WO2016156448A1 - Système de calcul pour un véhicule - Google Patents

Système de calcul pour un véhicule Download PDF

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Publication number
WO2016156448A1
WO2016156448A1 PCT/EP2016/056993 EP2016056993W WO2016156448A1 WO 2016156448 A1 WO2016156448 A1 WO 2016156448A1 EP 2016056993 W EP2016056993 W EP 2016056993W WO 2016156448 A1 WO2016156448 A1 WO 2016156448A1
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WO
WIPO (PCT)
Prior art keywords
signal
output
virtual
unit
computer system
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.)
Ceased
Application number
PCT/EP2016/056993
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German (de)
English (en)
Inventor
Albert Kos
Jürgen Leimbach
Jörg Witthaus
Konrad Hilarius
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.)
Aumovio Germany GmbH
Original Assignee
Continental Automotive Technologies GmbH
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Filing date
Publication date
Application filed by Continental Automotive Technologies GmbH filed Critical Continental Automotive Technologies GmbH
Publication of WO2016156448A1 publication Critical patent/WO2016156448A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • G06F2009/45579—I/O management, e.g. providing access to device drivers or storage
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/02—Circuits for transducers for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/13—Aspects of volume control, not necessarily automatic, in stereophonic sound systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • 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
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
    • 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
    • H04S7/307—Frequency adjustment, e.g. tone control

Definitions

  • Computer system for a vehicle The invention relates to a computer system for a vehicle.
  • the object of the invention is to provide a computer system for a vehicle, which enables a reliable output of audio signals.
  • the invention is characterized by a computer system for a vehicle, which comprises a computing unit for executing electronic processing and / or management of signals. Furthermore, the computer system comprises an output unit for outputting an audio signal, which is signal-technically coupled to the arithmetic unit.
  • the computing unit comprises a virtualization layer, a central virtual management unit and at least one virtual signal generator unit.
  • Signal generator unit is gekop pelt signally respectively via the virtualization layer with the virtual management unit ⁇ .
  • the virtualization layer to a respective one of parallel to a parallel operating an operating system of the virtual central management unit ⁇ on the computing unit "
  • the at least one virtual Signalge ⁇ berech is ⁇ forms for providing a signal which is representative of a dispensed Au diosignal.
  • the central virtual management unit is designed to control the output of a respective signal of the at least one virtual signal generator unit via the output unit.
  • the computer system enables secure, robust and possibly certified operation of a plurality of virtual signal generator units and the central virtual management unit on a single processor.
  • the virtualization layer has the at least one virtual signal transmitter unit and the central virtual one
  • the central virtual management unit allows centralized management of the signals provided, so that, for example, safety-relevant contents can be reliably reproduced ⁇ and at the same time contribute to minimizing the distraction of a driver of the vehicle.
  • the output unit may for example be preceded by a virtual output unit.
  • the computer system comprises a data interface, which is signal-technically coupled to the central virtual management unit.
  • the data interface is a connection to a bus system of the vehicle.
  • the central management unit is also directly virtual signaling purposes with the at least one virtual signal generator unit ge ⁇ coupled.
  • a direct signal technology coupling the central virtual management unit with the at least one vir ⁇ tual signal generator unit in this context means that a signal flow between the central virtual administrative ⁇ processing unit and the at least one virtual signal ge ⁇ prepared standardized not necessarily extends layer on the virtualization. For example, information about an operating state of the vehicle is transmitted to the at least one virtual signal transmitter unit if certification of the respective virtual signal transmitter unit is ensured.
  • the Ausga ⁇ impressive integrated is adapted to output a haptic and / or optical signal.
  • haptic or optical signals can be output, so that a driver's attention of the vehicle can be specifically directed to a situation.
  • the computer system enables centralized management of the signals, so that, for example, conflicting indications can be avoided and the driver's slight distraction is contributed.
  • the at least one virtual signal generator unit is ⁇ forms in this connection, for providing a signal which is representative of a dispensed haptic table or optical signal.
  • the at least one virtual signal transmitter unit is designed as a virtual management unit. This helps to manage a plurality of virtual signal ge ⁇ prepared units reliable.
  • the virtual signal generator units are arranged hierarchically under the central virtual management unit, so that first of all a control ⁇ tion of a respective signal on the input side of the central virtual management unit is carried out by the at least one designed as a virtual management unit virtual signal generator unit.
  • the central virtual management unit followed by the STEU ⁇ ng the output of the respective signals on the input side of the central management unit via the virtual Ausgabeein ⁇ unit.
  • the central management virtual unit is adapted to review the performed by the at least one virtual signal generator unit be ⁇ riding detected signal.
  • the central management virtual unit is further configured, the output of convenientlyge ⁇ presented by the at least one virtual signal generator unit signal to the output unit depends on the comment about taxes.
  • the signal provided by the at least one virtual signal transmitter unit comprises at least one of:
  • a temporal course of the audio signal to be output a calculation rule for generating the time profile of the audio signal to be output,
  • a pointer to an entry in a first database comprising the time profile of the audio signal to be output.
  • the time course of the outputted audio signal may also be referred to as a "stream" or data stream.
  • the time course of the outputted audio signal can be in particular ⁇ sondere coded, for example, for efficient transmission of the signal.
  • the calculation rule for the generation of the time course of the outputted audio signal and / or the pointer to the entry in the first database may also be referred to as a so-called "event" or event.
  • the central virtual management unit is designed to determine the time profile of the audio signal to be output as a function of the signal provided by the at least one virtual signal transmitter unit.
  • the central management virtual unit can in particular comprise an input, a decoder, a first database and a profile generator in this connexion to ⁇ .
  • the arithmetic ⁇ nersystem is formed of the central virtual management unit ⁇ at least one of the following first features provide by the at least one virtual signal generator unit signal provided from:
  • the accounting is formed nersystem the central virtual management unit ⁇ at least one of the following second features provide by the at least one virtual signal generator unit signal provided from:
  • the type of audio signal to be output can be, for example, a data stream or an event.
  • the central management virtual unit is adapted to perform the rating from ⁇ pending from the first features, and / or depending on the characteristics of the second through the at least one virtual signal ge ⁇ prepared integrated signal provided.
  • the output unit can thereby be controlled so that respective information is output at a suitable time at the appropriate location.
  • ⁇ particular can make security-related information in a timely and be reliably issued. Furthermore, it can contribute to the driver's slight distraction.
  • the central management virtual unit is adapted, in the case of providing ⁇ placings by the at least one virtual signal generator unit of at least two signals to an overlapping output, a volume at the same time to be output the audio signals to adjust depending on the evaluation.
  • the central virtual management ⁇ unit is assigned in this context, in particular a mixer.
  • the central management virtual unit is adapted in the case of Be ⁇ riding placings by the at least one virtual signal generator ⁇ unit of at least two signals to an overlapping output to perform a comparison of the located overlapping signals to be output and an output timing of the signals dependent on to match the comparison.
  • signals can be output at the same time depending on their information content.
  • optical or haptic signals may be output in the rhythm of an audio signal to be output or from a same direction with respect to the vehicle occupant.
  • the accounting is formed nersystem to provide an operating condition of the vehicle, the central management virtual ⁇ unit.
  • the operating state includes, for example, a current driving situation, such as a highway ride of the vehicle or a stoppage of the vehicle in a traffic jam.
  • the central virtual management unit is designed, depending on the operating state, to perform an adaptation of the audio signal to be output, which comprises at least one of:
  • the volume of the audio signal to be output can be increased, for example, so that a perception of the output by the driver is made possible despite increased ambient noise.
  • the output can be adapted to a predetermined setting of the driver.
  • the computer system comprises, for example, a second database in which the adaptation of the audio signal to be output is stored corresponding to the driving situation.
  • Figure 1 shows a computer system in a schematic representation
  • Figure 2 is a flowchart for operating the computer system.
  • a plurality of audio can in a vehicle ⁇ sources such as music, telephony, navigation, radio / CD and "apps" so- ⁇ called, so programs such as for playback of music, be involved, each providing signals its output via a speaker system of the vehicle.
  • the vehicle has a variety of security ⁇ systems, such as braking assistance, blind spot warning Abstandsregel- system and parking pilot, each providing signals acoustically tables warnings and information to access identified hazards or problems indicate a driver.
  • the various safety-critical, acoustic or multi-media ⁇ signals differ in their characteristics, that is a kind of signal, a security relevance of the signal, an urgency of the signal and a certifi ⁇ cation of the audio source.
  • FIG. 1 shows a computer system 1 for a vehicle which controls and manages an output A on an output unit 5.
  • the computer system 1 comprises a computing unit 3 and the output unit from ⁇ . 5
  • the arithmetic unit 3 comprises a virtualization layer 7, a central virtual management unit 9 and a plurality of virtual signal generator units 11, 13, 15.
  • the arithmetic unit 3 uses the virtualization layer 7 to provide virtual hardware in each case for the central management virtual unit 9 and the vir tual ⁇ signaling units 11, 13, 15 available.
  • the virtualization layer 7 separated in this context, each parallel running software systems of the central vir tual ⁇ management unit 9 and the virtual signal ge ⁇ prepared units 11, 13, 15 in a secure, robust, and if it ⁇ conducive certified manner.
  • the virtual signal generator units 11, 13, 15 are in each case components which generate signals S 1, S 2, S 3, which are each representative of an audio signal to be output at the output unit 5.
  • the signals S 1, S 2, S 3 are sent via the virtualization layer 7 to the central virtual Management Unit 9 transferred.
  • the signals S 1, S 2, S 3 additionally or alternatively are representative of an optical or haptic signal to be output at the output unit 5.
  • the signals Sl, S2, S3 may differ, for example, depending on the respective virtual signal generator unit 11, 13, 15 in their nature.
  • the signal Sl for example, re ⁇ presentative for dispensed music, a dispensed phone call, a dispensed audio signal of the radio, one dispensed voice output of the navigation, a dispensed audio signal from so-called "Apps” or be output audio signal from an external audio source such as in a data ⁇ transmission
  • the signal S1 is in particular a so-called "audio stream” or audio data stream, which encodes the time course of the audio signal to be output in coded form, for example MP3 or FLAC-coded, or in uncoded form, such as, for example, 16 bits linear signal.
  • the virtual signal generator unit 13, the signal S2 be ⁇ riding provides, for example, can be a safety critical system.
  • the signal S2 is then, for example, representative of a warning signal to be issued.
  • the signal S2 is a so-called "event" or event, which comprises a calculation rule for generating the time profile of the audio signal or warning signal to be output
  • the 52 may also establish a link to an entry in a first database 23, which includes the time profile of ⁇ out to be awarded audio signal or warning signal.
  • the event contains particular data of warnings or Informa ⁇ functions he ⁇ are conducive for producing the audio signal to be output.
  • the warnings may contain information from a security system of the vehicle, such as, for example, the park pilot, the brake assistant or the distance control system.
  • the signal S2 may be an audio data stream.
  • the virtual signal generator unit 15, the riding be ⁇ provides the signal S3 may, for example be a Physunkriticians system.
  • the signal S3 is then representative of, for example, an indication signal to be output. In a domesticsva ⁇ riante the signal S3 is an event.
  • the event includes in this case in particular non-critical information like ⁇ play as an information about an incoming telephone call ⁇ .
  • the signal S3 is an audio data stream.
  • the signals S 1, S 2, S 3 can have different features which, for example, can be combined with the respective signal S 1, S 2,
  • the virtual signal transmitter unit 11, 13, 15 is representative of a verified compatibility of the respective virtual signal transmitter unit 11, 13, 15 with the computer system 1.
  • the second features M2 (see FIG. 2) of the signal S1, S2, S3 can be, for example, a direction of the audio signal to be output and / or a position of the audio signal to be output and / or the type of audio signal to be output and / or Number of channels to be transmitted from ⁇ auditory signal.
  • each virtual signal generator unit 11, 13, 15 is provided via the central virtual management unit 9 with a virtual output unit which enables a virtual output of the signals S1, S2, S3, by way of example and position-dependent.
  • the central virtual management unit 9 serves as a central unit for managing, processing and reproducing the signals S1, S2, S3 and merges all the information.
  • the central virtual management unit 9 in this context comprises an input 19, a decoder 21, the first database 23, a history generator 25, a mixer 27 and a control unit 29.
  • control unit 29 includes a program that is explained in more detail below with reference to the flowchart of Figure 2.
  • a step PS1 the program is started in which, for example, variables are initialized.
  • step PS3 the signals S1, S2, S3 are generated by the respective virtual signal generator units 11, 13, 15.
  • the signals S1, S2, S3 are also transmitted to the central virtual management unit 9 and received in the input 19.
  • the program is then continued in a step PS5.
  • step PS5 the first and second features Ml, M2 are determined.
  • the program is then continued in a step PS7.
  • step PS7 depending on the respective first and second features M1, M2, an evaluation B of the signals S1, S2, S3 takes place. For example, carried out in this connection, a prioritization of respective signals Sl, S2, S3, which have a high secure ⁇ standardized relevant and urgent.
  • control unit 29 can, for example, access the first database 23 and read out a time profile of the audio signal to be output corresponding to the respective signal S1, S2, S3.
  • the first database 23 does not include a time course corresponding to the audio signal to be output, the
  • Control unit 29 to generate the time course by means of the history ⁇ generator 25.
  • the control unit 29 uses the first and second features M1, M2 to determine which time profiles corresponding to the signals S1, S2, S3 are generated by the history generator 25.
  • the respective signal Sl, S2, S3 is an audio data stream, it is possible, for example, to dispense with readout of the first database 23 or progression generation by means of the history generator 25.
  • the respective signal S1, S2, S3 can be transmitted to the decoder 21 for decoding.
  • an operating condition Z of the vehicle is determined.
  • the operating condition of the vehicle includes at Z ⁇ play, a current driving situation such as a highway driving or stopped in a traffic jam.
  • the operating state Z may, for example, additionally include other situations in which, for example, a vehicle occupant is on the phone in the vehicle.
  • the central virtual management ⁇ unit 9 for example, a second database 31 assigned (see Figure 1), are stored in the corresponding to predetermined operating conditions different modes that contain audiorelevant settings for the different situations.
  • the modes include a highway mode, a jam mode, a phone mode, or the like.
  • the audio relevant settings include music selection, volume ratio, and driver preferences.
  • the operating state Z is determined by the control unit 29 as a function of a totality of the signals S1, S2, S3 and their characteristics M1, M2. For example, in this
  • the virtual signal generator unit 15 be representative of a telephone call of the vehicle occupant in the vehicle.
  • the computer system 1 can, for example, in addition via a data interface 17 (see Figure 1) data provided by a sensor unit, not shown, such as a microphone, so that the operating condition Z of the vehicle are further determined depending on information about the environment of the vehicle, such as an environmental noise level can.
  • the program is then continued in a step PS11.
  • step PS11 the different decoded, or generated or retrieved from the first database 23 time profiles of the signals Sl, S2, S3 are received by the history generator 25.
  • the history generator 25 performs an adaptation F of the audio signals to be output.
  • step PS13 the time profiles of the signals S1, S2, S3 adapted by the adaptation F are transmitted to the mixer 27. Depending on the rating B and the fit F, the output A is determined.
  • the control unit 29 uses the first and second features M1, M2 to determine which of the respective signals S1, S2, S3 are preferably displayed during mixing by the mixer 27 or which events are not output depending on the operating state Z of the vehicle become.
  • a respective signal Sl, S2, S3 is representative of an audiorelevant signal to be output, for example, optical or haptic output
  • an intensity of the ⁇ issuing signal Sl, S2, S3 such as adjusting a brightness of the optical output.
  • the output A comprises in particular a holistic audio signal which reflects the current driving situation, corresponds to the selected modes and is adaptively adapted to the current driving situation.
  • the holistic audio signal refers in particular to a weighted superimposition of the temporally overlapping signals S 1, S 2, S 3, which are representative of an audio signal to be output, in which the weighting of the prioritization and filtering corresponds to the evaluation B and the adaptation F.
  • the holistic audio signal is finally transmitted to a loudspeaker of the output unit 5 and reproduced, for example via a multi-channel loudspeaker system.
  • the individual speakers 33, 35, 37, 39 of the multi-channel speaker systems are triggered ⁇ targeted so that a positional and directional reproduction is made possible.
  • a number The loudspeaker 33, 35, 37, 39 need not necessarily coincide with the loudspeakers 33, 35, 37, 39 shown in FIG. Rather, it is conceivable that the output unit 5 preferably comprises more than four speakers, or even fewer speakers.
  • the output A additionally comprises, for example, an integrated ⁇ pending audio relevant signal, for controlling further au ⁇ diorelevanter elements 41 of the output unit 5.
  • This may be, for example, tone generator such as a piezoelectric actuator in a windscreen of the vehicle and Tonvernichter as in the engine mounting of the vehicle. Further, these may be, for example, haptic elements such as a vibrating seat or optical elements such as light effects or displays. The program will then be terminated.
  • the computer system 1 enables secure ⁇ standardized warnings critical and non-critical multimedia content to reliably manage means of a common processing unit 3 and output.
  • Multiple virtual signal encoder units 11, 13, 15 having different Softwarequa ⁇ lticianen in terms of their certifiability or secure ⁇ relevance integrated on the common computer unit.
  • the virtual signal generator units 11, 13, 15 are independent of each other, so that, for example, malfunction of one of the virtual signal generator units 11, 13, 15, the function of the entire computer system 1 is not affected. This offers advantages for developers of external, non-certified or unsafe software systems that can be used with the computer system 1 despite lower security features in the vehicle with high security requirements.
  • the central virtual management unit 9 Since only the central virtual management unit 9 has access to the arithmetic unit 3, ie its inputs and outputs, hard ⁇ wareb accelerator and the like, the central virtual management unit 9 can be realized with the highest security ⁇ requirements. This is possible because the virtual signal generator units 11, 13, 15 and the central virtual Management unit 9 by the virtualization layer 7 are se ⁇ pariert and the respective virtual signal generator units 11, 13, 15 with low security requirements, the central virtual management unit 9 does not affect. This leads to the independence of the central virtual management unit 9 and the virtual signal generator units 11, 13, 15 and the virtual signal generator units 11, 13, 15 with each other.
  • individual instances of the central virtual management unit 9 such as the control unit 29, the history generator 25, the mixer 27 or the first database 23 can also be used within the respective virtual signal generator units 11, 13, 15 to precalculate certain time courses to perform the respective signals Sl, S2, S3.
  • This can be, for example, a complex decoding or a complex conversion or adaptation of a specific event into an audio signal to be output. This makes it possible to meet the high security requirements for the computer system 1, in particular for complex audio processing, by avoiding overloading by outsourcing or the risk of crashes of the computer system 1.
  • no modes are ver ⁇ turns and the adaptation F of the signals Sl, S2, S3 or an adaptation of the integral loan output signal to the current driving situation is carried out only by a set current, a ⁇ continuous events or audio data streams.
  • the computer system 1 is designed such that each speaker 33, 35, 37, 39 of the output unit 5 is individually controlled or a simple stereo signal is output. This allows playback of direction-based and position-based audio signals that can be determined and generated from the information and events.
  • a lane change assistant reports an obstacle on a left rear side of the vehicle.
  • the output A comprises a warning sound, which is output via the one or more of the speakers 33, 35, 37, 39, which are arranged on this side, in particular corresponding to the obstacle, in the vehicle.
  • the mixer 27 is formed in the computer system 1 as a stereo or 3D mixer.
  • the individual virtual signal generation means ⁇ units 11, 13 are 15 associated virtual output units so mixed together that retained all of the spatial locations of the outputted audio signals in the output A of the subsequent integrated loan audio signal.
  • the 3D mixer the output audio signals of the virtual Sig ⁇ nalgebericaen 11, 13, 15 mix so that they are each adapted to a vehicle occupant in the vehicle and thus signals 11, 13, 15 of multiple virtual signal generator units 11, 13, 15 specifically spatially can be represented.
  • the output A include one dispensed voice output of the navigation with respect to the vehicle located in front.
  • the output A may comprise a music to be output, set by a vehicle occupant on a back seat of the vehicle, located rearward with respect to the vehicle, for example, although both audio signals to be output from the respective virtual signal generator units 11, 13, 15 are located for output on the virtual output units in front.
  • the virtual From ⁇ transfer units are managed by means of binaural by the computer system 1 that allow a small number such as two loudspeakers only a spatial representation of audio signals for vehicle occupants in the vehicle.
  • the ambient sound volume is taken inside or outside of the vehicle from a microphone and transmitted to the central virtual administrative ⁇ processing unit. 9
  • the information may be used by the control unit 29 to avoid noise cancellation or echo effects, for example in telephony, or to adjust the overall volume of the computer system 1.
  • single signal can be powered and communicate via an existing bus system transmitter units ⁇ on other processing units, for example via the data interface 17.
  • the ⁇ transmitter units by these signal signals provided may include the first and second features Ml, M2, for example, also.
  • Ml, M2 the first and second features
  • each virtual signal transmitter unit 11, 13, 15 is arranged in a decentralized manner and provides the respective signals S1, S2, S3, which are sent to a central mixer, independently. The central mixer then generates a mixed output signal observing fixed rules.
  • control unit 29 can carry out the evaluation B free of the features M1, M2 of the signal S1, S2, S3 by determining an identification of the signal S1, S2, S3 via the virtual signal generator unit 11, 13, 15.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

L'invention concerne un système de calcul (1) pour un véhicule qui comprend une unité de calcul (3) ainsi qu'une unité de sortie (5). L'unité de calcul (3) comprend une couche de virtualisation (7), une unité de gestion virtuelle centrale (9) et au moins une unité virtuelle de fourniture de signaux (11, 13, 15). La couche de virtualisation (7) est conçue pour un fonctionnement parallèle d'un système d'exploitation de l'unité de gestion virtuelle centrale (9) sur l'unité de calcul (3) en parallèle à un système d'exploitation respectif de la ou des unités virtuelles de fourniture de signaux (11, 13, 15). La ou les unités virtuelles de fourniture de signaux (11, 13, 15) sont conçues pour fournir un signal (S1, S3, S5) qui est représentatif d'un signal audio à émettre. L'unité de gestion virtuelle centrale (9) est conçue pour la commande d'une sortie d'un signal respectif (S1, S3, S5) de la ou des unités virtuelles de fourniture de signaux (11, 13, 15) par l'intermédiaire de l'unité de sortie (5).
PCT/EP2016/056993 2015-04-02 2016-03-31 Système de calcul pour un véhicule Ceased WO2016156448A1 (fr)

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DE102015206021.7A DE102015206021B4 (de) 2015-04-02 2015-04-02 Rechnersystem für ein Fahrzeug
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DE102017213256B4 (de) 2017-08-01 2025-10-16 Bayerische Motoren Werke Aktiengesellschaft Verfahren, Vorrichtung, mobiles Anwendergerät, Computerprogramm zur Steuerung eines Audiosystems eines Fahrzeugs

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