Wideband audio provides high-definition voice quality for telephony calls, and offers better quality than standard digital telephony. It does so by extending the frequency range of audio signals transmitted over telephone lines, resulting in higher quality speech.
The great advantages of wideband audio, also marketed as high-definition (HD) audio, are:
- Offers clearer sound quality
- Provides easier voice recognition, even in the presence of background noise, speakerphone, and voice overlapping (two persons speaking at the same time)
- Makes certain words easier to understand, such as words containing letters which sound similar
The final result for users is better phone calls, where both the effort required to understand each other and the need for callers to frequently repeat themselves is greatly reduced.