White Papers

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Sound Modem
Voice Enhancement Technologies
Hearing Enhancement Technologies

Sound Modem

Alango Short Range Sound Modem (SRSM) White Paper

Alango Short-Range Sound Modem (SRSM) technology allows for transferring arbitrary digital data, over-the-air, to a device via a narrow-band voice acoustic channel. The frequency of the data is within the human-audible spectrum utilizing a standard speaker from the transmit device to a standard microphone on the receive device; it’s simply data-over-sound.

Voice Enhancement Technologies

Adaptive Dual Microphone

ADM technology interactive white paper

Automatic Volume and eQualization control

AVQ technology interactive white paper

Acoustic Echo Cancellation for Low Cost Applications

AEC technology interactive white paper

Hearing Enhancement Technologies

Digital Signal Processing for Over-the-Counter Hearing Aids

In this whitepaper, we look at the principles of digital signal processing, algorithms and software that improve hearing for people with hearing loss.

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