English
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KF-001
CARD
A dual-channel feedback suppressor is a device used in audio systems to automatically detect and suppress feedback in real-time. Here are some key features and characteristics of a dual-channel feedback suppressor:
1. Feedback Detection: The dual-channel feedback suppressor uses advanced algorithms and filters to detect feedback frequencies in the audio signal. Feedback occurs when the sound from a loudspeaker is picked up by a microphone and re-amplified, creating a loop of increasing volume and potential distortion. The suppressor identifies these frequencies and distinguishes them from the desired audio signal.
2. Adaptive Filtering: Once feedback frequencies are detected, the dual-channel feedback suppressor applies adaptive filtering techniques to reduce or eliminate the feedback. Adaptive filters continuously analyze the audio signal and adjust their parameters to effectively suppress feedback while preserving the quality of the desired audio.
3. Dual-Channel Operation: A dual-channel feedback suppressor can process two separate audio channels simultaneously. This is particularly useful in applications where multiple microphones and loudspeakers are in use, such as in live performances, conferences, or large venues. Each channel can be independently monitored and processed for feedback suppression.
4. Real-Time Processing: The dual-channel feedback suppressor operates in real-time, providing immediate feedback control without introducing noticeable latency or delay in the audio signal. This ensures that feedback is suppressed as soon as it is detected, minimizing the impact on the overall audio quality.
5. User-Friendly Interface: Many dual-channel feedback suppressors feature a user-friendly interface that allows users to easily configure and adjust the settings. This may include controls for sensitivity, filter parameters, and overall suppression levels. Some devices also offer automatic setup features, where the suppressor analyzes the audio system and sets optimal parameters automatically.
6. Integration with Audio Systems: Dual-channel feedback suppressors can be integrated into various audio systems, including sound reinforcement systems, PA systems, conference systems, and recording setups. They can be connected between the microphones and the amplifiers or inserted into the signal chain through auxiliary sends and returns.
7. Additional Audio Processing Features: Some dual-channel feedback suppressors may offer additional audio processing features, such as equalization, compression, or noise gating. These features help optimize the overall sound quality and control unwanted audio artifacts.
Dual-channel feedback suppressors are commonly used in professional audio applications where feedback control is crucial for maintaining clear and distortion-free sound. They provide an effective solution for managing feedback in real-time, allowing for smoother and more reliable audio performances. When selecting a dual-channel feedback suppressor, it is important to consider factors such as the number of channels required, ease of use, integration capabilities, and additional audio processing features to ensure it meets the specific needs of the audio system.
Technical parameters.
1, input channels, output channels and sockets: 2 X L R female analog input / 2 groups of stereo coaxial / optical / A E S input (each group of digital port transmission of two audio signals)
2, input impedance: balanced 2 0 KΩ
3, output impedance: balanced 1 0 0Ω
4, input range: ≤ + 2 0 d B u
5, frequency response: 15Hz-25KHz (-0.3dB)
6、Signal to noise ratio: >110dB
7、Distortion: <0.01% OUTPUT=0dBu/1KHz
8, channel separation: > 80dB (1KHz)
9, whistle finding and suppression mode: fully automatic trap
10, signal input frequency response: 20Hz-30kHz ±0.5dB
11, filter: independent 24 per channel
12, power supply: AC110V ~ 240V 50/60Hz
13, power consumption: <20W
A dual-channel feedback suppressor is a device used in audio systems to automatically detect and suppress feedback in real-time. Here are some key features and characteristics of a dual-channel feedback suppressor:
1. Feedback Detection: The dual-channel feedback suppressor uses advanced algorithms and filters to detect feedback frequencies in the audio signal. Feedback occurs when the sound from a loudspeaker is picked up by a microphone and re-amplified, creating a loop of increasing volume and potential distortion. The suppressor identifies these frequencies and distinguishes them from the desired audio signal.
2. Adaptive Filtering: Once feedback frequencies are detected, the dual-channel feedback suppressor applies adaptive filtering techniques to reduce or eliminate the feedback. Adaptive filters continuously analyze the audio signal and adjust their parameters to effectively suppress feedback while preserving the quality of the desired audio.
3. Dual-Channel Operation: A dual-channel feedback suppressor can process two separate audio channels simultaneously. This is particularly useful in applications where multiple microphones and loudspeakers are in use, such as in live performances, conferences, or large venues. Each channel can be independently monitored and processed for feedback suppression.
4. Real-Time Processing: The dual-channel feedback suppressor operates in real-time, providing immediate feedback control without introducing noticeable latency or delay in the audio signal. This ensures that feedback is suppressed as soon as it is detected, minimizing the impact on the overall audio quality.
5. User-Friendly Interface: Many dual-channel feedback suppressors feature a user-friendly interface that allows users to easily configure and adjust the settings. This may include controls for sensitivity, filter parameters, and overall suppression levels. Some devices also offer automatic setup features, where the suppressor analyzes the audio system and sets optimal parameters automatically.
6. Integration with Audio Systems: Dual-channel feedback suppressors can be integrated into various audio systems, including sound reinforcement systems, PA systems, conference systems, and recording setups. They can be connected between the microphones and the amplifiers or inserted into the signal chain through auxiliary sends and returns.
7. Additional Audio Processing Features: Some dual-channel feedback suppressors may offer additional audio processing features, such as equalization, compression, or noise gating. These features help optimize the overall sound quality and control unwanted audio artifacts.
Dual-channel feedback suppressors are commonly used in professional audio applications where feedback control is crucial for maintaining clear and distortion-free sound. They provide an effective solution for managing feedback in real-time, allowing for smoother and more reliable audio performances. When selecting a dual-channel feedback suppressor, it is important to consider factors such as the number of channels required, ease of use, integration capabilities, and additional audio processing features to ensure it meets the specific needs of the audio system.
Technical parameters.
1, input channels, output channels and sockets: 2 X L R female analog input / 2 groups of stereo coaxial / optical / A E S input (each group of digital port transmission of two audio signals)
2, input impedance: balanced 2 0 KΩ
3, output impedance: balanced 1 0 0Ω
4, input range: ≤ + 2 0 d B u
5, frequency response: 15Hz-25KHz (-0.3dB)
6、Signal to noise ratio: >110dB
7、Distortion: <0.01% OUTPUT=0dBu/1KHz
8, channel separation: > 80dB (1KHz)
9, whistle finding and suppression mode: fully automatic trap
10, signal input frequency response: 20Hz-30kHz ±0.5dB
11, filter: independent 24 per channel
12, power supply: AC110V ~ 240V 50/60Hz
13, power consumption: <20W
