Analog audio inputs

• 2 x XLR female. 9Kohm. Electronically balanced. Professional line level.
• Analog audio outputs
• 2 x XLR male. Output impedance < 100 ohm.
• Electronically balanced. Professional line level.
• Digital audio I/O
• DB15 connector. AES/EBU interface. SRC on input
• Audio specifications
• Nominal input level. 0dBu.
• Maximum input level. +20dBu.
• Nominal output level. 0dBu.
• Maximum output level. 20dB above nominal level.
• Max. distortion, linear audio <0.03%
• THD + N in SRC @1KHz: -117 dB.
• Dynamic range for linear audio.>105dB.
• Crosstalk <-70dB.
• Frequency response (+/- 0.2dB).
• 50Hz – 15KHz in MPEG 1 L II.
• 20Hz – 20KHz in MPEG 4 AAC*, and for linear audio PCM.
• 50Hz – 7KHz in G722.
• 50Hz - 3KHz in G711.
• Analog I/O: A/D and D/A 24 bit Sigma-Delta converters, 48 kHz max.
• Modes: Mono, Dual Mono, Stereo.
• IP communications interface: Ethernet port. LAN 10/100 base T
• Connector RJ45.
• Fully compliant N/ACIP EBU Tech 3326.
• SIP: Compliant with EBU-Tech 3326 recommendation.
• AUX DATA: DB 9. 9,6 Kbps to 38,4 Kbps flow embedded  in the RTP
• stream.
• USB Type A. Master or Slave operational mode.

Encoding algorithms.

• OPUS with Fs= 48KHz, mono, stereo, with 3 mono and 4 stereo presets.
• Bit rates between 12 and 256Kbps. Audio bandwidth between 6 and
• 20 kHz.
• G711 A law, µ law (64kbps, low delay, 3.5 KHz audio bandwidth)
• G722 (64 Kbps, low delay, 7 KHz audio bandwidth)
• AEQ-LD Fs=16, 32 or 48KHz, mono or stereo. Bit-rates between 64
• and 384Kbps, audio bandwidths between 7 and 20KHz.
• MPEG1 y 2-LII, Fs between 16 and 48 KHz, mono, stereo, dual
• channel and joint stereo. Bit-rates between 64 and 384 Kbps. Audio
• bandwidths between 10,5 and 16,5 KHz.
• AAC-LC* high quality, with Fs=24, 32 and 48 KHz, mono, stereo,
• MsStereo, bit-rates between 32 and 256Kbps., audio bandwidths
• between 9 and 20 KHz.
• AAC-LD* high quality and low delay, Fs=48 KHz, mono, stereo and
• MsStereo. Bit-rates between 32 and 256Kbps, audio bandwidths
• between 8 and 20KHz.
• PCM (linear) very low delay and transparent quality. Fs=48 KHz or
• 32 KHz @ 12, 16, 20 or 24 bits/sample, mono or stereo (bit-rates
• between 576 and 2304 Kbps), audio bandwidths between 15 and
• 20 KHz.
• Smart RTP call-initiation protocol that simplifies connection to compatible codecs.