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5.4 AUDIO
The EAN-1350 provides bidirectional audio transmission with different quality options.
Mode Full duplex: Allows using a microphone and amplifier at the
same time, or turning them off at main page.
Half duplex: Allows using a microphone or amplifier by manual
switch.
Simplex microphone only: Allows using the microphone only.
Simplex amplifier only: Allows using the speaker only.
Audio off: Turns audio off; i.e. both the microphone and
speaker are inactive.
Audio In
Codec G726/24: Uses G.726 24Kbps for audio encryption.
G726/32: Uses G.726 32Kbps for audio encryption.
G711a: Uses G.711 a-law 64Kbps for audio encryption.
G711u: Uses G.711 u-law 64Kbps for audio encryption.
Gain Audio in gain (volume) adjustment 10~100%
Audio out
Codec G726/24: Uses G.726 24Kbps for audio decryption.
G726/32: Uses G.726 32Kbps for audio decryption.
G711a: Uses G.711 a-law 64Kbps for audio decryption.
G711u: Uses G.711 u-law 64Kbps for audio decryption.
Gain Audio out gain (volume) adjustment 10~100%