[NTG-context] embedded sounds aren’t played

Hans Hagen j.hagen at xs4all.nl
Wed Aug 15 21:34:29 CEST 2018


On 8/15/2018 7:25 PM, Pablo Rodriguez wrote:
> On 08/14/2018 06:35 PM, Hans Hagen wrote:
>> On 8/14/2018 5:38 PM, Pablo Rodriguez wrote:
>>> Dear list,
>>>
>>> this is sounds-001.tex from the examples:
>>> [...]
>>> As I cannot check it myself with Acrobat for Linux (it seems to lack a
>>> player for MP3 files), I asked at the Spanish TeX mailing list whether
>>> they can play the MP3 file embedded in the PDF file.
>>
>> I have no clue. But these interactive media features in pdf are such a
>> mess. Embedding a simple sound file or video has become a pain and
>> changed over time.
> 
> I know. RichMedia is even an extension to the PDF spec 1.7
> (https://www.adobe.com/content/dam/acom/en/devnet/acrobat/pdfs/adobe_supplement_iso32000.pdf).
> 
>> I think that the modern way is to create a bunch of useless objects,
>> embed a shockwave (soon obsolete flash) player etc etc and who knows
>> what in a few years. While all we want is to embed a sound file
>> (afaik the old easy ways are obsolete).
> 
> As long as it isn’t deprecated, I would like to use MediaClip (to be
> able to handle it with JS code).
> 
>> One can only use acrobat to check. My most recent version is 10.1 and
>> i'm not going to subscribe to some lock-in pro version for 20 euro per
>> month in order to check if code still works.
> 
> http://www.davidgilmour.com/freedom/ uses a similar approach (although
> no MediaClip, but RichMedia instead). And they work fine with latest
> Acrobat Reader.
> 
>> Having the file in the same paths seems to work so maybe something is
>> missing.
> 
> This is also my impression, but I still haven’t found what I’m looking
> for (https://www.youtube.com/watch?v=e3-5YC_oHjE).
> 
>> One problem i remember is that when one adds too many key/values one
>> suddenly gets sounds mentioned in side bars and so.
> 
> I only want to embed a single audio file per PDF document.
> 
>> If you need it you can spend some time on deciphering the latest spec
>> and tell me what is missing.
> 
> I need it. I already spent some time trying to decipher what was wrong.
> But I failed. It seems that I need to investigate further.

one needs a minimal example that works without side effects and not 
using flash with all crap objects/keys that are not needed removed

Hans


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