Abstract: A headphone having a first and a second ear pad each having a housing, a peripherally extending ear cushion, and a first electroacoustic reproduction transducer that emits sound outwardly, which is arranged in or on the housing of the ear pad. At least one second reproduction transducer emits sound toward a user's ear. In a first operating position, the ear pads are placed with the ear cushion on or around an ear. In a second operating position, the ear cushions of the first and second ear pads bear against each other so that provided therebetween is a closed volume that serves as a resonance chamber for the two first electroacoustic reproduction transducers when the two electroacoustic reproduction transducers are activated in the second operating position.

Abstract: A headphone having a first and a second ear pad each having a housing, a peripherally extending ear cushion, and a first electroacoustic reproduction transducer that emits sound outwardly, which is arranged in or on the housing of the ear pad. At least one second reproduction transducer emits sound toward a user's ear. In a first operating position, the ear pads are placed with the ear cushion on or around an ear. In a second operating position, the ear cushions of the first and second ear pads bear against each other so that provided therebetween is a closed volume that serves as a resonance chamber for the two first electroacoustic reproduction transducers when the two electroacoustic reproduction transducers are activated in the second operating position. Reproduction into the free field outwardly with a good quality can be effected by the provision of the internal volume as a resonance chamber.

Abstract: A plug-in socket for coupling to a corresponding standard plug and for connection of an electrical terminal device to a primary voltage. The plug-in socket improves the use of mains units with voltage converters. The plug-in socket comprises a socket housing, a first electrical contact arranged in the socket housing for coupling to a corresponding standard plug electrical contact, a voltage converter integrated in the socket housing and converting a primary voltage into at least one secondary voltage for the electrical terminal device, a second electrical contact arranged on the socket housing for electrical contacting of the secondary voltage, wherein the voltage converter is integrated in the socket housing so that the external dimensions of the socket housing are substantially predetermined by the dimensions of the corresponding standard plug.

Abstract: Thus there is provided an earphone or headset comprising a housing, an internal microphone, an external microphone and a signal processing unit. The signal processing unit is connected to the internal microphone and the external microphone. The signal processing unit serves for signal processing of an audio signal of the external microphone and for adding the signal-processed audio signal to an audio signal from the internal microphone. The signal processing unit is adapted to perform band pass limitation of the audio signal of the external microphone and to output the added signal as an output signal.

Abstract: A microphone system is provided. The microphone system comprises at least one hand-held microphone and a base station. Audio signals detected by the hand-held microphone are forwarded to the base station. The hand-held microphone comprises a motion detection unit for detecting a motion or a gesture of a hand-held microphone. A control signal generating unit generates control signals based on the detected motion or gesture of the hand-held microphone. The hand-held microphone is adapted to forward the detected motion or gesture or the control signals to the base station. The output audio signal of the hand-held microphone can be manipulated based on the control signals. The hand-held microphone comprises an activation unit for activating or deactivating the motion detection unit or for activating or deactivating the transmission of the control signals.

Abstract: There is provided a loudspeaker device comprising at least one loudspeaker (L1, L2) for the playback of audio signals and at least one microphone (M1, M2) for recording ambient noises. The loudspeaker unit further has an audio input (D1) for receiving audio signals to be played back and a signal processing unit (DSP) for controlling the playback of the audio signals to be played back by the at least one loudspeaker (L1, L2) in dependence on the ambient noise recorded by the at least one microphone (M1, M2).

Abstract: There is provided a loudspeaker system having a loudspeaker unit with at least one electroacoustic transducer and a mounting holder. The mounting holder has a first end and a second end, wherein the first end can be fixed to a fixed mounting location. The second end of the mounting holder is in the form of a mounting plate in substantially perpendicular relationship to the mounting holder. The loudspeaker unit has a fixing unit. The mounting plate and the fixing unit are respectively of such a design configuration that the fixing unit can be pushed onto the mounting plate for mechanical mounting of the loudspeaker unit. The first electrical contacting means on the mounting plate and the second electrical contacting means on the fixing unit are arranged in such a way that the first and second electrical contacting means ensure an electrical contact when the fixing unit of the loudspeaker unit is pushed onto the mounting plate of the mounting holder.

Abstract: The invention concerns mains units for voltage conversion for electronic terminal devices. The invention concerns in particular a plug-in socket for coupling to corresponding standard plugs and for connecting an electrical terminal device to a voltage supply. The invention also concerns means for voltage conversion for a plug-in socket. The object of the invention is to improve the use of mains units with voltage conversion means, in comparison with the state of the art.

Abstract: The invention is directed to a wireless transmission system with a transmitter and receiver which makes it possible to retrofit existing loudspeakers in such a way that a wireless audio transmission path is provided.

Abstract: There is proposed a conference speech station for a conference system, which has an audio unit for changing audio signals into first signals, a signal processing unit further converts the first signals into second signals and an interface sends the second signals to an external network unit. A conference speech station of that kind is found to be advantageous insofar as it is less expensive to produce and also is of a simpler configuration as it does not have any network unit which is employed for communication with the conference network.

Abstract: The invention is based on the idea of separating the microphone unit and the wireless transmitter device from wireless microphones and to connect the wireless transmitter device to a microphone stand. Accordingly, a microphone stand comprises a first XLR audio connection for accommodating a microphone and also a second XLR audio connection for accommodating a wireless transmitter device, the first and second audio connections being electrically connected.

Abstract: A headset is provided which comprises a first microphone unit for picking up air-borne noise, a second microphone unit for picking up audio signals based on solid-borne noise and an addition unit for combining the output signals of the first and second microphone units.

Abstract: Headphones, and also wireless and wire-bound headphones, have been known for a long time. The disadvantage of wire-bound headphones is that the user cannot move or can move very little when he is using these headphones. The disadvantage of wireless headphones is often the fact that they usually take up a large volume and are heavy and, furthermore, cannot be used for many applications. The object of the present invention is to remove these above-mentioned disadvantages. The receive section of headphones of the “wireless type” for receiving sound signal data transmitted in wireless manner, characterized in that the receive section can be detachably connected to the wireless headphones by a plug-in connection, the plug-in connection preferably being designed so that a plug of commercially available, wire-bound headphones can be inserted into the plug part of the receive section.

Abstract: The invention is based on the idea of separating the microphone unit and the wireless transmitter device from wireless microphones and to connect the wireless transmitter device to a microphone stand. Accordingly, a microphone stand comprises a first XLR audio connection for accommodating a microphone and also a second XLR audio connection for accommodating a wireless transmitter device, the first and second audio connections being electrically connected.

Abstract: The invention relates to an audio data recorder. The invention is based on the problem that built-in microphones of the type above-mentioned do not ensure adequate sound quality and that, on the other hand, additional microphones connected by cable are only inadequately suitable in practice as the recording appliance and the microphone unit are often not precisely tuned to one another. In the solution according to the invention the microphone or the microphone unit and the recording appliance (audio data recorder) are connected to one another via a plug connection not only electrically, but also mechanically rigidly, wherein they may preferably be separable without additional tools.