I would've used a rubber mallet. Is that two L's or two T's Sir Headroom?
Get it. In the tv show he got hit by a thing and now he's Max Headroom.
You can make him more human-looking by banging out those rough edges.
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IIRC, when Dan sent me two files to listen to, I looked at the metadata using Notepad++ (freeware app) and the file contents including metadata were identical so far as I could see. A file comparison utility also indicated they were the same.
Again, IIRC, I mentioned to Dan about using Notepad++ but don't know if he had any interest or tried it himself.
Regarding metadata, it may be different depending on the OS. Windows uses the file type and directory data as metadata in addition to what is contained in, say, a wav file. On Macs, my understand is that files have Resource Forks which contain metadate such as file type.
For iOS, IIRC, there is not a traditional directory structure, rather individual apps manage storage in their own way of any data or data files they may use.
Again, IIRC, I mentioned to Dan about using Notepad++ but don't know if he had any interest or tried it himself.
Regarding metadata, it may be different depending on the OS. Windows uses the file type and directory data as metadata in addition to what is contained in, say, a wav file. On Macs, my understand is that files have Resource Forks which contain metadate such as file type.
For iOS, IIRC, there is not a traditional directory structure, rather individual apps manage storage in their own way of any data or data files they may use.
No.Right. A change of metadata. Like, the song 'Yellow submarine' all of a sudden appears on your iTunes screen as 'Green submarine'?
Jan
I have stated that the only file changes that I can think of is changes of file time and date creation, modification etc metadata.
It is proven that the actual wav file data is not changed.
Dan.
Right, but in Windows, that particular metadata is written to the Widows directory, not to the wav file. That is that case even though the wav file format definition reserves some bits for creation date, etc., in the header section of the wav file itself in case some application ever wants to use them.
But for Windows in particular, although there are reserved bits in wav files for metadata, Windows doesn't write to them.
In the case of a Mac, it could be that wav files have a different structure, maybe including a resource fork with active metadata in it.
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Guys, I will get around to posting some files to Dropbox some time later today.
Ok, get your popcorn and drinks and pay attention...I will endeavor to communicate some observations in order that we all have the same (anecdotal) data, and from this intelligently discuss and glean what forces are at play.
I have done the experiment in the past of uploading to Dropbox and redownloading pairs of audio files and the differences have been retained.
The pairs of files stored on my phone still play back differently after six months.
Like I have said, one reason could possibly be to do with the operation of Flash memory.
Modern memory is multi voltage level..ie data is stored in memory cells as defined voltage levels.
This process is prone to noise during both storage and retrieval, and algorithms are employed to detect and correct read errors.
Quieter circuit operation could result in more accurate write operations, with consequent reduction in error correction operations during data retrieval.
The kicker to this 'theory' is that the same playback differences are observed when using hard drive magnetic storage.
Now listen up.
The playback differences have nothing to do with direct changes in FR etc.
'Treating' a system changes the behaviour of the system.
Playing a 'treated' file changes the behaviour of the system.
Playing a 'treated' file through a treated system, further changes the behaviour of the system.
Subjective description of these changes is that the system sounds more time and amplitude 'stable', with consequent useful improvement in acoustic output in terms of realness, clarity, hf and lf extension, instantaneous dynamics, 'blackness between notes' and sense of power.
This 'stability' also very nicely improves LR/depth focus and positioning accuracy of the recreated sound image sources.
Other useful attributes include elimination of 'ear bleeding nasties' enabling systems to run all the way to clip without becoming harsh or 'congested'...clipping is 'matter of fact' and well behaved.
Consequence of this is reduction/loss of typical 'loudness' cues, with no ear clamping, shut down, discomfort, ringing etc even after exposure to sustained high (paint peeling) SPL in home playback and live performance situations.
Ok, that's the first bit to get your heads around, the fact that the behaviour of a system can be altered at will, and that signal can alter system behaviour.
More about specific applications to to get your heads around later.
Dan.
Ok, get your popcorn and drinks and pay attention...I will endeavor to communicate some observations in order that we all have the same (anecdotal) data, and from this intelligently discuss and glean what forces are at play.
I have done the experiment in the past of uploading to Dropbox and redownloading pairs of audio files and the differences have been retained.
The pairs of files stored on my phone still play back differently after six months.
Like I have said, one reason could possibly be to do with the operation of Flash memory.
Modern memory is multi voltage level..ie data is stored in memory cells as defined voltage levels.
This process is prone to noise during both storage and retrieval, and algorithms are employed to detect and correct read errors.
Quieter circuit operation could result in more accurate write operations, with consequent reduction in error correction operations during data retrieval.
The kicker to this 'theory' is that the same playback differences are observed when using hard drive magnetic storage.
Now listen up.
The playback differences have nothing to do with direct changes in FR etc.
'Treating' a system changes the behaviour of the system.
Playing a 'treated' file changes the behaviour of the system.
Playing a 'treated' file through a treated system, further changes the behaviour of the system.
Subjective description of these changes is that the system sounds more time and amplitude 'stable', with consequent useful improvement in acoustic output in terms of realness, clarity, hf and lf extension, instantaneous dynamics, 'blackness between notes' and sense of power.
This 'stability' also very nicely improves LR/depth focus and positioning accuracy of the recreated sound image sources.
Other useful attributes include elimination of 'ear bleeding nasties' enabling systems to run all the way to clip without becoming harsh or 'congested'...clipping is 'matter of fact' and well behaved.
Consequence of this is reduction/loss of typical 'loudness' cues, with no ear clamping, shut down, discomfort, ringing etc even after exposure to sustained high (paint peeling) SPL in home playback and live performance situations.
Ok, that's the first bit to get your heads around, the fact that the behaviour of a system can be altered at will, and that signal can alter system behaviour.
More about specific applications to to get your heads around later.
Dan.
Gerhard, none of what I am saying contradicts your researches and endeavours.
I am not talking 'new' physics, but I am talking observations using one's senses, picking up on fine detail that standard instrumentation is not looking for.
We all understand that our senses can be fallible to a degree, in this case there is no sensory deception.
The reasons of course must have physics explanation, perhaps not in classical physics, but deeper and into the quantum realm.
BTW, I'm talking LF, VLF and ULF noise system consequence effects for those who did not glean this from the initial post subjective descriptions.
Dan.
Buffers!!!
If the data is the same it has been written correctly into both files, we are entering dark bit territory again...
This of course has absolutely nothing to do with the actual data (1's and 0's). Once the data is recovered from dropbox and written to a hard drive this all becomes irrelevant.
BTW the broad brush of claimed effects does not help the cause, it just ends up sounding like ridiculous hyperbole and hubris.
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