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Summary of Contents for onsemi Ayre SA3291

  • Page 1 The information herein is provided “as-is” and onsemi makes no warranty, representation or guarantee regarding the accuracy of the information, product features, availability, functionality, or suitability of its products for any particular purpose, nor does onsemi assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
  • Page 2: Application Note

    Memory Select (MS) between two hearing aids and a relay device. Ayre SA3291 can also operate in a binaural system where there is no remote control or relay device present.
  • Page 3 Windows PC Programming Hearing Aid Figure 1. Wireless Configuration using IDS Ayre SA3291 has many programmable features and Wireless tab: Streaming enable and stereo and phone ♦ settings that are configured using the Interactive Data Sheet mode wireless audio level and microphone mixing (IDS).
  • Page 4 (4.86 V to 12.76 V). This control allows for the adjustment of the transmitted power of the NFMI transmitter. Ayre SA3291 is pre−configured for optimum transmission power at the default value, however some Figure 3. IDS Settings Tab Wireless Parameters increase or decrease in Tx power may be desired in certain situations.
  • Page 5 • In order to be able to change the VC level from the far Ayre SA3291 binaural telecoil mode provides two-ear ear, VC Synch must be enabled on this hearing aid. telephone listening. In this mode, the user can adjust the VC •...
  • Page 6 Wireless Audio Streaming seamlessly. The Tcoil debounce time can be configured Ayre SA3291 is capable of receiving wireless audio on the Setting tab in IDS. signals and remote control commands streamed from a remote transmitter.
  • Page 7 StereoMWAtten: Adjusts the attenuation of the local microphone from 0 dB to -24 dB and off when the streaming signal is Stereo Audio. • StereoWAtten: Adjusts the attenuation of the streaming audio from 0 dB to -24 dB when the streaming signal is Stereo Audio. http://onsemi.com...
  • Page 8 Stereo Streaming Gain Distribution Figure 10. Memory Select A Utilities Tab When HRX is disabled on Ayre SA3291 device, the gain If the hearing aid goes out of range of the relay device but on the front-end of the system can be adjusted using the...
  • Page 9 Semiconductor Components Industries, LLC (SCILLC). SCILLC owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.