Abstract:
A mobile conference system including a first mobile master hands-free unit and a second mobile slave hands-free unit, each having a microphone, a loudspeaker, a battery unit, an operating unit, a lighting unit, and a first transmitting/receiving unit for bidirectional wireless communication between the first and second mobile hands-free units. The first mobile hands-free unit includes a second transmitting/receiving unit for wireless bidirectional audio communication with an external unit. The first mobile hands-free unit is configured to wirelessly transmit audio signals received from the external unit via the second transmitting/receiving unit to the second mobile hands-free unit via the first transmitting/receiving unit, to mix audio signals received from the second mobile hands-free unit via the first transmitting/receiving unit with audio signals recorded via the at least one microphone of the first hands-free unit, and to wirelessly transmit said audio signals to the external unit via the second transmitting/receiving unit.
Abstract:
The present invention relates to a communication system for communication of a plurality of stereo audio signals between a plurality of communication devices, wherein the plurality of communication devices comprises a first communication device, a second communication device and at least a third communication device. Each communication device of the plurality of communication devices may comprise a signal processing unit, an audio interface configured to receive a local voice signal of a user of the communication device, a binaural rendering unit configured to render the local voice signal into a stereo local voice signal based on a first spatial information, an input communication interface configured to receive a first stereo audio signal and a second stereo audio signal of the plurality of stereo audio signals transmitted by the second communication device and the third communication device, respectively. The first stereo audio signal may comprise a second voice signal of a second user of the second communication device, and the second voice signal may include a second spatial information, and wherein the second stereo audio signal may comprise a third voice signal of a third user of the third communication device, and where the third voice signal may include a third spatial information. Furthermore, the communication device may comprise an output communication interface configured to transmit a third stereo audio signal of the plurality of stereo audio signals comprising the local voice signal provided with the first spatial information to the second communication device and the third communication device. The first stereo audio signal and the second stereo audio signal may be transmitted to the audio interface, and the user of the communication device experiences a virtual sound environment, wherein the second voice signal and the third voice signal is positioned in the virtual sound environment based on the second spatial information and the third spatial information, respectively.
Abstract:
The invention relates to a headset comprising at least one headband and at least one earpiece, the headband comprising a headband structure, wherein the headband structure is divided in at least one soft, flexible section and at least one stiff, non-flexible section, at least one sliding spring element, at least one handle element attached to the at least one sliding spring element and at least one guiding element, guiding the relative movement between the headband structure and the at least one sliding spring element.
Abstract:
A communication system for communicating a plurality of audio signals between a plurality of control devices, wherein the plurality of control devices comprises at least a subsequent control device and at least a preceding control device. Each control device of the plurality of control devices comprises; an audio port configured to receive a local voice signal of a user of the control device, wherein the local voice signal may be extended into a first local voice signal and a second local voice signal. Additionally, the control device comprises a primary audio input port configured to receive a first audio signal of the plurality of audio signals transmitted by the subsequent control device, wherein the first audio signal comprises a second voice signal of a second user of the subsequent control device, and a secondary audio input port configured to receive a second audio signal of the plurality of audio signals transmitted by the preceding control device, wherein the second audio signal comprises a third voice signal of a third user of the preceding control device. Furthermore, the control device comprises a primary audio output port configured to transmit a third audio signal of the plurality of audio signals comprising the first local voice signal and the second audio signal to the subsequent control device, and a secondary audio output port configured to transmit a fourth audio signal of the plurality of audio signals comprising the second local voice signal and the first audio signal to the preceding control device. Additionally, the control device comprises an internal audio mixer configured to mix the first audio signal and the second audio signal into an internal audio signal, and wherein the primary audio input port and the primary audio output port of the control device may be coupled to the secondary audio output port and the secondary audio input port of the subsequent control device, respectively, and wherein the secondary audio input port and the secondary audio output port of the control device may be coupled to the primary audio output port and the primary audio input port of the preceding control device, respectively, and wherein the control device comprises a first volume controller configured to control the sound level of the first local voice signal and the second local voice signal and a second volume controller configured to control the sound level of the internal audio signal and transmit the internal audio signal to the audio port.
Abstract:
A communication system for authenticate a second communication device to a first communication device, wherein the communication system comprises a physical connection between a first communication device and a second communication device, where a first message may be transmitted from the first communication device, via the physical connection, to the second communication device. Furthermore, the communication system comprises a non-physical connection between the first communication device and the second communication device, where a second message may be transmitted from the first communication device, via the non-physical connection, to the second communication device, and wherein the second communication device may be configured to evaluate the first message and the second message based on a matching criteria, and if the evaluation of the first message and the second message fulfills the matching criteria then the second communication device may be configured to transmit an acceptance to the first communication device.
Abstract:
A base station and wireless headset where the headset is powered by a contained rechargeable battery and where the base station has a cradle with charging output contact points and the headset has a cradle-neck with charging input contact points. The base station in a surface region at the cradle includes a first surface mounted magnetic means displaying a first magnetic polarization and a second surface mounted magnetic means adjacent thereto and displaying a second magnetic polarization which is opposite the first magnetic polarization. The headset at a corresponding surface region at the cradle neck includes at least a further surface mounted magnetic means displaying only one of the first or the second polarization so as to ensure attraction forces and repulsion forces respectively between this further magnetic means and the two magnetic means at the bases station cradle.
Abstract:
A microphone boom is provided with extendable microphone arrays, and a headset having such a microphone boom. The headset comprise a casing accommodating the signal transmission circuitry and further comprises a speaker adapted to serve a sound signal at the proximity of a users ear and the speaker is protruding from the casing at a speaker-end of the casing and one microphone array is fixated relative to the casing distally with respect to the speaker-end.
Abstract:
An audio processing device comprises a multitude of electric input signals, each electric input signal being provided in a digitized form, and a control unit receiving said digitized electric input signals and providing a resulting enhanced signal. The control unit is configured to determine the resulting enhanced signal from said digitized electric input signals, or signals derived therefrom, according to a predefined scheme.
Abstract:
An ear appliance is provided which comprises a headphone having a cup which is coupled to soft padding, and a protector which is adapted to cover the soft padding and at least a part of the cup. The protector comprise at least one material layer with a compound in said layer having a phase change ability said compound being adapted to change phase at a predetermined temperature range.