EP1885157A2 - Aide auditive dotée d'un producteur de signaux audio et procédé - Google Patents

Aide auditive dotée d'un producteur de signaux audio et procédé Download PDF

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Publication number
EP1885157A2
EP1885157A2 EP07112179A EP07112179A EP1885157A2 EP 1885157 A2 EP1885157 A2 EP 1885157A2 EP 07112179 A EP07112179 A EP 07112179A EP 07112179 A EP07112179 A EP 07112179A EP 1885157 A2 EP1885157 A2 EP 1885157A2
Authority
EP
European Patent Office
Prior art keywords
signal
sound
hearing aid
generation parameter
generator
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
EP07112179A
Other languages
German (de)
English (en)
Other versions
EP1885157A3 (fr
Inventor
Wolfgang Sörgel
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.)
Sivantos GmbH
Original Assignee
Siemens Audioligische Technik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Audioligische Technik GmbH filed Critical Siemens Audioligische Technik GmbH
Publication of EP1885157A2 publication Critical patent/EP1885157A2/fr
Publication of EP1885157A3 publication Critical patent/EP1885157A3/fr
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/61—Aspects relating to mechanical or electronic switches or control elements, e.g. functioning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/30—Monitoring or testing of hearing aids, e.g. functioning, settings, battery power
    • H04R25/305—Self-monitoring or self-testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/603—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of mechanical or electronic switches or control elements

Definitions

  • the invention relates to a hearing aid with at least one sound receiver and a sound generator.
  • the at least one sound receiver is configured to receive sound waves and to generate a microphone signal representing the received sound waves.
  • the hearing aid also has a transmission unit which is connected on the input side to the at least one sound receiver and on the output side to the sound generator.
  • the transmission unit is designed to receive the microphone signal on the input side and to generate a power signal which at least partially represents the microphone signal as a function of the microphone signal received on the input side.
  • the sound generator is designed to receive the power signal on the input side and to generate a sound as a function of the power signal received on the input side, which corresponds to the power signal.
  • Hearing aids known from the prior art are designed to generate an acknowledgment tone as a function of an event and to reproduce it via the sound generator.
  • Such an acknowledgment tone formed, for example, as a section of a sine or square wave signal, can be perceived as unpleasant.
  • the object underlying the invention is therefore to provide a different hearing aid, which can generate a Quittmaschineston with improved sound quality.
  • a hearing aid of the type mentioned wherein the hearing aid has an operatively connected to the sound generator audio signal unit with at least one tone signal generator.
  • the at least one sound signal generator is designed to receive a sound signal in response to a trigger signal and at least one generation parameter produce.
  • the audio signal represents at least one frequency perceptible by a human ear.
  • the hearing aid also has a memory connected to the at least one tone signal generator for the at least one generation parameter.
  • the audio signal unit is designed to change the at least one generation parameter held in the memory.
  • the audio signal unit is designed to generate a trigger signal for each tone signal to be generated and to send this to the tone signal generator.
  • the audio signal unit is designed to send the at least one generated sound signal to the sound generator. In this way, a sound signal can advantageously be generated to save space, which is provided for example to acknowledge an event.
  • the audio signal unit is preferably designed to generate the trigger signal as a function of an event, in particular as a function of an event signal representing the event.
  • the audio signal unit can have an input for the event signal and be designed to generate the trigger signal in dependence on the event signal.
  • the event may be, for example, a user interaction, a hearing aid response to a user interaction, or a status of a process in the hearing aid.
  • the event may be a battery state of charge of a battery connected to the hearing aid.
  • the audio signal may represent, for example, an instrumental sound or a vocal sound.
  • a generation parameter can represent, for example, the instrumental sound or the vocal sound, a volume, a frequency, or a harmonic spectrum of the sound signal to be generated. This advantageously allows a generation parameter to be changed separately from a triggering parameter.
  • An instrumental sound may be, for example, an instrumental sound of a keyboard instrument, in particular a piano sound, a harpsichord sound, an organ sound or a sound of a wind instrument, in particular a flute, an oboe, a bassoon, a trumpet, a trombone, a horn, a clarinet or a stringed instrument, in particular a violin, a viola, a cello or a double bass, or a plucking instrument, in particular a mandolin, a guitar in particular electric guitar, a zither, or a percussion instrument, in particular a drum, a timpani, a pelvis, a cowbell, a triangle or a castanet be.
  • a generation parameter may represent a predetermined sound of a musical instrument, particularly corresponding to a kicked pedal on a piano or a corresponding damper on a brass instrument.
  • the audio signal unit may generate a sequence of trigger signals to reproduce a tune.
  • the audio signal unit may advantageously generate the tune such that a generation parameter is changed only when required to generate the tune. In this way, it is advantageously possible to save storage space when storing data sets which each represent a melody.
  • the audio signal unit may comprise a plurality of tone signal generators for generating a polyphonic melody.
  • the audio signal unit is configured to receive a generation parameter record representing the generation parameters and to change the generation parameters held in the memory such that the generation parameters held in the memory and the corresponding generation parameters represented by the generation parameter record represent mutually identical values.
  • the audio signal unit may include a generation parameter held in the memory with a through Overwrite generation parameter represented by the generation parameter record.
  • the generation parameters represented by the generation parameter data set are each represented by at least one code word, in particular by exactly one code word, a codeword being assigned to at least one tone signal to be generated.
  • At least one code word is assigned to a tone signal generator. This can advantageously be carried out a targeted control of the tone generator a tone signal generator can advantageously produce a voice representing a sound signal space saving.
  • the audio signal unit can have a plurality of tone signal generators and thereby advantageously produce a polyphonic melody.
  • the at least one code word represents at least one generation parameter.
  • a generation parameter can advantageously be selectively changed.
  • a codeword can represent exactly one generation parameter. This makes a quick and easy interpretation possible.
  • the audio signal unit has a buffer for the at least one generation parameter record.
  • generation parameter data records held in the buffer may advantageously contain codeword data records, wherein the codeword data records together represent a melody.
  • the codeword data sets can thus together form a generation parameter record.
  • the at least one codeword represents information about a following codeword.
  • a following codeword may for example be represented in the buffer by a following codeword record of a sequence of codeword records.
  • the audio signal unit is designed to read at least one codeword bit by bit.
  • the audio signal unit may have a reading unit, which is connected to the intermediate memory and is designed to read out codeword data records stored in the buffer memory.
  • the codeword is a codeword of a redundancy-reducing code.
  • Redundancy reducing code can be an arithmetic code or a Huffman code.
  • a redundancy-reducing code preferably has codewords different from each other, the mutually different codewords each having a mutually different codeword length, in particular as a function of a represented information. As a result, redundant information is advantageously reduced.
  • Figure 1 shows an embodiment of a hearing aid 1 with a sound receiver 5, a transmission unit 7 and a sound generator 3.
  • the operation of the transmission unit 7, the sound receiver 5 and the sound generator 3 and their interaction are as described above.
  • the transmission unit 7 is connected on the input side via a connecting line 51 to the sound receiver 5 and the output side via a connecting line 53 to the sound generator 3.
  • the transmission unit 7 has yet another input for a sound signal.
  • the transmission unit 7 is designed to generate a corresponding power signal as a function of an input signal received on the input side and to send it via the connection line 53 to the sound generator 3.
  • the hearing aid 1 has an audio signal unit 9.
  • the audio signal unit 9 comprises a tone signal generator 10 and a memory 12.
  • the tone signal generator 10 has a frequency input 14 for receiving a frequency signal, a Level input 16 for receiving a level signal, a voice input 18 for receiving a voice signal and a Tauernauereingang 19 for receiving a Tertauersignals on.
  • the tone generator 10 also includes a trigger input 20 for receiving a trigger signal and a tone stop input 22 for receiving a tone stop signal.
  • the frequency input 14, the level input 16, the voice input 18 and the Tauernauerere 19 are each connected via a connecting line to the memory 12.
  • generation parameters 40, 41, 42 and 43 are stored.
  • the generation parameter 40 is assigned to the tone duration input 19
  • the generation parameter 41 is assigned to the voice input 18
  • the generation parameter 42 is assigned to the level input 16
  • the generation parameter 43 is assigned to the frequency input 14.
  • the memory 12 is designed to provide the generation parameters 40, 41, 42 and 43 on the output side.
  • the tone signal generator 10 is designed to generate a tone signal as a function of the input side received generation parameters 40, 41, 42 and 43 and in response to a received via the trigger input 20 a drive signal, and output this output side via the connecting line 49 to the transmission unit 7.
  • the generation parameters 40, 41, 42 and 43 may each represent a value which, in the case of the generation parameter 40, corresponds to a tone duration of a tone signal to be generated, in the case of the generation parameter 41 a voice, in particular an instrumental sound of a tone signal to be generated, in the case of the generation parameter 42 a level and thus a volume of a sound signal to be generated and in the case of the generating parameter 43 corresponds to a frequency and thus a pitch of a sound signal to be generated.
  • the hearing aid 1 also has a central control unit 24.
  • the central control unit 24 is connected on the output side via a connecting line 45 to the sound-stop input 22 and via a connecting line 47 to the trigger input 20.
  • the central control unit 24 is connected on the output side via a connecting line 38 to the memory 12.
  • the central control unit 24 is also connected via a connecting line 36 to a user interface 32 and via a connecting line 34 to a buffer 26, hereinafter also referred to as melody memory.
  • the melody memory 26 may hold at least one or a plurality of records in stock, with a record 28 being exemplified.
  • Record 28 represents a tune and comprises a plurality of codewords represented by codeword records, among which codewords 29 and 30 are exemplified.
  • the codeword 29 in this embodiment represents a voice of a sound signal to be generated
  • the codeword 30 in this embodiment represents a frequency of a sound signal to be generated.
  • a codeword may represent, for example, a level of a sound signal to be generated or a sound duration of a sound signal to be generated. In this way, all codewords of a data set together may form a codeword sequence representing a melody.
  • the central control unit has an input 56 for an event signal.
  • the input 56 for an event signal is connected via a connecting line 57 to a control unit 58, which is designed to generate the event signal as a function of an event.
  • the control unit 58 is connected on the input side to a battery sensor 60 for detecting a state of charge of a battery connected to the hearing aid.
  • the battery sensor 60 is designed to generate a battery signal which corresponds to the predetermined state of charge of the connected battery and to output this on the output side.
  • the control unit may, for example generate an event signal that corresponds to a process status of a process of the hearing aid.
  • a process may be a communication with a user, for example selecting a hearing program or a system test of at least one component of the hearing aid.
  • the central control unit 24 can read out a record corresponding to the event signal from the memory 26 and have it generated by means of the tone signal generator 10.
  • the battery signal may be assigned a predetermined data set, which represents, for example, a descending tone sequence.
  • the central control unit 24 is designed to select a data record from the melody memory 26 via the connection line 34, for example in response to an event signal received on the input side or a user interaction signal received on the input side via the connection line 36, and to read this out via the connection line 34.
  • the central control unit 24 is designed to read the read-out data record 28 in a bit-reading manner. For this purpose, the central control unit 24 can interpret each-in particular bit-wise-code word according to a look-up table. For example, the central control unit 24 may assign a code word to a generation parameter or to another interpretation instruction.
  • the central control unit 24 can send the associated generation parameter via the connecting line 38 to the memory 12 and store it there at a storage location provided for the generation parameter and overwrite an already stored generation parameter there.
  • the central control unit can generate a control signal for generating a sound signal and this on the output side via the connecting line 47 to the tone signal generator 10 and there to send the trigger input 20.
  • the tone signal generator 10 can generate a tone signal as a function of the drive signal received on the input side and in dependence on the input side received generation parameters 40, 41, 42 and 43, wherein a characteristic of the tone signal corresponds to the generation parameters 40, 41, 42 and 43.
  • the user interface 32 may be configured to receive at least one transmitted data set 51 and / or a user interaction signal wirelessly.
  • the central control unit 24 can receive a data set 51 transmitted via the connection line 36 and store it via the connection line 34 as a data record in the memory 26.
  • the memory 26 can thus keep in stock mutually different data sets, which each represent different melodies to each other.
  • the transmitted data record 51 has been generated in this embodiment by a hearing aid programming system 1.
  • the midi converter 52 is configured to convert an input side Midi signal according to a predetermined assignment rule and to generate a data set comprising code words as a result of the conversion.
  • the midi signal is generated in this embodiment by the personal computer 50 and output on the output side to the midi converter 52.
  • the midi signal and the data set generated by the midi converter 52 each represent the same tune.
  • the interface 51 and the interface 32 can each be designed as a radio frequency interface, in particular for inductive transmission of a data set.
  • Each codeword to be interpreted represents in this embodiment - according to a binary code - a context according to which the codeword is to be interpreted.
  • a corresponding decimal value follows in Table 1 an equal sign.
  • a default context - as a start condition - is a voice context.
  • the first codeword has a bit length of 4 bits and in the context corresponds to the voice of a tempo change.
  • the next codeword is accordingly to be interpreted as a tempo codeword and represents a tempo value of 80 beats per minute.
  • the next codeword is in the given context, namely the voice context, and represents a selection of a first voice.
  • the first voice may correspond to the sound of a flute.
  • the next codeword comprises a bit length of 6 bits and represents a generation parameter for a frequency which corresponds to the tone e "The next codeword stands in the context of voice and thus represents the generation parameter voice, this codeword being a second voice, for example the voice
  • the next following codeword represents a change in the context duration time
  • the next succeeding codeword represents a time duration corresponding to a thirty-second note
  • the next succeeding codeword is in the default context, namely the Context Voice and represents the selection of one voice, namely the first voice
  • the next succeeding codeword 10 represents a beginning of a pause for the first voice.
  • the central control unit 24 shown in FIG. 1 can already generate a triggering signal for a tone signal generator for generating the melody shown in FIG. 2 when selecting a voice, which signal is intended to generate the voice.
  • the tone signal generator 10 in FIG. 1 which has at least one, in this embodiment example of FIG. 2, two individual tone signal generators, plays as far as the one After the code word 10 has been interpreted, a first tone pair of the melody in FIG. 2, which comprises a note interval of a fifth, is selected.
  • the codeword 10 represents a sound end for the voice 1 and thus a beginning of a pause for the voice 1.
  • the central control unit 24 in Figure 1 after interpreting the codeword 10, generate a sound-stop signal and send it to the sound signal generator 10.
  • the tone signal generator 10 stops generating the tone signal for the first voice in response to the tone stop signal.
  • the next codeword represents a time corresponding to a thirty-second note.
  • the next code word 13 represents a selection of the voice 1, whereupon the central control unit 24 in FIG. 1 can generate a trigger signal for the sound signal generator 10.
  • the next following codeword 14 represents a frequency, namely the note value d "for the first voice
  • the next codeword 15 represents a selection of the second voice and the next codeword 16 a generation parameter for one frequency, namely the note value h '
  • the next successive codeword 19 represents the selection of the first voice, whereupon the central control unit 24 in Figure 1 can generate a trigger signal for the tone signal generator 10.
  • the next following Codeword 20 represents a tone end of the first voice
  • the central control unit 24 may then generate a tone-stop signal and send it to the tone signal generator 10.
  • the next succeeding codeword 21 represents the selection of the second vote With reference to FIG. 1, a trigger signal for the tone signal generator can then be generated.
  • the next codeword 22 represents a generation parameter for a frequency corresponding to a note value of the note c ⁇ .
  • the tone signal generator 10 in Figure 1 can then generate a tone signal which corresponds to a played note of a bassoon with the pitch c ".
  • the next following code word 23 represents a change in the context time
  • Codeword 24 represents a period of time corresponding to a sixteenth note.
  • the next codeword 25 represents a tone-stop signal for all voices.
  • the central control unit 24 may then send a tone-stop signal to the tone signal generator 10 which, in response, stops generating all the tone signals.
  • the above-described generation method for generating at least one tone signal advantageously consumes less memory space so that not every codeword representing a tone signal is preceded by a codeword which represents a time duration of the codeword representing the tone signal.
  • the generation parameter 40 shown in FIG. 1 and the connection lines to the input 19 for one tone duration are shown in dashed lines.
  • a hearing aid 1 can have no input 19 and no generation parameter 40 independently of the input 19 shown in FIG. 1 and the generation parameter 40.
  • a time duration and a chronological sequence of audio signals to be generated are predetermined by the time sequence of interpreting the code words read out of the memory 26 by the central control unit 24.
  • the central control unit 24 may include a timer 25 for generating an interpretation clock for interpreting the read code words.
  • the timer 25 may for example comprise a quartz crystal.
  • Table 2 shows a look-up table for interpreting read code words, in particular by the central control unit 24 in Figure 1.
  • the code words in Table 2 are binary code words. According to the look-up table shown in FIG. 3, a codeword is assigned a voice or a change to another context.
  • the codewords 1 to 8 of the look-up table each represent one voice, the codeword 9 represents a change in a level context for generating a generation parameter for a level.
  • the codeword 10 represents a change in the context tempo.
  • the codeword 15 represents a change in the time context and that no further sound signals are generated anymore.
  • the codewords of the voice context comprise a bit length of 4 bits.
  • Table 2 code word description new context 0000 Melody end, tone stop for all voices.
  • Table 3 shows a look-up table for codewords from the frequency context, also referred to below as Note.
  • a generation parameter for a frequency can be generated.
  • VoiceContext 0 000001 Note value Midi 48, "C”, approx. 130.8 Hz
  • VoiceContext 0 000010 .. 111001 ... ... 111010
  • VoiceContext 0 111100 RESERVED ERROR 111101 RESERVED for instrument change ERROR 111110
  • Table 5 shows a look-up table for code words from the context tempo, where a bit length of the codewords comprises 4 bits.
  • VoiceContext 0 0001 50 bpm
  • VoiceContext 0 0010 60
  • VoiceContext 0 0011 70
  • VoiceContext 0 0100 80
  • VoiceContext 0 0101
  • bpm VoiceContext 0 0110 100 bpm
  • VoiceContext 0 0111 110 bpm
  • VoiceContext 0 1000 120 bpm; is initial default value for tempo (default)
  • VoiceContext 0 1001 130 bpm
  • VoiceContext 0 1010 140
  • VoiceContext 0 1011 150
  • VoiceContext 0 1100 160
  • VoiceContext 0 1101 180
  • VoiceContext 0 1110 200
  • VoiceContext 0 1111 1111
  • Table 6 shows a look-up table for context time codewords, where a bit length of the codewords comprises 3 bits.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
EP07112179A 2006-08-04 2007-07-10 Aide auditive dotée d'un producteur de signaux audio et procédé Ceased EP1885157A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006036582A DE102006036582A1 (de) 2006-08-04 2006-08-04 Hörhilfe mit einem Audiosignalerzeuger und Verfahren

Publications (2)

Publication Number Publication Date
EP1885157A2 true EP1885157A2 (fr) 2008-02-06
EP1885157A3 EP1885157A3 (fr) 2010-05-19

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EP07112179A Ceased EP1885157A3 (fr) 2006-08-04 2007-07-10 Aide auditive dotée d'un producteur de signaux audio et procédé

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US (1) US8098857B2 (fr)
EP (1) EP1885157A3 (fr)
DE (1) DE102006036582A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4206084C1 (en) * 1992-02-27 1992-12-03 Siemens Ag, 8000 Muenchen, De Hearing aid with acoustic indication of selected setting - has tone generator providing signals indicative of electronically set parameter, adjusted by manual switch
WO2001030127A2 (fr) * 2001-01-23 2001-05-03 Phonak Ag Procede de communication et systeme d'appareil de correction auditive
WO2002041296A1 (fr) * 2000-11-14 2002-05-23 Widex A/S Systeme auditif binauriculaire et procede de musique synthetique
EP1615468A1 (fr) * 2005-10-12 2006-01-11 Phonak Ag Dispositif auditif ayant une MIDI compatibilité

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5832431A (en) * 1990-09-26 1998-11-03 Severson; Frederick E. Non-looped continuous sound by random sequencing of digital sound records
DK0480097T3 (da) * 1990-10-12 1995-06-06 Siemens Audiologische Technik Høreapparat med et datalager
JP2662120B2 (ja) * 1991-10-01 1997-10-08 インターナショナル・ビジネス・マシーンズ・コーポレイション 音声認識装置および音声認識用処理ユニット
US7242778B2 (en) * 2003-04-08 2007-07-10 Gennum Corporation Hearing instrument with self-diagnostics

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4206084C1 (en) * 1992-02-27 1992-12-03 Siemens Ag, 8000 Muenchen, De Hearing aid with acoustic indication of selected setting - has tone generator providing signals indicative of electronically set parameter, adjusted by manual switch
WO2002041296A1 (fr) * 2000-11-14 2002-05-23 Widex A/S Systeme auditif binauriculaire et procede de musique synthetique
WO2001030127A2 (fr) * 2001-01-23 2001-05-03 Phonak Ag Procede de communication et systeme d'appareil de correction auditive
EP1615468A1 (fr) * 2005-10-12 2006-01-11 Phonak Ag Dispositif auditif ayant une MIDI compatibilité

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DE102006036582A1 (de) 2008-02-14
US8098857B2 (en) 2012-01-17
EP1885157A3 (fr) 2010-05-19
US20080107295A1 (en) 2008-05-08

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