Hello, this is my first post, so if this doesn't belong here I'm deeply sorry.
My Problem:
I was recording a Livestream with the "open Broadcaster Software" and upon reviewing the footage I realized that the sound didn't play.
The Encoding settings for the audio are mp3 128bit.
The File itself is a mp4 File
MediaInfo has this to say:
Premiere Pro doesn't recognize the audio, VLC crashes and Audacity can't open the file.General
Complete name : G:\recording\w1\recording (19).mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom
File size : 5.51 GiB
Duration : 4h 58mn
Overall bit rate : 2 639 Kbps
Encoded date : UTC 2014-01-05 18:19:29
Tagged date : UTC 2014-01-05 18:19:29
Writing application : Open Broadcaster Software v0.592b
Video
ID : 2
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Main@L4.0
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Muxing mode : Container profile=High@3.1
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 4h 58mn
Source duration : 4h 58mn
Bit rate : 2 500 Kbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Variable
Frame rate : 30.000 fps
Minimum frame rate : 29.412 fps
Maximum frame rate : 30.303 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.040
Stream size : 5.22 GiB (95%)
Source stream size : 5.22 GiB (95%)
Writing library : x264 core 140 r2380 3dcf6e2
Encoding settings : cabac=1 / ref=1 / deblock=1:0:0 / analyse=0x1:0x111 / me=hex / subme=2 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=0 / 8x8dct=0 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=0 / threads=12 / lookahead_threads=4 / 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=1 / keyint=60 / keyint_min=6 / scenecut=40 / intra_refresh=0 / rc_lookahead=10 / rc=cbr / mbtree=1 / bitrate=2500 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / vbv_maxrate=2500 / vbv_bufsize=2500 / nal_hrd=none / filler=1 / ip_ratio=1.40 / aq=1:1.00
Encoded date : UTC 2014-01-05 18:19:29
Tagged date : UTC 2014-01-05 18:19:29
Color primaries : BT.709
Transfer characteristics : sYCC
Matrix coefficients : BT.709
mdhd_Duration : 17937466
Audio
ID : 1
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 3
Codec ID : 6B
Duration : 4h 58mn
Source duration : 4h 58mn
Bit rate mode : Constant
Bit rate : 128 Kbps
Channel(s) : channel0
Original Channel count : 2 channels
Sampling rate : 44.1 KHz
Compression mode : Lossy
Stream size : 274 MiB (5%)
Source stream size : 274 MiB (5%)
Writing library : LAME3.99.5
Encoded date : UTC 2014-01-05 18:19:29
Tagged date : UTC 2014-01-05 18:19:29
Only the SMPlayer plays both audio and video correctly.
Is there a way to 'save' the recording (extract the sound for further editing)?
Every little bit of help is greatly appreciated
Best wishes
diocloid
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Try demux/extract the audio with mymp4boxgui or Pazera Free Audio Extractor.
Last edited by Baldrick; 6th Jan 2014 at 17:32.
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