Processor
ADI SHARC 21489 @450 MHz, 40-bit floating-point DSP engine
Product Overview
The Harmonai DSP0808 is a professional 8-in/8-out audio matrix processor based on the ADI SHARC 21489 DSP chip, powered by a 64-bit floating-point DSP engine (400 MIPS / 1.6 GFLOPS) to deliver robust digital signal processing for audio system design, configuration, and optimization. It supports 16×16 analog channels and 16×16 Dante digital audio channels for input and output. Built-in features include AFC feedback suppression, AEC echo cancellation, ANS automatic noise reduction, AM automatic mixing, AGC automatic gain control, PEQ parametric equalization, GEQ graphic equalization, delay, and crossover. Ideal for professional conference systems, live event engineering, and large-venue audio management and routing.
DSP Processing Capability
400 MIPS, 1.6 GFLOPS
Sample Rate / Bit Depth
48 kHz / 24-bit (±100 ppm)
Analog Input Channels
16 channels of Mic/Line analog input with phantom power (bare-wire terminals, balanced connection)
Analog Output Channels
16 channels of balanced line-level analog output (bare-wire terminals, balanced connection)
Dante Input / Output Channels
16×16
Dynamic Range (A/D / D/A)
>107 dB (A-weighted)
Total Harmonic Distortion + Noise
<0.002% @1 kHz, +4 dBu
Frequency Response
20–20 kHz (±0.5 dB)
System Latency
<6 ms
Echo Cancellation (AEC)
Active distributed echo processing, tail length 512 ms, convergence rate 60 dB/s, suppression depth 60 dB
Feedback Suppression (AFC)
Per-channel active dynamic feedback suppression using notch-filter algorithm; microphone gain improvement up to 10 dB, with ≥8 adaptive suppression points per channel
Automatic Noise Suppression (ANS)
Next-generation automatic noise control, improving signal-to-noise ratio by 18 dB
Parametric Equalization
8-band British-style PEQ with 5 filter types: Parametric / Lowshelf / Highshelf / Lowpass / Highpass
Mixing / Gain Control
Gain-sharing automatic mixing (AMC), automatic gain control (AGC), Ducker
Matrix Capacity
≥36×33 matrix
Preset Storage
≥16 presets, supporting input/output channel linking and grouping
Control Interfaces
RS-232 bidirectional serial control ×1, RS-485 ×1, RJ45 ×1, GPIO ≥8 logic inputs/outputs
USB Audio Interface
Built-in 1-in/1-out USB audio interface for music playback, recording, and soft video conferencing (e.g., Zoom, Tencent Meeting, DingTalk)
Remote Management
Supports online programming via APP / Pad / PC; customizable user interface; up to 30 units managed simultaneously from one interface
Power Supply
AC 110–240 V, 50 Hz / 60 Hz
Dimensions (W×D×H)
482 × 260 × 45 mm (standard 1U rack)
Shipping Weight
3 kg
Typical Applications
The DSP0808 is engineered for multi-channel audio system integration and widely deployed in: mid-to-large conference rooms (AEC echo cancellation + AFC feedback suppression ensure clear, howl-free speech); live event engineering and venue sound reinforcement (Dante digital audio networking + flexible 36×33 matrix routing); hotel/banquet hall AV systems (direct USB audio interface integration with video conferencing platforms); theater/auditorium audio processing (rapid switching among ≥16 preset scenes); and centralized audio control in smart buildings (multi-protocol integration via RS-232/RS-485/RJ45).
Contact us for technical specifications, system integration support, or pricing information for the Harmonai DSP0808 audio matrix processor.
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