…is high definition voice quality for telephony audio, contrasted with standard digital telephony “toll quality.” It extends the frequency range of audio signals transmitted over telephone lines, resulting in higher quality speech. The general range of the human voice extends from approx. 80 Hz to 14 kHz but traditional, voiceband
…is high definition voice quality for telephony audio, contrasted with standard digital telephony “toll quality.” It extends the frequency range of audio signals transmitted over telephone lines, resulting in higher quality speech. The general range of the human voice extends from approx. 80 Hz to 14 kHz but traditional, voiceband
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