Renowned experts in the field of audio and video transmission—Beijing Onebandintong Communication Technology Co., Ltd. offers the Harley Digital TV Front-End Professional Audio Encoder. For digital television service providers, the encoding, compression, and distribution of high-quality video is undoubtedly the most important aspect, but providing an appealing audio service lineup is equally crucial.
Harley ION Professional Audio Encoder Detailed Technical Specifications
Audio Specifications
Audio format MPEG Layer II channel
Dolby Digital (AC-3) Dual Channel
AAC Dual Channel
aacPlus Dual Channel
Simulated input digital resolution 24-bit
Simulated input level adjustment +4 ~ -18 dBU reference level adjustment. Before compression,
Adjust to a reference level of -20 dB FS.
Working modes: Mono, Stereo, Dual Channel, Mixed Stereo
Encoding Bitrate MPEG Layer II: 56 ~ 384 kbps
Dolby Digital (AC-3): 56 ~ 448 kbps
AAC: 32 ~ 384 kbps
aacPlus: 16 ~ 128 kbps
Sampling frequency of 32 kHz, 44.1 kHz, or 48 kHz.
THD+Noise < 0.05%, sampled at 48 kHz at 1 kHz
Frequency response < 3dB 20 Hz ~ 20 kHz
Input and Output

Audio input 8 ~ 10 stereo pairs
Simulation (Balanced/Unbalanced)
Digital (AES3/EBU or S/PDIF)
Video and audio output IP (Redundant 100/1000 BaseT)
ASI (optional; redundant BNC interface)
System Management
HTTP Configuration Manager
Harley NMX Digital Business Management System
Front Panel Control
Power Requirements
Input voltage range 85 ~ 132 VAC or 170 ~ 264 VAC
42 ~ 60 VDC
AC frequency 47 ~ 63 Hz
Typical power consumption: 47 W per channel
Environmental Requirements
System cooling with 9 fans; airflow circulates from the front to the sides.
Operating temperature 0 ~ 50ºC / 32 ~ 122ºF
Storage temperature -20 ~ 80ºC / -4 ~ 176ºF
Working humidity < 95%, non-condensing
Electromagnetic Compatibility FCC Part 15 Class A
CE mark (EN 55022 Class A and EN 50082-1:1997)
Safety UL 1950, cUL C22.2#950
EN 60950
Structural Parameters
Dimensions (H x W x D) 48.26 cm x 4.45 cm x 60.69 cm
19" x 1.75" (1-RU) x 24"
Weight: 11 kg / 24 lbs