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27th December 2006, 14:03 | #161 | Link |
Life's clearer in 4K UHD
Join Date: Jun 2003
Location: Notts, UK
Posts: 12,227
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Just had a look at some early Recode2 MPEG-4 AVC sample encodes: -
Code:
* Movie Info * Timescale 1000 - Duration 00:00:50.800 Fragmented File no - 4 track(s) File Brand avc1 - version 0 Created: GMT Mon Jul 18 10:52:09 2005 File has root IOD Scene PL 0x01 - Graphics PL 0xfe - OD PL 0xfe Visual PL: No visual capability required (0xff) Audio PL: Scalable Audio Profile @ Level 1 (0x05) Code:
* Movie Info * Timescale 600 - Duration 00:00:50.760 Fragmented File no - 2 track(s) File Brand qt - version 537199360 Created: GMT Tue Nov 08 09:42:19 2005 File has no MPEG4 IOD/OD Cheers
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Last edited by SeeMoreDigital; 27th December 2006 at 14:09. |
30th December 2006, 16:08 | #163 | Link |
Registered User
Join Date: Nov 2001
Posts: 9,770
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.m4a = .mp4
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Between the weak and the strong one it is the freedom which oppresses and the law that liberates (Jean Jacques Rousseau) I know, that I know nothing (Socrates) MPEG-4 ASP FAQ | AVC/H.264 FAQ | AAC FAQ | MP4 FAQ | MP4Menu stores DVD Menus in MP4 (guide) Ogg Theora | Ogg Vorbis use WM9 today and get Micro$oft controlling the A/V market tomorrow for free |
30th December 2006, 16:11 | #164 | Link | |
Mr. Woof
Join Date: Jan 2002
Location: USA
Posts: 784
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Quote:
If you have the general .mp4 container on the iPod, it assumes it's video content because it doesn't scan and categorize the streams within. This pisses me off because I want to convert my songs using the Nero AAC encoder but as you know it outputs to an MP4. It just makes managing your library a hassle this way. Admittedly, I haven't done much looking into .m4a muxers but thought I read (or heard) something about m4box doing this a while back. |
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30th December 2006, 16:16 | #166 | Link |
Life's clearer in 4K UHD
Join Date: Jun 2003
Location: Notts, UK
Posts: 12,227
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Just in-case you did not know, YAMB 1.6 can "see" and de-mux AAC streams within the .M4A container okay - No need to re-name anything
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| I've been testing hardware media playback devices and software A/V encoders and decoders since 2001 | My Network Layout & A/V Gear |
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30th December 2006, 16:21 | #167 | Link | |
Mr. Woof
Join Date: Jan 2002
Location: USA
Posts: 784
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Quote:
Thanks you guys! |
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30th December 2006, 16:57 | #168 | Link |
Teetrinker
Join Date: Jan 2002
Posts: 258
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If you are strict it is not same. Both is based at ISO base media file format (ISO/IEC 14496-12).
For m4a Apple added there iTunes Tags and a MP4 like Audio Sample Entry ... . And the major ftyp is set to "M4A " and a compatible brand is set to "mp42". For mp4(ISO/IEC 14496-14) there was added the Scenedescription(BIFS Track), the Object Description Framework and the Sync Layer. The major ftyp is set to "mp42". I would not simply rename it. Its more or less the same if you would rename a mov to mp4 depended from the used codecs. IMHO I would use m4a for audio only files. A scenedescription isn't needed for a simply audioplayer. You don't want to know where the audio audio is placed in a 3D coordinate system. If you want to create a MP4 file conformace to (ISO/IEC 14496-14) use a tool like MP4MenuGUI. ( I didn't tested it until now. I am a bit lazy/other things to do and my Windows PC is slower than the one from Bond ).
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7th January 2007, 15:45 | #170 | Link |
Swallowed in the Sea
Join Date: Oct 2002
Location: Aix-en-Provence, France
Posts: 5,191
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Hi,
The update for the next release is almost finished. I'm working on "Vista Ready" features right now. So, if you have already installed this OS and you want to test Yamb on it, send me a PM or mail me : kurtnoise at free dot fr ; I'll send you a build for testing. 10x |
30th January 2007, 21:04 | #177 | Link |
Swallowed in the Sea
Join Date: Oct 2002
Location: Aix-en-Provence, France
Posts: 5,191
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When it will be done. All tests on Vista are not finished yet. Plus, I'm changing the tagging part (should be more intuitive and easier to use). Video Preview feature for splitting works now but needs to be tuned. Unfortunately, I can only work to this project the weekend. My free time is still limited though...
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19th February 2007, 22:07 | #178 | Link |
Noob but Strong!
Join Date: Jun 2006
Location: Serbia
Posts: 19
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Batch Muxing
Is there any posibility that we will see batch muxing feature, in one of the next versions on YAMB, for example I would mux my aac music files in MP4, container.
Thanks. P.S. My english sucks! |
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