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AC3Filter |
AC3Filter is a high quality free audio decoder and processor filter. It allows media players to playback movies with AC3 and DTS audio tracks. Also it can process any audio track, much of processing options allows to adjust the sound in almost any way. It is possible to upmix any audio source to 6 channels. Filter can do multi-channel and digital (SPDIF) output. It can encode any audio source to AC3 on-the-fly and send it over SPDIF to the receiver.
Full description. |
Free software  Win  Released: Size:3.9MB |
8.9/10
6 votes Guides |
Read 6 comments 3686 views this month 6187930 total views |
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Latest version: 2.2a (May 14, 2012) Download sites: Visit developer's site More download options:
Supported operating systems: Windows
More information and other downloads: Download AC3Filter tools here or mirror direct link here, command-line tools with AC3 encoder and decoder, SPDIF format converter, parametric filter, graphic equalizer and more. Sections/Browse similar tools: Codecs |
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User options: Email me when it has been updated Report this tool (dead link/new version) Version history:
AC3Filter 2.2a View full changelog Released: 2012-05-14 Bugfix release OGG Vorbis support. ACM driver works again (was broken in v2.0a). Several bugs leading to crash fixed. All features / Full description: Playback:
* Watch movies with AC3 and DTS audio tracks * Listen multi-channel (AC3/DTS) AudioCD * Playback WAV files with AC3/DTS content, ripped from multi-channel AudioCD without any conversion of these files. * Playback raw .AC3 and DTS files (with help of AC3File filter) Process: * Up-mix any audio track (even plain stereo) up to 6 channels * Down-mix any audio track to any number of channels (to match your speaker configuration) * If you have an external Dolby ProLogic decoder, you may use ProLogic down-mix to help DPL decoder to extract surround information * Watch movies under poor hearing conditions (noisy environment, weak speakers, ...) * Decrease dynamic range to watch movies at night * Apply time shift to the audio track to synchronize audio with video. * Adjust gain of every input/output channel independently to compensate loudness differences * Adjust time delays for every channel to compensate different distances to loudspeakers. SPDIF output: * Passthrough AC3 and DTS over SPDIF without any change to external decoder * Encode any audio to AC3 and transmit it over SPDIF * USB sound cards supported
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with this update the filter no decompress ac3 audio in virtualdub or virtualdub mod.
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Tuesday, 17 April 2012 What a class release, What a perfection! - perfect 7.1 (8) channels surround sound decoder, and it's FREE plus Open Source! I LuV this Developer. Recently I was fixing my buddy's Windows system and came to know about features in this latest release. We literally started dancing when we blasted 8 channel video. I would like to consider this release either as a Mile Stone or a Hammer Blow b'coz "The World" of Encoders and Rippers is yet not ready for 7.1 channels Surround Sound. I am still fumbling for audio and video sync even in tuking two channels stereo. Here this decoder is 8 channels ready. Grrrrrrr! However few things about this release... 1) Sensitivity of LFE channel in Mixer Level Bar indicator seems little bit higher than other channels, or it may be my buddy's system residual noise. 2) It would be great if Mixer Input and Output indicator Bars are provided a separate tab (page) with half-half, so sensitivity and size of bars can be higher. At present tabs are Mixer, Gain, but Mixer, Level, Gain would be better, I guess. We already started enjoying this decoder up to maximum capacity. Bunch of Thanks! :)
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It requires 5.1 channel sound card to play 5.1 (6ch) surround sound. Otherwise set media players in stereo (2ch downmix) mode. If any one wanna test correct hook-up of surround sound speakers. Download following DD5.1 AC3 Test file download link : http://www.sendspace.com/file/77dqe6 (I can appreciate if above file can be hosted on VideoHelp itself in a misc.tools section.)
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I had this problem of volume way too low on my DVD playback. Finally, found the cure ! I'll make sure the word gets out ! PS Only problem is with the loads of functionnality that you can adjust for people who do not know much about it ;)
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Installed it and I was able to play DVDs using the standard DVD player software that accompanies W2K (SP4). That's what I needed and it worked as advertised. Probably could do some config if I had been so inclined but, frankly, it wasn't necessary. Don't you just love it when something so simple solves the problem? :D
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I just have one word to describe this AC-3 filter. Amazing. It is definitely a must have tool.
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