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慧明电子 — 专业DSP音频处理专家
佛山慧明电子科技有限公司（HMAUDIO），是一家集专业DSP音频处理产品的研发、制造及销售为一体化的高新技术企业。历经多年潜心研究，我们坚持专业专注、自主创新，在DSP音频研发应用、生产管理、声学结构处理等方面积累了丰富的经验与优势。我们拥有先进的全自动电子生产装配线（高速自动贴片机、无铅热风回流焊、自动插件机、光学检测仪、无铅波峰焊高效可靠的美国AP在线电脑测试分析系统），通过精密生产，严格把关，科学管理，确保产品效果及品质。
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(Out of production) DSP9700 Digital Karaoke and Cinema Processor
Features：
▼ 3 in 1 out HDMI audio and video interface, supports optical or coaxial digital audio input;
▼ Professional 400 MHz main frequency ADI chip, 32-bit high speed DSP processor, 48KHz sampling frequency and 24-bit A/D or D/A converter;
▼ USB and RS232 interfaces are housed for you to connect to the computer, then adjust the parameters by the software in the computer;
▼ Limiter and 4 levels feedback are for MIC input to keep the original sound, meanwhile MIC is processed independently with dual 16-Band PEQ, noise gate, Hi-pass and Lo-pass
▼ 16-Band PEQ is for music, Hi-pass and Lo-pass;
▼ 3-Band PEQ of Hi-pass and Lo-pass are for effect input channels;
▼ 5-Band PEQ, Hi-pass and Lo-pass, input mixing rate, polarity, delay, limiter and gain are for Main, Center, SUB output channels;
▼ 12 groups of data, the boot data is the last saved parameters;
Technical Parameters:
|
Item |
Parameters |
||
|
Output channel |
Main(R/L)/Center/SUB/SURR(L/R)/Rear SURR(L/R) |
||
|
S/N |
MIC |
≥85dB |
1KHz 0dB Input |
|
Music |
≥100dB |
||
|
THD |
MIC |
＜0.01% |
1KHz 0dB Input |
|
Music |
＜0.01% |
||
|
Max Input Level |
MIC |
400mV |
1KHz Input |
|
Music |
2V |
||
|
Max Output Level |
MIC |
3V |
1KHz Input |
|
Music |
3V |
||
|
Sensitivity |
MIC |
30mV |
|
|
Music |
300mV |
||
|
Input Impedance(Ω) |
MIC |
10K unbalanced |
|
|
Music |
47K unbalanced |
||
|
Output Impedance(Ω) Impedance(Ω)Impedance(Ω) |
300Ω(balanced), 1K(unbalanced) |
||
|
Crosstalk of Channels |
85dB |
||
|
Feedback |
4 levels feedback functions |
||
|
Screen |
2" color LCD screen |
||
|
Processor |
Professional 400 MHz main frequency ADI chip, 32-bit high speed DSP processor, 48KHz sampling frequency and 24-bit A/D or D/A converter
|
||
|
Parameter of Channels |
MIC |
Double 16 bands PEQ+LPF+HPF+Limiter, Frequency: 20Hz-20000Hz,total 239 points bandwidth: 0.05oct-3oct, Step: 0.05oct, Gain:﹢10dB,﹣20dB |
|
|
Music |
16 bands PEQ+LPF+HPF, Frequency: 20Hz-20000Hz, total 239 points bandwidth: 0.05oct-3oct, Step: 0.05oct, Gain:﹢10dB,﹣20dB |
||
|
Main(R/L)/Center/SUB/SURR(L/R)/ Rear SURR(L/R) |
Mixer+Polarity+5bands PEQ+LPF+HPF+Limiter+Delay+Gain |
||
|
Weight |
Net Weight |
2.5KG |
|
|
Gross Weight |
3.9KG |
||
|
Dimensions(L×W×H) |
Package Dimensions |
535×80×250（mm） |
|
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Digital Audio Processor, Intelligent Conference Audio System, Video K Front Stage, Digital Mixer, KTV Front Stage Effector, Front and Back Stage Combined Power Amplifier, Professional Power Amplifier, DSP Sound Processing Module and many other electronic audio products