In this rapidly developing technological era, wireless connections are changing every aspect of life. Hearing aids are no exception; they are no longer merely complex signal processors that amplify speech but have gradually evolved into personal communication devices that connect to streaming media. What wireless technologies do Phonak hearing aids apply? How do they achieve Bluetooth direct connections to various devices? Let’s take a look!
Enabling Hearing Aids to Directly Connect to Multimedia Devices
—BT & BLE Bluetooth
First, let’s understand the current Bluetooth technology
Why can Phonak connect directly to everything?
Phonak uses a direct connection chip developed by Sonova, equipped with multiple Bluetooth protocols, including Classic Bluetooth A2DP protocol (for streaming audio transmission), HFP protocol (for hands-free Bluetooth calls), AirStreams protocol (for watching TV and Bluetooth direct connection to microphones), BLE (for wireless programming and apps), Network + Direct Connection protocol (for use in strong noise environments with network + devices), and BVST dual-ear voice transmission protocol.
● Using classic Bluetooth allows Phonak hearing aids to almost connect directly to all Bluetooth devices, transmitting more data information;
● The hearing aid microphone call means you can completely free your hands, achieving hands-free calls;
● Although theoretically, classic Bluetooth consumes more power than low-energy Bluetooth, Phonak’s powerful chip technology is sufficient to compensate for this minor drawback;
● Additionally, when performing wireless programming and connecting to mobile apps, Phonak hearing aids choose to use low-energy Bluetooth to save power.
Enabling Hearing Aids for Mid to Long-Distance
Barrier-Free Listening in Strong Noise
—Roger Technology
2.4GHz is a short-range wireless transmission technology with many advantages: high confidentiality, compact size, energy-saving, long transmission distance, and a large transmission bandwidth.
The Phonak Roger wireless transmission system operates in the 2.4GHz frequency band, used in conjunction with hearing aids. The chip comes with a network + direct connection protocol, eliminating the need for an external receiver, making it smaller, more energy-efficient, and simpler to use, significantly improving speech recognition rates in strong noise environments and mid to long-distance communication scenarios.
Enabling Dual-Ear Information Exchange for Hearing Aids
—Near-Field Magnetic Induction
The frequency range used for near-field magnetic induction (NFMI) data transmission in hearing aids typically lies between 3 to 15 MHz. NFMI has good universality and easily propagates around a person’s head and body, allowing for dual-ear information exchange between hearing aids. This provides convenience for synchronizing adjustments of programs or volume, as well as the benefits of dual-ear signal processing between hearing aids.
Phonak has different data transmission capabilities for dual-ear information exchange technology, such as:
● Dual-Ear Synchronization: Synchronizing volume adjustments and manual program switching.
● Dual-Ear Music: Maintaining synchronization of dual-ear compression noise reduction parameters when wearing dual ears to ensure balanced music experience.
● Dual-Ear Speech in Cars: Maintaining synchronization of dual-ear compression noise reduction parameters when wearing dual ears to ensure overall noise reduction and improved speech clarity in car environments.
●Dual-Ear Phone: Utilizing dual-ear voice transmission technology, allowing dual-ear listening even with non-Bluetooth phones, enhancing call quality.
●Speech in Extremely Noisy Environments: Utilizing dual-ear voice transmission technology to ensure clarity of conversation in strong noise environments.
●360-Degree Speech Clarity: Utilizing dual-ear voice transmission technology to enhance speech clarity from any direction in noisy environments.
Benefits of Wireless Technology
Directly connecting or connecting through wireless accessories to other Bluetooth devices in daily life provides clear and comfortable sound quality for calls, music, etc.
Achieving mobile app connectivity for control anytime, anywhere.
Wireless programming and remote debugging facilitate the work of fitters and users.
Dual-ear transmission and synchronization enhance dual-ear listening effects.
Providing clear and smooth listening experiences for children’s language learning, group classrooms, meetings, and other scenarios.
The application of wireless technology in hearing aids includes two parts: one is communication between hearing aids, and the other is connection between hearing aids and external devices. Either way, it greatly improves the quality of life for those with hearing loss, allowing them to better connect with the surrounding world and keep pace with the changes of the times. Phonak hearing aids, based on the usage habits of Chinese users’ mobile devices (more Android), adopt MFA to connect various devices, providing maximum convenience for your life.
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