Digital audio matrix (digital audio processor)

1. Number of analog input channels: ≥ 8 channels, number of analog output channels: ≥ 8 channels;
2. Feedback suppression should be supported, and one-click automatic feedback should be supported, not in the form of manually finding howling points;
3. Automatic gain should be supported, and automatic mixing should be supported;
4. The output channel should have no less than a 31-band equalizer, crossover, delay, and limiter;
5. Dynamic range: ≥ 120dB;
6. Frequency response: no less than 20 - 20kHz (±0.2dB);

1. Total harmonic distortion: ≤ 0.004%;

1. ≥ 2 GPIO interfaces can be independently configured for input and output;
2. Accessed through a web browser to achieve channel control and scene selection functions;
3. Reset switch should be supported to restore factory settings;
4. Channel isolation @ 1kHz: ≥ 104dB @ 1kHz;
5. Meet the GB8898-2011 safety requirements standard for audio, video and similar electronic equipment for class I insulated equipment;
6. Meet the GB8898-2011 safety requirements standard for audio, video and similar electronic equipment for basic insulation between dangerous live parts and accessible grounded parts;
7. Meet the GB8898-2011 safety requirements standard for audio, video and similar electronic equipment for no risk of electric shock under fault conditions;
   • DSP audio processing, built-in automatic mixer, optional feedback cancellation, echo cancellation, noise cancellation modules
   • Each input channel: preamplifier, signal generator, expander, compressor, 5-band parametric equalizer
   • Each output channel: 31-band graphic equalizer, delay, crossover, limiter
   • Full-function matrix mixing function
   • Built-in automatic camera tracking function
   • Support scene preset function;
   • Automatic protection and memory function in case of power failure;
   • 1U all-aluminum chassis