Telecommunication device, telecommunication system, method for operating a telecommunication device, and computer program

A method for operating a telecommunication device, comprising:

• receiving an audio signal;
• transmitting the audio signal to a further telecommunication device;
• and
• outputting a signaling when there is a concern that the audio signal is acoustically understandable for third parties or represents a disturbance for third parties;
• wherein a speech understandability of a speech signal generated by a user of the telecommunication device is determined or estimated for a third party who is located in a surrounding area of the telecommunication device, and wherein the signaling is output depending thereon;
• wherein an acoustic environment of the telecommunication device is considered in determining or calculating the speech understandability;
• wherein a disturbing noise frequency content and/or a disturbing noise modulation and/or a disturbing noise noisiness and/or a reverberation time is considered in determining or calculating the speech understandability;
• and
• wherein the disturbing noise noisiness describes whether the disturbing noise is more noise-like or more tonal.

A non-transitory digital storage medium having a computer program stored thereon to perform the method for operating a telecommunication device, comprising:

• receiving an audio signal;
• transmitting the audio signal to a further telecommunication device;
• and
• outputting a signaling when there is a concern that the audio signal is acoustically understandable for third parties or represents a disturbance for third parties;
• wherein a speech understandability of a speech signal generated by a user of the telecommunication device is determined or estimated for a third party who is located in a surrounding area of the telecommunication device, and wherein the signaling is output depending thereon;
• wherein an acoustic environment of the telecommunication device is considered in determining or calculating the speech understandability;
• wherein a disturbing noise frequency content and/or a disturbing noise modulation and/or a disturbing noise noisiness and/or a reverberation time is considered in determining or calculating the speech understandability;
• wherein the disturbing noise noisiness describes whether the disturbing noise is more noise-like or more tonal,
• when said computer program is run by a computer.

A telecommunication device, comprising:

• an audio signal transmission unit configured to receive an audio signal and to transmit the same to a further telecommunication device;
• and
• a signaling unit configured to output a signaling when there is a concern that the audio signal is acoustically understandable for third parties or represents a disturbance for third parties;
• wherein the signaling unit is configured to determine or estimate a speech understandability of a speech signal generated by a user of the telecommunication device for a third party who is located in a surrounding area of the telecommunication device, and wherein the signaling unit is configured to output the signaling depending thereon;
• wherein the signaling unit is configured to consider an acoustic environment of the telecommunication device in determining or calculating the speech understandability;
• wherein the signaling unit is configured to consider a disturbing noise frequency content in determining or calculating the speech understandability.

A telecommunication device, comprising:

• an audio signal transmission unit configured to receive an audio signal and to transmit the same to a further telecommunication device;
• and
• a signaling unit configured to output a signaling when there is a concern that the audio signal is acoustically understandable for third parties or represents a disturbance for third parties;
• wherein the signaling unit is configured to determine or estimate a speech understandability of a speech signal generated by a user of the telecommunication device for a third party who is located in a surrounding area of the telecommunication device, and wherein the signaling unit is configured to output the signaling depending thereon;
• wherein the signaling unit is configured to consider an acoustic environment of the telecommunication device in determining or calculating the speech understandability;
• wherein the signaling unit is configured to consider a disturbing noise modulation in determining or calculating the speech understandability.

A telecommunication device, comprising:

• an audio signal transmission unit configured to receive an audio signal and to transmit the same to a further telecommunication device;
• and
• a signaling unit configured to output a signaling when there is a concern that the audio signal is acoustically understandable for third parties or represents a disturbance for third parties;
• wherein the signaling unit is configured to determine or estimate a speech understandability of a speech signal generated by a user of the telecommunication device for a third party who is located in a surrounding area of the telecommunication device, and wherein the signaling unit is configured to output the signaling depending thereon;
• wherein the signaling unit is configured to consider an acoustic environment of the telecommunication device in determining or calculating the speech understandability;
• wherein the signaling unit is configured to consider a disturbing noise noisiness in determining or calculating the speech understandability;
• wherein the disturbing noise noisiness describes whether the disturbing noise is more noise-like or more tonal.

A telecommunication device, comprising:

• an audio signal transmission unit configured to receive an audio signal and to transmit the same to a further telecommunication device;
• and
• a signaling unit configured to output a signaling when there is a concern that the audio signal is acoustically understandable for third parties or represents a disturbance for third parties;
• wherein the signaling unit is configured to determine or estimate a speech understandability of a speech signal generated by a user of the telecommunication device for a third party who is located in a surrounding area of the telecommunication device, and wherein the signaling unit is configured to output the signaling depending thereon;
• wherein the signaling unit is configured to consider an acoustic environment of the telecommunication device in determining or calculating the speech understandability;
• wherein the signaling unit is configured to consider a disturbing noise frequency content and/or a disturbing noise modulation and/or a disturbing noise noisiness and/or a reverberation time in determining or calculating the speech understandability;
• wherein the signaling unit is configured to determine or estimate whether there is a concern that the audio signal is understandable for a third party who is located in a surrounding area of the telecommunication device, but who is at a larger than specified distance to the telecommunication device.

A telecommunication device, comprising:

• an audio signal transmission unit configured to receive an audio signal and to transmit the same to a further telecommunication device;
• and
• a signaling unit configured to output a signaling when there is a concern that the audio signal is acoustically understandable for third parties or represents a disturbance for third parties;
• wherein the signaling unit is configured to determine or estimate a speech understandability of a speech signal generated by a user of the telecommunication device for a third party who is located in a surrounding area of the telecommunication device, and wherein the signaling unit is configured to output the signaling depending thereon;
• wherein the signaling unit is configured to consider an acoustic environment of the telecommunication device in determining or calculating the speech understandability;
• wherein the signaling unit is configured to consider a disturbing noise frequency content and/or a disturbing noise modulation and/or a disturbing noise noisiness and/or a reverberation time in determining or calculating the speech understandability;
• wherein the telecommunication device is configured to receive from the further telecommunication device a signal indicating whether there is a concern that the audio signal, after being output by a sound transducer of the further telecommunication device, is acoustically understandable for a third party who is located in a surrounding area of the further telecommunication device and who differs from a user of the further telecommunication device.

A telecommunication device, comprising:

• an audio signal transmission unit configured to receive an audio signal and to transmit the same to a further telecommunication device;
• and
• a signaling unit configured to output a signaling when there is a concern that the audio signal is acoustically understandable for third parties or represents a disturbance for third parties;
• wherein the signaling unit is configured to determine or estimate a speech understandability of a speech signal generated by a user of the telecommunication device for a third party who is located in a surrounding area of the telecommunication device, and wherein the signaling unit is configured to output the signaling depending thereon;
• wherein the signaling unit is configured to consider an acoustic environment of the telecommunication device in determining or calculating the speech understandability;
• wherein the signaling unit is configured to consider a disturbing noise frequency content and/or a disturbing noise modulation and/or a disturbing noise noisiness and/or a reverberation time in determining or calculating the speech understandability;
• wherein the signaling unit is configured to determine and output information about a size of an area in which there is a concern that the audio signal is acoustically understandable for third parties.

A telecommunication device, comprising:

• an audio signal transmission unit configured to receive an audio signal and to transmit the same to a further telecommunication device;
• and
• a signaling unit configured to output a signaling when there is a concern that the audio signal is acoustically understandable for third parties or represents a disturbance for third parties;
• wherein the signaling unit is configured to determine or estimate a speech understandability of a speech signal generated by a user of the telecommunication device for a third party who is located in a surrounding area of the telecommunication device, and wherein the signaling unit is configured to output the signaling depending thereon;
• wherein the signaling unit is configured to consider an acoustic environment of the telecommunication device in determining or calculating the speech understandability;
• wherein the signaling unit is configured to consider a disturbing noise frequency content and/or a disturbing noise modulation and/or a disturbing noise noisiness and/or a reverberation time in determining or calculating the speech understandability;
• wherein the telecommunication device is configured to receive a disturbance signaling from a third-party device that differs from the further telecommunication device, and wherein the signaling unit is configured to trigger an evaluation as to whether there is a concern that the audio signal is acoustically understandable for third parties or represents a disturbance for third parties depending on the disturbance signaling, or to consider the disturbance signaling in the evaluation.