HD Voice, also known as wideband audio, is a VoIP technology that significantly improves audio quality by using a wider frequency range than traditional narrowband audio. Standard phone calls use a narrowband frequency range of 300 Hz to 3.4 kHz, while HD Voice extends this range to 50 Hz to 7 kHz or higher. This wider range captures more detail in the human voice, making conversations sound more natural and reducing background noise. HD Voice is typically enabled through wideband codecs such as G.722 or Opus, which compress and transmit audio data efficiently. Businesses using VoIP benefit from HD Voice by enhancing customer satisfaction, improving call clarity, and reducing misunderstandings. As VoIP technology advances, HD Voice is becoming the standard for high-quality business communication.
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