1 (en) * | 2016-08-05 | 2017-06-27 | Sonos, Inc. | Determining direction of networked microphone device relative to audio playback device |
US9942678B1 (en) | 2016-09-27 | 2018-04-10 | Sonos, Inc. | Audio playback settings for voice interaction |
US10712997B2 (en) | 2016-10-17 | 2020-07-14 | Sonos, Inc. | Room association based on name |
US10181323B2 (en) | 2016-10-19 | 2019-01-15 | Sonos, Inc. | Arbitration-based voice recognition |
US10475449B2 (en) | 2017-08-07 | 2019-11-12 | Sonos, Inc. | Wake-word detection suppression |
US10048930B1 (en) | 2017-09-08 | 2018-08-14 | Sonos, Inc. | Dynamic computation of system response volume |
US10446165B2 (en) | 2017-09-27 | 2019-10-15 | Sonos, Inc. | Robust short-time fourier transform acoustic echo cancellation during audio playback |
US10482868B2 (en) | 2017-09-28 | 2019-11-19 | Sonos, Inc. | Multi-channel acoustic echo cancellation |
US10621981B2 (en) | 2017-09-28 | 2020-04-14 | Sonos, Inc. | Tone interference cancellation |
US10466962B2 (en) | 2017-09-29 | 2019-11-05 | Sonos, Inc. | Media playback system with voice assistance |
WO2019152722A1 (en) | 2018-01-31 | 2019-08-08 | Sonos, Inc. | Device designation of playback and network microphone device arrangements |
US11175880B2 (en) | 2018-05-10 | 2021-11-16 | Sonos, Inc. | Systems and methods for voice-assisted media content selection |
US10959029B2 (en) | 2018-05-25 | 2021-03-23 | Sonos, Inc. | Determining and adapting to changes in microphone performance of playback devices |
US10805723B2 (en) | 2018-06-06 | 2020-10-13 | Dolby Laboratories Licensing Corporation | Automatic characterization of perceived transducer distortion |
US10681460B2 (en) | 2018-06-28 | 2020-06-09 | Sonos, Inc. | Systems and methods for associating playback devices with voice assistant services |
US11076035B2 (en) | 2018-08-28 | 2021-07-27 | Sonos, Inc. | Do not disturb feature for audio notifications |
US10461710B1 (en) | 2018-08-28 | 2019-10-29 | Sonos, Inc. | Media playback system with maximum volume setting |
US10299061B1 (en) | 2018-08-28 | 2019-05-21 | Sonos, Inc. | Playback device calibration |
US11206484B2 (en) | 2018-08-28 | 2021-12-21 | Sonos, Inc. | Passive speaker authentication |
US10587430B1 (en) | 2018-09-14 | 2020-03-10 | Sonos, Inc. | Networked devices, systems, and methods for associating playback devices based on sound codes |
US11024331B2 (en) | 2018-09-21 | 2021-06-01 | Sonos, Inc. | Voice detection optimization using sound metadata |
US10811015B2 (en) | 2018-09-25 | 2020-10-20 | Sonos, Inc. | Voice detection optimization based on selected voice assistant service |
US11100923B2 (en) | 2018-09-28 | 2021-08-24 | Sonos, Inc. | Systems and methods for selective wake word detection using neural network models |
US11899519B2 (en) | 2018-10-23 | 2024-02-13 | Sonos, Inc. | Multiple stage network microphone device with reduced power consumption and processing load |
EP3654249A1 (en) | 2018-11-15 | 2020-05-20 | Snips | Dilated convolutions and gating for efficient keyword spotting |
US11183183B2 (en) | 2018-12-07 | 2021-11-23 | Sonos, Inc. | Systems and methods of operating media playback systems having multiple voice assistant services |
US11132989B2 (en) | 2018-12-13 | 2021-09-28 | Sonos, Inc. | Networked microphone devices, systems, and methods of localized arbitration |
US10602268B1 (en) | 2018-12-20 | 2020-03-24 | Sonos, Inc. | Optimization of network microphone devices using noise classification |
US10932079B2 (en) * | 2019-02-04 | 2021-02-23 | Harman International Industries, Incorporated | Acoustical listening area mapping and frequency correction |
US10867604B2 (en) | 2019-02-08 | 2020-12-15 | Sonos, Inc. | Devices, systems, and methods for distributed voice processing |
US11315556B2 (en) | 2019-02-08 | 2022-04-26 | Sonos, Inc. | Devices, systems, and methods for distributed voice processing by transmitting sound data associated with a wake word to an appropriate device for identification |
US11120794B2 (en) | 2019-05-03 | 2021-09-14 | Sonos, Inc. | Voice assistant persistence across multiple network microphone devices |
US10586540B1 (en) | 2019-06-12 | 2020-03-10 | Sonos, Inc. | Network microphone device with command keyword conditioning |
US11200894B2 (en) | 2019-06-12 | 2021-12-14 | Sonos, Inc. | Network microphone device with command keyword eventing |
US11361756B2 (en) | 2019-06-12 | 2022-06-14 | Sonos, Inc. | Conditional wake word eventing based on environment |
US10871943B1 (en) | 2019-07-31 | 2020-12-22 | Sonos, Inc. | Noise classification for event detection |
US11138975B2 (en) | 2019-07-31 | 2021-10-05 | Sonos, Inc. | Locally distributed keyword detection |
US11138969B2 (en) | 2019-07-31 | 2021-10-05 | Sonos, Inc. | Locally distributed keyword detection |
US10734965B1 (en) | 2019-08-12 | 2020-08-04 | Sonos, Inc. | Audio calibration of a portable playback device |
US11189286B2 (en) | 2019-10-22 | 2021-11-30 | Sonos, Inc. | VAS toggle based on device orientation |
US11200900B2 (en) | 2019-12-20 | 2021-12-14 | Sonos, Inc. | Offline voice control |
US11562740B2 (en) | 2020-01-07 | 2023-01-24 | Sonos, Inc. | Voice verification for media playback |
US11308958B2 (en) | 2020-02-07 | 2022-04-19 | Sonos, Inc. | Localized wakeword verification |
US11308962B2 (en) | 2020-05-20 | 2022-04-19 | Sonos, Inc. | Input detection windowing |
US11482224B2 (en) | 2020-05-20 | 2022-10-25 | Sonos, Inc. | Command keywords with input detection windowing |
US11727919B2 (en) | 2020-05-20 | 2023-08-15 | Sonos, Inc. | Memory allocation for keyword spotting engines |
US11698771B2 (en) | 2020-08-25 | 2023-07-11 | Sonos, Inc. | Vocal guidance engines for playback devices |
US11984123B2 (en) | 2020-11-12 | 2024-05-14 | Sonos, Inc. | Network device interaction by range |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001005464A (en) * | 1999-06-21 | 2001-01-12 | Matsushita Electric Ind Co Ltd | Method of controlling sound field |
EP1516514A1 (en) * | 2002-06-12 | 2005-03-23 | Equtech APS | Method of digital equalisation of a sound from loudspeakers in rooms and use of the method |
JP2005070171A (en) * | 2003-08-20 | 2005-03-17 | Fujitsu Ten Ltd | Characteristic arithmetic facility |
JP2007509558A (en) * | 2003-10-24 | 2007-04-12 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Adaptive audio playback |
KR100678929B1 (en) * | 2003-11-24 | 2007-02-07 | 삼성전자주식회사 | Method For Playing Multi-Channel Digital Sound, And Apparatus For The Same |
JP4281601B2 (en) * | 2004-03-30 | 2009-06-17 | ブラザー工業株式会社 | Information communication system, communication karaoke terminal, distribution host device and program |
US7630501B2 (en) * | 2004-05-14 | 2009-12-08 | Microsoft Corporation | System and method for calibration of an acoustic system |
JP2006005902A (en) * | 2004-05-20 | 2006-01-05 | Denon Ltd | Amplifier and amplitude frequency characteristics adjusting method |
US9008331B2 (en) * | 2004-12-30 | 2015-04-14 | Harman International Industries, Incorporated | Equalization system to improve the quality of bass sounds within a listening area |
JP2006279863A (en) * | 2005-03-30 | 2006-10-12 | Clarion Co Ltd | Correction method of head-related transfer function |
JP4407571B2 (en) * | 2005-06-06 | 2010-02-03 | 株式会社デンソー | In-vehicle system, vehicle interior sound field adjustment system, and portable terminal |
JP4232775B2 (en) * | 2005-11-11 | 2009-03-04 | ソニー株式会社 | Sound field correction device |
US20070142942A1 (en) * | 2005-12-16 | 2007-06-21 | Sony Ericsson Mobile Communications Ab | Audio profiles for portable music playback device |
US20070155332A1 (en) * | 2005-12-30 | 2007-07-05 | Burgan John M | Method and mobile communication device for characterizing an audio accessory for use with the mobile communication device |
JP4862448B2 (en) * | 2006-03-27 | 2012-01-25 | 株式会社Jvcケンウッド | Audio system, portable information processing apparatus, audio apparatus, and sound field correction method |
WO2007148321A2 (en) | 2006-06-19 | 2007-12-27 | Timestrip Uk Limited | Irreversible coolness indicator |
JP4466658B2 (en) * | 2007-02-05 | 2010-05-26 | ソニー株式会社 | Signal processing apparatus, signal processing method, and program |
JP2008227681A (en) * | 2007-03-09 | 2008-09-25 | Yamaha Corp | Acoustic characteristic correction system |
JP5338038B2 (en) * | 2007-05-23 | 2013-11-13 | ヤマハ株式会社 | Sound field correction apparatus and karaoke apparatus |
JP4955460B2 (en) * | 2007-05-30 | 2012-06-20 | 京セラ株式会社 | Electronics |
JP2009060209A (en) * | 2007-08-30 | 2009-03-19 | Kenwood Corp | Playback apparatus, program, and frequency characteristics adjustment method in the playback apparatus |
JP2009164943A (en) * | 2008-01-08 | 2009-07-23 | Pioneer Electronic Corp | Acoustic device, sound field correcting method, sound field correcting program and its record medium |
DE102008039330A1 (en) * | 2008-01-31 | 2009-08-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for calculating filter coefficients for echo cancellation |
US8325931B2 (en) * | 2008-05-02 | 2012-12-04 | Bose Corporation | Detecting a loudspeaker configuration |
-
2011
- 2011-04-13 EP EP15178118.4A patent/EP2986034B1/en not_active Not-in-force
- 2011-04-13 ES ES15178118.4T patent/ES2632576T3/en active Active
- 2011-04-13 WO PCT/US2011/032332 patent/WO2011139502A1/en active Application Filing
- 2011-04-13 CN CN201180022627.1A patent/CN102893633B/en not_active Expired - Fee Related
- 2011-04-13 EP EP11717394.8A patent/EP2567554B1/en not_active Not-in-force
- 2011-04-13 JP JP2013509080A patent/JP2013530420A/en active Pending
-
2015
- 2015-05-26 JP JP2015106041A patent/JP6377018B2/en not_active Expired - Fee Related
-
2016
- 2016-08-17 HK HK16109868.2A patent/HK1221845A1/en not_active IP Right Cessation
-
2017
- 2017-06-23 JP JP2017122910A patent/JP2017194703A/en not_active Ceased
Non-Patent Citations (1)
Title |
---|
See references of WO2011139502A1 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3053300A4 (en) * | 2013-09-30 | 2016-11-09 | Sonos Inc | Transitioning a networked playback device between operating modes |
US10055003B2 (en) | 2013-09-30 | 2018-08-21 | Sonos, Inc. | Playback device operations based on battery level |
US10871817B2 (en) | 2013-09-30 | 2020-12-22 | Sonos, Inc. | Synchronous playback with battery-powered playback device |
US11543876B2 (en) | 2013-09-30 | 2023-01-03 | Sonos, Inc. | Synchronous playback with battery-powered playback device |
US11005440B2 (en) | 2017-10-04 | 2021-05-11 | Google Llc | Methods and systems for automatically equalizing audio output based on room position |
US11888456B2 (en) | 2017-10-04 | 2024-01-30 | Google Llc | Methods and systems for automatically equalizing audio output based on room position |
Also Published As
Publication number | Publication date |
---|---|
EP2986034A1 (en) | 2016-02-17 |
CN102893633B (en) | 2015-04-15 |
HK1221845A1 (en) | 2017-06-09 |
JP6377018B2 (en) | 2018-08-22 |
EP2567554B1 (en) | 2016-03-23 |
JP2013530420A (en) | 2013-07-25 |
JP2017194703A (en) | 2017-10-26 |
JP2015180954A (en) | 2015-10-15 |
ES2632576T3 (en) | 2017-09-14 |
CN102893633A (en) | 2013-01-23 |
WO2011139502A1 (en) | 2011-11-10 |
EP2986034B1 (en) | 2017-05-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9307340B2 (en) | Audio system equalization for portable media playback devices | |
EP2986034B1 (en) | Audio system equalization for portable media playback devices | |
CN109274909B (en) | Television sound adjusting method, television and storage medium | |
US20120230501A1 (en) | auditory test and compensation method | |
US10021484B2 (en) | Method of and apparatus for determining an equalization filter | |
TW201142831A (en) | Adaptive environmental noise compensation for audio playback | |
US20110002471A1 (en) | Systems and methods for transducer calibration and tuning | |
US20170366152A1 (en) | Facilitation of headphone audio enhancement | |
US10368154B2 (en) | Systems, devices and methods for executing a digital audiogram | |
CN112954115B (en) | Volume adjusting method and device, electronic equipment and storage medium | |
KR102302683B1 (en) | Sound output apparatus and signal processing method thereof | |
US20180098720A1 (en) | A Method and Device for Conducting a Self-Administered Hearing Test | |
US11558697B2 (en) | Method to acquire preferred dynamic range function for speech enhancement | |
JP2020109968A (en) | Customized audio processing based on user-specific audio information and hardware-specific audio information | |
CN108781336A (en) | Hearing devices are voluntarily equipped with | |
US20130044888A1 (en) | Audio device and audio producing method | |
CN110248268A (en) | A kind of wireless headset noise-reduction method, system and wireless headset and storage medium | |
KR101853568B1 (en) | Smart device, and method for optimizing sound using the smart device | |
US11082795B2 (en) | Electronic apparatus and control method thereof | |
CN116348030A (en) | Electronic device and control method thereof | |
WO2020047324A1 (en) | Sound quality enhancement and personalization | |
US20130083932A1 (en) | Methods and systems for measuring and reporting an energy level of a sound component within a sound mix |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20121206 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
17Q | First examination report despatched |
Effective date: 20130917 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAJ | Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted |
Free format text: ORIGINAL CODE: EPIDOSDIGR1 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
INTG | Intention to grant announced |
Effective date: 20150304 |
|
INTG | Intention to grant announced |
Effective date: 20150323 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
INTG | Intention to grant announced |
Effective date: 20151014 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: REF Ref document number: 784190 Country of ref document: AT Kind code of ref document: T Effective date: 20160415 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 6 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 602011024291 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20160323 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 Ref country code: NO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160623 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160624 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: MK05 Ref document number: 784190 Country of ref document: AT Kind code of ref document: T Effective date: 20160323 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 Ref country code: LV Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 Ref country code: RS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 Ref country code: LT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160430 Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160723 Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 Ref country code: SM Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 Ref country code: AT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160725 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 602011024291 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160430 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160430 Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160623 |
|
26N | No opposition filed |
Effective date: 20170102 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 7 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160413 Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 8 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO Effective date: 20110413 Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 Ref country code: MK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160413 Ref country code: MT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160430 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20180427 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20180425 Year of fee payment: 8 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160323 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20180427 Year of fee payment: 8 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 602011024291 Country of ref document: DE |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20190413 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20191101 Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20190413 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20190430 |