WO2015030642A1 - Réduction de volume pour un dispositif électronique - Google Patents

Réduction de volume pour un dispositif électronique Download PDF

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Publication number
WO2015030642A1
WO2015030642A1 PCT/SE2013/051015 SE2013051015W WO2015030642A1 WO 2015030642 A1 WO2015030642 A1 WO 2015030642A1 SE 2013051015 W SE2013051015 W SE 2013051015W WO 2015030642 A1 WO2015030642 A1 WO 2015030642A1
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WO
WIPO (PCT)
Prior art keywords
sound pattern
unit
electronic device
predefined
recorded
Prior art date
Application number
PCT/SE2013/051015
Other languages
English (en)
Inventor
Hongxin LIANG
Jörg NIEMÖLLER
Leonid Mokrushin
Original Assignee
Telefonaktiebolaget L M Ericsson (Publ)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget L M Ericsson (Publ) filed Critical Telefonaktiebolaget L M Ericsson (Publ)
Priority to PCT/SE2013/051015 priority Critical patent/WO2015030642A1/fr
Publication of WO2015030642A1 publication Critical patent/WO2015030642A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • G06F3/165—Management of the audio stream, e.g. setting of volume, audio stream path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit
    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
    • H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/01—Aspects of volume control, not necessarily automatic, in sound systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Definitions

  • the invention relates, generally, to an electronic device comprising a speaker unit and a method for the electronic device, and, more particularly, to reducing the volume of the speaker unit.
  • the invention also relates to a computer program product and a computer readable medium.
  • Digital media content is nowadays readily available at any location at any time.
  • Portable consumer electronic device such as MP3 players, tablet PCs, and smart phones allow people to consume media content while walking, exercising or on the commute to work.
  • Media content such as music, videos, TV show or movies can be downloaded from the internet or streamed directly to electronic devices.
  • a method for an electronic device for playing media content includes a microphone unit, a speaker unit, a processor unit, which includes a sound pattern comparison unit, and a memory unit.
  • the method includes the electronic device playing out media content using the speaker unit.
  • the method further includes recording a sound pattern using the microphone unit.
  • the recorded sound pattern is then compared with a predefined sound pattern, using the sound comparison unit. If the recoded sound pattern corresponds to the predefined sound pattern the volume of the media content, played-out using the speaker unit, is reduced below a threshold level.
  • an electronic device for playing media content includes a microphone unit, a speaker unit, a processor unit comprising a sound pattern comparison unit, and a memory unit, where the microphone unit is configured to record a sound pattern and the sound pattern comparison unit is configured to compare the recorded sound pattern with a predefined sound pattern.
  • the processing unit is configured to reduce the volume, of the speaker unit, for played media content below a threshold level.
  • a computer program product for operating an electronic device for playing media content
  • the electronic device includes a microphone unit, a speaker unit, a processor unit comprising a sound pattern comparison unit, and a memory unit.
  • the computer program product includes instructions to record a sound pattern using the microphone unit.
  • the computer program product further includes instructions to comparing, using the sound pattern comparison unit, the recorded sound pattern with a predefined sound pattern.
  • the computer program product includes instructions to, if the recoded sound pattern corresponds to the predefined sound pattern, reduce the volume, of the speaker unit, for played media content below a threshold level.
  • a computer readable medium including program code is provided.
  • the program code When the program code is executed by a processing unit included in an electronic device for playing media content and having a microphone unit, a speaker unit, a processor unit comprising a sound pattern comparison unit, and a memory unit it causes, firstly, the microphone unit to record a sound pattern, and secondly the sound pattern comparison unit to compare the recorded sound pattern with a predefined sound pattern and thirdly, in response to the sound pattern comparison unit corresponding the recorded sound pattern to the predefined sound pattern, the processing unit is to reduce (204) the volume, of the speaker unit, for played media content below a threshold level.
  • An advantage that may be achieved when using above solution is that users of electronic device more easily becomes aware of notifications aimed at alerting them, even when consuming media content on the electronic device. For example if the user is a pedestrian and he is listen to music using the headset device he may not hear that he is being called upon. It is difficult for him to hear that he is being called upon because the music shields him form the surrounding sounds. This becomes even more relevant if for example there is an alarm signal sounding that the user does not hear because he is distracted by the music. The lowering of the volume or mute of the played media content facilities the user hearing the notifications aimed at alerting him because volume of the media content is reduced or muted.
  • Figures la and lb illustratively show an exemplary electronic device
  • Figure lc illustratively shows a headset device
  • Figure 2 is a flow diagram of an exemplary embodiment
  • Figure 3 illustratively shows volume reduction of played media content
  • Figure 4 schematically illustrates a block diagram of an exemplary electronic device.
  • the embodiments below can be used for an electronic device including a speaker unit, where the speaker unit is used to play-out media conent.
  • the solution will be described in more detail with reference to certain example embodiments and to the accompanying drawings. For purpose of explanation and not limitation, specific details are set forth, such as particular scenarios, techniques, etc., in order to provide a thorough understanding of the embodiments. However, it is apparent to one skilled in the art that the invention is not limited to these examples but may be practiced in other embodiments as compared to the details outlined below.
  • Figures la and lb illustratively show an example of an electronic device 100, e.g. a cellular phone or a tablet PC, used in the exemplary embodiments.
  • Figure la shows the front side of an electronic device including a display area 101.
  • the display area is included in a touch-sensitive display 104.
  • the touch-sensitive display may include a LCD, OLED, PolyLED, LED, plasma display or other convention display.
  • the display area may also include a status indication area 102 and one or more soft key bars 103.
  • the status indication area for example includes symbols indicating battery status, signal strength, speaker on/off, time and date etc.
  • Electronic devices typically include one or more user input units, which are arranged to detect user commands and user inputs.
  • the user normally controls the electronic device using the user input units e.g. the user can increase/decrease speaker volume or turn the electronic device on and off.
  • User input units in the form of keypads are used for typing text messages or dialing telephone numbers.
  • a user input unit may include soft keys 103, hard keys 106, buttons, joysticks, multidirectional buttons, touch-pads and/or touch-sensitive displays.
  • a touch- sensitive display is a display comprising means to register user commands, user inputs or user gestures.
  • the touch- sensitive display may include a touch-screen overlying the display area.
  • User commands or user inputs can also be detected using voice activation, where the user of the electronic device makes a selection or controls the electronic device using voice control.
  • the user's voice commands are detected using a microphone 105 included in the electronic device.
  • electronic devices may include an accelerometer or a gyroscope that is sensitive to rotational and directional movement of the electronic device. Consequently the accelerometer or gyroscope can be used to detect user commands
  • An exemplary electronic device may also include other elements normally present in such devices, such as a keypad 106, a speaker 107, a microphone 105, a front camera unit 108, a processor, a memory or storage unit, an AM/FM radio transmitter and receiver.
  • the electronic device may also include a headset device (headsets, earphones or ear-buds) 120.
  • the headset device is connected to rest of the electronic device using a connector 112 or using a wireless connection.
  • the headset device also includes speaker 107 and may include a microphone 105, as shown in Fig. lc.
  • Figure lb shows the back side of an exemplary electronic device including a backside of the casing, a digital camera unit with a lens 109, a light source 110 serving to provide additional light when capturing images, a battery hatch 111 concealing and protecting a battery and a SIM-card (Subscriber Identity Module).
  • the electronic device further includes a communication unit adapted, e.g., for short-range wireless communication (Bluetooth, Near Field Communication (NFC), Infrared, and Wireless LAN (W-LAN:
  • long-range wireless communication e.g.
  • the electronic device includes a processing unit.
  • Other examples of electronic devices that can be used in the exemplary embodiments are, but not limited to, MP3 players, Personal computers, Laptop PCs, and portable game consoles.
  • Electronic devices often include media players that have the capability to play media content.
  • the term "media player” refers to computing devices that are dedicated to processing media such as audio, video or other images,for example, music players, game players, video players, video recorders, cameras, and the like.
  • the media players contain single functionality (e.g., a media player dedicated to playing music) and in other cases the media players contain multiple functionality (e.g., a media player that plays music, displays video, stores pictures and the like). Since an electronic device generally is portable thus allowing a user to listen to music, play games or video, record video or take pictures at any location.
  • Electronic devices equipped with microphones 105 have the capability to record sounds. Sound recording can be done by analog sound recording or digital sound recording.
  • the microphone includes a microphone diaphragm that detects sound waves, which are stored analog or digitally. The stored sound waves are then played out using the speaker. Sound waves are characterized by a specific pattern, which may be characterized by its frequency spectrum, amplitude, and/or distribution in time. This specific pattern will be referred to through-out this description as a 'sound pattern'. Thus, a sound can be identified by its specific sound pattern and every sound pattern represents a sounds.
  • the electronic device records a sound pattern using a microphone.
  • the microphone may be included in the electronic device or, in particular, it may be included in the headset device.
  • the recorded sound pattern is a name of the user of the electronic device.
  • the sound pattern recorded is in another embodiment an alarm signal or a sound whose purpose is to alert the user.
  • the recorded sound pattern is stored in a sound pattern storage unit, step 202.
  • the sound pattern storage unit may be included in the memory unit of the electronic device. Alternatively, the sound pattern storage may also be included in a separate storage, external to the electronic device.
  • step 203 the recorded sound pattern is compared with a predefined sound pattern using the sound pattern comparison unit.
  • the sound pattern comparison unit is included in the processing unit of the electronic.
  • the sound pattern comparison unit is included in an external device.
  • the sound pattern is recorded using the microphone unit and then it is uploaded using the communication unit to the external device, where it is compared with the predefined sound pattern.
  • the recorded sound pattern may also be compared with one or several predefined sound patterns stored.
  • the comparison between the recorded sound pattern and the predefined sound pattern may include direct comparison of the sound waves, mathematical analysis of the sound waves such as comparing the frequency components of the sound waves, and/or speech recognition (SR).
  • Direct comparison of the sound waves of the recorded sound pattern and predefined sound pattern includes comparing the sound waves, essentially overlaying the two sound waves in the time domain and determine whether there is a match.
  • To facilitate comparison between the sound waves it is also possible to compare the frequency spectrum of the sound waves. If the sound pattern represents a word, for example the name of the user of the electronic device then speech recognition can be used for the comparison.
  • speech recognition can be used for the comparison.
  • Both acoustic modeling and language modeling are important parts of modern statistically-based speech recognition algorithms. These are however only exemplary embodiments for sound pattern comparison using the sound pattern comparison unit and the invention is not limited thereto.
  • the volume of the media content played-out using the speaker unit is reduced, step 204.
  • the sound pattern comparison unit corresponding the recorded sound pattern to a predefined sound pattern means that is matches, resembles, or confirms that the sound patterns are equivalents or related.
  • the reduction of the volume is such that the volume is reduced below a threshold level.
  • the threshold level can be set by user using the user input unit to input the threshold settings. Alternatively, the threshold may be set by the manufacturer of the electronic device. The threshold level may also be adapted to the volume of the recorded sound pattern.
  • the threshold level can be set relatively high because the user will still hear the loud alarm signal even if the volume of media content is lowered below a relatively high threshold volume. If the recorded sound pattern is the name of the user whispered, for example in a library, then the threshold level needs to be set at a very low level, otherwise the user will not hear the recorded sound pattern being played out. Thus, the threshold level is determined such that the volume, of the speaker unit, for played media content is lower than the volume of the recorded sound pattern. [0024] In step 205, the recorded sound pattern is played out using the speaker unit.
  • the predefined sound pattern represents the name of the user of the electronic device and when the microphone has recorded the sound pattern and the sound pattern comparison unit has matched the recorded sound pattern with the predefined sound pattern, the volume of the played-out media content is lowered and the recorded sound pattern is then played-out using the speaker unit.
  • the user may not have clearly heard that someone was calling his name, or may be uncertain that it was really his named that was being called and therefore the recorded sound pattern, the user's name, is played-out through the speaker unit.
  • the recorded sound pattern can repeatedly be played-out.
  • the user may select to discard the volume reduction in response to the sound pattern comparison unit corresponding the recorded sound pattern to the predefined sound pattern, wherein the volume, of the speaker unit, for the played media content is increased to original volume level.
  • the user input unit registers the user selection to discard the reduction of the volume of the played media content, step 206.
  • the registered discards are counted.
  • the number of registered discards may be stored in the memory unit of the electronic device. Each time that a user selection to discard the volume reduction is registered the number of stored discards is increased accordingly.
  • the predefined sound pattern may be stored in the sound pattern storage unit included in the memory unit of the electronic device.
  • the predefined sound pattern may be recorded using the microphone unit and stored in the sound pattern storage unit.
  • a predefined sound pattern is received by the electronic device, using the communication unit, from an external source such as the internet, a database for predefined sound patterns, or from another electronic device.
  • the predefined sound pattern may also be stored in a separate storage, external to the electronic device.
  • the user may access an internet site with a selection of predefined sounds patterns, which may represent for example an alarm, a door-bell, a ringtone, and/or other sounds that aims at alerting the user.
  • the user has the option to select between various sound patterns to select one or more predefined sound pattern to use for comparison with the recorded sound pattern.
  • Figure 3a illustrates a person 303 shouting the name 'Peter'.
  • the person shouting the name 'Peter' may be a friend or acquaintance of the user of the electronic device, whose name is 'Peter'.
  • the electronic device records the shouting using the microphone unit.
  • the recorded sound pattern representing the shouting of the name 'Peter' is compared, using the sound pattern comparison unit, to a predefined sound pattern to determine whether the recorded sound pattern corresponds to the predefined sound pattern.
  • the recording of the shouting 'Peter' may be stored in the sound pattern storage unit included in the electronic device or it may be transmitting to an external device, using the
  • the predefined sound pattern may be stored on the sound pattern storage unit or may be stored on an external device.
  • the user of the electronic device may record himself saying or shouting the name 'Peter', he may also ask an acquaintance to say or shout the name 'Peter' while recording and then define the recorded sound pattern 'Peter' as predefined sound patterns.
  • the electronic device may also have a predefined sound pattern which is an alarm signal 304, such as a fire alarm.
  • the predefined sound pattern representing an alarm signal may be downloaded from an internet site including several downloadable predefined sound patterns.
  • the comparison between the recorded sound pattern and the predefined sound pattern is preferably done in the sound pattern comparison unit included in the electronic device but can also be done in an external sound patter comparison unit located in an external device, whereby the results of correspondence between the recorded sound pattern and the predefined sound is received by the electronic device from the external sound pattern comparison unit, via the communication unit. If the predefined sound pattern represent the name 'Peter' and the name 'Peter' is shouted while the user of the electronic device is listening to the song 'Song in the play list 302 using the speaker units in his earphones, then the electronic device will reduce to the volume of ' Song 1 ' below a threshold volume or to mute it.
  • the threshold level may be determined such that the volume of the speaker unit for played media content is lower than the volume of the recorded sound pattern. For example when a sound pattern is recorded the volume is determined using the microphone unit and the volume of the played-out media content is then reduced below the volume of the recorded sound pattern.
  • the threshold level may also be selected by the user of the electronic device or it may be a fixed setting. If the volume of 'Song is already at a level below the threshold level then the volume is left unchanged, or if name 'Alan' is being shouted and the predefined sound pattern is 'Peter' then the volume will also be left unchanged.
  • the recorded sound pattern representing shouting the name 'Peter' is played-out through the speaker unit.
  • the play-out of the recorded sounded pattern may be played out repeated times.
  • the play-out volume of the recorded sound pattern may also be adapted to the ambient sound level. If the ambient sound from the surrounding is at a high level then the play-out volume is increased, if however, the ambient sound level is at a lower level then the play-out volume is decreased.
  • the predefined sound patterns are the name 'Peter' and alarm signal 'signal .
  • the sound pattern comparison unit corresponds the recorded sound pattern 'Pete' to the predefined sound pattern because of the matching between 'Pete' and 'Peter' is within the error margin of the sound pattern comparison.
  • the volume of the play-out media content is lowered and the recorded sound pattern 'Pete' is played-out using the speaker unit.
  • the user of the electronic does not want to answer to 'Pete' and therefore discard the reduction of the volume of the played-out of the media content and the volume is increased to the level it was at before the reduction.
  • the discard may for example be implemented by a pop-up menu in which the user can select to discard the reduction of the volume.
  • An alternative way for the user to discard the volume reduction is simply to manually increase the volume to its original level.
  • the user selection to discard a volume reduction is registered using the user input unit included in the electronic device.
  • a volume reduction in response to the sound pattern comparison unit matching a recorded sound pattern to a predefined sound pattern, is discarded by the user this discard is counted.
  • the total number discards for a specific sound pattern is stored in the memory unit. If the number of discards for the specific sound pattern exceeds a certain threshold number then the volume level of the played-out media is not reduced in response to recording and comparing the sound pattern to the predefined sound pattern.
  • the user may discard the reduction of the volume of played media content in response to the sound pattern comparison unit corresponding the recording alarm signal 'signal to the predefined sound pattern.
  • the user of the electronic device may discard the volume reduction because he may be uninterested in being alerted by alarm signal 'signal .
  • the predefined sound pattern may also be adapted depending on the context.
  • the predefined sound pattern may vary depending on the time of the day, and/or depending on the location.
  • the name 'Peter' and alarm signal ' signal are the predefined sound patterns but when he is at home at night-time the predefined sound pattern is the alarm signal 'signal 2' .
  • Figure 6 schematically illustrates a block diagram of an exemplary electronic device 100.
  • the electronic device includes a media player such that media content for example music, radio programs, movies, videos and games can be played on the electronic device.
  • the electronic device may further include a graphical user interface environment, for operating the electronic device.
  • the graphical user interface may include widgets, menus and folder structure and may further comprise keys for user input.
  • the electronic device includes a microphone unit 401 and a speaker unit 402.
  • the microphone unit is configured to record sound patterns.
  • a microphone is normally an acoustic-to-electric transducer or sensor that converts sound patterns into electrical signals.
  • the microphone records all sound patterns from the ambient surroundings such as voices, ambient sounds and noise.
  • the microphone unit is configured to record the predefined sound pattern. The user may for example record his own name by saying his name while recording using the microphone unit.
  • a microphone unit can also selectively record sound pattern such as only recording sound patterns coming from certain directions or only recording sound pattern of a specific frequency or amplitudes.
  • microphone units are included in the electronic device itself as shown in Fig la or may be included in the headset device (earphones, earplug, ear buds), as shown in Fig. lc.
  • the speaker unit is configured to play-out sound patterns, for example recorded and predefined sounds pattern, and also to play the media content.
  • the volume of the speaker unit can be adjusted using the volume settings 301, if for example the user wishes to listen to loud music then he adjust the volume settings to high volume and he if desires to soften the music then he may mute or reduce the volume.
  • the speaker unit, or loud speaker unit is normally an electroacoustic transducer that produces sound in response to an electrical audio signal input.
  • the speaker unit may be included in the electronic device itself, as shown in Fig la, or may be included in the headset device, as shown in Fig lc.
  • the electronic device further includes a processing unit 403, which includes the sound pattern comparison unit 404.
  • the sound pattern comparison unit is configured to compare a recorded sound pattern with a predefined sound pattern.
  • the recorded sound pattern is recorded using the microphone unit and may be stored in sound pattern storage unit.
  • the predefined sound pattern is also stored in the sound pattern storage unit and may be received from an external device using the communication unit.
  • the predefined sound pattern may however also be recorded using the microphone unit.
  • the sound pattern comparison unit compares the recorded sound pattern with the predefined sound pattern to determine whether there is a correspondence between them. If the sound patterns are represented by the respective sound wave's amplitude as function of time the comparison may include direct comparison of the recorded sound pattern with the predefined sound pattern.
  • the sound pattern comparison unit may also be configured to compare the frequency spectrum, or selected frequency components, of the sound patterns.
  • the sound pattern comparison unit may further be configured to use speech recognition (SR) techniques to compare the recorded sound pattern with the predefined sound pattern.
  • SR speech recognition
  • the sound pattern comparison unit corresponds the recorded sound pattern to the predefined sound pattern, i.e. it determines that the patterns are similar, then in response to the matching the processing unit is configured to reduce the volume of media content played on the speaker unit.
  • the processing unit may also be configured to mute the speaker unit or stop playing the media content on speaker unit.
  • the level of correspondence between the recorded sound pattern and the predefined sound pattern that is required for the processing unit to reduce the volume may vary, in some contexts the correspondence needs to be an exact matching in other contexts a larger difference between compared sound patterns can still trigger to processing unit to reduce the volume of the media content played using the speaker unit.
  • the processing unit is configured to reduce the volume below a threshold level.
  • the processing unit may further be configured to determine the threshold level such that the volume of the media content played using the speaker unit is lower than the volume of the recorded sound pattern.
  • the volume of the played media content is not completely silenced and may still be heard but it is still lower than the volume of the recorded sound pattern. If a friend of the user of the electronic device repeatedly shouts the name 'Peter' or the alarm signal keeps sounding in the example in Fig. 3, then the volume of the played media content will be lower than the shouting or lower than the alarm signal, respectively.
  • the speaker unit is configured to played out the recorded sound pattern and may be further configured to repeatedly play-out the recorded sound pattern. If the user of the electronic device did not hear his name being shouted or the alarm signal then the processing unit reduces the volume of the played media content, in response to the sound pattern comparison unit corresponding recorded sound pattern to a predefined pattern, and after the volume reduction of the played media content the speaker unit is configured to play-out the recorded sound pattern.
  • the processing unit is configured to adapt the predefined sound pattern depending on the context.
  • the context may include location, time, the user of the electronic device, and when the context changes the processing unit changes the predefined sound pattern.
  • Peter uses the electronic device and logs in using his log-in credentials and the processing unit sets the predefined sound pattern to be the sound pattern representing the name 'Peter' . If however Alan starts using the electronic device the processing unit adapts the predefined sound pattern to a sound pattern representing the name 'Alan'. At night time the processing unit sets the predefined sound pattern to be alarm signal 'signal .
  • the electronic device further comprises a user input unit 405, where the user input unit is configured to register a user selection to discard the volume reduction of media content played-out on a speaker unit, in response to the sound pattern comparison unit corresponding the recorded sound pattern to a predefined sound pattern.
  • the user input unit may include a touch- sensitive display and when the volume of the played media content is reduced the user touches the touch- sensitive display to select to discard the volume reduction.
  • the speaker unit is configured to increase the volume of the played media content to the volume level before the reduction.
  • the processing unit is configured to count the number of user selections to discard volume reduction of the played media content, in response to the sound pattern comparison unit corresponding the recorded sound pattern to the predefined sound pattern;
  • the processing unit is further configured to discard the volume reduction.
  • the electronic device further includes a memory unit 406 that includes a sound pattern storage unit 407.
  • the sound pattern storage unit is configured to store sound patterns. The stored sound pattern may be recorded using the microphone unit, predefined sound patterns, and/or sound patterns received from external devices using the
  • the memory unit is further configured to store the number of times, count, that the volume reduction in response to a recorded sound pattern is discarded.
  • the memory unit is also devised to store media content such as video, audio and game files that may be played out using the speaker unit of the electronic device.
  • the electronic device further comprises a communication unit 408 configured to receive and to transmit sound patterns such as predefined sound patterns or recorded sound patterns from external devices.
  • the external device may be an internet server where sound patterns are stored, a database for sound patterns, or another electronic device.
  • the communication unit is configured to receive and transmit sound pattern using wireless short- range or long-range communication and/or as using wired communication.

Abstract

L'invention concerne un dispositif électronique et une méthode pour un dispositif électronique, le dispositif électronique comprenant un lecteur multimédia permettant de lire un contenu multimédia, et comprenant de plus une unité microphone, une unité haut-parleur, une unité de traitement comprenant une unité de comparaison de motif sonore, et une unité mémoire. Premièrement, l'unité microphone enregistre un motif sonore. Ensuite, une unité de comparaison de motif sonore compare le motif sonore enregistré avec un motif sonore prédéfini. Si le motif sonore enregistré correspond au motif sonore prédéfini, alors le volume du contenu multimédia, lu en utilisant l'unité haut-parleur, est baissé ou coupé.
PCT/SE2013/051015 2013-08-29 2013-08-29 Réduction de volume pour un dispositif électronique WO2015030642A1 (fr)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105260161A (zh) * 2015-10-29 2016-01-20 维沃移动通信有限公司 一种应用软件音量控制的方法及移动终端
CN107276894A (zh) * 2017-08-11 2017-10-20 无锡北斗星通信息科技有限公司 微信声音控制平台
CN108630202A (zh) * 2017-03-21 2018-10-09 株式会社东芝 语音识别装置、语音识别方法以及语音识别程序
EP3435641A1 (fr) * 2017-07-26 2019-01-30 Vestel Elektronik Sanayi ve Ticaret A.S. Dispositif électronique, procédé de fonctionnement et programme informatique

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WO2011001433A2 (fr) * 2009-07-02 2011-01-06 Bone Tone Communications Ltd Système et procédé pour procurer des signaux sonores

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105260161A (zh) * 2015-10-29 2016-01-20 维沃移动通信有限公司 一种应用软件音量控制的方法及移动终端
CN108630202A (zh) * 2017-03-21 2018-10-09 株式会社东芝 语音识别装置、语音识别方法以及语音识别程序
CN108630202B (zh) * 2017-03-21 2021-12-03 株式会社东芝 语音识别装置、语音识别方法以及记录介质
EP3435641A1 (fr) * 2017-07-26 2019-01-30 Vestel Elektronik Sanayi ve Ticaret A.S. Dispositif électronique, procédé de fonctionnement et programme informatique
CN107276894A (zh) * 2017-08-11 2017-10-20 无锡北斗星通信息科技有限公司 微信声音控制平台
CN107276894B (zh) * 2017-08-11 2018-01-23 中州大学 微信声音控制平台

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