Abstract: An exemplary method comprises a first hearing device receiving a data packet transmitted from a source device; incrementing, in response to receiving the data packet, a first payload counter value; receiving a second payload counter value transmitted from a second hearing device; comparing the second payload counter value to the first payload counter value; and performing, based on the comparing, an action with respect to the first payload counter value.

Abstract: An illustrative method is disclosed for determining potential partner devices for a hearing device worn by a user, wherein the hearing device is adapted for establishing a data communication connection with other devices with a data communication interface and for receiving an audio data stream from the other devices via the data communication interface. The method includes generating context data from sensor data recorded by the hearing device; inputting the context data into a machine learning algorithm, which has been trained with historical context data to classify potential partner devices; and outputting at least one classification by the machine learning algorithm, the classification classifying the potential partner devices and indicating whether the user expects a data communication connection with the potential partner devices.

Abstract: Provided is a method for operating two hearing devices. The method includes establishing a first bi-directional wireless connection between a primary hearing device and a wireless communication device over a first wireless link, eavesdropping on the first wireless link, by a secondary hearing device, over a second wireless link between the wireless communication device and the secondary hearing device, and establishing a second bi-directional wireless connection between the primary hearing device and the secondary hearing device over a third wireless link. The method further includes monitoring the link quality of the first wireless link and/or the second wireless link, and assigning to either the secondary hearing device or the primary hearing device the role of transmitting audio-related packets towards the wireless communication device, based on the quality of at least one of the first wireless link or the second wireless link. An audio communication system is also provided.

Abstract: A hearing device includes a processor and a wireless transceiver operatively connected with the processor and configured to connect via a wireless link with a remote device and to exchange bi-directional audio packets with the remote device. The transmit power of the remote device is larger than the transmit power of the hearing device. The processor is configured to estimate the audio link packet error rate of the transmission via the wireless link, and generate a notification when the audio link packet error rate exceeds a pre-determined threshold.

Abstract: Provided is a method for operating two hearing devices. The method includes establishing a first bi-directional wireless connection between a primary hearing device and a wireless communication device over a first wireless link, eavesdropping on the first wireless link, by a secondary hearing device, over a second wireless link between the wireless communication device and the secondary hearing device, and establishing a second bi-directional wireless connection between the primary hearing device and the secondary hearing device over a third wireless link. The method further includes monitoring the link quality of the first wireless link and/or the second wireless link, and assigning to either the secondary hearing device or the primary hearing device the role of transmitting audio-related packets towards the wireless communication device, based on the quality of at least one of the first wireless link or the second wireless link. An audio communication system is also provided.

Abstract: Provided is an audio transmission method between at least two audio communication systems including a transmitting audio communication system with first and second audio transmitting devices and a receiving audio communication system with at least one audio receiving device. The method includes transmitting a first wireless audio stream, via a first wireless audio link, by the first audio transmitting device and a second wireless audio stream, via a second wireless audio link, by the second audio transmitting device; and selecting, by the at least one audio receiving device, one of the first wireless audio stream or the second wireless audio stream based on quality parameters of the first audio link and the second wireless audio link.

Abstract: There is provided a communication device having a wireless interface (20) including a transceiver (28) and a controller (38) configured to use the transceiver when applying a first protocol, which is a Bluetooth BR/EDR protocol, and also when applying a second protocol, which is suitable for audio streaming, and to use the transceiver for a Bluetooth BR/EDR inquiry scan and/or page scan procedure for data packets sent by an external device (40), wherein the scan procedure comprises a set of N scan segments during which the transceiver is used for inquiry/page scanning, each scan segment having a start time and a frequency, wherein each scan segment is executed during idle times of the second protocol; wherein the duration of each scan segment is at least 1,0055 ms and less than 10.625 ms; wherein the set of scan segments comprises at least two different frequencies and wherein the frequency changes more often than every 1.28 sec.

Abstract: There is provided an audio transmission method, comprising: wirelessly connecting an audio receiver device to a first audio streaming device; transmitting a first audio stream from the first audio streaming device using a first protocol to the audio receiver device, wherein at least one audio data packet is transmitted in each frame in at least one audio packet slot; and scanning, by the audio receiver device, while receiving the first audio stream from the first audio streaming device, during at least one scan window (S) for frequency hopping synchronization (FHS) packets (F) transmitted from a second audio streaming device in a second audio stream using a second protocol. The scanning activity enables reception of at least one audio packet per frame of the first audio stream by preventing collision of the at least one scan window with at least one audio packet slot (A) per frame (R).

Abstract: A method for selecting audio input from a microphone of a hearing device or a microphone of a mobile device comprising: detecting proximity between the hearing device and the mobile device. If proximity between the hearing device and the mobile device is detected, receiving an audio input with the microphone of the mobile device and generating a mobile device audio signal from the audio input; transmitting the mobile device audio signal from the mobile device into a communication network. If proximity between the hearing device and the mobile device is not detected, the method comprises: receiving an audio input with the microphone of the hearing device and generating the hearing device audio signal from the audio input with the hearing device; transmitting the hearing device audio signal from the hearing device to the mobile device; transmitting the hearing device audio signal from the mobile device into a communication network.

Abstract: There is provided an audio transmission system, comprising a plurality of audio transmission units including at least a first audio transmission unit and a second audio transmission unit and at least one audio receiver unit, wherein the first audio transmission unit and the at least one audio receiver unit are configured to establish a first wireless link for transmitting audio data from the first audio transmission unit to the audio receiver unit, the first audio transmission unit and the second audio transmission unit are configured to establish a second wireless link for transmitting a link parameter set from the first audio transmission unit to the second audio transmission unit, the link parameter set allowing the second audio transmission unit to impersonate the first audio transmission unit for transmitting audio data from the second audio transmission unit via the first wireless link to the audio receiver device.

Abstract: There is provided a communication device having a wireless interface (20) including a transceiver (28) and a controller (38) configured to use the transceiver when applying a first protocol, which is a Bluetooth BR/EDR protocol, and also when applying a second protocol, which is suitable for audio streaming, and to use the transceiver for a Bluetooth BR/EDR inquiry scan and/or page scan procedure for data packets sent by an external device (40), wherein the scan procedure comprises a set of N scan segments during which the transceiver is used for inquiry/page scanning, each scan segment having a start time and a frequency, wherein each scan segment is executed during idle times of the second protocol; wherein the duration of each scan segment is at least 1,0055 ms and less than 10.625 ms; wherein the set of scan segments comprises at least two different frequencies and wherein the frequency changes more often than every 1.28 sec.

Abstract: A method for selecting audio input from a microphone of a hearing device or a microphone of a mobile device comprising: detecting proximity between the hearing device and the mobile device. If proximity between the hearing device and the mobile device is detected, receiving an audio input with the microphone of the mobile device and generating a mobile device audio signal from the audio input; transmitting the mobile device audio signal from the mobile device into a communication network. If proximity between the hearing device and the mobile device is not detected, the method comprises: receiving an audio input with the microphone of the hearing device and generating the hearing device audio signal from the audio input with the hearing device; transmitting the hearing device audio signal from the hearing device to the mobile device; transmitting the hearing device audio signal from the mobile device into a communication network.

Abstract: Systems, methods and software for sample rate conversion with unknown input and output clocks are disclosed. In one embodiment, a method for an asynchronous transfer of audio data includes: receiving the audio data by an antenna of a receiver (RX); storing the audio data in an input buffer of the RX; and receiving data words from the input buffer by a sample rate converter (SRC). The consecutive data words are received from the input buffer at an adjustable period T. The method further includes tracking a filling level of the input buffer; and based on the filling level of the input buffer, adjusting the adjustable period T. When the filling level of the input buffer is below the target level of the input buffer, the adjustable period T is increased. When the filling level of the input buffer is above the target level of the input buffer, the adjustable period T is decreased.

Abstract: Systems, methods and software for sample rate conversion with unknown input and output clocks are disclosed. In one embodiment, a method for an asynchronous transfer of audio data includes: receiving the audio data by an antenna of a receiver (RX); storing the audio data in an input buffer of the RX; and receiving data words from the input buffer by a sample rate converter (SRC). The consecutive data words are received from the input buffer at an adjustable period T. The method further includes tracking a filling level of the input buffer; and based on the filling level of the input buffer, adjusting the adjustable period T. When the filling level of the input buffer is below the target level of the input buffer, the adjustable period T is increased. When the filling level of the input buffer is above the target level of the input buffer, the adjustable period T is decreased.

Abstract: There is provided a method of fitting a hearing assistance device (10, 11) by using a fitting station (40), the hearing assistance device and the fitting station both having a wireless communication interface (20), comprising: generating, separately from the hearing assistance device and the fitting station, a production key, distributing the production key to both the fitting station and the hearing assistance device, and storing the production key on both the fitting station and the hearing assistance device; initiating, via the fitting station, a connection with the hearing assistance device, with the hearing assistance device accepting the connection in order to establish a non-encrypted connection between the fitting station and the hearing assistance device via the wireless communication interfaces; determining, by the fitting station, whether the fitting station has been previously paired with the hearing assistance device, and, if the fitting station has not already been paired with the hearing assist

Abstract: There is provided an audio transmission system, comprising a plurality of audio transmission units including at least a first audio transmission unit and a second audio transmission unit and at least one audio receiver unit, wherein the first audio transmission unit and the at least one audio receiver unit are configured to establish a first wireless link for transmitting audio data from the first audio transmission unit to the audio receiver unit, the first audio transmission unit and the second audio transmission unit are configured to establish a second wireless link for transmitting a link parameter set from the first audio transmission unit to the second audio transmission unit, the link parameter set allowing the second audio transmission unit to impersonate the first audio transmission unit for transmitting audio data from the second audio transmission unit via the first wireless link to the audio receiver device.

Abstract: There is provided a method of fitting a hearing assistance device (10, 11) by using a fitting station (40), the hearing assistance device and the fitting station both having a wireless communication interface (20), comprising: generating, separately from the hearing assistance device and the fitting station, a production key, distributing the production key to both the fitting station and the hearing assistance device, and storing the production key on both the fitting station and the hearing assistance device; initiating, via the fitting station, a connection with the hearing assistance device, with the hearing assistance device accepting the connection in order to establish a non-encrypted connection between the fitting station and the hearing assistance device via the wireless communication interfaces; determining, by the fitting station, whether the fitting station has been previously paired with the hearing assistance device, and, if the fitting station has not already been paired with the hearing assist

Abstract: A method for providing sound to at least one user, in which audio signals are captured and transformed into audio data that is transmitted to at least one receiver unit; audio signals are generated from the received audio data and the hearing of the user(s) stimulated thereby; wherein the audio data is transmitted as audio data packets in separate slots of a TDMA frame structure, wherein the transmission unit and the receiver unit(s) are synchronized to form a wireless network, wherein each TDMA frame structure has at least one listening slot during which the synchronized network members do not transmit data and at least one network members listens, and wherein control data is transmitted from an external control device according to a sequence pattern selected according to the duration and periodicity of the listening slot(s) to be received by the at least one synchronized network member during said listening slot(s).

Abstract: A method of providing hearing assistance to a user of a hearing system (10, 11, 15) by utilizing an event-related audio broadcast stream (74), the method having the steps of: registering, by the user, for an event; providing, in response to said registering, a personal device (60) of the user with a stream access code required to connect to the broadcast audio stream; establishing a wireless link (72) between the hearing system and the personal device and transmitting the stream access code from the personal device to the hearing system; and connecting, by the hearing system, to the broadcast audio stream.

Abstract: A hearing assistance system having a hearing assistance device to be worn at one of a user's ears and a scanning device, the hearing assistance device and the scanning device both having an interface for wireless data exchange between the hearing assistance device and the scanning device, wherein the hearing assistance device is adapted for wireless data exchange with an external device, wherein the scanning device is adapted to scan for wireless signals from the external device and to transmit, once such signals have been received by the scanning device, a message to the hearing assistance device for notifying the hearing assistance device of the availability of the external device, and wherein the hearing assistance device is adapted to decide, upon receipt of such notification message from the scanning device, whether on not to initiate wireless data exchange with the external device.