Re: [LAD] How do I write meta data into a wave file? (Command line tools?)

On 05/03/2013 08:01 PM, Nils Gey wrote:
> Hello list,
>
> libsndfile-info shows various useful information like the one at the end of this mail.
> I have Sonatina Symphonic Orchestra waves here (violins 1) and a one note wave includes "Midi Note", "Loop Count" and "Cue Start : 92078 End : 223977", which is the actual loop start/end
>
> Is this custom data or does it follow a standard?
> And no matter what, how do I write that into my own wave files?

May be offtopic .. you can insert any obscure poetry or any
non-stardard text in a wav file via steganography.

http://steghide.sourceforge.net/documentation.php

>
> I would prefer command line tools. But programming interfaces are fine as well.
>
> Greetings,
> Nils
>
> $ sndfile-info test.wav
>
> Version : libsndfile-1.0.25
>
> ========================================
> File : test.wav
> Length : 896548
> RIFF : 896540
> WAVE
> fmt : 16
> Format : 0x1 => WAVE_FORMAT_PCM
> Channels : 2
> Sample Rate : 44100
> Block Align : 4
> Bit Width : 16
> Bytes/sec : 176400
> data : 895916
> *** SAUR : 512 (unknown marker)
> smpl : 60
> Manufacturer : 0
> Product : 0
> Period : 22675 nsec
> Midi Note : 76
> Pitch Fract. : 0
> SMPTE Format : 0
> SMPTE Offset : 00:00:00 00
> Loop Count : 1
> Cue ID : 0 Type : 0 Start : 92078 End : 223977 Fraction : 0 Count : 0
> Sampler Data : 0
> End
>
> ----------------------------------------
> Sample Rate : 44100
> Frames : 223979
> Channels : 2
> Format : 0x00010002
> Sections : 1
> Seekable : TRUE
> Duration : 00:00:05.079
> Signal Max : 31468 (-0.35 dB)
>
>
>
>
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Received on Sat May 4 20:15:01 2013