Acoustic feedback causes howling is a technical problem that all sound reinforcement systems encounter and are difficult to solve. The conference system makes the sound feedback howling problem more prominent due to the large number of microphones co-located in one room.
At present, there are many techniques for suppressing acoustic feedback, but none of them are absolutely perfect. Usually, a combination of methods is adopted.
6.1 “Speaker Auto Switch†and “Microphone Auto Switch†Technology
(1) Hand-to-hand type conference system: When speaking to a microphone, the speaker of the same unit is automatically turned off; and when the unit microphone has no signal, the speaker of the same unit is automatically turned on. If the microphone key is pressed for 30 s without speaking, the microphone of the unit will also be automatically turned off.
(2) Automatic mixing type conference system: When speaking to a microphone, the microphone is automatically turned on, and automatically turns off when not speaking.
The higher-end conference system adds a built-in adjustable equalizer and howling suppressor. The main control unit of Panasonic's WM series conference system is also modeled after the general mixer. It is equipped with SEND/RETURN (send/return) interface. Users can externally connect audio processing equipment such as parametric equalizer or frequency shifter. Finer regulation of the sound signal to suppress howling and improve sound quality.
6.2 Variable Directional Microphone and 4-ECM Microphone Technology
It has been proved by theory and practice that for different acoustic environments, the use of microphones with different directional characteristics will help to improve the sound gain and suppress the acoustic feedback whistling. General experience, such as podium, stage and other places with better sound conditions should choose a heart-shaped microphone; round table should use a heart-shaped or super-cardioid microphone; especially for the acoustic environment, such as excessive reverberation time or speakers Far from the microphone (such as the leader or a variety of "forums", speakers sitting on the sofa and the microphone placed on the coffee table), you can consider the use of super heart-shaped or even super-directional microphone.
In recent years, several brands have introduced a microphone equipped with multiple microphone heads for users to choose. For example, the Japanese audio-technica (iron triangle) AT859QMLa series, equipped with three kinds of microphone heads, including 120 sound feedback caused by howling is a technical problem encountered by all sound reinforcement systems and difficult to solve. The conference system makes the sound feedback howling problem more prominent due to the large number of microphones co-located in one room.
At present, there are many techniques for suppressing acoustic feedback, but none of them are absolutely perfect. Usually, a combination of methods is adopted.
6.1 “Speaker Auto Switch†and “Microphone Auto Switch†Technology
(1) Hand-to-hand type conference system: When speaking to a microphone, the speaker of the same unit is automatically turned off; and when the unit microphone has no signal, the speaker of the same unit is automatically turned on. If the microphone key is pressed for 30 s without speaking, the microphone of the unit will also be automatically turned off.
(2) Automatic mixing type conference system: When speaking to a microphone, the microphone is automatically turned on, and automatically turns off when not speaking.
The higher-end conference system adds a built-in adjustable equalizer and howling suppressor. The main control unit of Panasonic's WM series conference system is also modeled after the general mixer. It is equipped with SEND/RETURN (send/return) interface. Users can externally connect audio processing equipment such as parametric equalizer or frequency shifter. Finer regulation of the sound signal to suppress howling and improve sound quality.
6.2 Variable Directional Microphone and 4-ECM Microphone Technology
It has been proved by theory and practice that for different acoustic environments, the use of microphones with different directional characteristics will help to improve the sound gain and suppress the acoustic feedback whistling. General experience, such as podium, stage and other places with better sound conditions should choose a heart-shaped microphone; round table should use a heart-shaped or super-cardioid microphone; especially for the acoustic environment, such as excessive reverberation time or speakers Far from the microphone (such as the leader or a variety of "forums", speakers sitting on the sofa and the microphone placed on the coffee table), you can consider the use of super heart-shaped or even super-directional microphone.
In recent years, several brands have introduced a microphone equipped with multiple microphone heads for users to choose. For example, the Japanese audio-technica (iron triangle) AT859QMLa series, equipped with three kinds of microphone heads, including 120 sound feedback caused by howling is a technical problem encountered by all sound reinforcement systems and difficult to solve. The conference system makes the sound feedback howling problem more prominent due to the large number of microphones co-located in one room.
At present, there are many techniques for suppressing acoustic feedback, but none of them are absolutely perfect. Usually, a combination of methods is adopted.
6.1 “Speaker Auto Switch†and “Microphone Auto Switch†Technology
(1) Hand-to-hand type conference system: When speaking to a microphone, the speaker of the same unit is automatically turned off; and when the unit microphone has no signal, the speaker of the same unit is automatically turned on. If the microphone key is pressed for 30 s without speaking, the microphone of the unit will also be automatically turned off.
(2) Automatic mixing type conference system: When speaking to a microphone, the microphone is automatically turned on, and automatically turns off when not speaking.
The higher-end conference system adds a built-in adjustable equalizer and howling suppressor. The main control unit of Panasonic's WM series conference system is also modeled after the general mixer. It is equipped with SEND/RETURN (send/return) interface. Users can externally connect audio processing equipment such as parametric equalizer or frequency shifter. Finer regulation of the sound signal to suppress howling and improve sound quality.
6.2 Variable Directional Microphone and 4-ECM Microphone Technology
It has been proved by theory and practice that for different acoustic environments, the use of microphones with different directional characteristics will help to improve the sound gain and suppress the acoustic feedback whistling. General experience, such as podium, stage and other places with better sound conditions should choose a heart-shaped microphone; round table should use a heart-shaped or super-cardioid microphone; especially for the acoustic environment, such as excessive reverberation time or speakers Far from the microphone (such as the leader or a variety of "forums", speakers sitting on the sofa and the microphone placed on the coffee table), you can consider the use of super heart-shaped or even super-directional microphone.
In recent years, several brands have introduced a microphone equipped with multiple microphone heads for users to choose. Such as the Japanese audio-technica (iron triangle) AT859QMLa series, with 3 microphone heads, including 120
At present, there are many techniques for suppressing acoustic feedback, but none of them are absolutely perfect. Usually, a combination of methods is adopted.
6.1 “Speaker Auto Switch†and “Microphone Auto Switch†Technology
(1) Hand-to-hand type conference system: When speaking to a microphone, the speaker of the same unit is automatically turned off; and when the unit microphone has no signal, the speaker of the same unit is automatically turned on. If the microphone key is pressed for 30 s without speaking, the microphone of the unit will also be automatically turned off.
(2) Automatic mixing type conference system: When speaking to a microphone, the microphone is automatically turned on, and automatically turns off when not speaking.
The higher-end conference system adds a built-in adjustable equalizer and howling suppressor. The main control unit of Panasonic's WM series conference system is also modeled after the general mixer. It is equipped with SEND/RETURN (send/return) interface. Users can externally connect audio processing equipment such as parametric equalizer or frequency shifter. Finer regulation of the sound signal to suppress howling and improve sound quality.
6.2 Variable Directional Microphone and 4-ECM Microphone Technology
It has been proved by theory and practice that for different acoustic environments, the use of microphones with different directional characteristics will help to improve the sound gain and suppress the acoustic feedback whistling. General experience, such as podium, stage and other places with better sound conditions should choose a heart-shaped microphone; round table should use a heart-shaped or super-cardioid microphone; especially for the acoustic environment, such as excessive reverberation time or speakers Far from the microphone (such as the leader or a variety of "forums", speakers sitting on the sofa and the microphone placed on the coffee table), you can consider the use of super heart-shaped or even super-directional microphone.
In recent years, several brands have introduced a microphone equipped with multiple microphone heads for users to choose. For example, the Japanese audio-technica (iron triangle) AT859QMLa series, equipped with three kinds of microphone heads, including 120 sound feedback caused by howling is a technical problem encountered by all sound reinforcement systems and difficult to solve. The conference system makes the sound feedback howling problem more prominent due to the large number of microphones co-located in one room.
At present, there are many techniques for suppressing acoustic feedback, but none of them are absolutely perfect. Usually, a combination of methods is adopted.
6.1 “Speaker Auto Switch†and “Microphone Auto Switch†Technology
(1) Hand-to-hand type conference system: When speaking to a microphone, the speaker of the same unit is automatically turned off; and when the unit microphone has no signal, the speaker of the same unit is automatically turned on. If the microphone key is pressed for 30 s without speaking, the microphone of the unit will also be automatically turned off.
(2) Automatic mixing type conference system: When speaking to a microphone, the microphone is automatically turned on, and automatically turns off when not speaking.
The higher-end conference system adds a built-in adjustable equalizer and howling suppressor. The main control unit of Panasonic's WM series conference system is also modeled after the general mixer. It is equipped with SEND/RETURN (send/return) interface. Users can externally connect audio processing equipment such as parametric equalizer or frequency shifter. Finer regulation of the sound signal to suppress howling and improve sound quality.
6.2 Variable Directional Microphone and 4-ECM Microphone Technology
It has been proved by theory and practice that for different acoustic environments, the use of microphones with different directional characteristics will help to improve the sound gain and suppress the acoustic feedback whistling. General experience, such as podium, stage and other places with better sound conditions should choose a heart-shaped microphone; round table should use a heart-shaped or super-cardioid microphone; especially for the acoustic environment, such as excessive reverberation time or speakers Far from the microphone (such as the leader or a variety of "forums", speakers sitting on the sofa and the microphone placed on the coffee table), you can consider the use of super heart-shaped or even super-directional microphone.
In recent years, several brands have introduced a microphone equipped with multiple microphone heads for users to choose. For example, the Japanese audio-technica (iron triangle) AT859QMLa series, equipped with three kinds of microphone heads, including 120 sound feedback caused by howling is a technical problem encountered by all sound reinforcement systems and difficult to solve. The conference system makes the sound feedback howling problem more prominent due to the large number of microphones co-located in one room.
At present, there are many techniques for suppressing acoustic feedback, but none of them are absolutely perfect. Usually, a combination of methods is adopted.
6.1 “Speaker Auto Switch†and “Microphone Auto Switch†Technology
(1) Hand-to-hand type conference system: When speaking to a microphone, the speaker of the same unit is automatically turned off; and when the unit microphone has no signal, the speaker of the same unit is automatically turned on. If the microphone key is pressed for 30 s without speaking, the microphone of the unit will also be automatically turned off.
(2) Automatic mixing type conference system: When speaking to a microphone, the microphone is automatically turned on, and automatically turns off when not speaking.
The higher-end conference system adds a built-in adjustable equalizer and howling suppressor. The main control unit of Panasonic's WM series conference system is also modeled after the general mixer. It is equipped with SEND/RETURN (send/return) interface. Users can externally connect audio processing equipment such as parametric equalizer or frequency shifter. Finer regulation of the sound signal to suppress howling and improve sound quality.
6.2 Variable Directional Microphone and 4-ECM Microphone Technology
It has been proved by theory and practice that for different acoustic environments, the use of microphones with different directional characteristics will help to improve the sound gain and suppress the acoustic feedback whistling. General experience, such as podium, stage and other places with better sound conditions should choose a heart-shaped microphone; round table should use a heart-shaped or super-cardioid microphone; especially for the acoustic environment, such as excessive reverberation time or speakers Far from the microphone (such as the leader or a variety of "forums", speakers sitting on the sofa and the microphone placed on the coffee table), you can consider the use of super heart-shaped or even super-directional microphone.
In recent years, several brands have introduced a microphone equipped with multiple microphone heads for users to choose. Such as the Japanese audio-technica (iron triangle) AT859QMLa series, with 3 microphone heads, including 120
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