Question / Help Mic Echoes when OBS is open

KarinKhaotic

New Member
My microphone sounds dry and clean but as soon as I open OBS i hear an echo. Its a short echo following any sounds from the mic. Desktop sounds do not echo. This echo is present even when all channels on the Mixer are muted.
I do NOT have any filters (effects) on my mic in OBS.

My set up:

I use IShowU (similar to Sound Flower). I have my desktop sounds set to IShowU to record my computer games. My mic comes through that channel as well for some reason.

For my microphone I have it set to my interface: Scarlet 2i2. Only mic comes through there as it should.

So essentially i have 2 problems:

1 Microphone is also in my desktop sounds.

2 Microphone echoes with OBS

Please help!

My Specs:

https://hastebin.com/quveveguve

OBS 21.1.1-modified (mac) log file uploaded at 2018-08-07, 21:19:57

20:56:14.154: CPU Name: Intel(R) Core(TM) i5-7500 CPU @ 3.40GHz
20:56:14.154: CPU Speed: 3400MHz
20:56:14.154: Physical Cores: 4, Logical Cores: 4
20:56:14.154: Physical Memory: 8192MB Total
20:56:14.154: OS Name: Mac OS X (NSMACHOperatingSystem)
20:56:14.154: OS Version: Version 10.13.6 (Build 17G65)
20:56:14.154: Kernel Version: 17.7.0
20:56:14.157: hotkeys-cocoa: Using layout 'com.apple.keylayout.US'
20:56:14.157: Portable mode: false
20:56:14.282: OBS 21.1.1-modified (mac)
20:56:14.282: ---------------------------------
20:56:14.283: ---------------------------------
20:56:14.283: audio settings reset:
20:56:14.283: samples per sec: 44100
20:56:14.283: speakers: 2
20:56:14.285: ---------------------------------
20:56:14.285: Initializing OpenGL...
20:56:14.303: Loading up OpenGL on adapter ATI Technologies Inc. AMD Radeon Pro 570 OpenGL Engine
20:56:14.303: OpenGL loaded successfully, version 4.1 ATI-1.68.20, shading language 4.10
20:56:14.355: ---------------------------------
20:56:14.355: video settings reset:
20:56:14.355: base resolution: 1920x1080
20:56:14.355: output resolution: 1280x720
20:56:14.355: downscale filter: Bicubic
20:56:14.355: fps: 60/1
20:56:14.355: format: NV12
20:56:14.355: YUV mode: 601/Partial
20:56:14.355: Audio monitoring device:
20:56:14.355: name: Default
20:56:14.355: id: default
20:56:14.355: ---------------------------------
20:56:14.559: No blackmagic support
20:56:14.638: [VideoToolbox encoder]: Adding VideoToolbox H264 encoders
20:56:14.698: os_dlopen(/Applications/VLC.app/Contents/MacOS/lib/libvlc.5.dylib->/Applications/VLC.app/Contents/MacOS/lib/libvlc.5.dylib): dlopen(/Applications/VLC.app/Contents/MacOS/lib/libvlc.5.dylib, 1): image not found
20:56:14.698:
20:56:14.698: Couldn't find VLC installation, VLC video source disabled
20:56:14.700: Failed to load 'en-US' text for module: 'obs-browser.so'
20:56:14.700: [browser_source: 'Version: 1.31.0']
20:56:14.700: ---------------------------------
20:56:14.700: Loaded Modules:
20:56:14.700: obs-browser.so
20:56:14.700: vlc-video.so
20:56:14.700: text-freetype2.so
20:56:14.700: rtmp-services.so
20:56:14.700: obs-x264.so
20:56:14.700: obs-vst.so
20:56:14.700: obs-transitions.so
20:56:14.700: obs-outputs.so
20:56:14.700: obs-filters.so
20:56:14.700: obs-ffmpeg.so
20:56:14.700: mac-vth264.so
20:56:14.700: mac-syphon.so
20:56:14.700: mac-decklink.so
20:56:14.700: mac-capture.so
20:56:14.700: mac-avcapture.so
20:56:14.700: linux-jack.so
20:56:14.700: image-source.so
20:56:14.700: frontend-tools.so
20:56:14.700: coreaudio-encoder.so
20:56:14.700: ---------------------------------
20:56:14.700: ==== Startup complete ===============================================
20:56:14.719: All scene data cleared
20:56:14.719: ------------------------------------------------
20:56:14.774: coreaudio: device 'Scarlett 2i2 USB' initialized
20:56:14.842: adding 23 milliseconds of audio buffering, total audio buffering is now 23 milliseconds
20:56:14.870: adding 23 milliseconds of audio buffering, total audio buffering is now 46 milliseconds
20:56:14.893: adding 23 milliseconds of audio buffering, total audio buffering is now 69 milliseconds
20:56:14.917: adding 23 milliseconds of audio buffering, total audio buffering is now 92 milliseconds
20:56:14.940: adding 23 milliseconds of audio buffering, total audio buffering is now 116 milliseconds
20:56:14.964: adding 23 milliseconds of audio buffering, total audio buffering is now 139 milliseconds
20:56:14.987: adding 23 milliseconds of audio buffering, total audio buffering is now 162 milliseconds
20:56:15.011: adding 23 milliseconds of audio buffering, total audio buffering is now 185 milliseconds
20:56:15.035: adding 23 milliseconds of audio buffering, total audio buffering is now 208 milliseconds
20:56:15.062: adding 23 milliseconds of audio buffering, total audio buffering is now 232 milliseconds
20:56:15.086: adding 23 milliseconds of audio buffering, total audio buffering is now 255 milliseconds
20:56:15.112: adding 23 milliseconds of audio buffering, total audio buffering is now 278 milliseconds
20:56:15.136: adding 23 milliseconds of audio buffering, total audio buffering is now 301 milliseconds
20:56:15.162: adding 23 milliseconds of audio buffering, total audio buffering is now 325 milliseconds
20:56:15.186: adding 23 milliseconds of audio buffering, total audio buffering is now 348 milliseconds
20:56:15.213: adding 23 milliseconds of audio buffering, total audio buffering is now 371 milliseconds
20:56:15.213: adding 23 milliseconds of audio buffering, total audio buffering is now 394 milliseconds
20:56:15.239: adding 23 milliseconds of audio buffering, total audio buffering is now 417 milliseconds
20:56:15.263: adding 23 milliseconds of audio buffering, total audio buffering is now 441 milliseconds
20:56:15.287: adding 23 milliseconds of audio buffering, total audio buffering is now 464 milliseconds
20:56:15.311: adding 23 milliseconds of audio buffering, total audio buffering is now 487 milliseconds
20:56:15.335: adding 23 milliseconds of audio buffering, total audio buffering is now 510 milliseconds
20:56:15.359: adding 23 milliseconds of audio buffering, total audio buffering is now 534 milliseconds
20:56:15.383: adding 23 milliseconds of audio buffering, total audio buffering is now 557 milliseconds
20:56:15.411: adding 23 milliseconds of audio buffering, total audio buffering is now 580 milliseconds
20:56:15.434: adding 23 milliseconds of audio buffering, total audio buffering is now 603 milliseconds
20:56:15.457: adding 23 milliseconds of audio buffering, total audio buffering is now 626 milliseconds
20:56:15.480: adding 23 milliseconds of audio buffering, total audio buffering is now 650 milliseconds
20:56:15.504: adding 23 milliseconds of audio buffering, total audio buffering is now 673 milliseconds
20:56:15.527: adding 23 milliseconds of audio buffering, total audio buffering is now 696 milliseconds
20:56:15.553: adding 23 milliseconds of audio buffering, total audio buffering is now 719 milliseconds
20:56:15.879: Last log entry repeated for 13 more lines
20:56:15.879: Max audio buffering reached!
20:56:15.879: adding 23 milliseconds of audio buffering, total audio buffering is now 1044 milliseconds
20:56:17.498: coreaudio: device 'Scarlett 2i2 USB' initialized
20:56:17.914: my face: Selected device 'FaceTime HD Camera (Built-in)'
20:56:17.920: my face: Using preset High
20:56:18.358: coreaudio: device 'iShowU Audio Capture' initialized
20:56:18.622: coreaudio: device 'iShowU Audio Capture' initialized
20:56:18.627: coreaudio: device 'iShowU Audio Capture' initialized
20:56:18.640: Failed to open file '/Users/arianastrait/Desktop/karen twitch stream khaos kulture face frame.png': No such file or directory
20:56:18.640: gs_image_file_init: Failed to load file '/Users/arianastrait/Desktop/karen twitch stream khaos kulture face frame.png'
20:56:18.640: [image_source: 'Border/Name'] failed to load texture '/Users/arianastrait/Desktop/karen twitch stream khaos kulture face frame.png'
20:56:18.853: Switched to scene 'Life Is Strange Set Up'
20:56:18.854: ------------------------------------------------
20:56:18.854: Loaded scenes:
20:56:18.854: - scene 'Life Is Strange Set Up':
20:56:18.854: - source: 'game window' (window_capture)
20:56:18.854: - source: 'ps3' (window_capture)
20:56:18.854: - source: 'my face' (av_capture_input)
20:56:18.854: - filter: 'Color Correction' (color_filter)
20:56:18.854: - filter: 'Sharpen' (sharpness_filter)
20:56:18.854: - filter: 'Apply LUT' (clut_filter)
20:56:18.854: - filter: 'Color Correction 2' (color_filter)
20:56:18.854: - source: 'StreamLabs Alerts' (browser_source)
20:56:18.854: - source: 'Viewer Count' (browser_source)
20:56:18.854: - source: 'border/name' (image_source)
20:56:18.854: - source: 'top bar overlay' (image_source)
20:56:18.854: - source: 'recent follower' (text_ft2_source)
20:56:18.854: - source: 'recent donator' (text_ft2_source)
20:56:18.854: - source: 'follower goal' (browser_source)
20:56:18.854: - source: 'game audio (LIS)' (coreaudio_input_capture)
20:56:18.854: - source: 'blue mic' (coreaudio_input_capture)
20:56:18.854: - monitoring: monitor and output
20:56:18.854: - scene 'Be Right Back':
20:56:18.854: - source: 'game window' (window_capture)
20:56:18.854: - source: 'my face' (av_capture_input)
20:56:18.854: - filter: 'Color Correction' (color_filter)
20:56:18.854: - filter: 'Sharpen' (sharpness_filter)
20:56:18.854: - filter: 'Apply LUT' (clut_filter)
20:56:18.854: - filter: 'Color Correction 2' (color_filter)
20:56:18.854: - source: 'StreamLabs Alerts' (browser_source)
20:56:18.854: - source: 'Viewer Count' (browser_source)
20:56:18.855: - source: 'border/name' (image_source)
20:56:18.855: - source: 'top bar overlay' (image_source)
20:56:18.855: - source: 'game audio (LIS)' (coreaudio_input_capture)
20:56:18.855: - source: 'blue mic' (coreaudio_input_capture)
20:56:18.855: - monitoring: monitor and output
20:56:18.855: - source: 'recent follower' (text_ft2_source)
20:56:18.855: - source: 'recent donator' (text_ft2_source)
20:56:18.855: - source: 'follower goal' (browser_source)
20:56:18.855: - source: 'Be Right Back tape' (image_source)
20:56:18.855: - scene 'Starting soon countdown':
20:56:18.855: - source: 'Starting Soon' (image_source)
20:56:18.855: - source: 'countdown' (text_ft2_source)
20:56:18.855: - source: 'Viewer Count' (browser_source)
20:56:18.855: - scene 'End Screen':
20:56:18.855: - source: 'Thanks for Watching' (image_source)
20:56:18.855: - scene 'Hollow Knight Set Up':
20:56:18.855: - source: 'Window Capture 3' (window_capture)
20:56:18.855: - source: 'Audio Input Capture' (coreaudio_input_capture)
20:56:18.855: - source: 'Audio Input Capture 2' (coreaudio_input_capture)
20:56:18.855: - source: 'my face' (av_capture_input)
20:56:18.855: - filter: 'Color Correction' (color_filter)
20:56:18.855: - filter: 'Sharpen' (sharpness_filter)
20:56:18.855: - filter: 'Apply LUT' (clut_filter)
20:56:18.855: - filter: 'Color Correction 2' (color_filter)
20:56:18.855: - source: 'Border/Name' (image_source)
20:56:18.855: - source: 'StreamLabs Alerts' (browser_source)
20:56:18.855: - source: 'Viewer Count' (browser_source)
20:56:18.855: - source: 'border/name' (image_source)
20:56:18.855: ------------------------------------------------
21:11:24.489: coreaudio: device 'Built-in Microphone' initialized
21:11:24.494: Settings changed (audio)
21:11:24.494: ------------------------------------------------
21:14:28.172: ---------------------------------
21:14:28.172: video settings reset:
21:14:28.172: base resolution: 1920x1080
21:14:28.172: output resolution: 1280x720
21:14:28.172: downscale filter: Bicubic
21:14:28.172: fps: 60/1
21:14:28.172: format: NV12
21:14:28.172: YUV mode: 601/Partial
21:14:28.173: Settings changed (audio, advanced)
21:14:28.173: ------------------------------------------------
 

Narcogen

Active Member
Is audio monitoring on? Where is it sending its output?

Ok it looks like it is set to default audio. Are you capturing that?
 

KarinKhaotic

New Member
I went back again and clicked on the monitors and re-clicked them all off. I also made an adjustment to my TC-Helicon (my mic fx box).

No more delay or echo!
 
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