DE102016110927A1 - Speech service unit for a household appliance, household appliance, apparatus and method for detecting a noise and method for voice operation of a household appliance - Google Patents

Speech service unit for a household appliance, household appliance, apparatus and method for detecting a noise and method for voice operation of a household appliance

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Publication number
DE102016110927A1
DE102016110927A1 DE102016110927.4A DE102016110927A DE102016110927A1 DE 102016110927 A1 DE102016110927 A1 DE 102016110927A1 DE 102016110927 A DE102016110927 A DE 102016110927A DE 102016110927 A1 DE102016110927 A1 DE 102016110927A1
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Germany
Prior art keywords
noise
household appliance
audio signal
voice
device
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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.)
Pending
Application number
DE102016110927.4A
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German (de)
Inventor
Lars Ellerkamp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Miele and Cie KG
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Miele and Cie KG
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Publication date
Application filed by Miele and Cie KG filed Critical Miele and Cie KG
Priority to DE102016110927.4A priority Critical patent/DE102016110927A1/en
Publication of DE102016110927A1 publication Critical patent/DE102016110927A1/en
Application status is Pending legal-status Critical

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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/20Speech recognition techniques specially adapted for robustness in adverse environments, e.g. in noise, of stress induced speech
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/22Procedures used during a speech recognition process, e.g. man-machine dialogue
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0272Voice signal separating
    • G10L21/028Voice signal separating using properties of sound source
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L2021/02082Noise filtering the noise being echo, reverberation of the speech
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering

Abstract

The invention relates to a voice service unit (104) for a domestic appliance, wherein the voice service unit (104) comprises at least one microphone (200) for recording an audio signal (204) depicting an ambient noise (202), a compensation device (208) designed for this purpose in the audio signal (204) mapped noise (110) to compensate using a compensation rule (210) to obtain a compensated audio signal (212), a detection device (214) adapted to a voice command (206) for the household appliance in the compensated audio signal (212) and in a command signal (216), and a communication device (218) adapted to transmit the command signal (216) to the household appliance.

Description

  • The invention relates to a voice control unit for a domestic appliance, a domestic appliance with a voice control unit, a device and a method for detecting a noise and a method for voice control of a household appliance.
  • A household appliance has controls for manual operation. For networked home appliances, commands and queries can be made over a data connection.
  • It is an object of the present invention to provide an improved speech service unit for a home appliance, an improved home appliance, an improved apparatus and method for detecting a noise, and an improved method for voice operation of a household appliance.
  • According to the invention, this object is achieved by a voice service unit for a domestic appliance, a household appliance, a device and a method for detecting a noise as well as a method for voice control of a household appliance with the features of the main claims. Advantageous embodiments and further developments of the invention will become apparent from the following subclaims.
  • In order to remotely transfer commands to a household appliance, an acoustic monitoring of an environment of the household appliance can take place. However, this environment may be affected by noise. In order to still be able to understand voice commands, the noise can be filtered out. This is particularly promising if the expected in the surrounding noise is known.
  • A speech service unit for a household appliance is presented, wherein the voice service unit has the following features:
    at least one microphone for receiving an ambient noise imaging audio signal;
    compensation means configured to compensate a noise mapped in the audio signal using a compensation law to obtain a compensated audio signal;
    a recognition device configured to recognize a voice command for the domestic appliance in the compensated audio signal and to map it in a command signal; and
    a communication device, which is designed to transmit the command signal to the household appliance.
  • Under a household appliance, for example, a kitchen appliance or a laundry care device can be understood. The household appliance can be controlled remotely. An audio signal can be understood as an electrical signal. A noise can be understood as an operating noise or one or more noises of the household appliance or another household appliance occurring during operation. A compensation rule can be, for example, a compensation algorithm, a calculation rule or a setting rule for setting, for example, an adaptive filter for filtering out the known noise or noise. Compensating may be understood to mean at least partial removal or filtering out of the interfering signal. A voice command may be directed to a particular addressee. The voice command may have a predetermined structure. The voice command may be constructed from a predetermined vocabulary. The voice command may be included in the ambient noise. The voice command may be superimposed in the uncompensated audio signal by the noise. A command signal may be an electrical signal. The communication device can transmit the command signal, for example via a local network to the household appliance.
  • The voice service unit may have an evaluation device which is designed to evaluate the audio signal in order to determine the noise. Furthermore, the voice operation unit may have a changing device that is configured to change the compensation rule using the noise. The noise can stand out against a background noise. The noise can be determined, for example isolated, if no voice command is detected. Parameters of the compensation rule can be adapted to the actual noise. This makes it easier to separate noise from voice commands.
  • The communication device may further be configured to provide a request signal requesting the noise via an operator interface. The evaluation may begin in response to the request signal. The operator can initiate the noise without voice commands.
  • The communication device can also be configured to send the request signal to the household appliance in order to trigger the noise. The noise may be provided automatically by the home appliance or other addressed home appliances if no voice commands are detected. This allows a high recording quality can be achieved.
  • The voice service unit may have at least one further microphone for recording a further audio signal representing the ambient noise. The evaluation device can be designed to further evaluate the further audio signal in order to determine the noise. Through a multiple recording, a high audio quality can be achieved.
  • The evaluation device can be designed to determine a position of the household appliance using a transit time difference between the audio signal and the further audio signal. Due to the known speed of sound, an angle to the source of the noise can be determined. For more than two microphones, a spatial survey can be done.
  • The altering device can also be designed to create a location plan of the household appliance using the position. A shape of the room can be captured. A place of installation of the household appliance can be determined relative to the room. The map can be called an acoustic map.
  • The detection device can also be designed to determine a position of the household appliance using a floor plan. The communication device may be configured to transmit a highlight signal to a highlighting device for highlighting the household device using the position. A highlighting device may be a lighting device. The respective addressed household appliance can be highlighted. If the voice service unit knows where in the room the home appliance is located, the highlighter can be aligned thereon.
  • The voice operation unit may include the highlighting device configured to visually highlight the home appliance. Directed or alignable lights can be integrated into the voice control unit.
  • The voice operation unit may include a ceiling fixing unit for fixing the voice operation unit to a ceiling of a room containing the home appliance. The voice control unit can be snapped onto an adapter, for example. As a result, the voice operation unit can be removed, for example, for cleaning.
  • Furthermore, a household appliance is presented with a voice control unit according to the approach presented here. The voice service unit can be integrated in the household appliance. For example, a device arranged centrally in the room can comprise the voice-operated unit.
  • An apparatus for detecting a noise for a voice operation unit has the following features:
    a communication device configured to provide a request signal requesting the noise via an interface;
    at least one microphone for receiving an ambient noise imaging audio signal; and
    an evaluation device, which is designed to evaluate the audio signal to determine the noise.
  • The device may be implemented as a separate unit. Alternatively, the devices of the device may be integrated into said voice service unit. Also, facilities of the voice service unit may be additionally or exclusively used for the device. The evaluation device can have additional functionalities, as already described on the basis of the voice service unit. Furthermore, the device may comprise the aforementioned changing means.
  • A corresponding method for detecting a noise for a voice service unit comprises the following steps:
    Providing an interfering requesting request signal via an interface;
    Recording an ambient noise reproducing audio signal; and
    Evaluate the audio signal to determine the noise.
  • Furthermore, a method for adjusting a compensation rule used in a voice service unit according to the approach presented here is presented, the method having the following steps:
    Evaluating the audio signal to determine the noise; and
    Change the compensation rule using the noise.
  • Furthermore, a method for language control of a household appliance is presented, wherein the method comprises the following steps:
    Recording an ambient noise reproducing audio signal;
    Compensating a noise imaged in the audio signal using a compensation law to obtain a compensated audio signal;
    Recognizing a voice command for the home appliance in the compensated audio signal to obtain a command signal; and
    Transmitting the command signal to the household appliance.
  • Also of advantage is a computer program product or computer program with program code which can be stored on a machine-readable carrier or storage medium such as a semiconductor memory, a hard disk memory or an optical memory. When the program product or program is executed on a computer or device, the program product or program may be used to perform, implement, and / or control the steps of the method of any of the embodiments described above.
  • An embodiment of the invention is shown purely schematically in the drawings and will be described in more detail below. It shows
  • 1 a representation of a kitchen with a household appliance with a voice control unit according to an embodiment;
  • 2 a block diagram of a voice operation unit according to an embodiment;
  • 3 an illustration of a kitchen with a ceiling-mounted voice operation unit according to an embodiment;
  • 4 an illustration of a kitchen in a site plan according to an embodiment;
  • 5 an illustration of a voice operation unit with a highlighting device according to an embodiment; and
  • 6 a flowchart of a method for voice operation of a household appliance according to an embodiment.
  • 1 shows a representation of a kitchen 100 with a household appliance 102 with a voice control unit 104 according to an embodiment. The kitchen 100 is a room of a building. The household appliance 102 here is an extractor hood 102 , In the kitchen 100 are also here as a second household appliance 106 a cooker 106 and as a third household appliance 108 a dishwasher 108 established. The stove 106 is below the cooker hood 102 arranged. The dishwasher 108 is at one of the stove 106 opposite wall of the kitchen 100 established.
  • The household appliances 102 . 106 . 108 emit noises 110 , For example, the stove gives 106 beeps 110 from. The dishwasher 108 emits operating noise 110 from. The noises 110 can be as noise 110 be designated.
  • When an operator issues a voice command, the noise may 110 overlay the voice command. All sounds together can be referred to as ambient noise.
  • The noises 110 For example, in a coffee machine, it can be produced by a grinder and / or a brewing unit. Likewise, in a refrigerator / freezer, a compressor can make the noise 110 produce. With an oven, the noise can be 110 come from a fan or the circulating air. A microwave can cause an operating noise 110 emit. For example, an induction hob can hum with a pot of water. A steamer may have audible steam bursts. In a dishwasher, a distinction can be made between pre-wash, main wash, drain and dry. In a washing machine can be a water inlet, washing and spinning the noise 110 produce. With a dryer, turning and ventilating can make the noise 110 produce. In general, especially for locating all confirmation tones 110 and notification sounds 110 of devices 106 . 108 as suitable for the hob. These can be created manually at the request of a user or in networked devices 106 . 108 be controlled automatically.
  • 2 shows a block diagram of a voice operation unit 104 according to an embodiment. The voice operation unit 104 corresponds essentially to the voice service unit in 1 , The voice operation unit 104 has at least one microphone 200 on to ambient noise 202 to receive and in an audio signal 204 map. The audio signal 204 forms the sounds 110 and any voice commands 206 from. In a compensation device 208 becomes the audio signal 204 by a compensation rule 210 filtered to the noise 110 to compensate and a compensated audio signal 212 to obtain. The compensated audio signal 212 makes the voice commands 206 from. In a recognition device 214 become the voice commands 206 in the compensated audio signal 212 detected and in command signals 216 displayed. The command signals 216 be through a communication device 218 transmitted to the household appliances.
  • In one embodiment, the voice service unit 104 an evaluation device 220 on, in which the noise 110 in the audio signal 204 be isolated. In a change facility 222 becomes the compensation rule 210 using the noise 110 customized.
  • About the communication device 218 may also be a request signal 224 provided which is either provided to the operator, so he can use the household appliances 106 . 108 operated while the sounds 110 generated, or directly to the household appliances 106 . 108 is sent, so that these are the sounds 110 independently to adjust the compensation rule 210 produce.
  • In one embodiment, the voice service unit 104 at least one more microphone 226 on. The other microphone 226 makes the ambient noise 202 with the noise contained therein 110 and voice commands 206 in another audio signal 228 from. The further audio signal 228 is in the evaluation device 220 with the audio signal 204 evaluated the noise 110 to determine.
  • The microphones 200 . 226 have a defined distance from each other. Therefore, they show the ambient noise 202 depending on their place of origin on a time difference. The delay difference is thus also in the audio signals 204 . 228 displayed. Using the delay difference, the evaluation 220 a position 230 determine the noise source. The change device 222 sets a sound card from the different positions 232 together, which depicts the different positions. The noise card 232 forms a map of the kitchen in 1 from.
  • In one embodiment, the recognizer determines 214 in addition to the command signal 216 for a household appliance a position 230 of the household appliance from the map 232 and represents the position 230 for the communication device 218 ready. The communication device 218 sends a highlight signal 234 to a highlighting device, not shown here, to highlight the home appliance.
  • noise 110 should have as little influence on the voice control as possible. The approach described makes it possible to reduce such an influence even when "voice microphones" such as a mobile phone or a headset are used for voice control.
  • The approach presented here compensates for negative sound properties of the room 100 , This will be a voice control in a room 100 with possibly more noise 110 and unknown room acoustics.
  • The voice operation unit 104 includes a device for noise detection. The device for detecting at least one noise comprises at least the evaluation device 220 and additionally uses the communication device according to this embodiment 218 and at least a microphone 200 . 226 , The communication device 218 is used to provide the request signal 224 and that at least a microphone 200 . 226 for recording at least one audio signal 204 . 228 used. Alternatively, the device for detecting at least one noise can be realized with a separate communication device and / or a separate microphone. The device for detecting at least one noise can also be realized as an independent unit, which via an interface with the voice control unit 104 can be coupled.
  • The noise 110 can manually after a by the request signal 224 caused the user to make the devices generate sounds. The request can be made via input / output means not shown here for instructions. An end of the noise generation can be detected or confirmed by a user input.
  • The noise 110 can also automatically via a direct control of the devices for generating noise using the request signal 224 be recorded.
  • In addition, a device location by beamforming the microphones 200 . 226 and optionally by time-of-flight detection of, in particular, ping-type noises 110 , such as a power-on tone.
  • As in 5 In addition, an optical localization of the speech-active device can be effected by controllable light sources.
  • 3 shows a representation of a kitchen 100 with a ceiling-mounted voice control unit 104 according to an embodiment. The kitchen 100 here is a fitted kitchen. The voice operation unit 104 is attached to the ceiling of the room. As based on 1 described, receives the voice operation unit 104 a sound 110 from a household appliance 106 and locates the household appliance 106 in a map of the kitchen 100 , If the other household appliance 108 a sound 110 it is also localized.
  • In other words shows 3 An acoustic device location and Störsignalvermessung. This will provide a voice control of devices 106 . 108 especially in the kitchen 100 improved.
  • In the voice control noise should be 110 have as little influence as possible. Some noise 110 be through the devices 106 . 108 produced yourself. This in the real environment 100 capture, the Erkennungserrate of voice commands with simultaneous noise 110 ,
  • In the acoustic calibration procedure presented here, the influence of noise on a speech signal is optimized. Noise will be in an actual environment 100 recorded in order to offset or hide them.
  • By a particular one-time automatic Einmessvorgang that all noise 110 of household appliances 106 . 108 automatically turns on, the real noise 110 in the current kitchen environment 100 recorded with reverberation, reflections and / or standing waves.
  • By means of beamforming the room becomes 100 sampled until the source 106 of the interference signal 110 is precisely located. Thereafter, the localized interfering signal 110 can therefore be compensated exactly by an algorithm.
  • The voice control ceiling unit shown here 104 has very good speech recognition rates in heavily disturbed environment 100 on.
  • The automatic calibration of known by networking kitchen appliances 106 . 108 takes place after the voice control panel unit 104 is installed. For example, if the first time the electricity for the kitchen 100 is switched on again, announces the ceiling unit 104 with a welcome text and asks the operator if they are allowed to connect to a cloud-based service. If this is approved by the user by voice or app, all existing devices 106 . 108 aligned with the cloud and it is the voice control unit 104 all equipment.
  • Subsequently, the voice service device asks 104 again by voice and / or by app, whether the kitchen environment 100 may be measured. The user is free to talk or use a tablet. This process generates various device-specific sounds 110 and lasts for a predetermined period of time.
  • When the user gives his consent, all the devices will come in turn 106 . 108 own sounds 110 produce, such as coffee grinding. While the sounds 110 are generated, the voice control measures 104 Coordinates in X, Y, Z of the point of the center of this sound 110 and stores the sound, so the reverb and the echo in the real kitchen 100 ,
  • Are all sounds 110 measured, the voice control announces itself 104 and confirms the end of the survey and the operational readiness.
  • By this method all device space positions are then known and assignments can be made.
  • Through the real recorded sounds 110 is a better noise reduction, for example, with hoods noise possible and the quality of voice control is improved.
  • In addition, a hedge of the voice service unit 104 close to the device, which gives the security that is served later in the kitchen by voice and not from the terrace.
  • The noise detection is not on the ceiling unit 104 limited. It can also be connected to a corresponding microphone array on a preferably centrally arranged device 106 . 108 like a stove or an extractor fan like in 1 respectively. The ceiling unit 104 is an embodiment in which a combination with a lighting is easy to implement. The lighting can also be offset from the ceiling unit 104 be arranged.
  • 4 shows a picture of a kitchen 100 in a site plan 232 according to an embodiment. The kitchen 100 corresponds to the illustration in 3 , The household appliances 106 . 108 are here as noise sources in their relative position to the voice service unit 104 shown.
  • It becomes an acoustic spatial picture 232 created, which defines the device positions. Due to the known position of the devices 106 . 106 There will be new logics of the voice MMI. The devices 106 . 108 can be network compatible.
  • 5 shows a representation of a voice operation unit 104 with a highlighting device 500 according to an embodiment. The voice operation unit 104 corresponds essentially to the voice service unit in 4 , In addition, the voice service unit points 104 here the highlighting device 500 on. As in 4 is the voice operation unit 104 on the ceiling of the kitchen 100 attached. The highlighting device 500 includes lights with a narrow emission cone 502 , The emission cone 502 The lights are aligned in different directions. In 5 One of the lights is activated and its light cone 502 is on a household appliance 106 directed to the household appliance 106 emphasized. The household appliance 106 for example, then highlighted if it is currently on the voice control unit 104 controllable device is.
  • In other words shows 5 an optical localization of the speech-active devices 106 , The highlighting shown here can be combined with a voice control of devices especially in the kitchen 100 respectively.
  • The approach presented here allows an operator to view the devices 106 that he wants to use by voice. The light cone 502 is an ad, which device 106 just "listening" or can be controlled. This allows many alternating operations without the devices 106 to watch closely. The operation can thus be carried out from a greater distance. In addition, an active device 106 Display an "active" symbol in the display.
  • Even with strong activity and / or great distraction, the operator knows for sure which device he can operate at the moment. A look in the displays or a voice prompt "Which device is active?" Is unnecessary.
  • By illuminating the respective speech-active devices 106 A very simple and quickly recognizable form of feedback is possible.
  • By in the 3 and 4 described spatial location of the devices 106 and the integration of a lamp 500 with several spotlights in the ceiling unit 104 can the active devices 106 be illuminated.
  • The spatial location provides the spatial positions of the voice-operated devices 106 , The assignment of the lighting 502 done by a lamp 500 with several point sources, which can be targeted. So the room positions of the lamp unit 500 defined during installation, the lighting sources can be adjusted. This can be done for example by app or via voice menu.
  • By means of the luminaire array 500 in the voice service ceiling unit 104 becomes the voice-active device 106 For example, a dishwasher with a light spot 502 characterized. As a result, a simple orientation is possible with which device is currently being communicated.
  • In 5 is a use of spotlights 502 the voice operation unit 104 shown.
  • After the measuring is done, the user can be asked if the device is the spot lighting 502 should be done. After a confirmation will be a spot lighting 502 driven. This spot 502 Can be done by hand on the device 106 , for example, to align the oven. If the spot 502 is aligned, the process is confirmed by voice or app. The process is repeated for the maximum possible spots or devices.
  • In one embodiment, then starts the voice control 104 a show program and names the kitchen appliances in turn 106 by their names and illuminates them simultaneously with the corresponding spot 502 , After that the voice control announces 104 the completion of this process.
  • Once this process has taken place, the device currently being addressed by speech will become one 106 illuminated and the user has an optical feedback of his communication. This function can be activated or deactivated by voice dialogue or via app.
  • In one embodiment, the voice service unit 104 an automatically adjustable spotlight 500 on. Thereby the spot lighting can 500 be motor or aligned by light field or beam shaping. Aligning the light cone 502 can be done automatically and without manual alignment by the user. In addition, a position-dependent working field illumination can be activated. Based on an operator position in the room, the working area in front of the user can be automatically illuminated in the area of the arms. Also, the operator can act like an actor on stage by light spot 502 be followed.
  • 6 shows a flowchart of a method for voice operation of a household appliance according to an embodiment. The method may be implemented on a voice service unit, such as in 2 is shown executed. The method has one step 600 of recording, one step 602 of compensating, one step 604 of knowing and a step 606 of submitting.
  • In step 600 of recording, an ambient sound imaging audio signal is recorded. In step 602 compensating, a noise mapped in the audio signal is compensated using a compensation law to obtain a compensated audio signal. In step 604 of recognizing, a voice command for the domestic appliance is detected in the compensated audio signal to obtain a command signal. In step 606 the transmission of the command signal is transmitted to the household appliance.

Claims (15)

  1. Voice control unit ( 104 ) for a household appliance ( 102 ), wherein the voice service unit ( 104 ) has the following features: at least one microphone ( 200 ) for picking up an ambient sound ( 202 ) reproducing audio signal ( 204 ); a compensation device ( 208 ), which is adapted to be in the audio signal ( 204 ) mapped noise ( 110 ) using a compensation rule ( 210 ) to compensate for a compensated audio signal ( 212 ) to obtain; a recognition device ( 214 ) adapted to issue a voice command ( 206 ) for the household appliance ( 102 ) in the compensated audio signal ( 212 ) and in a command signal ( 216 ); and a communication device ( 218 ) which is adapted to receive the command signal ( 216 ) to the household appliance ( 102 ).
  2. Voice control unit ( 104 ) according to claim 1, with an evaluation device ( 220 ), which is adapted to the audio signal ( 204 ) to eliminate the noise ( 110 ) and a modification device ( 222 ), which is adapted to the compensation rule ( 210 ) using the noise ( 110 ) to change.
  3. Voice control unit ( 104 ) according to claim 2, wherein the communication device ( 218 ) is further adapted to a the noise ( 110 ) requesting signal ( 224 ) via an operator interface.
  4. Voice control unit ( 104 ) according to one of claims 2 to 3, in which the communication device ( 218 ) is further adapted to receive the request signal ( 224 ) to the household appliance ( 102 ) to reduce the noise ( 110 ).
  5. Voice control unit ( 104 ) according to one of claims 2 to 4, with at least one further microphone ( 226 ) to record another the ambient noise ( 202 ) imaging audio signal ( 228 ), wherein the evaluation device ( 220 ) is designed, further the further audio signal ( 228 ) to eliminate the noise ( 110 ).
  6. Voice control unit ( 104 ) according to claim 5, wherein the evaluation device ( 220 ) is adapted, using a transit time difference between the audio signal ( 204 ) and the further audio signal ( 228 ) a position ( 230 ) of the household appliance ( 102 ) to investigate.
  7. Voice control unit ( 104 ) according to one of claims 2 to 6, in which the altering means ( 222 ) is further adapted, using the position ( 230 ) a map ( 232 ) of the household appliance ( 102 ) to create.
  8. Voice control unit ( 104 ) according to one of the preceding claims, in which the recognition device ( 214 ) is further adapted, using a site plan ( 232 ) a position ( 230 ) of the household appliance ( 120 ) and the communication device ( 218 ) is adapted, using the position, a highlight signal ( 234 ) to a highlighting device ( 500 ) for highlighting the household appliance ( 102 ).
  9. Voice control unit ( 104 ) according to claim 8, with the highlighting device ( 500 ), which is adapted to the household appliance ( 102 ) visually emphasize.
  10. Voice control unit ( 104 ) according to one of the preceding claims, with a ceiling mounting unit for fixing the voice operation unit ( 104 ) on a ceiling of a household appliance ( 102 ) containing space ( 100 ).
  11. Domestic appliance ( 102 ) with a voice operation unit ( 104 ) according to one of claims 1 to 10.
  12. Device for detecting a noise for a voice operation unit ( 104 ) according to one of the preceding claims, the device comprising the following features: a communication device ( 218 ), which is adapted to a the noise ( 110 ) requesting signal ( 224 ) via an interface; at least one microphone ( 200 ) for picking up an ambient sound ( 202 ) reproducing audio signal ( 204 ); and an evaluation device ( 220 ), which is adapted to the audio signal ( 204 ) to eliminate the noise ( 110 ).
  13. Method for detecting a noise for a voice service unit ( 104 ) according to one of the preceding claims, the method comprising the steps of: providing the noise ( 110 ) requesting signal ( 224 ) via an interface; Take up ( 600 ) one of an ambient noise ( 202 ) reproducing audio signal ( 204 ); and evaluating the audio signal ( 204 ) to reduce the noise ( 110 ).
  14. Method for language operation of a household appliance ( 102 ), the method comprising the following steps: recording ( 600 ) one of an ambient noise ( 202 ) reproducing audio signal ( 204 ); Compensate ( 602 ) one in the audio signal ( 204 ) noise ( 110 ) using a compensation rule ( 210 ), a compensated audio signal ( 212 ) to obtain; Detect ( 604 ) of a voice command ( 206 ) for the household appliance ( 102 ) in the compensated audio signal ( 212 ) to generate a command signal ( 216 ) to obtain; and submit ( 606 ) of the command signal ( 216 ) to the household appliance ( 102 ).
  15. Computer program product with program code for carrying out the method according to one of the preceding claims, when the computer program product is stored on a device ( 104 ) is performed.
DE102016110927.4A 2016-06-15 2016-06-15 Speech service unit for a household appliance, household appliance, apparatus and method for detecting a noise and method for voice operation of a household appliance Pending DE102016110927A1 (en)

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