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Tool Description Type Rating Comment



eac3to is able to convert E-AC3, TrueHD, PCM and DTS-HD audio tracks to AC3, DTS or FLAC. Converts E-AC3, TrueHD, PCM, DTS-HD and FLAC tracks to AC3/DTS/FLAC. Removes Dialog Normalization from AC3, E-AC3, DTS and TrueHD tracks. Extracts AC3 frames from Blu-Ray AC3/TrueHD tracks. Extracts DTS core from DTS-HD tracks. Can remux the video track of a EVO/VOB source to Matroska(mkv). Command line tool but GUI also available. Requires external audio decoders. Full description.

Freeware
Win Win

Version:3.27 History
Released:

Size:4.9MB

Portable version



9.5/10
7 votes


Guides
Read 7
comments

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  Latest version:
3.27 (January 06, 2013)


Download sites:
Visit developer's site

Download eac3to 3.27 (direct link) (4.9MB) (Portable)


More download options:
Download eac3to 3.27 from another mirror site (direct link)



Download eac3to old versions


Supported operating systems:
Windows


More information and other downloads:
Download Eac3to and More GUI here, main eac3to gui. The GUI may be reported as a virus in some antivirus programs but it is NOT.

Download HD-DVD/Blu-Ray Stream Extractor here, extract streams using eac3to. Place it in the same folder as the eac3to.exe.

Download Clown BD here, another eac3to gui

All the above GUIs are also included in our eac3to 3.24 mirror download.


Sections/Browse similar tools:
Audio EncodersOther useful toolsVideo De/Multiplexers

eac3to screenshot
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User options:
Email me when it has been updated    Report this tool (dead link/new version)  


Version history / Release notes / Changelog:
v3.27
* fixed: raw processing cut away 16 samples sometimes

View full changelog



All features / Full description:
- can show information about audio, video, VOB/EVO/(M2)TS and MKV files
- can decode and encode various audio formats
- can remove dialog normalization from AC3, E-AC3, DTS and TrueHD tracks
- can extract AC3 stream from Blu-Ray TrueHD/AC3 tracks
- can extract TrueHD stream from Blu-Ray TrueHD/AC3 tracks
- can extract DTS core from DTS-HD tracks
- can remove DTS zero padding and repair outdated DTS-ES headers
- can apply positive or negative audio delays
- can reduce bitdepth of decoded audio data by using TPDF dithering
- can resample decoded audio data (using SSRC or r8brain)
- can apply/reverse PAL speedup on decoded audio data (SSRC/r8brain)
- can demux video / audio tracks of EVO/VOB/(M2)TS and MKV sources
- can list available titles of Blu-Ray and HD DVD discs
- can extract Blu-Ray and HD DVD chapter information and subtitles
- can mux MPEG2, VC-1 and h264 video tracks to Matroska
- can remove pulldown flags from MPEG2, VC-1 and h264 video tracks

eac3to sourcefile[+sourcefile2] [trackno:] [destfile|stdout] [-options]

Examples:
eac3to source.pcm destination.flac
eac3to source.thd destination.flac destination.ac3
eac3to source.evo 1: chapters.txt 2: video.mkv 3: audio.flac 5: subtitle.sup
eac3to feature_1.evo+feature_2.evo movie.mkv
eac3to blurayMovieFolder movie.mkv

Options:
-448 use e.g. "192", "448" or "640" kbps for AC3 encoding
-768 use "768" or "1536" kbps for DTS encoding
-core extract the DTS core of a DTS-HD track
+/-100ms apply a positive or negative audio delay
+/-3dB apply a positive or negative audio gain (volume change)
-0,1,2,3,4,5 remap the channels to the specified order
-edit=0:00:00,0ms loops or removes audio data at the specified runtime
-silence/-loop forces usage of silence (or looping) for audio edits
-down6 downmix 7 or 8 channels to 6 channels
-down2 downmix multi channel audio to stereo (Dolby Pro Logic II)
-phaseShift shift phase (when doing stereo downmixing, see "down2")
-mixlfe mix LFE in (when doing stereo downmixing, see "down2")
-down16 downconvert decoded audio data to 14..23 bit
-slowdown convert 25.000 and 24.000 content to 23.976 fps
-speedup convert 23.976 and 24.000 content to 25.000 fps
-23.976/... define source fps to be "23.976", "24.000", "25.000", ...
-changeTo24.000 change source fps to "23.976", "24.000", "25.000", ...
-resampleTo48000 resample audio to "44100", "48000" or "96000" Hz
-r8brain use r8brain resampler instead of SSRC
-quality=0.50 Nero AAC encoding quality (0.00 = lowest; 1.00 = highest)
-8 define PCM file to be "1".."8" channels
-16 define PCM file to be "16" or "24" bit
-little define PCM file to be "little" or "big" endian
-96000 define PCM file to be 44100, 48000, 96000 or 192000 Hz
-override forcefully overrides PCM auto detection with manual values
-sonic/nero/... force the use of a specific decoder (not recommended)
-keepDialnorm disables dialog normalization removal (not recommended)
-decodeHdcd decodes HDCD source track (usually 16 -> 20 bit)
-demux demuxes 1st video track and all audio and subtitle tracks
-stripPulldown strips the pulldown from MPEG2 video tracks
-keepPulldown disable removal of pulldown for MPEG2, h264 and VC-1 tracks
-seekToIFrames make all h264/AVC "I" frames seekable
-check checks if the source EVO/(M2)TS file is clean.
-test checks if the external filters are installed & working
-lowPriority moves processing to background/idle priority
-shutdown automatically shutdown the PC after processing is done

Supported source formats:
(1) RAW, (L)PCM
(2) WAV (PCM, DTS and AC3), W64, RF64
(3) AC3, E-AC3
(4) DTS, DTS-ES, DTS-96/24, DTS-HD Hi-Res, DTS-HD Master Audio
(5) MP1, MP2, MP3 audio
(6) AAC audio
(7) MLP, TrueHD, TrueHD/AC3
(8) FLAC
(9) EVO/VOB/(M2)TS and MKV

Decoded audio data can be stored as / encoded to:
(1) RAW, (L)PCM
(2) WAV (PCM only), W64, RF64, AGM
(3) WAVs (multiple mono WAV files, PCM only)
(4) AC3
(5) DTS
(6) AAC
(7) FLAC

For best AC3, E-AC3 and AAC decoding you need:
(1) Nero 7 (Nero 8 won't work!)
(2) Nero HD DVD / Blu-Ray plugin

For best DTS decoding you need:
(1) ArcSoft DTS Decoder - version 1.1.0.0 or newer

For DTS encoding you need:
(1) SurCode DVD DTS - version 1.0.21 or newer

For AAC encoding you need:
(1) Nero AAC Encoder

For video muxing you need:
(1) Haali Matroska Muxer





Guides and How to's:
From Blu-ray Disc (3D) to MKV, M4V for iOS/Apple TV and 3D SBS - Read
How to convert a Blu-ray disc into a .MKV 720P file - Read
How to extract subtitles from a Blu-ray and convert to srt or sub/idx - Read
How to Use eac3to - Read
View all guides with guide description here


Acronyms / Also Known As:
eac3togui, Eac3to and More GUI, HD-DVD/Blu-Ray Stream Extractor, HdBrStreamExtractor

Comments Post comment
7 comments, Showing 1 to 7 comments
 - 

excellent tool. highly recommended. I am currently using this for normalizing 24bit 96k wav files, but I can see myself using this flexible and reliable tool in many different ways.


Posted October 18, 2011 by . Tool version 3.24.0.0 using OS WinXP 64-bit
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10


everything works perfect ... the only remark I have is will be better to show percents for progress instead of 79 dashes


Posted August 01, 2010 by . Tool version 3.22 using OS Windows 7
Ease of use 10 of 10 Functionality 10 of 10 Value for money 1 of 10 Overall score 10 of 10


Absolutely outstanding.



Posted April 02, 2010 by . Tool version 3.18 using OS Windows 7
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10


THANK YOU !
But, why frame rate change has to be only between 25 and 23.976, only ???
I'm sure, we we have to expect more...
Thanks, again !!!




Posted January 25, 2010 by . Tool version 1.09 using OS Vista
Ease of use 10 of 10 Functionality 9 of 10 Value for money 10 of 10 Overall score 10 of 10


Excellent software


Posted December 28, 2009 by . Tool version 3.17 using OS WinXP
Ease of use 7 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10


Awesome tool for those of us who dont mind the command prompt. type in what to what and a q level and watch it do its thing. GREAT UTIL!!!!


Posted March 24, 2009 by . Tool version 3.14 using OS Vista 64-bit
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10


Awesome little utility... With the right decoder/encoders installed your set... Easier to use the command line instead of the add-on GUI. Can't believe noone has rated or commented on this tool yet.


Posted December 31, 2008 by . Tool version V2.87 using OS WinXP
Ease of use 9 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10

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