WO2005011235A1 - Verfahren und system zum bereitstellen einer freisprechfunktionalität bei mobilen telekommunikationsendeinrichtungen durch temporäres herunterladen eines sprachverarbeitungsalgorithmus - Google Patents
Verfahren und system zum bereitstellen einer freisprechfunktionalität bei mobilen telekommunikationsendeinrichtungen durch temporäres herunterladen eines sprachverarbeitungsalgorithmus Download PDFInfo
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- WO2005011235A1 WO2005011235A1 PCT/DE2004/001253 DE2004001253W WO2005011235A1 WO 2005011235 A1 WO2005011235 A1 WO 2005011235A1 DE 2004001253 W DE2004001253 W DE 2004001253W WO 2005011235 A1 WO2005011235 A1 WO 2005011235A1
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- Prior art keywords
- telecommunications terminal
- further characterized
- service server
- server
- speech
- Prior art date
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- 238000004422 calculation algorithm Methods 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000012545 processing Methods 0.000 title claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims description 15
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- 238000012360 testing method Methods 0.000 claims description 13
- 238000012795 verification Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 10
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- 230000008054 signal transmission Effects 0.000 claims description 3
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- 238000001228 spectrum Methods 0.000 claims description 2
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- 230000007613 environmental effect Effects 0.000 description 3
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Classifications
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- 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
- H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
- H04M1/6041—Portable telephones adapted for handsfree use
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/28—Constructional details of speech recognition systems
- G10L15/30—Distributed recognition, e.g. in client-server systems, for mobile phones or network applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/42136—Administration or customisation of services
- H04M3/42178—Administration or customisation of services by downloading data to substation equipment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/271—Devices whereby a plurality of signals may be stored simultaneously controlled by voice recognition
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- 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
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72406—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by software upgrading or downloading
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
- H04M2201/40—Electronic components, circuits, software, systems or apparatus used in telephone systems using speech recognition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/74—Details of telephonic subscriber devices with voice recognition means
Definitions
- the invention relates to a method for carrying out a hands-free communication using a telecommunication terminal, in particular a mobile telecommunication terminal, and a system for providing such a hands-free communication and for use within such a system appropriately adapted devices.
- Voice services which can be called by telephone and which have implemented, server-based speech recognition (Automatic Speech Recognition, ASR) are known from the prior art.
- a dialog system connected to the telephone network enables communication between these services and a user, the aforementioned speech recognition forming a technical basis for this communication.
- Such server-based speech recognition generally has programs for implementing algorithms for processing digitized speech data and subsequently for recognizing spoken utterances by the user.
- echo compensation and noise reduction methods are used on the corresponding server system connected to the telephone network to improve recognition in a preprocessing stage of speech recognition.
- DSR distributed speech recognition
- telecommunications terminals such as an MDA or PDA mentioned above, or even a telephone, including a cordless or mobile telephone, from a moving vehicle, for example also for the use of voice services, by the legislator different handsets are required in different countries.
- Such hands-free systems generally have a so-called level scale to avoid feedback between the microphone and loudspeaker.
- level scales can fluctuations in the occurrence of background noise
- An object of the invention is to show a way which is new and significantly improved compared to the above-mentioned prior art, with which an extremely flexible hands-free functionality for
- telecommunications terminal equipment can be guaranteed, but especially for the aforementioned mobile telecommunications terminal equipment, which generally only has a very limited storage capacity.
- the invention thus proposes a method for carrying out hands-free communication using a telecommunications terminal, in particular a mobile telecommunications terminal, in which at least one program for realizing a communication connection, at least for the duration of a communication connection
- Speech processing algorithm in particular a hands-free algorithm, is temporarily or permanently loaded into the communication device by a service server and implemented for use.
- Telecommunication terminal devices such as a PDA, MDA or a mobile phone can be used, which have no or only a very small storage capacity, in particular also permanent storage capacity, and furthermore, similar to human-to-human communication, the transmission of
- Voice signals are made possible during the telecommunication connection.
- a voice service for example based on server-based voice recognition as with the ASR, can already use existing interfaces under hands-free conditions using existing interfaces
- Telecommunication networks are used, ie without, as is the case with the distributed speech recognition DSR
- the case is the need for an additional agreement or standardization of new or further interfaces.
- the loading comprises the loading of at least one echo cancellation and / or noise reduction algorithm from the service server. Additionally or alternatively, at least one voice and / or voice verification, recognition, and / or
- classification algorithm can be loaded by the service server, a user and / or a language can also be verified in this way, depending on the application, e.g. as registered with a service, recognizable, e.g. from a group of people, and / or classifiable, e.g. as male or female.
- a program for realizing a "text-to-speech" algorithm that is to say for the automated conversion of texts into speech, can be loaded.
- the voice signals to be transmitted are preferably digitized for transmission, with an additional coding of the, depending on the telecommunications terminal used
- Voice signals can be carried out, for example based on a terminal device operating according to the GSM standard.
- Preferred embodiments of correspondingly adapted devices thus comprise A / D and / or D / A converters and are system-system-specifically designed for the use of, in particular, digital algorithms.
- the service server which expediently contains one Has stored a large number of algorithms for temporary loading, in order to further increase flexibility, in particular with regard to the provisioning and access capacities, it is provided that the latter is arranged so that it can be accessed centrally via at least one communication network. Connections can accordingly be established in a simple manner, essentially location-independent, between one or a plurality of telecommunication terminal devices and the service server via the at least one communication network, for example a radio network, fixed network and / or the Internet.
- such a connection can be set up directly between the service server and a specific telecommunications terminal, such a connection for loading at least one algorithm or the program for implementing an algorithm preferably being set up on an automatic or user-defined request signal by the telecommunications terminal.
- the invention also includes particularly preferred embodiments, in which a connection is further established via at least one communication network between the telecommunication terminal and a server-based speech recognition system.
- connection is set up for the temporary loading of at least one algorithm between the service server and the telecommunication terminal device in response to a request signal from the server-based speech recognition system.
- the method according to the invention further provides that the connection is application-specific between the telecommunication terminal device and the at least one communication network, by wire or wireless. The invention thus enables the connection of essentially everyone
- Telecommunications terminal device and the implementation of the method according to the invention using essentially any communication network, in particular a mobile radio network, for example GSM (Global System for Mobile communication) or UMTS (Universal Mobile Telecommunication System) - based, a (W) LAN network (( Wireless) Local Area Network) and / or a landline network, for example in the case of a DECT (Digital Enhanced Cordless Telecommunication) telephone as a telecommunications terminal.
- GSM Global System for Mobile communication
- UMTS Universal Mobile Telecommunication System
- WLAN network (W) Local Area Network)
- landline network for example in the case of a DECT (Digital Enhanced Cordless Telecommunication) telephone as a telecommunications terminal.
- DECT Digital Enhanced Cordless Telecommunication
- the arrangement according to the invention of a server-based speech recognition system and / or the service server is also extremely flexible and can be handled in an application-specific manner.
- the server systems are also provided using WEB servers, that is to say essentially computers and / or software which provide HTTP (HyperText Transfer Protocol) and Internet access in a network, with connections to the
- the telecommunication terminal devices comprise interface devices for providing communication connections via the Internet.
- the invention thus makes it possible in a particularly expedient manner to set up a call for a respective connection between the telecommunications terminal device and the service server and / or the server-based speech recognition system and / or between the speech recognition system and the service server using respectively assigned identifiers.
- the invention consequently guarantees the use of a large number of such identifiers, in particular application-specific, depending on the telecommunication networks, servers and / or telecommunication terminal devices used.
- Such identifiers can be, for example, subscriber line numbers and / or service numbers, IP addresses, call line identifiers (CLI, Calling Line Identification; ANI, Automatic Number Identification) and / or mobile phones assigned identifier addresses stored in a home location register (HLR, Home Location Register) of a respectively assigned communication network include.
- CLI Calling Line Identification
- ANI Automatic Number Identification
- HLR Home Location Register
- the telecommunications terminal is designed for multi-channel processing of signals. In this way it is additionally possible to ensure that the quality, in particular a noise reduction, for example at
- connection of several microphones via a corresponding audio and / or stereo input is further improved by the location of the speech source, which is then fundamentally possible.
- the multi-channel processing can also take place on the server, in which case a multi-channel or virtually multi-channel (multiplex) transmission between the server and the terminal is required. If the telecommunication terminal has at least two microphone channels, such as a stereo input, then a hands-free algorithm with multi-channel processing, in particular for locating the speech source for improved noise reduction, can advantageously be loaded into the telecommunication terminal.
- the telecommunication terminal additionally has at least two loudspeaker channels and the signal transmission is multichannel or virtual multichannel (multiplex), then a stereo or hands-free algorithm and / or a stereo or multichannel echo compensation, in particular for hands-free transmission with spatial perception, can preferably be loaded into the telecommunication terminal.
- a multi-channel transmission also has the advantage that, for example, in addition to speech data, further specific parameters, vector data, test and / or adjustment signals can be transmitted in a simple manner, which otherwise must be embedded together with the speech data in the mono signal, if necessary.
- a comparison unit is preferably provided which compares a test signal output on the part of the telecommunication terminal device via a loudspeaker with the reception signal then obtainable via a microphone of the telecommunication terminal device.
- such a check is carried out in response to a message transmitted by the server-based speech recognition system and / or the service server or by a test signal generated by the telecommunications terminal.
- the invention includes embodiments in which the actual comparison check of the two signals takes place directly in the telecommunications terminal or only after the received signal has been retransmitted to one of the server-based systems.
- the updating of an algorithm or the adaptation, adaptation or replacement of the at least one algorithm used, which corresponds to the current environment, is thus carried out in response to the check result, for example by reloading a corresponding program from the service server or, if a large number of algorithms on the telecommunications terminal are at least temporarily loaded by appropriate selection of the appropriate algorithm by the telecommunications terminal itself.
- the invention also preferably provides a conversion functionality for the speech signals for transmission between communication units operating at different frequencies, for example from a telecommunications terminal device processing a speech signal on a 30 kHz basis 8 kHz basis provided communication link of a communication network used with subsequent subsequent conversion to 30 kHz by a conversion device corresponding to the server-based speech recognition.
- the invention also proposes that specific identification parameters and / or tariffing parameters be transmitted by the telecommunications terminal for further processing and recorded by a device assigned to the speech recognition system and / or the service server.
- one of the telecommunication terminal devices and / or the user of the telecommunication terminal devices By means of application-specific tariffing parameters, one of the telecommunication terminal devices and / or the user of the
- Telecommunication terminal equipment preferably assigned automatic payroll accounting and / or charging of services and / or algorithms provided for a fee with essentially all accounting and / or charging methods known per se for this purpose in a very simple manner.
- the invention further provides in a practical further development that before or during the application of a temporarily implemented algorithm the calibration of an analog-digital and / or digital-analog conversion to be carried out on the part of the telecommunication terminal device takes place.
- a calibration can be carried out once for a communication connection or continuously.
- digital calibration is also advantageous, in particular using a processor of the telecommunications terminal device that executes a respective algorithm.
- the voice signal itself and / or correspondingly designed test signals for example a noise signal emitted during pauses in speech via the loudspeaker of the telecommunication terminal device and the noise signal received back via the microphone of the telecommunication terminal device.
- the invention consequently comprises, in particular in accordance with the appended claims, a system which is appropriately designed to carry out the method according to the invention and which, in its individual embodiments, has the same and / or comparable advantages as the advantages listed above.
- Fig. 1 is a highly simplified schematic diagram of a system according to the invention and 2 shows a simplified block diagram to illustrate a local processing principle for the hands-free functionality according to the invention on a mobile telecommunication terminal according to the invention.
- a mobile telecommunications terminal 100 is shown, which via an air interface, e.g. by radio, as indicated by the double arrow 1, has access to a telecommunications network 200.
- duplex communication is expediently made available via the air interface, full duplex communication.
- the mobile telecommunication terminal 100 is a mobile telephone, a PDA or also an MDA, which communicate on a GSM standard based on a mobile radio network thus included in the present case by the telecommunication network 200 u and thus voice data corresponding to a person-to-person Can transmit communication over the network 200.
- the mobile radio network and the telecommunications terminal device 100 assigned to it can also be based on another standard, for example a UMTS standard.
- the term telecommunication network used generally means a single communication network or a plurality of
- Communication networks including voice / data networks and data / data networks.
- a voice-controlled CT server (computer telephony server) with algorithms for voice recognition 300, either permanently or, if necessary, with the telecommunications network 200 suitable for the transmission of voice data, directly via the mobile radio network or via other, is not via at least one other interface, identified by the double arrow 2 shown communication networks connected.
- a permanent connection 3 to a service server 400 which can be set up if required and which contains a large number of digital hands-free algorithms and possibly further audio signals preprocessing algorithms such as in particular echo compensation and / or noise reduction algorithms.
- the system arrangement shown comprises a third server 500, which is part of a tariffing and / or fee collection and charging system, that is to say essentially a so-called billing system or billing support system (BSS), to which a simplex connection 4 in the case under consideration here can be set up via the telecommunications network 200.
- a third server 500 which is part of a tariffing and / or fee collection and charging system, that is to say essentially a so-called billing system or billing support system (BSS), to which a simplex connection 4 in the case under consideration here can be set up via the telecommunications network 200.
- BSS billing support system
- the servers 300, 400 and 500 preferably comprise for communication and / or data exchange with one another direct connections 5, 6, so that in an alternative embodiment, for example, only connection 2 from the servers 300, 400 and 500 to the telecommunications network 200 is necessary to carry out the method according to the invention described in detail below.
- the servers 300, 400 and 500 are part of a common server device.
- Servers 300, 400 and 500 are according to a preferred one
- the system arrangement shown for the mobile telecommunication terminal 100 via the telecommunication network 200 provides at least one program for realizing a hands-free algorithm loadable from the Internet by the service server 400 and for use of a voice service provided by the server 300 temporarily loaded and implemented on the mobile telecommunications terminal 100. Since, in general, a working memory is already sufficient for the temporary loading, the mobile telecommunications terminal device 100 in this case essentially does not require any hard disk storage capacity, which, however, can still be used in special application forms.
- a correspondingly suitable algorithm can be temporarily loaded and implemented on the telecommunication terminal 100. After specific use, the storage space is made available to other applications.
- the at least one algorithm is transmitted, for example when the server 300 and / or 400 is called for the first time, based on a corresponding service subscription or also by direct request from the user of the mobile telecommunication terminal 100.
- the mobile telecommunications terminal 100 has a transmitting and receiving unit 101, a coding device 102 and a processor unit 103 connected to the temporary memory, via which an algorithm temporarily loaded onto the memory can be executed.
- the processor unit 103 is connected to a digital-to-analog converter 105, which is connected to an internal loudspeaker 108, or additionally or alternatively, for example via an infrared or Bluetooth interface or also via a wired interface to an external loudspeaker 110 is connectable.
- An internal microphone 107 or, in a corresponding manner, an interface from an external microphone 109 provides a connection to the processor unit 103 via an interposed analog-to-digital converter 104
- controllable calibration control unit 106 is provided for calibrating transducers 105 and 104.
- the converters 104 and 105 or an associated unit expediently additionally provide a signal amplification that can be set in particular.
- the transducers 104 and 105 are calibrated once each time the telecommunications terminal 100 is started up, or are monitored, for example continuously or time-based, during operation.
- a digital calibration for example based on the signal present at the processor unit 103, which is fed to the converter 105 or received by the converter 104, can also be carried out.
- Such a calibration is preferably specifically tailored to a specific group of temporarily loadable algorithms, in particular using a corresponding assignment and / or linking scheme.
- digital signals transmitted from the speech recognition system server 300 to the mobile telecommunication terminal 100 are thus transmitted via the telecommunication network 200
- Speech signals before being output to the loudspeaker 108 or 110 are digitized and sent to the hands-free algorithm activated by the processor unit 103 for processing and then via the digital-to-analog converter 105 fed to the speaker 108 and / or 110. Accordingly, a voice signal received via the microphone 107 and / or 109 after a digital-to-analog conversion is fed by the converter 104 with a correspondingly adapted amplification to the processor unit 103 and processed by the activated hands-free algorithm before it is forwarded via the telecommunications network 200.
- the present invention enables the use of voice services under hands-free conditions, in particular also within a vehicle, by using the existing interfaces.
- Noise reduction algorithms are correspondingly temporarily loaded onto the telecommunications terminal 100 for execution by the processor unit 103.
- the mobile telecommunication terminal 100 connects several microphones, e.g. B. via a stereo input, offers, in addition, the possibility of the quality of the noise reduction through the then in principle possible location of the speech source, that is, the speaker or the user of the mobile telecommunications terminal 100 again decisively improve.
- a noise reduction algorithm is carried out directly on the speech recognition system server 300, on the other hand, only a mono signal is generally available which, although it does reduce noise, generally does not make it possible to locate it.
- Tariffing and / or identification parameters from the telecommunications terminal 100, the server 300 and / or the service server 400 to the tariffing server 500 are preferred for the duration of the use of the speech recognition service provided via the server 300 and / or for the use of an algorithm by the service server 400 transmitted, by means of which the service can be billed, wherein essentially all known or also to be developed methods can be used for billing and / or debiting of accounts.
- a check of the current suitability of the algorithm or algorithms carried out by means of the processor unit 103 is preferably carried out via a comparison signal which, for example, in speech breaks packed in a noise signal, is output via the loudspeaker 108 or 110 and received again as a response signal via the microphone 107 and / or 109 and compared with the output signal.
- a comparison signal which, for example, in speech breaks packed in a noise signal, is output via the loudspeaker 108 or 110 and received again as a response signal via the microphone 107 and / or 109 and compared with the output signal.
- test or adjustment signal can be generated independently by the mobile telecommunications terminal when a corresponding signal generator (not shown) is provided, in particular if several algorithms that can be selected for activation are temporarily transferred to the mobile
- Telecommunications terminal 100 are loaded. Such test or calibration signals can, however, also by the Server 300 and / or 400 for mobile
- Telecommunication terminal 100 transmitted and after receiving the response signal with the server or a correspondingly assigned checking unit for the suitability of the currently activated algorithm compared, so that possibly a correspondingly adapted updated algorithm from the service server 400 to the mobile telecommunications terminal 100 and there is temporarily loaded.
- Such a comparison or test signal is preferably embedded as a noise signal in the voice signal in the case of a single-channel version of the mobile telecommunications terminal device 100 and can be used in the case of a two-channel version of the mobile
- Telecommunications terminal 100 can be transmitted via the additional channel, for example.
- the invention provides for a two-channel design of the mobile
- Telecommunication terminal 100 via the additional channel, i.e. essentially independently of the voice data, but possibly additional parameters, depending on the algorithm used, such as the above identification parameters, further data and / or possibly also
- the invention further includes embodiments in which the interfaces 1 and 2 to the frequency band of the mobile telecommunications terminal 100 have different frequency bands. Based e.g. B. the signal processing of the telecommunications terminal 100 on a 30kHz band, the
- Telecommunications terminal device 100 preferably has a conversion device in order to convert the 30 kHz voice signal for transmission to the voice-controlled CT server 300, for example to an 8 kHz voice signal.
- the signals received in this way are, depending on the application, reset to the original 30 kHz signal, in turn, by a conversion unit assigned to the CT server 300 before speech recognition. For the detection of such signals, which may need to be implemented, e.g. above, additionally transmitted data or parameters used.
- the invention also includes embodiments in which, on the basis of identification parameters specifying the telecommunication terminal 100, the data are transmitted when the speech recognition server 300 calls
- Telecommunications terminal 100 with be transmitted and / or requested, a pre-selection of algorithms to be transmitted is made. Such preselected
- Algorithms can be preset for the specified telecommunication terminal 100 or e.g. have proven to be suitable algorithms in the past, for example based on an environmental condition determined in the past with respect to the telecommunications terminal 100.
- the service server 400 is subsequently instructed, for example via the connection 5, to transmit the selected or preset algorithm. In a corresponding manner, however, there is also a preselection
- identification parameters are application-specific variable and can, for example, depending on the telecommunications terminal used, include an IP address, a CLI and / or parameters queried by the server 300 from an HLR assigned to the telecommunications terminal 100.
- the telecommunication terminal device 100 is designed to be mobile.
- the invention can also be a stationary or a telecommunication terminal permanently integrated in a vehicle, which depending on the underlying system, e.g. is also designed with a DECT, a Bluetooth, a (W) LAN or other, also wired, interface for access to a corresponding network.
- the overall telecommunications network 200 used can thus be application-specific and can include, for example, mobile radio networks, (W) LAN, fixed networks and / or the Internet.
- the telecommunications network used can also comprise an intelligent network, with at least the speech recognition system server 300 preferably being arranged in a service node and expediently having access to an intelligent peripheral.
- the service server 400 is also designed, for example, directly, bypassing the telecommunication network 200, with the telecommunication terminal device 100 to provide algorithms.
- the service server 400 is part of an intelligent one, for example in a vehicle accommodated unit, on which a large number of algorithms are available and, for example, from a central server unit (not shown in FIG. 1) is accordingly supplied with current algorithms via the telecommunications network.
- a correspondingly suitable algorithm can consequently also be temporarily loaded onto the telecommunications terminal 100 from such an arranged service server by means of a direct connection to the telecommunications terminal 100.
- call identifiers assigned in accordance with the individual system components 100, 300, 400 and / or possibly 500 it is thus possible, essentially independently of location and in the case of an application-specific selected or present arrangement, to have the desired or necessary
- Such identifiers thus include in particular
- a permanently installed speech processing functionality, in particular hands-free and / or noise reduction or speech recognition functionality, on a telecommunication terminal 100 is therefore no longer necessary due to the invention, so that the invention is used in particular in telecommunication terminals that have no or only a very small memory, none sufficient capacity on this more have at hand or this capacity is to be used for other purposes.
- a connection to the service server 400 is first automatically established for the temporary loading and implementation of one or, if appropriate, also several algorithms on the telecommunication terminal 100, from which the telecommunication terminal 100 then uses suitable can be selected accordingly.
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
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Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US10/565,629 US20060223512A1 (en) | 2003-07-22 | 2004-06-17 | Method and system for providing a hands-free functionality on mobile telecommunication terminals by the temporary downloading of a speech-processing algorithm |
EP04738704A EP1649672A1 (de) | 2003-07-22 | 2004-06-17 | Verfahren und system zum bereitstellen einer freisprechfunktionalität bei mobilen telekommunikationsendeinrichtungen durch temporäres herunterladen eines sprachverarbeitungsalgorithmus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE10333896A DE10333896A1 (de) | 2003-07-22 | 2003-07-22 | Verfahren und System zum Bereitstellen einer Freisprechfunktionalität bei mobilen Telekomunikationsendeinrichtungen |
DE10333896.9 | 2003-07-22 |
Publications (1)
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WO2005011235A1 true WO2005011235A1 (de) | 2005-02-03 |
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PCT/DE2004/001253 WO2005011235A1 (de) | 2003-07-22 | 2004-06-17 | Verfahren und system zum bereitstellen einer freisprechfunktionalität bei mobilen telekommunikationsendeinrichtungen durch temporäres herunterladen eines sprachverarbeitungsalgorithmus |
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US (1) | US20060223512A1 (de) |
EP (1) | EP1649672A1 (de) |
DE (1) | DE10333896A1 (de) |
WO (1) | WO2005011235A1 (de) |
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US8279895B2 (en) | 2006-09-26 | 2012-10-02 | Koninklijke Philips Electronics N.V. | Efficient channel architectures for multi-channel MAC protocols in wireless ad hoc networks |
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US20070136069A1 (en) * | 2005-12-13 | 2007-06-14 | General Motors Corporation | Method and system for customizing speech recognition in a mobile vehicle communication system |
US7986914B1 (en) * | 2007-06-01 | 2011-07-26 | At&T Mobility Ii Llc | Vehicle-based message control using cellular IP |
US20090099848A1 (en) * | 2007-10-16 | 2009-04-16 | Moshe Lerner | Early diagnosis of dementia |
CN101719370A (zh) * | 2009-11-25 | 2010-06-02 | 中兴通讯股份有限公司 | 实现移动终端音频编解码算法可重构的装置及方法 |
JP2013068532A (ja) * | 2011-09-22 | 2013-04-18 | Clarion Co Ltd | 情報端末、サーバー装置、検索システムおよびその検索方法 |
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US20020034971A1 (en) * | 1999-02-08 | 2002-03-21 | Chienchung Chang | Data allocation for multiple applications on a microprocessor or dsp |
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2003
- 2003-07-22 DE DE10333896A patent/DE10333896A1/de not_active Withdrawn
-
2004
- 2004-06-17 US US10/565,629 patent/US20060223512A1/en not_active Abandoned
- 2004-06-17 EP EP04738704A patent/EP1649672A1/de not_active Ceased
- 2004-06-17 WO PCT/DE2004/001253 patent/WO2005011235A1/de not_active Application Discontinuation
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WO1997050222A1 (en) * | 1996-06-27 | 1997-12-31 | Mci Communications Corporation | Wireless smart phone |
US20020071396A1 (en) * | 1999-12-08 | 2002-06-13 | Lee William C.Y. | Tunnelling wireless voice with software-defined vocoders |
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WO2007079017A3 (en) * | 2005-12-30 | 2007-09-07 | Telenav Inc | Communication system with remote applications |
US8279895B2 (en) | 2006-09-26 | 2012-10-02 | Koninklijke Philips Electronics N.V. | Efficient channel architectures for multi-channel MAC protocols in wireless ad hoc networks |
Also Published As
Publication number | Publication date |
---|---|
EP1649672A1 (de) | 2006-04-26 |
DE10333896A1 (de) | 2005-02-10 |
US20060223512A1 (en) | 2006-10-05 |
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