Updates (#1192)

shared/video-sdk/best-practices/sound-quality/sound-card-settings/android.mdx

@@ -1,13 +1,13 @@
 <PlatformWrapper platform="android">
 
-### Disable `3A`
+### Disable 3A
 
-<Vg k="VSDK" /> turns on `3A` by default. `3A` stands for echo cancellation (AEC), noise reduction (ANS), and gain control (AGC) in audio processing. Sound card devices usually provide some built-in audio processing, such as echo and noise cancellation. Currently, if `3A` is enabled in the application layer, it may cause over-processing of the audio signal, and interference between different algorithms may impact sound quality. Therefore, it is recommended that users using sound cards call [`setParameters`](https://api-ref.agora.io/en/voice-sdk/android/4.x/API/class_irtcengine.html#api_irtcengine_setparameters) to disable the `3A` function enabled by default.
+<Vg k="VSDK" /> turns on 3A by default. In audio processing, 3A stands for Acoustic Echo Cancellation (AEC), Active Noise Suppression (ANS), and Automatic Gain Control (AGC). Sound card devices usually provide some built-in audio processing, such as echo and noise cancellation. Currently, if 3A is enabled in the application layer, it may cause over-processing of the audio signal and interference between different algorithms may impact sound quality. Best practice is that users with sound cards disable the 3A function by calling [`setParameters`](https://api-ref.agora.io/en/voice-sdk/android/4.x/API/class_irtcengine.html#api_irtcengine_setparameters).
 
 ```java
-setParameters("{\"che.audio.aec.enable\":false}"),  // Turn off echo cancellation
-setParameters("{\"che.audio.ans.enable\":false}"),  // Turn off noise reduction
-setParameters("{\"che.audio.agc.enable\":false}"),  // Turn off gain control
+setParameters("{\"che.audio.aec.enable\":false}")  // Turn off echo cancellation
+setParameters("{\"che.audio.ans.enable\":false}")  // Turn off noise reduction
+setParameters("{\"che.audio.agc.enable\":false}")  // Turn off gain control
 ```
 
 ### Turn on stereo capture

shared/video-sdk/best-practices/sound-quality/sound-card-settings/electron.mdx

@@ -1,11 +1,13 @@
 <PlatformWrapper platform="electron">
 
-### Disable `3A`
+### Disable 3A
 
-<Vg k="VSDK" /> turns on `3A` by default. `3A` stands for echo cancellation (AEC), noise reduction (ANS, and gain control (AGC) in audio processing. Sound card devices usually provide some built-in audio processing, such as echo and noise cancellation. Currently, if `3A` is enabled in the application layer, it may cause over-processing of the audio signal, and interference between different algorithms may impact sound quality. Therefore, it is recommended that users using sound cards call [`setParameters`](https://api-ref.agora.io/en/video-sdk/electron/4.x/API/class_irtcengine.html#api_irtcengine_setparameters) to disable the `3A` function enabled by default.
+<Vg k="VSDK" /> turns on 3A by default. In audio processing, 3A stands for Acoustic Echo Cancellation (AEC), Active Noise Suppression (ANS), and Automatic Gain Control (AGC). Sound card devices usually provide some built-in audio processing, such as echo and noise cancellation. Currently, if 3A is enabled in the application layer, it may cause over-processing of the audio signal and interference between different algorithms may impact sound quality. Best practice is that users with sound cards disable the 3A function by calling [`setParameters`](https://api-ref.agora.io/en/video-sdk/electron/4.x/API/class_irtcengine.html#api_irtcengine_setparameters).
 
 ```typescript
-abstract setParameters(parameters: string): number;
+setParameters("{\"che.audio.aec.enable\":false}")  // Turn off echo cancellation
+setParameters("{\"che.audio.ans.enable\":false}")  // Turn off noise reduction
+setParameters("{\"che.audio.agc.enable\":false}")  // Turn off gain control
 ```
 
 ### Turn on stereo capture

shared/video-sdk/best-practices/sound-quality/sound-card-settings/flutter.mdx

@@ -1,11 +1,13 @@
 <PlatformWrapper platform="flutter">
 
-### Disable `3A`
+### Disable 3A
 
-<Vg k="VSDK" /> turns on `3A` by default. `3A` stands for echo cancellation (AEC), noise reduction (ANS), and gain control (AGC) in audio processing. Sound card devices usually provide some built-in audio processing, such as echo and noise cancellation. Currently, if `3A` is enabled in the application layer, it may cause over-processing of the audio signal, and interference between different algorithms may impact sound quality. Therefore, it is recommended that users using sound cards call [`setParameters`](https://api-ref.agora.io/en/video-sdk/flutter/6.x/API/class_irtcengine.html#api_irtcengine_setparameters) to disable the `3A` function enabled by default.
+<Vg k="VSDK" /> turns on 3A by default. In audio processing, 3A stands for Acoustic Echo Cancellation (AEC), Active Noise Suppression (ANS), and Automatic Gain Control (AGC). Sound card devices usually provide some built-in audio processing, such as echo and noise cancellation. Currently, if 3A is enabled in the application layer, it may cause over-processing of the audio signal and interference between different algorithms may impact sound quality. Best practice is that users with sound cards disable the 3A function by calling [`setParameters`](https://api-ref.agora.io/en/video-sdk/flutter/6.x/API/class_irtcengine.html#api_irtcengine_setparameters).
 
 ```dart
-Future<void> setParameters(String parameters);
+setParameters("{\"che.audio.aec.enable\":false}")  // Turn off echo cancellation
+setParameters("{\"che.audio.ans.enable\":false}")  // Turn off noise reduction
+setParameters("{\"che.audio.agc.enable\":false}")  // Turn off gain control
 ```
 
 ### Turn on stereo capture

shared/video-sdk/best-practices/sound-quality/sound-card-settings/ios.mdx

@@ -1,11 +1,13 @@
 <PlatformWrapper platform="ios">
 
-### Disable `3A`
+### Disable 3A
 
-<Vg k="VSDK" /> turns on `3A` by default. `3A` stands for echo cancellation (AEC), noise reduction (ANS), and gain control (AGC) in audio processing. Sound card devices usually provide some built-in audio processing, such as echo and noise cancellation. Currently, if `3A` is enabled in the application layer, it may cause over-processing of the audio signal, and interference between different algorithms may impact sound quality. Therefore, it is recommended that users using sound cards call [`setParameters`](https://api-ref.agora.io/en/video-sdk/ios/4.x/documentation/agorartckit/agorartcenginekit/setparameters(_:)) to disable the `3A` function enabled by default.
+<Vg k="VSDK" /> turns on 3A by default. In audio processing, 3A stands for Acoustic Echo Cancellation (AEC), Active Noise Suppression (ANS), and Automatic Gain Control (AGC). Sound card devices usually provide some built-in audio processing, such as echo and noise cancellation. Currently, if 3A is enabled in the application layer, it may cause over-processing of the audio signal and interference between different algorithms may impact sound quality. Best practice is that users with sound cards disable the 3A function by calling [`setParameters`](https://api-ref.agora.io/en/video-sdk/ios/4.x/documentation/agorartckit/agorartcenginekit/setparameters(_:)).
 
 ```objc
-(int) setParameters : (NSString * _Nonnull) options NS_SWIFT_NAME (setParameters(_ : ));
+setParameters("{\"che.audio.aec.enable\":false}")  // Turn off echo cancellation
+setParameters("{\"che.audio.ans.enable\":false}")  // Turn off noise reduction
+setParameters("{\"che.audio.agc.enable\":false}")  // Turn off gain control
 ```
 
 ### Turn on stereo capture

shared/video-sdk/best-practices/sound-quality/sound-card-settings/macos.mdx

@@ -1,11 +1,13 @@
 <PlatformWrapper platform="macos">
 
-### Disable `3A`
+### Disable 3A
 
-<Vg k="VSDK" /> turns on `3A` by default. `3A` stands for echo cancellation (AEC), noise reduction (ANS), and gain control (AGC) in audio processing. Sound card devices usually provide some built-in audio processing, such as echo and noise cancellation. Currently, if `3A` is enabled in the application layer, it may cause over-processing of the audio signal, and interference between different algorithms may impact sound quality. Therefore, it is recommended that users using sound cards call [`setParameters`](https://api-ref.agora.io/en/video-sdk/macos/4.x/documentation/agorartckit/agorartcenginekit/setparameters(_:)) to disable the `3A` function enabled by default.
+<Vg k="VSDK" /> turns on 3A by default. In audio processing, 3A stands for Acoustic Echo Cancellation (AEC), Active Noise Suppression (ANS), and Automatic Gain Control (AGC). Sound card devices usually provide some built-in audio processing, such as echo and noise cancellation. Currently, if 3A is enabled in the application layer, it may cause over-processing of the audio signal and interference between different algorithms may impact sound quality. Best practice is that users with sound cards disable the 3A function by calling [`setParameters`](https://api-ref.agora.io/en/video-sdk/macos/4.x/documentation/agorartckit/agorartcenginekit/setparameters(_:)).
 
 ```objc
-(int) setParameters : (NSString * _Nonnull) options NS_SWIFT_NAME (setParameters(_ : ));
+setParameters("{\"che.audio.aec.enable\":false}")  // Turn off echo cancellation
+setParameters("{\"che.audio.ans.enable\":false}")  // Turn off noise reduction
+setParameters("{\"che.audio.agc.enable\":false}")  // Turn off gain control
 ```
 
 ### Turn on stereo capture

shared/video-sdk/best-practices/sound-quality/sound-card-settings/react-native.mdx

@@ -1,11 +1,13 @@
 <PlatformWrapper platform="react-native">
 
-### Disable `3A`
+### Disable 3A
 
-<Vg k="VSDK" /> turns on `3A` by default. `3A` stands for echo cancellation (AEC), noise reduction (ANS), and gain control (AGC) in audio processing. Sound card devices usually provide some built-in audio processing, such as echo and noise cancellation. Currently, if `3A` is enabled in the application layer, it may cause over-processing of the audio signal, and interference between different algorithms may impact sound quality. Therefore, it is recommended that users using sound cards call [`setParameters`](https://api-ref.agora.io/en/video-sdk/react-native/4.x/API/class_irtcengine.html#api_irtcengine_setparameters) to disable the `3A` function enabled by default.
+<Vg k="VSDK" /> turns on 3A by default. In audio processing, 3A stands for Acoustic Echo Cancellation (AEC), Active Noise Suppression (ANS), and Automatic Gain Control (AGC). Sound card devices usually provide some built-in audio processing, such as echo and noise cancellation. Currently, if 3A is enabled in the application layer, it may cause over-processing of the audio signal and interference between different algorithms may impact sound quality. Best practice is that users with sound cards disable the 3A function by calling [`setParameters`](https://api-ref.agora.io/en/video-sdk/react-native/4.x/API/class_irtcengine.html#api_irtcengine_setparameters).
 
 ```typescript
-abstract setParameters(parameters: string): number;
+setParameters("{\"che.audio.aec.enable\":false}")  // Turn off echo cancellation
+setParameters("{\"che.audio.ans.enable\":false}")  // Turn off noise reduction
+setParameters("{\"che.audio.agc.enable\":false}")  // Turn off gain control
 ```
 
 ### Turn on stereo capture

shared/video-sdk/best-practices/sound-quality/sound-card-settings/unity.mdx

@@ -1,16 +1,18 @@
 <PlatformWrapper platform="unity">
 
-### Disable `3A`
+### Disable 3A
 
-<Vg k="VSDK" /> turns on `3A` by default. `3A` stands for echo cancellation (AEC), noise reduction (ANS), and gain control (AGC) in audio processing. Sound card devices usually provide some built-in audio processing, such as echo and noise cancellation. Currently, if `3A` is enabled in the application layer, it may cause over-processing of the audio signal, and interference between different algorithms may impact sound quality. Therefore, it is recommended that users using sound cards call [`setParameters`](https://api-ref.agora.io/en/video-sdk/unity/4.x/API/class_irtcengine.html#api_irtcengine_setparameters) to disable the `3A` function enabled by default.
+<Vg k="VSDK" /> turns on 3A by default. In audio processing, 3A stands for Acoustic Echo Cancellation (AEC), Active Noise Suppression (ANS), and Automatic Gain Control (AGC). Sound card devices usually provide some built-in audio processing, such as echo and noise cancellation. Currently, if 3A is enabled in the application layer, it may cause over-processing of the audio signal and interference between different algorithms may impact sound quality. Best practice is that users with sound cards disable the 3A function by calling [`SetParameters`](https://api-ref.agora.io/en/video-sdk/unity/4.x/API/class_irtcengine.html#api_irtcengine_setparameters).
 
-```c#
-public abstract int SetParameters(string key, object value);
+```cpp
+SetParameters("{\"che.audio.aec.enable\":false}")  // Turn off echo cancellation
+SetParameters("{\"che.audio.ans.enable\":false}")  // Turn off noise reduction
+SetParameters("{\"che.audio.agc.enable\":false}")  // Turn off gain control
 ```
 
 ### Turn on stereo capture
 
-Call [`setAdvancedAudioOptions`](https://api-ref.agora.io/en/video-sdk/unity/4.x/API/class_irtcengine.html#api_irtcengine_setadvancedaudiooptions) to set the number of audio pre-processing channels to `AGORA_AUDIO_STEREO_PROCESSING` (2), that is, use two channels to collect and send stereo sound.
+Call [`SetAdvancedAudioOptions`](https://api-ref.agora.io/en/video-sdk/unity/4.x/API/class_irtcengine.html#api_irtcengine_setadvancedaudiooptions) to set the number of audio pre-processing channels to `AGORA_AUDIO_STEREO_PROCESSING` (2), that is, use two channels to collect and send stereo sound.
 
 ```c#
 public abstract int SetAdvancedAudioOptions(AdvancedAudioOptions options);

shared/video-sdk/best-practices/sound-quality/sound-card-settings/web.mdx

@@ -1,8 +1,8 @@
 <PlatformWrapper platform="web">
 
-### Disable `3A`
+### Disable 3A
 
-<Vg k="VSDK" /> turns on `3A` by default. `3A` stands for echo cancellation (AEC), noise reduction (ANS), and gain control (AGC) in audio processing. Sound card devices usually provide some built-in audio processing, such as echo and noise cancellation. Currently, if `3A` is enabled in the application layer, it may cause over-processing of the audio signal, and interference between different algorithms may impact sound quality. Therefore, it is recommended that users using sound cards call [`createMicrophoneAudioTrack`](https://api-ref.agora.io/en/video-sdk/web/4.x/interfaces/iagorartc.html#createmicrophoneaudiotrack) to disable the `3A` function enabled by default.
+<Vg k="VSDK" /> turns on 3A by default. In audio processing, 3A stands for Acoustic Echo Cancellation (AEC), Active Noise Suppression (ANS), and Automatic Gain Control (AGC). Sound card devices usually provide some built-in audio processing, such as echo and noise cancellation. Currently, if 3A is enabled in the application layer, it may cause over-processing of the audio signal and interference between different algorithms may impact sound quality. Best practice is that users with sound cards disable 3A by calling [`createMicrophoneAudioTrack`](https://api-ref.agora.io/en/video-sdk/web/4.x/interfaces/iagorartc.html#createmicrophoneaudiotrack).
 
 ```javascript
 AgoraRTC.createMicrophoneAudioTrack({

shared/video-sdk/best-practices/sound-quality/sound-card-settings/windows.mdx

@@ -1,11 +1,13 @@
 <PlatformWrapper platform="windows">
 
-### Disable `3A`
+### Disable 3A
 
-<Vg k="VSDK" /> turns on `3A` by default. `3A` stands for echo cancellation (AEC), noise reduction (ANS), and gain control (AGC) in audio processing. Sound card devices usually provide some built-in audio processing, such as echo and noise cancellation. Currently, if `3A` is enabled in the application layer, it may cause over-processing of the audio signal, and interference between different algorithms may impact sound quality. Therefore, it is recommended that users using sound cards call [`setParameters` [1/2]](https://api-ref.agora.io/en/video-sdk/cpp/4.x/API/class_irtcengine.html#api_irtcengine_setparameters) to disable the `3A` function enabled by default.
+<Vg k="VSDK" /> turns on 3A by default. In audio processing, 3A stands for Acoustic Echo Cancellation (AEC), Active Noise Suppression (ANS), and Automatic Gain Control (AGC). Sound card devices usually provide some built-in audio processing, such as echo and noise cancellation. Currently, if 3A is enabled in the application layer, it may cause over-processing of the audio signal and interference between different algorithms may impact sound quality. Best practice is that users with sound cards disable the 3A function by calling [`setParameters`](https://api-ref.agora.io/en/video-sdk/cpp/4.x/API/class_irtcengine.html#api_irtcengine_setparameters).
 
 ```cpp
-virtual int setParameters(const char* parameters) = 0;
+setParameters("{\"che.audio.aec.enable\":false}")  // Turn off echo cancellation
+setParameters("{\"che.audio.ans.enable\":false}")  // Turn off noise reduction
+setParameters("{\"che.audio.agc.enable\":false}")  // Turn off gain control
 ```
 
 ### Turn on stereo capture