Half of my audio is muted when rendering

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johncaiwa

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Half of my audio is muted when rendering

PostSat Mar 02, 2024 3:50 pm

As you can see in the attached picture, there are two audio tracks. The bottom one is a voiceover.

In the timeline, the audio plays fine.

When I render, the top audio is muted. The bottom audio is delayed a second or so.

I have tried forum suggestions such as switching the audio to mono then back to stereo. Rendering as a MOV instead of MP4.

Nothing seems to work.

In another project, I split the clip into two separate videos. Strangely enough, the second part rendered fine but the first part had the same problems.
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タイトルなし.png
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Glenn Sakatch

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Re: Half of my audio is muted when rendering

PostSat Mar 02, 2024 4:13 pm

It looks like you have stereo clips with only audio on the left channel. You may want to check your mixer pan settings, or as others have suggested, bring it in as mono, but still check your pan settings.

I'm assuming you are doing a basic stereo output in the delivery tab.
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johncaiwa

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Re: Half of my audio is muted when rendering

PostSat Mar 02, 2024 4:59 pm

They both have stereo audio with two tracks, the top one and the small bottom one.

The parts you see with no audio wave have been muted by me. But the parts with the audio wave are muted after rendering.
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Andy Mees

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Re: Half of my audio is muted when rendering

PostSat Mar 02, 2024 7:35 pm

Not enough info John.
Post back with full details of the source clip : use the free MediaInfo app to get this. Whats the wrapper/container, codec, audio encoding etc. Where did the clip come from?
Provide details of the timeline instance's Clip Attributes > Audio settings.
Provide details of any built-in or third party audio effects applied at clip and/or track level.
Provide details on your Fairlight page audio routing.
And provide details of your Delivery page audio export settings.
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Charles Bennett

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Re: Half of my audio is muted when rendering

PostSun Mar 03, 2024 11:29 am

A full screen view of the page would be useful too.
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Jim Simon

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Re: Half of my audio is muted when rendering

PostSun Mar 03, 2024 2:54 pm

If it's only the export that is weird, try exporting a small section using the H.264 Master preset as a test. Report back.
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johncaiwa

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Re: Half of my audio is muted when rendering

PostThu Mar 14, 2024 12:48 pm

Andy Mees wrote:Not enough info John.
Post back with full details of the source clip : use the free MediaInfo app to get this. Whats the wrapper/container, codec, audio encoding etc. Where did the clip come from?
Provide details of the timeline instance's Clip Attributes > Audio settings.
Provide details of any built-in or third party audio effects applied at clip and/or track level.
Provide details on your Fairlight page audio routing.
And provide details of your Delivery page audio export settings.


Code: Select all
General
Complete name               : C:\Users\dharma\Desktop\GNNuGBimkqfEzx0BAKh0LtsgVx9SbmdjAAAF.mov
Format                      : MPEG-4
Format profile              : QuickTime
Codec ID                    : qt   0000.02 (qt  )
File size                   : 88.9 MiB
Duration                    : 15 min 26 s
Overall bit rate            : 805 kb/s
Frame rate                  : 29.970 FPS
Writing application         : Lavf59.17.101

Video
ID                          : 1
Format                      : AVC
Format/Info                 : Advanced Video Codec
Format profile              : High@L3.1
Format settings             : CABAC / 4 Ref Frames
Format settings, CABAC      : Yes
Format settings, Reference  : 4 frames
Codec ID                    : avc1
Codec ID/Info               : Advanced Video Coding
Duration                    : 15 min 26 s
Bit rate                    : 668 kb/s
Width                       : 852 pixels
Height                      : 480 pixels
Display aspect ratio        : 16:9
Frame rate mode             : Constant
Frame rate                  : 29.970 (29970/1000) FPS
Color space                 : YUV
Chroma subsampling          : 4:2:0
Bit depth                   : 8 bits
Scan type                   : Progressive
Bits/(Pixel*Frame)          : 0.054
Stream size                 : 73.7 MiB (83%)
Writing library             : x264 core 164 r3086 5585eaf
Encoding settings           : cabac=1 / ref=3 / deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=7 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=12 / lookahead_threads=2 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=crf / mbtree=1 / crf=23.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00
Codec configuration box     : avcC

Audio
ID                          : 2
Format                      : AAC LC
Format/Info                 : Advanced Audio Codec Low Complexity
Codec ID                    : mp4a-40-2
Duration                    : 15 min 26 s
Source duration             : 15 min 26 s
Source_Duration_LastFrame   : -19 ms
Bit rate mode               : Constant
Nominal bit rate            : 128 kb/s
Channel(s)                  : 2 channels
Channel layout              : L R
Sampling rate               : 48.0 kHz
Frame rate                  : 46.875 FPS (1024 SPF)
Compression mode            : Lossy
Source stream size          : 14.2 MiB (16%)
Default                     : Yes
Alternate group             : 1



Code: Select all
General
Complete name               : C:\Users\dharma\Desktop\voiceover.m4a
Format                      : MPEG-4
Format profile              : 3GPP Media Release 4
Codec ID                    : 3gp4 (isom/3gp4)
File size                   : 172 KiB
Duration                    : 4 s 480 ms
Overall bit rate mode       : Constant
Overall bit rate            : 315 kb/s
Encoded date                : 2024-02-28 14:31:11 UTC
Tagged date                 : 2024-02-28 14:31:11 UTC
com.android.version         : 9

Audio
ID                          : 1
Format                      : AAC LC
Format/Info                 : Advanced Audio Codec Low Complexity
Codec ID                    : mp4a-40-2
Duration                    : 4 s 480 ms
Bit rate mode               : Constant
Bit rate                    : 256 kb/s
Channel(s)                  : 2 channels
Channel layout              : L R
Sampling rate               : 48.0 kHz
Frame rate                  : 46.875 FPS (1024 SPF)
Compression mode            : Lossy
Stream size                 : 140 KiB (81%)
Title                       : SoundHandle
Language                    : English
Encoded date                : 2024-02-28 14:31:11 UTC
Tagged date                 : 2024-02-28 14:31:11 UTC



no 3rd party effects added
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johncaiwa

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  • Joined: Sat May 02, 2020 3:20 am
  • Real Name: John Linus

Re: Half of my audio is muted when rendering

PostThu Mar 14, 2024 12:54 pm

Charles Bennett wrote:A full screen view of the page would be useful too.
Attachments
スクリーンショット 2024-03-14 215234.png
スクリーンショット 2024-03-14 215234.png (352.37 KiB) Viewed 171 times

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