The term digital is used so often today, it can be confusing, especially when referencing hearing aid digital technology. When a hearing aid is termed digital, it generally means the hearing aid uses 100% digital processing. In other words, the hearing aid is indeed a complete computer. Digital hearing aids are usually self-adjusting. The digital processing allows for more flexibility in programming the aid. In this way, the sound it transmits matches your specific pattern of hearing loss. This digital technology is the most expensive, but it offers many advantages.