0-9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Pertaining to those frequencies within that part of the audio range that is used for the transmission of speech. (188) Note 1: In telephony, the usable voice-frequency band ranges from approximately 300 Hz to 3400 Hz. Note 2: In telephony, the bandwidth allocated for a single voice-frequency transmission channel is usually 4 kHz, including guard bands. Synonym voice band.