GC553
Live Gamer ULTRA
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Firmware(Mac)
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Plugin(macOS)
Plugin(Win)
Assist Central
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Connect (Win)
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Certificates
Version: AssistCentralPro_v4.0.73
OS : macOS 14, macOS 15
Description:
1. Support for EDID Merge, Copy, and Internal mode changes has been added for the following models:
GC515, GC553G2, GC553Pro, GC575, GC571, GC573, GC570D
Support for EDID Merge and Internal mode changes has been added for GC551G2 (requires firmware ver. 1.2.6.1)
*Note: For more information on EDID modes, refer to this FAQ
2. Fixed issue: When Nitendo Switch 2 was set to 1440p60 and when GC551G2 passthrough was connected to certain monitors, Assist Central Pro displayed incorrect input resolution.
Version: AssistCentralPro_v4.0.73
OS : Win10 x64,Win 11
Description:
1. Support for EDID Merge, Copy, and Internal mode changes has been added for the following models:
GC515, GC553G2, GC553Pro, GC575, GC571, GC573, GC570D
Support for EDID Merge and Internal mode changes has been added for GC551G2 (requires firmware ver. 1.2.6.1)
*Note: For more information on EDID modes, refer to this FAQ
2. Fixed issue: When Nitendo Switch 2 was set to 1440p60 and when GC551G2 passthrough was connected to certain monitors, Assist Central Pro displayed incorrect input resolution.
OS : Win10 x64,Win 11
Description:
1. Support for EDID Merge, Copy, and Internal mode changes has been added for the following models:
GC515, GC553G2, GC553Pro, GC575, GC571, GC573, GC570D
Support for EDID Merge and Internal mode changes has been added for GC551G2 (requires firmware ver. 1.2.6.1)
*Note: For more information on EDID modes, refer to this FAQ
2. Fixed issue: When Nitendo Switch 2 was set to 1440p60 and when GC551G2 passthrough was connected to certain monitors, Assist Central Pro displayed incorrect input resolution.
Version：AVerMedia Streaming Center (Win) v1.6.53.1
OS：Win10 x64, Win 11
Supported Models:
GC311G2, BU113G2, GC553Pro, GC515, GC531, GC535, GC551G2, GC553, GC553G2, GC570D, GC571, GC573, GC575, GC311, BU113, PW310P, PW313, PW313D, PW315, PW513, PW515, AM310, AM310G2, AM350
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
Supported Models:
GC311G2, BU113G2, GC553Pro, GC515, GC531, GC535, GC551G2, GC553, GC553G2, GC570D, GC571, GC573, GC575, GC311, BU113, PW310P, PW313, PW313D, PW315, PW513, PW515, AM310, AM310G2, AM350
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：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 (e.g., PS5, Xbox series X) while NOT support 5.1 LPCM(Switch): 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(e.g., PS5, Xbox series X) while NOT support 5.1 LPCM(Switch):: 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 (e.g., PS5, Xbox series X) while NOT support 5.1 LPCM(Switch): 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(e.g., PS5, Xbox series X) while NOT support 5.1 LPCM(Switch):: 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：[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 LiveGamerULTRAUpdate_v1.5.13.1
OS: macOS 13.x & macOS 14.x
Description:
1.Fixed instability issues with specific DSLR inputs
2.Fixed MAC system device re-plugging affecting GC553 video feed
OS: macOS 13.x & macOS 14.x
Description:
1.Fixed instability issues with specific DSLR inputs
2.Fixed MAC system device re-plugging affecting GC553 video feed
Version LiveGamerULTRAUpdate_v1.5.13.1
OS: Win10 x64, Win11 x64
Description:
Fixed instability issues with specific DSLR inputs
Note: If your GC553 is not recognized during the firmware update process, you can try running this tool to see if it can recover the device.
OS: Win10 x64, Win11 x64
Description:
Fixed instability issues with specific DSLR inputs
Note: If your GC553 is not recognized during the firmware update process, you can try running this tool to see if it can recover the device.
Version LiveGamerULTRAUpdate_v1.5.12.2
OS: macOS 13.x & macOS 14.x
Description: Optimize some compatibility issues with some DSLRs (Video processing)
OS: macOS 13.x & macOS 14.x
Description: Optimize some compatibility issues with some DSLRs (Video processing)
Version LiveGamerULTRAUpdate_v1.5.12.2
OS: Win10 x64, Win11 x64
Description:
1. Optimize some compatibility issues with some DSLRs (Video processing)
2. After a firmware update failure on the GC553, unplugging and replugging the GC553 and rerunning this version of the firmware update tool can fix the update failure issue
OS: Win10 x64, Win11 x64
Description:
1. Optimize some compatibility issues with some DSLRs (Video processing)
2. After a firmware update failure on the GC553, unplugging and replugging the GC553 and rerunning this version of the firmware update tool can fix the update failure issue
Version LiveGamerULTRAUpdate_1.4.9.7
OS macOS 12.x & macOS 13.x
Description
1 Support macOS 13.x
2 Modified for UVC auto select correct framerate.(update default Frame Interval)
OS macOS 12.x & macOS 13.x
Description
1 Support macOS 13.x
2 Modified for UVC auto select correct framerate.(update default Frame Interval)
Version：[Application] Diagnosis Tool v2.0.1.13
OS：Win10 x64,Win11
Description：
New model GC551G2 support
OS：Win10 x64,Win11
Description：
New model GC551G2 support
- Version：v2.0.1.5
- OS：Win10 x64
- Description：
1. Support software updates through internet.
2. Support sending test result for unknown platform.
- Version：StreamEngine v2.0.0.36
- OS：Win10 x64
- Description：
Modified localized strings.
Modified device name.