EP1792414A1 - Device for receiving audio signals transmitted in a wireless manner - Google Patents

Device for receiving audio signals transmitted in a wireless manner

Info

Publication number
EP1792414A1
EP1792414A1 EP05789921A EP05789921A EP1792414A1 EP 1792414 A1 EP1792414 A1 EP 1792414A1 EP 05789921 A EP05789921 A EP 05789921A EP 05789921 A EP05789921 A EP 05789921A EP 1792414 A1 EP1792414 A1 EP 1792414A1
Authority
EP
European Patent Office
Prior art keywords
audio
receiving
signals
unit
receiving device
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.)
Withdrawn
Application number
EP05789921A
Other languages
German (de)
French (fr)
Inventor
Achim Gleissner
Heinrich Esser
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.)
Sennheiser Electronic GmbH and Co KG
Original Assignee
K and H Vertriebs- und Entwicklungsgesellschaft MBH
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 K and H Vertriebs- und Entwicklungsgesellschaft MBH filed Critical K and H Vertriebs- und Entwicklungsgesellschaft MBH
Publication of EP1792414A1 publication Critical patent/EP1792414A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/545—Audio/video application, e.g. interphone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones

Definitions

  • Receiving device for receiving wirelessly transmitted audio signals
  • a wired transmission is transferred to a wireless transmission. This makes it possible, for example, to avoid the tiresome laying of cables.
  • wireless transmission links or transmission systems such as wireless headphones, wireless microphones and wireless in-ear monitors are well known.
  • wireless transmission systems are known, wherein, for example, a transmitter is connected to an audio signal source and the wireless receiver can be positioned anywhere in the space. An audio processing unit can then be connected to the wireless receiver.
  • wireless audio signal transmission systems are loudspeakers with built-in radio receivers.
  • wireless transmission in such loudspeakers is a proprietary solution.
  • the wireless transmission systems mentioned above can not provide easy retrofitting and ease of operation.
  • US 2003/0179889 A1 shows a wireless adapter for speakers.
  • the adapter has a high-frequency receiver for receiving the transmitted audio information.
  • the received high-frequency audio signals are amplified by an amplifier and forwarded to an output to which a loudspeaker can be connected.
  • the power supply of the adapter via a standard power line.
  • DE 692 20 180 T2 shows an active sound reproduction device with an audio input for receiving an audio signal, a signal processing circuit for processing the audio signal and a control input for receiving control signals.
  • the active Tonwiederga ⁇ device can be controlled accordingly.
  • US 5,970,390 shows a transmitter for transmitting audio signals to an FM radio.
  • a control circuit detects an unused frequency within the FM transmission band and adjusts the frequency of the transmitter accordingly.
  • US 4,434,509 shows a portable transistor radio having a receiver and a power plug located on the housing.
  • Figure 1 shows a schematic representation of a receiver according to the first embodiment.
  • the receiver has a radio receiving unit 4, an antenna 3, an audio power amplifier unit 9, a power supply 2 and audio output terminals 7.
  • the receiver is in this case firmly connected to a plug 1, which can be inserted into commercially available sockets, to ensure a mains voltage-based power supply.
  • a loudspeaker (not shown) is connected to the audio output terminals 7 for outputting the audio signals.
  • the receiver has a volume control 5, by which the volume of the audio signal can be regulated.
  • a corresponding wireless transmitter is also provided with a power supply based on mains voltage.
  • the wireless transmission of the audio signals to the receiver can in this case take place by means of HF signals, IR signals, ultrasound or other frequencies suitable or released for wireless transmission.
  • the transmitter can be connected by means of an audio cable to the line-out interface or another suitable interface of an audio source (not shown) and transmit the corresponding audio signals wirelessly.
  • the signal transmitted wirelessly by the transmitter is received and demodulated by means of the antenna 3 and the radio receiving unit 4.
  • the demodulated audio signal is forwarded to the audio power amplifier 9 whose output signal is output at the output terminal 7. If a loudspeaker is now connected to port 7, then the amplified demodulated audio signal can be reproduced through the loudspeaker. Since the receiver is firmly connected to the plug 1, the plug and the receiver can be plugged directly into a socket, so that a corre sponding power cord can be omitted. Alternatively, however, can also be a detachable Power cable between the plug 1 and the receiver for supplying the Netz ⁇ be provided voltage.
  • the receiver may further include a switch 8.
  • the switch 8 is used in a transmission of the audio signal as a multiplexed stereo signal. By operating the switch 8, it is determined whether the left or right stereo channel is reproduced accordingly by the receiver. This means that the receiver is suitable both for receiving and for reproducing the left or right stereo channel and it is only determined by actuation of the switch 8 which channel is forwarded to the audio power amplifier 9 and thus to the external loudspeaker.
  • the switch 8 can thus be a left / right identifier of a stereo signal. This can be done for example by demultiplexing the received signal. The demultiplexed signal then represents a mono signal corresponding to the left or right channel of the stereo signal.
  • the complete stereo signal is transmitted, and by means of the switch 8 is selected whether the right or left channel is amplified and output accordingly.
  • a 5.1 surround audio signal can also be transmitted accordingly.
  • it is determined with the aid of the switch 8 which of the channels is to be amplified and output to the external loudspeaker.
  • the complete 5.1 signal is transmitted, and it is selected by means of the switch 8 which of the transmitted channels is to be amplified and output.
  • the receiver may further comprise an additional second connection 6 as a line-out output, to which further devices can be connected, so that a wireless audio transmission between the device connected to the transmitter and the device connected to the receiver can take place.
  • the receiver and the transmitter may each have a channel setting unit KEE. By means of this unit, the transmission channel can be set or selected in the transmission path. This can be done either manually or by means of a search function (Autotune).
  • all or all essential functions of the receiver can be set by means of a remote control.
  • the remote control can be implemented in the transmitter or as a separate unit.
  • the receiver according to the second embodiment no externally adjustable volume control 5, but the volume is rather varied by a corresponding operation of the remote control.
  • the remote control can be based on IR signals, ultrasonic signals, WLAN signals or Bluetooth signals.
  • the remote control can either communicate directly with the receiver or indirectly communicate with the receiver via the transmitter. If the remote communicates directly with the receiver, the receiver will have another receiver unit to receive wirelessly transmitted signals from the remote control.
  • the signal can be added to the remote signal to be transmitted to the audio signal to be transmitted or encoded in this and then transmitted wirelessly together with this. In such a case, a separate receiving part for receiving the signals of the remote control can be saved in the receiver.
  • the receiver further comprises a detection device for separating the wirelessly transmitted audio signals and the signals from the remote control.
  • the signals from the remote control can then be used to adjust the volume by means of the volume control 5, while the wirelessly transmitted audio signals as in the first Embodiment described processed and can be madege ⁇ ben to the speaker.
  • the transmitter is designed as a wireless microphone.
  • a volume control is provided by means of the volume of the output from the receiver audio signals can be adjusted.
  • the transmission of the volume signals to the receiver can be carried out as in the second embodiment by means of IR signals, Ultraschall ⁇ signals, WLAN or Bluetooth signals, which requires that the wireless microphone has a suitable transmitter and the receiver corresponding receiving units.
  • the volume signal can be coded in the audio signal recorded by the microphone or transmitted with this audio signal.
  • the receiver has a corresponding detection device in order to separate the audio signal and the volume signal from one another and to process them correspondingly according to the first exemplary embodiment.
  • the above-described wireless signal transmission between the transmitter and the receiver can be done by RF signals, IR signals, ultrasonic signals, WLAN signals or Bluetooth signals.
  • the transmission of the signals from the transmitter to the receiver can be performed on the basis of the voltage network, from which the transmitter and the receiver draw their voltage supply, ie. H. Signal transmission via Powerline.
  • the transmitter must have a corresponding transmitting unit and the receiver must have a corresponding receiving unit.

Abstract

Disclosed is a wireless transmission system comprising a transmitter and a receiver which make it possible to retrofit existing loudspeakers in such a way that a wireless audio transmission path is provided.

Description

Empfangsvorrichtung zum Empfangen drahtlos übertragener Audiosignale Receiving device for receiving wirelessly transmitted audio signals
In vielen Bereichen einer Übertragung von Daten und Signalen wird von einer kabelgebundenen Übertragung zu einer drahtlosen Übertragung übergegangen. Hierdurch lässt sich beispielsweise eine lästige Verlegung von Kabeln vermei¬ den. Insbesondere bei der Audiosignalübertragung sind drahtlose Übertragungs- strecken bzw. Übertragungssysteme wie beispielsweise drahtlose Kopfhörer, drahtlose Mikrofone sowie drahtlose In-Ear Monitore hinreichend bekannt.In many areas of transmission of data and signals, a wired transmission is transferred to a wireless transmission. This makes it possible, for example, to avoid the tiresome laying of cables. In particular, in the audio signal transmission wireless transmission links or transmission systems such as wireless headphones, wireless microphones and wireless in-ear monitors are well known.
Ferner sind drahtlose Übertragungssysteme bekannt, wobei beispielsweise ein Sender an eine Audiosignalquelle angeschlossen wird und der drahtlose Emp¬ fänger beliebig im Raum positioniert werden kann. An den drahtlosen Empfänger kann dann eine Audioverarbeitungseinheit angeschlossen werden. Ein weiteres Beispiel von drahtlosen Audiosignal-Übertragungssystemen stellen Lautsprecher mit eingebauten Funkempfängern dar. Eine drahtlose Übertragung bei derartigen Lautsprechern stellt jedoch eine proprietäre Lösung dar. ■ Die oben genannten drahtlosen Übertragungssysteme können jedoch keine einfache Nachrüstbarkeit sowie eine komfortable Bedienbarkeit gewährleisten.Furthermore, wireless transmission systems are known, wherein, for example, a transmitter is connected to an audio signal source and the wireless receiver can be positioned anywhere in the space. An audio processing unit can then be connected to the wireless receiver. Another example of wireless audio signal transmission systems are loudspeakers with built-in radio receivers. However, wireless transmission in such loudspeakers is a proprietary solution. ■ However, the wireless transmission systems mentioned above can not provide easy retrofitting and ease of operation.
US 2003/0179889 A1 zeigt einen drahtlosen Adapter für Lautsprecher. Der Adap¬ ter weist einen Hochfrequenzempfänger zum Empfangen der übertragenen Au- dioinformationen auf. Die empfangenen Hochfrequenz-Audiosignale werden durch einen Verstärker verstärkt und an einen Ausgang weitergeleitet, an wel¬ chen ein Lautsprecher angeschlossen werden kann. Die Stromversorgung des Adapters erfolgt über eine Standardnetzleitung.US 2003/0179889 A1 shows a wireless adapter for speakers. The adapter has a high-frequency receiver for receiving the transmitted audio information. The received high-frequency audio signals are amplified by an amplifier and forwarded to an output to which a loudspeaker can be connected. The power supply of the adapter via a standard power line.
DE 692 20 180 T2 zeigt eine aktive Tonwiedergabeeinrichtung mit einem Audio- eingang zum Empfangen eines Audiosignals, einer Signalverarbeitungsschaltung zum Verarbeiten des Audiosignals und einem Steuereingang zum Empfangen von Steuersignalen. Anhand einer Fembedienung kann die aktive Tonwiederga¬ beeinrichtung entsprechend gesteuert werden.DE 692 20 180 T2 shows an active sound reproduction device with an audio input for receiving an audio signal, a signal processing circuit for processing the audio signal and a control input for receiving control signals. On the basis of a remote control, the active Tonwiederga¬ device can be controlled accordingly.
US 5,970,390 zeigt einen Sender zum Übertragen von Audiosignalen an ein FM- Radio. Eine Steuerschaltung detektiert eine nicht verwendete Frequenz innerhalb des FM-Übertragungsbandes und stellt die Frequenz des Senders entsprechend ein.US 5,970,390 shows a transmitter for transmitting audio signals to an FM radio. A control circuit detects an unused frequency within the FM transmission band and adjusts the frequency of the transmitter accordingly.
US 4,434,509 zeigt ein tragbares Transistorradio mit einem Empfänger und einem an dem Gehäuse angeordneten Netzstecker.US 4,434,509 shows a portable transistor radio having a receiver and a power plug located on the housing.
Es ist somit Aufgabe der vorliegenden Erfindung, ein drahtloses Übertragungs¬ system mit Sender und Empfänger vorzusehen, welche es ermöglichen, beste¬ hende Lautsprecher derart nachzurüsten, dass eine drahtlose Audioübertra¬ gungsstrecke vorhanden ist.It is therefore the object of the present invention to provide a wireless transmission system with transmitter and receiver which makes it possible to retrofit existing loudspeakers in such a way that a wireless audio transmission path is present.
Diese Aufgabe wird durch einen Empfänger gemäß Anspruch 1 , ein drahtloses Audiosignal-Übertragungssystem nach Anspruch 10 gelöst. Figur 1 zeigt eine schematische Darstellung eines Empfängers gemäß dem ersten Ausführungsbeispiel.This object is achieved by a receiver according to claim 1, a wireless audio signal transmission system according to claim 10. Figure 1 shows a schematic representation of a receiver according to the first embodiment.
Der Empfänger weist eine Funkempfangseinheit 4, eine Antenne 3, eine Audio- Leistungsverstärkereinheit 9, eine Spannungsversorgung 2 sowie Audio- Ausgangsanschlüsse 7 auf. Der Empfänger ist hierbei fest mit einem Stecker 1 verbunden, welcher in handelsübliche Steckdosen eingeführt werden kann, um eine netzspannungsbasierende Spannungsversorgung sicher zu stellen. Vor¬ zugsweise wird ein Lautsprecher (nicht gezeigt) an die Audio- Ausgangsanschlüsse 7 zur Ausgabe der Audiosignale angeschlossen. Ferner weist der Empfänger eine Lautstärkeregler 5 auf, durch den die Lautstärke des Audiosignals geregelt werden kann.The receiver has a radio receiving unit 4, an antenna 3, an audio power amplifier unit 9, a power supply 2 and audio output terminals 7. The receiver is in this case firmly connected to a plug 1, which can be inserted into commercially available sockets, to ensure a mains voltage-based power supply. Preferably, a loudspeaker (not shown) is connected to the audio output terminals 7 for outputting the audio signals. Furthermore, the receiver has a volume control 5, by which the volume of the audio signal can be regulated.
Vorzugsweise wird ein entsprechender drahtloser Sender ebenfalls mit einer Spannungsversorgung vorgesehen, welche auf Netzspannung basiert. Die draht¬ lose Übertragung der Audiosignale zum Empfänger kann hierbei durch HF- Signale, IR-Signale, Ultraschall oder andere für die drahtlose Übertragung geeig¬ nete bzw. freigegebene Frequenzen erfolgen. Der Sender kann mittels eines Audiokabels an die Line-Out-Schnittstelle oder eine andere geeignete Schnittstel¬ le einer Audioquelle (nicht gezeigt) angeschlossen werden und die entsprechen¬ den Audiosignale drahtlos übermitteln.Preferably, a corresponding wireless transmitter is also provided with a power supply based on mains voltage. The wireless transmission of the audio signals to the receiver can in this case take place by means of HF signals, IR signals, ultrasound or other frequencies suitable or released for wireless transmission. The transmitter can be connected by means of an audio cable to the line-out interface or another suitable interface of an audio source (not shown) and transmit the corresponding audio signals wirelessly.
Die Spannungsversorgung des Empfängers erfolgt über das Netzteil 2. Das von dem Sender drahtlos übertragene Signal wird mittels der Antenne 3 und der Funkempfangseinheit 4 empfangen und demoduliert. Das demodulierte Audio¬ signal wird an den Audio-Leistungsverstärker 9 weitergegeben, dessen Aus¬ gangssignal an dem Ausgangsanschluss 7 ausgegeben wird. Wenn ein Laut- Sprecher nun an den Anschluss 7 angeschlossen wird, dann kann das verstärkte demodulierte Audiosignal durch den Lautsprecher wiedergegeben werden. Da der Empfänger fest mit dem Stecker 1 verbunden ist, kann der Stecker nebst Empfänger direkt in eine Steckdose eingesteckt werden, so dass ein entspre¬ chendes Netzkabel entfallen kann. Alternativ dazu kann jedoch auch ein lösbares Netzkabel zwischen dem Stecker 1 und dem Empfänger zum Zuführen der Netz¬ spannung vorgesehen sein.The power supply of the receiver via the power supply unit 2. The signal transmitted wirelessly by the transmitter is received and demodulated by means of the antenna 3 and the radio receiving unit 4. The demodulated audio signal is forwarded to the audio power amplifier 9 whose output signal is output at the output terminal 7. If a loudspeaker is now connected to port 7, then the amplified demodulated audio signal can be reproduced through the loudspeaker. Since the receiver is firmly connected to the plug 1, the plug and the receiver can be plugged directly into a socket, so that a corre sponding power cord can be omitted. Alternatively, however, can also be a detachable Power cable between the plug 1 and the receiver for supplying the Netz¬ be provided voltage.
Zusätzlich zu den oben beschriebenen Komponenten kann der Empfänger ferner einen Schalter 8 aufweisen. Der Schalter 8 wird bei einer Übertragung des Au- diosignals als gemultiplextes Stereosignal verwendet. Durch Betätigung des Schalters 8 wird hierbei festgelegt, ob der linke oder rechte Stereokanal entspre¬ chend von dem Empfänger wiedergegeben wird. Dies bedeutet, dass der Emp¬ fänger sowohl zum Empfang und zur Wiedergabe des linken oder rechten Ste¬ reokanals geeignet ist und nur durch Betätigung des Schalters 8 festgelegt wird, welcher Kanal an den Audio-Leistungsverstärker 9 und somit an den externen Lautsprecher weitergeleitet wird. Mittels des Schalters 8 kann somit eine Links/Rechtskennung eines Stereosignals erfolgen. Dies kann beispielsweise durch ein Demultiplexen des empfangenen Signals erfolgen. Das demultiplexte Signal stellt dann ein Monosignal dar, welches dem linken oder rechten Kanal des Stereosignals entspricht. Somit wird das komplette Stereosignal übertragen, und mittels des Schalters 8 wird ausgewählt, ob der rechte oder linke Kanal verstärkt wird und entsprechend ausgegeben wird.In addition to the components described above, the receiver may further include a switch 8. The switch 8 is used in a transmission of the audio signal as a multiplexed stereo signal. By operating the switch 8, it is determined whether the left or right stereo channel is reproduced accordingly by the receiver. This means that the receiver is suitable both for receiving and for reproducing the left or right stereo channel and it is only determined by actuation of the switch 8 which channel is forwarded to the audio power amplifier 9 and thus to the external loudspeaker. By means of the switch 8 can thus be a left / right identifier of a stereo signal. This can be done for example by demultiplexing the received signal. The demultiplexed signal then represents a mono signal corresponding to the left or right channel of the stereo signal. Thus, the complete stereo signal is transmitted, and by means of the switch 8 is selected whether the right or left channel is amplified and output accordingly.
Alternativ zur Übertragung des Stereosignals kann auch ein 5.1 -Surround Audio¬ signal entsprechend übertragen werden. In einem derartigen Fall wird mit Hilfe des Schalters 8 bestimmt, welcher der Kanäle verstärkt und an den externen Lautsprecher auszugeben ist. Hier wird ebenfalls das komplette 5.1 -Signal über¬ tragen, und es wird mittels des Schalters 8 ausgewählt, welcher der übertrage¬ nen Kanäle verstärkt und ausgegeben werden soll.As an alternative to transmitting the stereo signal, a 5.1 surround audio signal can also be transmitted accordingly. In such a case, it is determined with the aid of the switch 8 which of the channels is to be amplified and output to the external loudspeaker. Here too, the complete 5.1 signal is transmitted, and it is selected by means of the switch 8 which of the transmitted channels is to be amplified and output.
Neben dem Anschluss 7 für einen externen Lautsprecher kann der Empfänger des Weiteren einen zusätzlichen Zweitanschluss 6 als Line-Out-Ausgang aufwei¬ sen, an den weitere Geräte angeschlossen werden können, so dass eine draht¬ lose Audioübertragung zwischen dem an dem Sender angeschlossenen Gerät und dem an dem Empfänger angeschlossenen Gerät erfolgen kann. Der Empfänger und der Sender können jeweils eine Kanal-Einstelleinheit KEE aufweisen. Mittels dieser Einheit kann der Übertragungskanal in der Übertra¬ gungsstrecke eingestellt bzw. ausgewählt werden. Dies kann entweder manuell oder mittels einer Suchlauffunktion (Autotune) erfolgen.In addition to the connection 7 for an external loudspeaker, the receiver may further comprise an additional second connection 6 as a line-out output, to which further devices can be connected, so that a wireless audio transmission between the device connected to the transmitter and the device connected to the receiver can take place. The receiver and the transmitter may each have a channel setting unit KEE. By means of this unit, the transmission channel can be set or selected in the transmission path. This can be done either manually or by means of a search function (Autotune).
Gemäß einem zweiten Ausführungsbeispiel, welches auf dem ersten Ausfüh¬ rungsbeispiel aufbaut, lassen sich alle bzw. alle wesentlichen Funktionen des Empfängers mittels einer Fernbedienung einstellen. Hierbei kann die Fernbedie¬ nung in dem Sender oder als eigene Einheit implementiert werden. Dazu weist der Empfänger gemäß dem zweiten Ausführungsbeispiel keinen von außen einstellbaren Lautstärkeregler 5 auf, sondern die Lautstärke wird vielmehr durch eine entsprechende Betätigung der Fernbedienung variiert.According to a second exemplary embodiment, which is based on the first embodiment, all or all essential functions of the receiver can be set by means of a remote control. In this case, the remote control can be implemented in the transmitter or as a separate unit. For this purpose, the receiver according to the second embodiment, no externally adjustable volume control 5, but the volume is rather varied by a corresponding operation of the remote control.
Die Fernbedienung kann dabei auf IR-Signalen, Ultraschallsignalen, WLAN- Signalen oder Bluetooth-Signalen basieren. Die Fernbedienung kann dabei entweder direkt mit dem Empfänger kommunizieren oder indirekt über den Sen- der mit dem Empfänger kommunizieren. Falls die Fernbedienung direkt mit dem Empfänger kommuniziert, weist der Empfänger eine weitere Empfangseinheit zum Empfangen der drahtlos übertragenen Signale von der Fernbedienung auf. Für den Fall, dass die Fernbedienung mit dem Sender kommuniziert bzw. über den Sender mit dem Empfänger kommuniziert, kann das Signal der Fernbedie- nung zu dem zu übertragenen Audiosignal hinzugefügt werden bzw. in diesem codiert werden und dann drahtlos zusammen mit diesem übertragen werden. In einem derartigen Fall kann in dem Empfänger ein separates Empfangsteil zum Empfangen der Signale der Fernbedienung eingespart werden.The remote control can be based on IR signals, ultrasonic signals, WLAN signals or Bluetooth signals. The remote control can either communicate directly with the receiver or indirectly communicate with the receiver via the transmitter. If the remote communicates directly with the receiver, the receiver will have another receiver unit to receive wirelessly transmitted signals from the remote control. In the event that the remote control communicates with the transmitter or communicates with the receiver via the transmitter, the signal can be added to the remote signal to be transmitted to the audio signal to be transmitted or encoded in this and then transmitted wirelessly together with this. In such a case, a separate receiving part for receiving the signals of the remote control can be saved in the receiver.
Für den Fall, dass die Signale der Fernbedienung ebenfalls über den Sender an den Empfänger übertragen werden, weist der Empfänger ferner eine Detektion- seinrichtung zum Trennen der drahtlos übertragenen Audiosignale und der Signale von der Fernbedienung auf. Die Signale von der Fernbedienung können dann zur Einstellung der Lautstärke mittels des Lautstärkestellers 5 herangezo¬ gen werden, während die drahtlos übertragenen Audiosignale wie in dem ersten Ausführungsbeispiel beschrieben verarbeitet und an den Lautsprecher ausgege¬ ben werden können.In the event that the signals of the remote control are also transmitted via the transmitter to the receiver, the receiver further comprises a detection device for separating the wirelessly transmitted audio signals and the signals from the remote control. The signals from the remote control can then be used to adjust the volume by means of the volume control 5, while the wirelessly transmitted audio signals as in the first Embodiment described processed and can be ausgege¬ ben to the speaker.
Gemäß einem dritten Ausführungsbeispiel, welches auf dem zweiten Ausfüh- rungsbeispiel_ aufbaut, ist der Sender als ein drahtloses Mikrofon ausgebildet. An dem drahtlosen Mikrofon ist eine Lautstärkereglung vorgesehen, mittels der die Lautstärke der von dem Empfänger ausgegebenen Audiosignale eingestellt werden kann. Die Übertragung der Lautstärkesignale an den Empfänger kann dabei wie in dem zweiten Ausführungsbeispiel mittels IR-Signalen, Ultraschall¬ signalen, WLAN- oder Bluetooth-Signalen erfolgen, was voraussetzt, dass das drahtlose Mikrofon einen geeigneten Sender und der Empfänger entsprechende Empfangseinheiten aufweist. Alternativ dazu kann das Lautstärkesignal in dem von dem Mikrofon aufgenommen Audiosignal codiert bzw. mit diesem Audiosig¬ nal übertragen werden. In einem derartigen Fall weist der Empfänger eine ent¬ sprechende Detektionseinrichtung auf, um das Audiosignal und das Lautstärke- signal voneinander zu trennen und entsprechend gemäß dem ersten Ausfüh¬ rungsbeispiel zu verarbeiten.According to a third embodiment, which is based on the second exemplary embodiment, the transmitter is designed as a wireless microphone. On the wireless microphone, a volume control is provided by means of the volume of the output from the receiver audio signals can be adjusted. The transmission of the volume signals to the receiver can be carried out as in the second embodiment by means of IR signals, Ultraschall¬ signals, WLAN or Bluetooth signals, which requires that the wireless microphone has a suitable transmitter and the receiver corresponding receiving units. Alternatively, the volume signal can be coded in the audio signal recorded by the microphone or transmitted with this audio signal. In such a case, the receiver has a corresponding detection device in order to separate the audio signal and the volume signal from one another and to process them correspondingly according to the first exemplary embodiment.
Die oben beschriebene drahtlose Signalübertragung zwischen dem Sender und dem Empfänger kann durch HF-Signale, IR-Signale, Ultraschallsignale, WLAN- Signale oder Bluetooth-Signale erfolgen. Alternativ dazu kann die Übertragung der Signale von dem Sender zu dem Empfänger auf der Basis des Spannungs¬ netzes erfolgen, von dem der Sender und der Empfänger seine Spannungsver¬ sorgung beziehen, d. h. Signalübertragung über Powerline. In einem derartigen Fall muss der Sender eine entsprechende Sendeeinheit und der Empfänger eine korrespondierende Empfangseinheit aufweisen. The above-described wireless signal transmission between the transmitter and the receiver can be done by RF signals, IR signals, ultrasonic signals, WLAN signals or Bluetooth signals. Alternatively, the transmission of the signals from the transmitter to the receiver can be performed on the basis of the voltage network, from which the transmitter and the receiver draw their voltage supply, ie. H. Signal transmission via Powerline. In such a case, the transmitter must have a corresponding transmitting unit and the receiver must have a corresponding receiving unit.

Claims

Ansprüche claims
1. Empfangsvorrichtung zum Empfangen drahtlos übertragener Audiosignale, mit: einer Empfangseinheit (4) zum Empfangen und Decodieren drahtlos über- tragener Audiosignale, einer Audio-Verstärkereinheit (9) zum Verstärken der decodierten Audio¬ signale, einem externen Audioausgang zum Ausgeben der verstärkten Audiosigna¬ le, und einem Gehäuse mit einem daran befestigten Netzstecker (1 ), wobei die Empfangseinheit (4) und die Audio-Verstärkereinheit (9) in dem Gehäuse angeordnet sind.A receiving device for receiving wirelessly transmitted audio signals, comprising: a receiving unit (4) for receiving and decoding wirelessly transmitted audio signals, an audio amplifier unit (9) for amplifying the decoded Audio¬ signals, an external audio output for outputting the amplified Audiosigna¬ le, and a housing with an attached power plug (1), wherein the receiving unit (4) and the audio amplifier unit (9) are arranged in the housing.
2. • Empfangsvorrichtung nach Anspruch 1 , ferner mit einer Schaltereinheit (8) zum Auswählen eines Kanals aus einer Vielzahl von mit dem Audiosignal übertragenen Audiokanälen.2. • receiving apparatus according to claim 1, further comprising a switch unit (8) for selecting a channel from a plurality of transmitted audio channels with the audio signal.
3. Empfangsvorrichtung nach Anspruch 1 oder 2, ferner mit einem Lautstärkeregler (5) zum Einstellen der Lautstärke der am externen Audioausgang ausgegebenen verstärkten Audiosignale.3. A receiving apparatus according to claim 1 or 2, further comprising a volume control (5) for adjusting the volume of the output at the external audio output amplified audio signals.
4. Empfangsvorrichtung nach einem der vorherigen Ansprüche, ferner mit einem Line-Out-Ausgangsanschluss (6).4. Receiving device according to one of the preceding claims, further comprising a line-out output terminal (6).
5. Empfangsvorrichtung nach einem der vorherigen Ansprüche, ferner mit einer Kanaleinstelleinheit (KEE).5. Receiving device according to one of the preceding claims, further comprising a Kanaleinstelleinheit (KEE).
6. Empfangsvorrichtung nach Anspruch 5, wobei die Kanaleinstelleinheit (KEE) dazu ausgebildet ist, eine Suchlauffunktion zur Kanaleinstellung durchzu- führen. 6. Receiving device according to claim 5, wherein the channel setting unit (KEE) is designed to perform a search function for channel adjustment.
7. Empfangsvorrichtung zum Empfangen drahtlos übertragener Audiosignale, ferner mit einer Empfangseinheit (4) zum Empfangen und Decodieren drahtlos über¬ tragener Audiosignale, einer Ajjdio-Verstärkereinheit (9) zum Verstärken und Ausgeben der deco¬ dierten Audiosignale, einem externen Audioausgang zum Ausgeben der verstärkten Audiosigna¬ le, und einer Detektionsvorrichtung zum Erfassen der übertragenen Audiosignale und zum Trennen von in dem Audiosignal codierten weiteren Signalen.7. A receiving device for receiving wirelessly transmitted audio signals, further comprising a receiving unit (4) for receiving and decoding wireless über¬ bearer audio signals, an ajjdio amplifier unit (9) for amplifying and outputting the decoded audio signals, an external audio output for outputting the amplified Audiosigna¬ le, and a detection device for detecting the transmitted audio signals and for separating encoded in the audio signal further signals.
8. Empfangsvorrichtung nach Anspruch 7, wobei die Verstärkung der Audio¬ signale in der Audio-Verstärkereinheit (9) entsprechend der von dem Audiosignal getrennten Signalen erfolgt.8. Receiving device according to claim 7, wherein the amplification of the audio signals in the audio amplifier unit (9) takes place in accordance with the signals separated from the audio signal.
9. Empfangsvorrichtung nach Anspruch 7 oder 8, ferner mit einer Detektionsvorrichtung zum Empfangen drahtlos übertragener Steuer¬ informationen, wobei der Betrieb der Empfangsvorrichtung entsprechend der empfangenen Steuersignale gesteuert wird.9. Receiving device according to claim 7 or 8, further comprising a detection device for receiving wirelessly transmitted Steuer¬ information, wherein the operation of the receiving device is controlled according to the received control signals.
10. Empfangsvorrichtung nach einem der Ansprüche 7 bis 9, ferner mit einem Gehäuse mit einem daran befestigten Netzstecker (1 ), wobei die Empfangseinheit (4), die Audio-Verstärkereinheit (9) und die10. Receiving device according to one of claims 7 to 9, further comprising a housing with an attached power plug (1), wherein the receiving unit (4), the audio amplifier unit (9) and the
Detektionsvorrichtung in dem Gehäuse angeordnet sind.Detection device are arranged in the housing.
11. Drahtloses Audiosignal-Übertragungssystem mit einer Empfangsvorrich¬ tung nach einem der Ansprüche 1 bis 10. 11. A wireless audio signal transmission system with a Empfangsvorrich¬ device according to one of claims 1 to 10.
EP05789921A 2004-09-14 2005-09-13 Device for receiving audio signals transmitted in a wireless manner Withdrawn EP1792414A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004044924A DE102004044924A1 (en) 2004-09-14 2004-09-14 Receiving device for receiving wirelessly transmitted audio signals
PCT/EP2005/009843 WO2006029825A1 (en) 2004-09-14 2005-09-13 Device for receiving audio signals transmitted in a wireless manner

Publications (1)

Publication Number Publication Date
EP1792414A1 true EP1792414A1 (en) 2007-06-06

Family

ID=35207808

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05789921A Withdrawn EP1792414A1 (en) 2004-09-14 2005-09-13 Device for receiving audio signals transmitted in a wireless manner

Country Status (5)

Country Link
US (1) US20080101623A1 (en)
EP (1) EP1792414A1 (en)
JP (1) JP2008514046A (en)
DE (1) DE102004044924A1 (en)
WO (1) WO2006029825A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8913771B2 (en) 2009-03-04 2014-12-16 Apple Inc. Portable electronic device having a water exposure indicator label
US8654982B2 (en) 2011-04-29 2014-02-18 Smsc Holdings S.A.R.L. Reducing power consumption in sink devices by having sinks receive only left audio channel or right audio channel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998057455A1 (en) * 1997-06-09 1998-12-17 Phonex Corporation System and method for transmission of audio signals to remote locations using a power line carrier
US20030210796A1 (en) * 2002-01-25 2003-11-13 Mccarty William A. Wired, wireless, infrared, and powerline audio entertainment systems
US20040006484A1 (en) * 2001-11-13 2004-01-08 Manis Constantine N. Method and system for media content data distribution and consumption

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5062151A (en) * 1983-01-13 1991-10-29 Fisher Berkeley Corporation Communication system
US4434590A (en) * 1981-01-16 1984-03-06 Wheeler Roger B Flashing structure for geodesic dome structures
US4434509A (en) * 1982-08-24 1984-02-28 Pbs Associates Transistorized radio receiver combination with male power input and female power output connections
JPH0372057A (en) * 1989-08-11 1991-03-27 Honda Motor Co Ltd Structural member made of titanium or titanium alloy
JPH04334295A (en) * 1991-05-10 1992-11-20 Sony Corp Acoustic device
TW218062B (en) * 1991-11-12 1993-12-21 Philips Nv
JPH05276600A (en) * 1992-03-27 1993-10-22 Toshiba Corp Acoustic reproduction device
TW226510B (en) * 1993-01-19 1994-07-11 Novatel Comm Ltd Wireline interface for cellular telephone
JPH06324803A (en) * 1993-05-13 1994-11-25 Brother Ind Ltd Cordless input device
US5666422A (en) * 1994-05-18 1997-09-09 Harrison; Robert W. Remote speaker for surround-sound applications
JP3125087B2 (en) * 1994-12-01 2001-01-15 ティーオーエー株式会社 Wireless receiver and communication method using the wireless receiver
WO1997023056A1 (en) * 1995-12-19 1997-06-26 Elcom Technologies Corporation Power line audio system
JPH1070472A (en) * 1996-08-27 1998-03-10 Toyo Commun Equip Co Ltd Wireless microphone system
DE19654837A1 (en) * 1996-12-23 1998-06-25 Jochen Fechner Bus system for electrical apparatus in supply system
JP4009789B2 (en) * 1997-10-09 2007-11-21 ソニー株式会社 Transmitter
US6606280B1 (en) * 1999-02-22 2003-08-12 Hewlett-Packard Development Company Voice-operated remote control
US20020154787A1 (en) * 2001-02-20 2002-10-24 Rice Richard F. Acoustical to optical converter for providing pleasing visual displays
US7095866B1 (en) * 2001-07-11 2006-08-22 Akoo, Inc. Wireless 900 MHz broadcast link
JP2003244076A (en) * 2002-02-14 2003-08-29 Victor Co Of Japan Ltd Optical wireless microphone system
US6782239B2 (en) * 2002-06-21 2004-08-24 Neuros Audio L.L.C. Wireless output input device player
GB2402007B (en) * 2003-05-17 2006-02-22 Zarlink Semiconductor Ltd Digital television broadcast receiver
US20030179889A1 (en) * 2003-06-05 2003-09-25 Daniel Pivinski [Wireless Adapter for Wired Speakers]
US20050015805A1 (en) * 2003-07-17 2005-01-20 Sony Corporation Power line home network
US7483538B2 (en) * 2004-03-02 2009-01-27 Ksc Industries, Inc. Wireless and wired speaker hub for a home theater system
US7792106B2 (en) * 2004-06-08 2010-09-07 Sony Corporation Audio/video network interface

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998057455A1 (en) * 1997-06-09 1998-12-17 Phonex Corporation System and method for transmission of audio signals to remote locations using a power line carrier
US20040006484A1 (en) * 2001-11-13 2004-01-08 Manis Constantine N. Method and system for media content data distribution and consumption
US20030210796A1 (en) * 2002-01-25 2003-11-13 Mccarty William A. Wired, wireless, infrared, and powerline audio entertainment systems

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006029825A1 *

Also Published As

Publication number Publication date
DE102004044924A1 (en) 2006-04-06
WO2006029825A1 (en) 2006-03-23
JP2008514046A (en) 2008-05-01
US20080101623A1 (en) 2008-05-01

Similar Documents

Publication Publication Date Title
EP1619929B2 (en) Hearing aid system as well as method to operate a hearing aid system during audio reception
DE69838989T2 (en) BINAURAL DIGITAL HEARING AID SYSTEM
EP1377118B1 (en) Hearing aid system with hearing aid and external processing unit
DE102007046437B4 (en) Fully automatic switching on / off for hearing aids
DE102006049213A1 (en) Hearing system with remote control as base station and corresponding communication method
DE4030121C2 (en) Multi-channel audio player
EP2104377A2 (en) Hearing system with subband signal interchange and corresponding method
DE102015201945A1 (en) Hearing device for binaural supply and method of operation
DE10356092B4 (en) Hearing aid with wireless transmission system
EP1304018A2 (en) Method for the transmission of audio signals
EP1792414A1 (en) Device for receiving audio signals transmitted in a wireless manner
DE10200796A1 (en) Accessory for hearing aid is short-range data radio receiver, especially Bluetooth receiver, whose output can be connected to audio connection of hearing aid
DE10040660A1 (en) Multifunction hearing aid for use with external three-dimensional sound sources has at least two receiving units and mixes received signals
DE10063556A1 (en) Radio broadcasting receiver has control unit that switches to first or second operation mode based on monostereo recognizer that determines if output device is monoaudio output device or stereo audio device
DE10245556B3 (en) Hearing aid or hearing aid system with a clock generator and method for their operation
DE3006271C2 (en) Integrated audio signal circuit in a television receiver
DE2917078C2 (en)
DE19544546A1 (en) Hearing aid with microphone and signal processor
DE19741595C2 (en) Method for wireless transmission of audio signals, audio device and sound reproduction device
EP1282336B1 (en) Method of operating a wireless audio system with dynamic channel assignment
EP1720376B1 (en) Hearing-aid system with generation of monophonic signal and corresponding method
DE102010026378A1 (en) Communication module for hearing instrument i.e. behind-the-ear hearing aid, for wireless transmission and receiving of digital data, has transceiver transmitting or receiving data that is transmitted through inductive transmission unit
DE102006059138B4 (en) Hearing aid and / or hearing protection device with an audio input
WO1996003848A1 (en) Hearing aid
EP0828404A2 (en) Hearing aid and control device for programming the hearing aid

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20070416

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20090310

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SENNHEISER ELECTRONIC GMBH & CO. KG

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20120303