Problems streaming FLAC (Center channel low volume)

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Problems streaming FLAC (Center channel low volume)

Postby CTRLBREAK » Sat Sep 19, 2009 2:42 am

Hi,

I'm trying to stream an mkv file with FLAC audio to my PS3.

The video playback works perfectly. As for the audio it does play but my center channel is very faint compared to other channels so the voices are being almost muted.

I'm using v1.10.51 with MEncoder and MPlayer with DTS/FLAC to LPCM enabled.

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L5.1
Format settings, CABAC : Yes
Format settings, ReFrames : 8 frames
Muxing mode : Container profile=Unknown@5.1
Codec ID : V_MPEG4/ISO/AVC
Duration : 1h 23mn
Width : 1 904 pixels
Height : 1 072 pixels
Display aspect ratio : 16:9
Original display aspect ratio : 16:9
Frame rate : 23.976 fps
Resolution : 24 bits
Colorimetry : 4:2:0
Scan type : Progressive
Title : Ghost in the Shell 2.0 (1080p H.264)
Writing library : x264 core 65 r1057 5f8a149

Audio
ID : 2
Format : FLAC
Format/Info : Free Lossless Audio Codec
Codec ID : A_FLAC
Duration : 1h 23mn
Bit rate mode : Variable
Channel(s) : 7 channels
Sampling rate : 48.0 KHz
Resolution : 16 bits
Title : 6.1 FLAC
Writing library : libFLAC 1.2.0 (UTC 2007-07-15)
Language : Japanese

Text
ID : 3
Format : ASS
Codec ID : S_TEXT/ASS
Codec ID/Info : Advanced Sub Station Alpha
Title : Styled subtitles
Language : English

Any input would be very appreciated.

Thanks.
CTRLBREAK
 
Posts: 2
Joined: Sat Sep 19, 2009 2:28 am

Re: Problems streaming FLAC (Center channel low volume)

Postby CTRLBREAK » Sat Sep 19, 2009 6:07 pm

By the way the file plays correctly on my computer...

Thanks.
CTRLBREAK
 
Posts: 2
Joined: Sat Sep 19, 2009 2:28 am

Re: Problems streaming FLAC (Center channel low volume)

Postby PeterK » Sun Sep 20, 2009 12:29 pm

I just googled for this and wanted to say I'm experiencing the same problem but on other formats. My center channel plays very low and I remember this happening on other movies some days ago but then it wasn't as annoying as this one.

I downmix to 2-channel stereo so I dont have a AVR-reciever I can boost channels individually in. I'll hit back if I find some more info on this.


1- Windows 7, 1.10.50 PS3MS
2- 100mbit Ethernet wired thru switch.
3- Streaming to PS3
4- MEncoder for video & Audio High Fidelity for sound (tho from previous experience of low center sound it was MPlayer, but MPlayer didn't work at all on this movie)
5- Sound from the center channel (notably dialogue/speech) is very low compared to other channels.
6- A debug.log file excerpt or the whole file (needs to be zipped to attach). This file can be found in the application directory, but if you have Vista/Win7 with UAC activated it's likely found in the Windows temp directory. Also, posting the text output from MediaInfo can usually help figure out what's going on.

General
Format : AVI
Format/Info : Audio Video Interleave
File size : 16.2 MiB
Duration : 1mn 11s
Overall bit rate : 1 889 Kbps
Writing application : VirtualDubMod 1.5.10.2 (build 2540/release)
Writing library : VirtualDubMod build 2540/release

Video
ID : 0
Format : MPEG-4 Visual
Format profile : AdvancedSimple@L5
Format settings, BVOP : Yes
Format settings, QPel : No
Format settings, GMC : No warppoints
Format settings, Matrix : Custom
Codec ID : XVID
Codec ID/Hint : XviD
Duration : 1mn 11s
Bit rate : 1 430 Kbps
Width : 720 pixels
Height : 384 pixels
Display aspect ratio : 1.875
Frame rate : 25.000 fps
Resolution : 24 bits
Colorimetry : 4:2:0
Scan type : Progressive
Bits/(Pixel*Frame) : 0.207
Stream size : 12.3 MiB (76%)
Writing library : XviD 1.2.1 (UTC 2008-12-04)

Audio
ID : 1
Format : AC-3
Format/Info : Audio Coding 3
Codec ID : 2000
Duration : 1mn 11s
Bit rate mode : Constant
Bit rate : 448 Kbps
Channel(s) : 6 channels
Channel positions : Front: L C R, Surround: L R, LFE
Sampling rate : 48.0 KHz
Video delay : 24ms
Stream size : 3.84 MiB (24%)
Alignment : Split accross interleaves
Interleave, duration : 40 ms (1.01 video frame)
Interleave, preload duration : 500 ms
PeterK
 
Posts: 3
Joined: Sun Sep 20, 2009 11:54 am

Re: Problems streaming FLAC (Center channel low volume)

Postby kamran77 » Thu Dec 06, 2012 10:32 pm

I was having the same problem so I started experimenting with all settings. Disabling all audio worked for me. See attached
Attachments
Capture.PNG
See this
Capture.PNG (57.24 KiB) Viewed 610 times
kamran77
 
Posts: 2
Joined: Thu Dec 06, 2012 10:29 pm


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