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GC553G2
Live Gamer ULTRA 2.1
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Version：AVerMedia Streaming Center (Win) v1.6.53.1
OS：Win10 x64, Win 11
Description：
1 Fixed an issue where multi-channel audio info might not show when opening Streaming Center with GC553G2.
2 Solved a problem where turning HDR on/off or opening/closing Streaming Center could sometimes cause the video to stop displaying or the audio to act abnormally.
3 Fixed a bug where a “Please connect AVerMedia device” message might randomly pop up when starting Streaming Center.
4 Improved scene transitions smoother while recording.
5 Fixed an audio issue where stereo or 5.1 channel sound could be incorrectly converted. Now, stereo input stays stereo, and 5.1 stays 5.1 as it should.
6 Fixed a problem where adding the Streaming Center Virtual Mic in OBS could cause it to lose sound after restarting Streaming Center or OBS.
OS：Win10 x64, Win 11
Description：
1 Fixed an issue where multi-channel audio info might not show when opening Streaming Center with GC553G2.
2 Solved a problem where turning HDR on/off or opening/closing Streaming Center could sometimes cause the video to stop displaying or the audio to act abnormally.
3 Fixed a bug where a “Please connect AVerMedia device” message might randomly pop up when starting Streaming Center.
4 Improved scene transitions smoother while recording.
5 Fixed an audio issue where stereo or 5.1 channel sound could be incorrectly converted. Now, stereo input stays stereo, and 5.1 stays 5.1 as it should.
6 Fixed a problem where adding the Streaming Center Virtual Mic in OBS could cause it to lose sound after restarting Streaming Center or OBS.
Version：[Application] AssistCentralPro_v4.0.65
OS：macOS 15
Description：
1 Fixed a crash issue when Assist Central Pro and Streaming Center are opened simultaneously.
2 Fixed a potential crash issue when switching input resolutions in Assist Central Pro.
3 Added 5.1 multichannel audio on/off toggle feature for GC553G2 (requires FW 1.0.8.1) and GC553PRO (requires FW 1.1.2.1).
4 Fixed an issue where applying the same manual exposure value to the PW513 resulted in inconsistent brightness levels.
5 Fixed an issue where using the "Restore Defaults" function in Assist Central Pro to PW310P could cause abnormal color output.
OS：macOS 15
Description：
1 Fixed a crash issue when Assist Central Pro and Streaming Center are opened simultaneously.
2 Fixed a potential crash issue when switching input resolutions in Assist Central Pro.
3 Added 5.1 multichannel audio on/off toggle feature for GC553G2 (requires FW 1.0.8.1) and GC553PRO (requires FW 1.1.2.1).
4 Fixed an issue where applying the same manual exposure value to the PW513 resulted in inconsistent brightness levels.
5 Fixed an issue where using the "Restore Defaults" function in Assist Central Pro to PW310P could cause abnormal color output.
Version：[Application] AssistCentralPro_v4.0.65
OS：Win10 x64; Win11
Description：
1 Fixed a crash issue when Assist Central Pro and Streaming Center are opened simultaneously.
2 Fixed a potential crash issue when switching input resolutions in Assist Central Pro.
3 Added 5.1 multichannel audio on/off toggle feature for GC553G2 (requires FW 1.0.8.1) and GC553PRO (requires FW 1.1.2.1).
4 Fixed an issue where applying the same manual exposure value to the PW513 resulted in inconsistent brightness levels.
5 Fixed an issue where using the "Restore Defaults" function in Assist Central Pro to PW310P could cause abnormal color output.
OS：Win10 x64; Win11
Description：
1 Fixed a crash issue when Assist Central Pro and Streaming Center are opened simultaneously.
2 Fixed a potential crash issue when switching input resolutions in Assist Central Pro.
3 Added 5.1 multichannel audio on/off toggle feature for GC553G2 (requires FW 1.0.8.1) and GC553PRO (requires FW 1.1.2.1).
4 Fixed an issue where applying the same manual exposure value to the PW513 resulted in inconsistent brightness levels.
5 Fixed an issue where using the "Restore Defaults" function in Assist Central Pro to PW310P could cause abnormal color output.
Version GC553G2 FW Update Tool_1.0.8.1
OS: macOS 14, macOS 15
Description:
1 Added error message prompts and guidance for unsupported resolution, HDCP, and no signal conditions.
2 Added option to enable or disable multichannel audio in Assist Central Pro
OS: macOS 14, macOS 15
Description:
1 Added error message prompts and guidance for unsupported resolution, HDCP, and no signal conditions.
2 Added option to enable or disable multichannel audio in Assist Central Pro
Version：GC553G2 FW Update Tool_1.0.8.1
OS：Win10 x64, Win 11
Description：
1.Added error message prompts and guidance for unsupported resolution, HDCP, and no signal conditions.
2. Added option to enable or disable multichannel audio in Assist Central Pro
OS：Win10 x64, Win 11
Description：
1.Added error message prompts and guidance for unsupported resolution, HDCP, and no signal conditions.
2. Added option to enable or disable multichannel audio in Assist Central Pro
Version：AVerMedia Streaming Center (Win) v1.6.31.2
OS：Win10 x64, Win 11
Description：
1.Supported Models:
GC515, GC531, GC535, GC551G2, GC553, GC553G2, GC553PRO, GC570D, GC571, GC573, GC575, GC311, BU113, PW310P, PW313, PW313D, PW315, PW513, PW515, AM310, AM310G2, AM350
2.GC575:
2-1. 4K 144Hz Support: Please update the GC575 firmware to version 1.1.6.12 or later.
2-2. Multi-channel 5.1 Audio Capture & Passthrough Support: Please update the GC575 firmware to version 1.1.6.12 or later.
2-3. VRR Recording Support: Please update the GC575 firmware to version 1.1.6.12 or later.
3.GC553G2:
3-1. Support 5.1 Multi-channel Monitoring/Recording: Please update the GC553G2 firmware to version 1.0.7.7 or later.
3-2. Support 4K 144Hz Recording: Please update the GC553G2 firmware to version 1.0.7.7 or later.
4.Support for Streaming on: YouTube, Twitch, Facebook, SOOP.
OS：Win10 x64, Win 11
Description：
1.Supported Models:
GC515, GC531, GC535, GC551G2, GC553, GC553G2, GC553PRO, GC570D, GC571, GC573, GC575, GC311, BU113, PW310P, PW313, PW313D, PW315, PW513, PW515, AM310, AM310G2, AM350
2.GC575:
2-1. 4K 144Hz Support: Please update the GC575 firmware to version 1.1.6.12 or later.
2-2. Multi-channel 5.1 Audio Capture & Passthrough Support: Please update the GC575 firmware to version 1.1.6.12 or later.
2-3. VRR Recording Support: Please update the GC575 firmware to version 1.1.6.12 or later.
3.GC553G2:
3-1. Support 5.1 Multi-channel Monitoring/Recording: Please update the GC553G2 firmware to version 1.0.7.7 or later.
3-2. Support 4K 144Hz Recording: Please update the GC553G2 firmware to version 1.0.7.7 or later.
4.Support for Streaming on: YouTube, Twitch, Facebook, SOOP.
Version： StreamingCenterPLUG V2.1.8 (Win), Plugins for OBS Studio
OS：Win 11
Description：
1 Requires OBS Studio version 30.2 or later.
2 AVerMedia Center Upgrade: Includes AVerMedia features and works within OBS Studio.
3 Supported Devices: GC553Pro, GC553G2, GC575, GC515, GC535, GC531.
4 Supports 5.1 Multichannel Audio Capture: GC553Pro, GC553G2 (Firmware v1.0.7.7 or later), GC575 (Firmware v1.1.6.12 or later)
OS：Win 11
Description：
1 Requires OBS Studio version 30.2 or later.
2 AVerMedia Center Upgrade: Includes AVerMedia features and works within OBS Studio.
3 Supported Devices: GC553Pro, GC553G2, GC575, GC515, GC535, GC531.
4 Supports 5.1 Multichannel Audio Capture: GC553Pro, GC553G2 (Firmware v1.0.7.7 or later), GC575 (Firmware v1.1.6.12 or later)
Version：[Application] AssistCentralPro_v4.0.39
OS：macOS 15
Description：
Support GC515; GC535; GC531; GC553; GC553G2; GC553PRO; GC551G2; GC311; GC313; GC313PRO; BU113;
PW310P; PW313; PW313D; PW315; PW513; PW515; AM310; AM310G2; AM350
1 Download, Install, and Update Notifications : Use Assist Central Pro to download, install, and receive notifications for any firmware updates.
2 Issue Reporting: Capture Platform Information
3 HDCP On/Off Toggle
Enable or disable HDCP (High-bandwidth Digital Content Protection) as needed for compatibility with connected devices.
OS：macOS 15
Description：
Support GC515; GC535; GC531; GC553; GC553G2; GC553PRO; GC551G2; GC311; GC313; GC313PRO; BU113;
PW310P; PW313; PW313D; PW315; PW513; PW515; AM310; AM310G2; AM350
1 Download, Install, and Update Notifications : Use Assist Central Pro to download, install, and receive notifications for any firmware updates.
2 Issue Reporting: Capture Platform Information
3 HDCP On/Off Toggle
Enable or disable HDCP (High-bandwidth Digital Content Protection) as needed for compatibility with connected devices.
Version：[Application] AssistCentralPro_v4.0.39
OS：Win10 x64; Win11
Description：
Support GC515; GC535; GC531; GC553; GC553G2; GC553PRO; GC570D; GC571; GC573; GC575; GC551G2; GC311; GC313; GC313PRO; BU113;
PW310P; PW313; PW313D; PW315; PW513; PW515; AM310; AM310G2; AM350
1 Download, Install, and Update Notifications : Use Assist Central Pro to download, install, and receive notifications for any firmware updates.
2 Issue Reporting: Capture Platform Information
3 HDCP On/Off Toggle
Enable or disable HDCP (High-bandwidth Digital Content Protection) as needed for compatibility with connected devices.
OS：Win10 x64; Win11
Description：
Support GC515; GC535; GC531; GC553; GC553G2; GC553PRO; GC570D; GC571; GC573; GC575; GC551G2; GC311; GC313; GC313PRO; BU113;
PW310P; PW313; PW313D; PW315; PW513; PW515; AM310; AM310G2; AM350
1 Download, Install, and Update Notifications : Use Assist Central Pro to download, install, and receive notifications for any firmware updates.
2 Issue Reporting: Capture Platform Information
3 HDCP On/Off Toggle
Enable or disable HDCP (High-bandwidth Digital Content Protection) as needed for compatibility with connected devices.
Version：[Application] Diagnosis Tool v2.0.1.8
OS：Win10 x64, Win11
Description：
Support GC553G2、GC575和GC571
OS：Win10 x64, Win11
Description：
Support GC553G2、GC575和GC571
Version GC553G2 FW Update Tool_1.0.7.10
OS: macOS 14, macOS 15
Description:
1 Enable VRR (Variable Refresh Rate) support for GC553G2 (Please use Assist Central Pro ver. 4.0.39 or later)
2 Fixed a screen freezing issue when VRR is set to Off and MJPEG is selected as the preview format.
3 Fixed an issue where enabling G-Sync with a 3840x2160p60 input source would cause the preview to freeze when MJPEG is selected.
4 Fixed a jittering issue in the preview when MJPEG is selected and a 1920x1080p240 input source is used with passthrough enabled.
OS: macOS 14, macOS 15
Description:
1 Enable VRR (Variable Refresh Rate) support for GC553G2 (Please use Assist Central Pro ver. 4.0.39 or later)
2 Fixed a screen freezing issue when VRR is set to Off and MJPEG is selected as the preview format.
3 Fixed an issue where enabling G-Sync with a 3840x2160p60 input source would cause the preview to freeze when MJPEG is selected.
4 Fixed a jittering issue in the preview when MJPEG is selected and a 1920x1080p240 input source is used with passthrough enabled.
Version：GC553G2 FW Update Tool_1.0.7.10
OS：Win10 x64, Win 11
Description：
1 Enable VRR (Variable Refresh Rate) support for GC553G2 (Please use Assist Central Pro_v4.0.39)
2 Fixed an issue where switching from 4Kp60 to 4Kp120/144 preview would cause the screen to freeze when the input source is 2560x1440p.
3 Fixed visual artifacts appearing at the bottom of the preview when using MJPEG format at 4Kp120/144 with a 2560x1440p input source.
4 Fixed a problem where switching from 4Kp60/120 to 2560x1440p caused the preview to freeze or show a black screen when set to 4Kp144 MJPEG.
5 Fixed a screen freezing issue when VRR is set to Off and MJPEG is selected as the preview format.
6 Fixed an issue where enabling G-Sync with a 3840x2160p60 input source would cause the preview to freeze when MJPEG is selected.
7 Fixed a jittering issue in the preview when MJPEG is selected and a 1920x1080p240 input source is used with passthrough enabled.
OS：Win10 x64, Win 11
Description：
1 Enable VRR (Variable Refresh Rate) support for GC553G2 (Please use Assist Central Pro_v4.0.39)
2 Fixed an issue where switching from 4Kp60 to 4Kp120/144 preview would cause the screen to freeze when the input source is 2560x1440p.
3 Fixed visual artifacts appearing at the bottom of the preview when using MJPEG format at 4Kp120/144 with a 2560x1440p input source.
4 Fixed a problem where switching from 4Kp60/120 to 2560x1440p caused the preview to freeze or show a black screen when set to 4Kp144 MJPEG.
5 Fixed a screen freezing issue when VRR is set to Off and MJPEG is selected as the preview format.
6 Fixed an issue where enabling G-Sync with a 3840x2160p60 input source would cause the preview to freeze when MJPEG is selected.
7 Fixed a jittering issue in the preview when MJPEG is selected and a 1920x1080p240 input source is used with passthrough enabled.
Version: AVerMedia Multi-channel Audio V1.0.2(OBS Plugin)
Operating System: Win10 x64; Win11
Description:
1.Support OBS Studio V30.2 or later
2.Support 5.1 multi-channel audio capture and pass-through: Please also use GC553G2 firmware V1.0.7.7
3.How to use AVerMedia Multi-channel Audio V1.0.1(OBS Plugin) please refer to the FAQ.
Operating System: Win10 x64; Win11
Description:
1.Support OBS Studio V30.2 or later
2.Support 5.1 multi-channel audio capture and pass-through: Please also use GC553G2 firmware V1.0.7.7
3.How to use AVerMedia Multi-channel Audio V1.0.1(OBS Plugin) please refer to the FAQ.
Version GC553G2 FW Update Tool_1.0.7.7
OS: macOS 13, macOS 14
Description:
Support 4K60 capture: System requirement: Mac computers with M1/M2 Ultra or above
OS: macOS 13, macOS 14
Description:
Support 4K60 capture: System requirement: Mac computers with M1/M2 Ultra or above
Version: AVerMedia Multi-channel Audio V1.0.1(OBS Plugin)
Operating System: Win10 x64; Win11
Description:
Support 5.1 multi-channel audio capture and pass-through: Please also use GC553G2 firmware V1.0.7.7
How to use AVerMedia Multi-channel Audio V1.0.1(OBS Plugin) please refer to the FAQ.
Operating System: Win10 x64; Win11
Description:
Support 5.1 multi-channel audio capture and pass-through: Please also use GC553G2 firmware V1.0.7.7
How to use AVerMedia Multi-channel Audio V1.0.1(OBS Plugin) please refer to the FAQ.
Version：GC553G2 FW Update Tool_1.0.7.7
OS：Win10 x64, Win 11
Description：
1. Support 4K144: Please use Streaming Center V1.6.31.2 or later
2. Support 5.1 multi-channel audio capture and pass-through: Please use Streaming Center V1.6.31.2 or AVerMedia Multichannel audio (OBS Plugin)
3. Support Windows Dynamic LIghting: Please refer to this FAQ
OS：Win10 x64, Win 11
Description：
1. Support 4K144: Please use Streaming Center V1.6.31.2 or later
2. Support 5.1 multi-channel audio capture and pass-through: Please use Streaming Center V1.6.31.2 or AVerMedia Multichannel audio (OBS Plugin)
3. Support Windows Dynamic LIghting: Please refer to this FAQ
Version：GC553G2 FW Update Tool_1.0.6.7
OS：Win10 x64, Win 11
Description：
1. Optimized pass-through screen compatibility issues.
2. Resolved occasional low-frequency noise issues during headphone monitoring.
3. Support RGB24 4Kp30 recording (Notes: Please switch to HDMI 2.0 option in Gaming Utility).
OS：Win10 x64, Win 11
Description：
1. Optimized pass-through screen compatibility issues.
2. Resolved occasional low-frequency noise issues during headphone monitoring.
3. Support RGB24 4Kp30 recording (Notes: Please switch to HDMI 2.0 option in Gaming Utility).
Version GC553G2 FW Update Tool_1.0.6.7
OS: macOS 13, macOS 14 or later
Description:
1. Optimized pass-through screen compatibility issues.
2. Resolved occasional low-frequency noise issues during headphone monitoring.
OS: macOS 13, macOS 14 or later
Description:
1. Optimized pass-through screen compatibility issues.
2. Resolved occasional low-frequency noise issues during headphone monitoring.