On Mon, 4 Sep 2023 12:33:42 +0200
Fons Adriaensen <fons@xxxxxxxxxxxxxx> wrote:
>On Mon, Sep 04, 2023 at 10:35:02AM +0100, Will Godfrey wrote:
>
>> Can anyone suggest a program that can edit metadata in 24bit wav files.
>> It seems Picard treats these as faulty - all the music players have no problems.
>
>I assume that 'metadata' refers to the header.
>
>No idea if the problem is with Picard or the files, but I suspect
>something along these lines:
>
>- There are (at least) two formats known as .wav files: WAV and
> WAVEX.
>
>- The original WAV header format was badly designed and resulted in
> lots of proprietary extensions and 'improvements'.
>
>- Many years ago M$ tried to clean up the messs by creating the
> WAVEX format.
>
>- From then on, according to M$ standards, anything using more than
> 2 channels or 16 bits MUST use the WAVEX format.
>
>I suspect you could have some 24-bit files using the WAV format which
>are technically 'defect'. There is still software around creating those.
>
>The way to find out is to look at an hex dump of the header. Maybe you
>could post one - the first 256 bytes will do.
>
>Ciao,
>
Thanks Fons - didn't think of that!
00000000 52 49 46 46 3c b7 1f 04 57 41 56 45 66 6d 74 20 |RIFF<...WAVEfmt |
00000000 52 49 46 46 3c b7 1f 04 57 41 56 45 66 6d 74 20 |RIFF<...WAVEfmt |
00000010 10 00 00 00 01 00 02 00 80 bb 00 00 00 65 04 00 |.............e..|
00000010 10 00 00 00 01 00 02 00 80 bb 00 00 00 65 04 00 |.............e..|
00000020 06 00 18 00 64 61 74 61 cc b5 1f 04 00 00 00 ff |....data........|
00000020 06 00 18 00 64 61 74 61 cc b5 1f 04 00 00 00 ff |....data........|
00000030 ff ff 00 00 00 ff ff ff 00 00 00 ff ff ff 00 00 |................|
So they're marked (wrongly?) as WAVE.
The fact they contain the metadata might suggest they are actually WAVEX
However this doesn't show in a readable form in the first 1024 bytes.
--
Will J Godfrey {apparently now an 'elderly'}
https://willgodfrey.bandcamp.com/
http://yoshimi.github.io
Say you have a poem and I have a tune.
Exchange them and we can both have a poem, a tune, and a song.
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