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  1. luvsql's Avatar
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    Default Playbook not support AC3 audio

    I have a bunch of avi files that will not play on my PLaybook (video awesome but no sound). I purchased an HDMI cable and can play only one of them with sound. I don't know of anyone that has an HD TV that does not have surround sound, which the AC3 audio format supports. Why would I have to pay for additional software to convert the audio down to mp3 (which is basic 2 speaker stereo) when the Playbook is designed for HDMI?

    Should there not be some soft of built in conversion tool to convert to mp3 if playing on the playbook and support AC3 when connected to HDMI? Seems silly to have to manually convert everything to watch on my PB (or literally have to test everything first).
  2. PedroBorgas's Avatar
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    Same here and i'm very upset with it.

    I bought an app to play MKV files, but it didnt work because most of those files have AC3 audio extensions...

    Have you an adapter to use the tv's hdmi?

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  3. varunsain's Avatar
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    Well, if you have a home theater then for that you have something called Blu-Ray discs which get you all the surround etc. via your HDMI. 20GB a movie.. No one expects you to stream that kind of stuff or have it on your PlayBook..

    Any which ways.. It's about licensing.. which obviously should not fall through.. just waste of some money to support piracy.. because ideally if you have AC3 data.. you should have the original source..

    anyways..

    There's Freemake which is free and converts to PlayBook supported format.. You can just keep the audio bitrate high in conversion and use Dolby PLII which basically converts your stereo input to surround output.. since you have Dolby support already for you wanting AC3..
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  4. varunsain's Avatar
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    Quote Originally Posted by PedroBorgas View Post
    Same here and i'm very upset with it.

    I bought an app to play MKV files, but it didnt work because most of those files have AC3 audio extensions...

    Have you an adapter to use the tv's hdmi?

    Sent from a old but beautiful BB 8520 or a new and shinny PB 2.0
    MKV support yes, for BB10 but unfortunately no AC3 even in BB10..

    Supported_Media_Types_on_BlackBerry_Tablets_(English).pdf
  5. samab's Avatar
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    It seems silly to not understand anything about AC3 and then complain about it.

    AC3 is a codec designed for very high bandwidth bitrate playback. It is not designed for low bitrate playback such as internet video --- therefore NONE of the legal internet video stores (i.e. netflix, itunes video stores) use AC3 for their movies. Since AC3 sucks a lot of bandwidth and not suitable for internet videos --- the audio chipset manufacturers never implemented AC3 on hardware. Since it is never implemented on hardware, it would have sucked a lot of battery to do the decoding in software.

    Dolby also wants a lot of money for AC3 licenses --- which NONE of the tablet makers/smartphone makers intended to pay (especially for a technology that is not suitable for portable devices).

    The only software that would be available on ipad/android --- are from one man app companies that grab some sort of open source ac3 decoder projects and basically illegally (i.e. without paying Dolby a licensing fee) distribute them onto the ipad/android app store. These one man app companies get away with it because they are too poor for Dolby to sue them.
  6. jvictor77's Avatar
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    There are several excellent free programs out there to convert video and audio to whatever you want...
    9000 > 9800 and now BB Z10 and 32GB PlayBook glued to my person!
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    Quote Originally Posted by varunsain View Post
    Well, if you have a home theater then for that you have something called Blu-Ray discs which get you all the surround etc. via your HDMI. 20GB a movie.. No one expects you to stream that kind of stuff or have it on your PlayBook..

    Any which ways.. It's about licensing.. which obviously should not fall through.. just waste of some money to support piracy.. because ideally if you have AC3 data.. you should have the original source..

    anyways..

    There's Freemake which is free and converts to PlayBook supported format.. You can just keep the audio bitrate high in conversion and use Dolby PLII which basically converts your stereo input to surround output.. since you have Dolby support already for you wanting AC3..
    This statement is pointless. I have tons of movies that i have ripped with AC3 5.1 support and they are no where close to the size of a full size bluray. Most and under 2 GBs in fact. It would be nice to be able to play them on a home theater where you can get full surround and also be able to play them on the PB without doing a conversion.
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  8. luvsql's Avatar
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    I just used the free converter. Now I have sound, but the video quality is now crap and dropped my 2Gb avi file down to 700mb. Ugh.
  9. rkennedy01's Avatar
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    The people who complain loudest about this issue tend to be content pirates who are upset that their latest torrented copy of "xyz summer blockbuster or booby/slasher flick" won't play on their PB. Oh, and they're probably about 15 years old, so...

    RCK (profiling miscreants since 1972)

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    Last edited by rkennedy01; 08-13-2012 at 10:35 AM.
  10. varunsain's Avatar
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    Quote Originally Posted by howarmat View Post
    This statement is pointless. I have tons of movies that i have ripped with AC3 5.1 support and they are no where close to the size of a full size bluray. Most and under 2 GBs in fact. It would be nice to be able to play them on a home theater where you can get full surround and also be able to play them on the PB without doing a conversion.

    You could have used the AAC format with surround sound. Even mp3 at 320 would do if you are using a Dolby receiver.

    AC3 is proprietary Dolby format and licensing will forever be an issue.

    Ripping should always be done in open source format for this very reason. If you know what you're doing, there should be no quality loss in the conversion.

    Are you ripping Blurays under 2GB?

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    Quote Originally Posted by howarmat View Post
    I have tons of movies that i have ripped with AC3 5.1 support and they are no where close to the size of a full size bluray. Most and under 2 GBs in fact. It would be nice to be able to play them on a home theater where you can get full surround and also be able to play them on the PB without doing a conversion.
    Why not mux in a second audio track of stereo then you have the best of both worlds.
  12. varunsain's Avatar
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    Quote Originally Posted by luvsql View Post
    I just used the free converter. Now I have sound, but the video quality is now crap and dropped my 2Gb avi file down to 700mb. Ugh.
    You have no idea what you doing.. I wonder how are you even going to differentiate between AC3 audio..

    Just choose mp4 in Freemake and pick the closest resolution to your existing file for the conversion. Right click, properties on the file and check resolution. In freemake pick the one same or lower than yours.

    You should have an mp4 file with supported audio codecs which will run on your playbook.

    Its not a good idea to play lot of movies from the playbook anyways.. Its your choice.

    If you have a external hdd or even a pen drive support on tv it's more suitable..
  13. varunsain's Avatar
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    Quote Originally Posted by FreeJACLive View Post
    Why not mux in a second audio track of stereo then you have the best of both worlds.
    Why not just use stereo in ripping and let prologic do the rest? Cause it's not like the original unless it's the original..
  14. Morten's Avatar
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    Quote Originally Posted by luvsql View Post
    I have a bunch of avi files that will not play on my PLaybook (video awesome but no sound). I purchased an HDMI cable and can play only one of them with sound. I don't know of anyone that has an HD TV that does not have surround sound, which the AC3 audio format supports.

    HDMI has nothing to do with AC3,

    and the PlayBook supports a variety of formats - that can give you 5.1 if you want...

    BlackBerry - Supported Media - Manuals and Guides

    also - IF you have a computer on your network, You should try "StreamingNow", which will convert on-the-fly most "normal" formats and combinations, and streams flawlessly to your PlayBook!
  15. luvsql's Avatar
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    1. I DO have a media centre (my Xbox) for streaming media at home.
    2. I do NOT have a Blu Ray player. Who wants to buy media and have to store them like I did with DVDs? Not me.
    3. I use the Playbook for travel. How annoying was it to try and watch the 3 movies I copied onto my Playbook on the plane without sound? Extremely.

    What I was basically saying was that of all the avi files I have downloaded, they have all been AC3, so obviously there seems to be some sort of standard for the majority of users out there. Would have been nice to actually watch/hear them on my playbook without having to take hours to convert them.

    I've tried the Avi type using the original video and it's now unwatchable. Trying the ipad 2 suggestion, which erks me just to have to choose that as an option (3 hours later still going).

    With a PC, if there's a codec issue, you just download a codec. If I can download a codec to my Playbook then I'm obviously missing something.
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    There are two free PC programs I use. MediaInfo will tell you what the audio and video codecs your file uses before transferring to your PB. The second is Xvid4PSP, which will allow you to convert a full length movie in 7 to 10 minutes. Set video to "copy" and audio to AAC (or MP3).
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  17. rkennedy01's Avatar
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    Where are you downloading all of these AVI files from? Torrents?

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  18. Angus_CB's Avatar
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    Quote Originally Posted by luvsql View Post
    1. I DO have a media centre (my Xbox) for streaming media at home.
    2. I do NOT have a Blu Ray player. Who wants to buy media and have to store them like I did with DVDs? Not me.
    3. I use the Playbook for travel. How annoying was it to try and watch the 3 movies I copied onto my Playbook on the plane without sound? Extremely.

    What I was basically saying was that of all the avi files I have downloaded, they have all been AC3, so obviously there seems to be some sort of standard for the majority of users out there. Would have been nice to actually watch/hear them on my playbook without having to take hours to convert them.

    I've tried the Avi type using the original video and it's now unwatchable. Trying the ipad 2 suggestion, which erks me just to have to choose that as an option (3 hours later still going).

    With a PC, if there's a codec issue, you just download a codec. If I can download a codec to my Playbook then I'm obviously missing something.
    If you had searched the subject a little you would have found it discussed many times in the past with some very good solutions.

    AVIDemux is the software I use. Like Xvid4PSP you can convert the audio without converting the video. This saves a lot of time. Unlike AC3 these programs are both free.

    AC3 is usually only used in pirated movies and TV shows and also being used a lot less than it used to be. MP4 is becoming the standard.
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  19. Hawnz's Avatar
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    Quote Originally Posted by samab View Post
    It seems silly to not understand anything about AC3 and then complain about it.

    AC3 is a codec designed for very high bandwidth bitrate playback. It is not designed for low bitrate playback such as internet video --- therefore NONE of the legal internet video stores (i.e. netflix, itunes video stores) use AC3 for their movies. Since AC3 sucks a lot of bandwidth and not suitable for internet videos --- the audio chipset manufacturers never implemented AC3 on hardware. Since it is never implemented on hardware, it would have sucked a lot of battery to do the decoding in software.

    Dolby also wants a lot of money for AC3 licenses --- which NONE of the tablet makers/smartphone makers intended to pay (especially for a technology that is not suitable for portable devices).

    The only software that would be available on ipad/android --- are from one man app companies that grab some sort of open source ac3 decoder projects and basically illegally (i.e. without paying Dolby a licensing fee) distribute them onto the ipad/android app store. These one man app companies get away with it because they are too poor for Dolby to sue them.
    ITunes sells HD videos that have both ac3 and aac audio tracks. The ac3 decoding would take place by your television or Apple TV. If using an iPad, the aac track would play.
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  20. varunsain's Avatar
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    Here this should help you out - Doom9.net - The Definitive DVD Backup Resource

    And this is Closed!
  21. omniusovermind's Avatar
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    Quote Originally Posted by Angus_CB View Post
    If you had searched the subject a little you would have found it discussed many times in the past with some very good solutions.

    AVIDemux is the software I use. Like Xvid4PSP you can convert the audio without converting the video. This saves a lot of time. Unlike AC3 these programs are both free.

    AC3 is usually only used in pirated movies and TV shows and also being used a lot less than it used to be. MP4 is becoming the standard.
    Isn't MP4 a container, not a codec? I believe MP4 movies can still contain AC3 audio.
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  22. varunsain's Avatar
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    Yes MP4 is a container that can hold AC3 audio.. But the Playback of this file will be very limited across devices.. Forget portable devices completely.

    AC3 is not a portable device format.. Just like you don't carry WAV files on your portable music player..

    Sure music players can support WAV files, but what they cannot support is a multi-channel WAV. It will play noise.. So you can't say that they should give Multi-channel WAV support because you downloaded that from the Internet and now want to plug-in your music player to the surround sound system and want 5.1 surround audio..

    For the OPs thread title - I don't even see any reason why PlayBook should support AC3 audio. Haha my PlayBook is just 32 GB.. 28 GB of what I can use.. I have The Godfather at 20+ GB (each).. obv with DTS audio.. but even with AAC some BDRips go pretty high in size.. and then AC3 wouldn't help there.. Point is.. If you go from 20GB to 2GB - AAC, AC3, DTS should be the last of your concerns.. You should get a file which has the most compatibility. Which obv is AAC..
    Last edited by varunsain; 08-14-2012 at 01:19 AM.
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    i wonder why there are open AC3 decoders (like used in mplayer or VLC) that dont have any legal problems with Dolby? i mean VLC is a huge project if it would be illegal it would have been shut down. Why is it impossible for rim to base there videoplayer on an open player?

    Anyway, i find this annoying too. I have ripped my whole dvd collection to h.264 + surround ac3 a year ago for my new HTPC and if i want to watch them on my playbook i have to convert the audio track. this doesnt take that long on my 4 core PC but its still a bit annoying.
    Hope they port mplayer or VLC over in the future.
  24. varunsain's Avatar
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    Quote Originally Posted by Sonic-NKT View Post
    i wonder why there are open AC3 decoders (like used in mplayer or VLC) that dont have any legal problems with Dolby? i mean VLC is a huge project if it would be illegal it would have been shut down. Why is it impossible for rim to base there videoplayer on an open player?

    Anyway, i find this annoying too. I have ripped my whole dvd collection to h.264 + surround ac3 a year ago for my new HTPC and if i want to watch them on my playbook i have to convert the audio track. this doesnt take that long on my 4 core PC but its still a bit annoying.
    Hope they port mplayer or VLC over in the future.
    Here, you can read this.. If VLC can ship a free DVD player, why can't Microsoft? | ZDNet

    How much do DVD and digital media playback features really cost? | ZDNet
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    thanks for the links, intresting reads.
    Wonder if a app released in the official app world would be OK, i mean there are 3rd Party players released in Apple Appstore or Android Marketplace even tho both are US Companies. So RIM could port the player, public release the compiling changes, and voila but i doubt this would happen, but wait didnt RIM start an XBMC port (based on mplayer as far as i know)

    Sadly all those opensource ports project seem to be abondend for some month now.
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