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4
TECHNICAL DATA
•
Coding algorithms
o
MPEG4 HE-AAC v2 (FhG-Licence)
ETSI TS 102 563
o
ISO/MPEG 1/2 Layer 2 (FhG-Licence)
EN300401
•
Coding modes
o
MPEG4:
HE-AAC LC: Mono, Stereo
HE-AAC v1: Mono + SBR, SBR
HE-AAC v2: SBR + PS
o
MPEG 1/2 Layer 2:
Mono, Dual Channel, Joint Stereo, Stereo
•
Sampling frequencies
o
24, 48-kHz
o
16, 32-kHz
•
Data rates
o
8-kbit/s … 384-kbit/s (depending on selected algorithm)
•
Analogue Audio
o
Electronically balanced input
XLR female
o
Electronically balanced input
XLR male
o
Impedance
Input
> 25 kΩ
Output
< 50 Ω
o
Frequency response
20 Hz … 20.000 Hz
o
Audio level
-3 … +9 dBu
o
Headroom
0 … 15 dB
