IPB

Welcome Guest ( Log In | Register )

OptimFROG version 4.910b [2011-02-10]
madoka@ex-sounds
post Feb 13 2011, 06:10
Post #1





Group: Members
Posts: 92
Joined: 23-February 04
From: tokyo, japan
Member No.: 12207



I was really surprised w00t.gif

QUOTE
New release* (stable beta) for OptimFROG Lossless, DualStream, and IEEE Float, SFX module, and SDK:
OptimFROG_All_Windows_x86_4910b.zip (691 kB)
Updated input plug-in for foobar2000 v1.1.x, with cue sheet support (source code included):
foo_input_ofr_130.zip (250 kB)
* Release for all the other supported platforms within two weeks.

URL: http://losslessaudio.org/

Change Log:
QUOTE
What is new in this version (4.910b):
- fully backward compatible with previous versions
- slightly better compression for highnew, extranew, bestnew modes, and also for --maximumcompression
- parsing WAV files with invalid data chunk size in WAV header using --incorrectheader (for foobar2000 and other command line format converters using pipes who cannot compute the WAV file length in advance and generate a 4 GB header instead)
- many internal source code improvements

- [other] updated foobar2000 input plug-in for foobar2000 1.1.x
- [other] updated OptimFROG SDK to version 1.300 (included here)



--------------------
<name>madoka</name>
<uri>http://codecs.ex-sounds.net/</uri>
Go to the top of the page
+Quote Post
 
Start new topic
Replies
_m_
post Feb 16 2011, 10:51
Post #2





Group: Members
Posts: 231
Joined: 6-April 09
Member No.: 68706



Tested 2 more tracks:
Funkadelic - Maggot Brain
CODE
             size(B)  time(s)
uncompressed 109172780 0
ofr v4.600ex  53109679 1568.843
ofr 4.910b    53026835 1452.750
tak 2.0       53972701 0

Seal - Kiss from a Rose
CODE
             size(B)  time(s)
uncompressed 50791484 0
ofr v4.600ex 31223277 673.171
ofr 4.910b   31219121 857.828
tak 2.0      31828198 0
Go to the top of the page
+Quote Post
bbrabant
post Feb 16 2011, 21:04
Post #3





Group: Members
Posts: 44
Joined: 4-April 07
Member No.: 42201



I also tried Optimfrog pipe encoding with foobar.
I encoded a 44100 hz 16 bit wav to ofr with --mode fast --raw --incorrectheader --output %d. Then decoded the ofr back to wave and compared this wave to the original wave.
The two waves were not identical.
I examined both wave headers with a hex editor. The first (original) wave has a 36 bytes header and the second wave has a 60 bytes header. The audio data is the same in both files only the headers are different.

CODE
Original wave header
RIFF}.WAVEfmt ........D.........data
52 49 46 46 A4 AB 7D 02 57 41 56 45 66 6D 74 20 10 00 00 00 01 00 02 00 44 AC 00 00 10 B1 02 00 04 00 10 00 64 61 74 61

Decoded wave header
RIFF}.WAVEfmt (.....D............................8qdata
52 49 46 46 BC AB 7D 02 57 41 56 45 66 6D 74 20 28 00 00 00 FE FF 02 00 44 AC 00 00 10 B1 02 00 04 00 10 00 16 00 10 00 03 00 00 00 01 00 00 00 00 00 10 00 80 00 00 AA 00 38 9B 71 64 61 74 61


I also used EAC3to to pipe the wave to optimfrog and I got the same result. The two wave headers were different.
Only by using the -simple command with EAC3to the two wave headers were identical.
Somehow the wave header is changed with optimfrog pipe encoding.

Don't know if this behavior is by design. My understanding of lossless audio encoding is that the resulting wave has to be same as the original wave.
So I hope this header issue can be fixed.

Greetings,

Ben
Go to the top of the page
+Quote Post

Posts in this topic
- madoka@ex-sounds   OptimFROG version 4.910b [2011-02-10]   Feb 13 2011, 06:10
- - shadowking   Whoa ! I am so glad Ghido is back.   Feb 13 2011, 10:18
- - Steve Forte Rio   Great news   Feb 13 2011, 22:01
- - _m_   I was absolutely sure that Windows on ARM was goin...   Feb 14 2011, 16:24
- - _m_   So who will be the first to benchmark it?   Feb 14 2011, 17:43
- - madoka@ex-sounds   Ugh, Bit comparison results are Differences found ...   Feb 14 2011, 18:05
- - Case   Your settings are wrong. You can't use --raw w...   Feb 14 2011, 18:55
|- - madoka@ex-sounds   QUOTE (Case @ Feb 14 2011, 09:55) Your se...   Feb 15 2011, 05:27
- - dv1989   It looks as though Case is on the right track. Not...   Feb 15 2011, 15:37
|- - madoka@ex-sounds   QUOTE (dv1989 @ Feb 15 2011, 06:37) It lo...   Feb 15 2011, 18:59
- - eevan   I'm also having trouble with pipe encoding fro...   Feb 15 2011, 16:02
- - romor   I reported same foobar behaviour with Speex encode...   Feb 15 2011, 16:57
- - Case   It seems --incorrectheader option isn't workin...   Feb 15 2011, 21:10
- - _m_   Since nobody was willing to test ofr, I did a quic...   Feb 15 2011, 21:37
- - _m_   Tested 2 more tracks: Funkadelic - Maggot Brain CO...   Feb 16 2011, 10:51
|- - bbrabant   I also tried Optimfrog pipe encoding with foobar. ...   Feb 16 2011, 21:04
- - [JAZ]   This looks worse than anticipated. The difference ...   Feb 16 2011, 21:09
|- - soiaf   QUOTE ([JAZ] @ Feb 16 2011, 21:09...   Feb 16 2011, 23:01
|- - bbrabant   QUOTE ([JAZ] @ Feb 16 2011, 23:09...   Feb 17 2011, 14:26
- - [JAZ]   doh! I had read the Hexadecimal representatio...   Feb 17 2011, 19:17
- - RazorBoy143   I solved the problem by using the --headersize opt...   Mar 14 2011, 14:30
|- - Ljubo44   QUOTE (RazorBoy143 @ Mar 14 2011, 15:30) ...   Oct 18 2011, 23:51
- - RazorBoy143   Checked the CPU usage while OptimFROG tracks were ...   Mar 15 2011, 02:13
|- - _m_   QUOTE (RazorBoy143 @ Mar 15 2011, 02:13) ...   Mar 15 2011, 08:12
|- - RazorBoy143   RE: Monkey's Audio and its reliability QUOTE ...   Apr 13 2011, 14:34
- - Mardel   Hi! I tested a little with TAK. OptimFrog wi...   Mar 17 2011, 14:17
- - Mardel   Ok. Now I tested with a single album (Arch Enemy -...   Mar 17 2011, 15:47
- - Ljubo44   I have another question. When ofr.exe encode DTS C...   Oct 19 2011, 17:48
- - lvqcl   And what's the length of the original and deco...   Oct 19 2011, 18:33
- - Ljubo44   Same lenght, same number of samples. Bit compare t...   Oct 19 2011, 19:19
- - lvqcl   QUOTE Same lenght, same number of samples. Bit com...   Oct 19 2011, 19:55


Reply to this topicStart new topic
1 User(s) are reading this topic (1 Guests and 0 Anonymous Users)
0 Members:

 



RSS Lo-Fi Version Time is now: 28th November 2014 - 15:40