[PD] obscuring voices while maintaining intelligibility

[i go bananas]

the 2nd hand price of this simple voice changer has gone through the roof,
because it is used by private investigators and people who want their voice
to be disguised:


boss vt-1
http://www.bossus.com/gear/productdetails.php?ProductId=414




On Sun, Oct 30, 2011 at 6:27 AM, Lorenzo Sutton <lsutton at libero.it> wrote:

> On 22/09/2011 20:32, Hans-Christoph Steiner wrote:
>
>>
>> On Sep 22, 2011, at 2:19 PM, Lorenzo Sutton wrote:
>>
>>  On 09/22/2011 07:15 PM, Hans-Christoph Steiner wrote:
>>>
>>>>
>>>> On Sep 22, 2011, at 5:29 AM, Lorenzo Sutton wrote:
>>>>
>>>>  On 21/09/2011 22:44, Hans-Christoph Steiner wrote:
>>>>>
>>>>>>
>>>>>> I'm trying to come up with a simple voice scrambling technique that
>>>>>> leaves voices understandable, but makes them unrecognizable. A key
>>>>>> part
>>>>>> of this is to make it very hard to reverse the scrambling to make the
>>>>>> voice more recognizable
>>>>>>
>>>>> [...]
>
>
>>>>> http://lorenzosu.altervista.**org/temp/dump/voice01.ogg<http://lorenzosu.altervista.org/temp/dump/voice01.ogg>
>>>>>
>>>>
>>>> That sound has a lot of nice examples, can you share the patch for that?
>>>>
>>>
>>> I was using my own Granita [1] which also has a "play" gadget.
>>>
>>>  text-to-speech is interesting, but that requires speech-to-text, which
>>>> is error prone and not something you can easily run in realtime on a
>>>> phone while processing video. Granular can be heavy too,
>>>>
>>>
>>> True, I hadn't thought you were on resources budget, but indeed you
>>> had mentioned CPU usage, Granita for ex.. is quite hungry, although
>>> you can lower it's demands (see README). I don't think it would run on
>>> a phone.. never tried though.
>>>
>>> Lorenzo.
>>>
>>> [1] http://lorenzosu.altervista.**org/pd/granita/\<http://lorenzosu.altervista.org/pd/granita/%5C>
>>>
>>
>> Granita looks quite nice and polished. You should add it to the
>> puredata.info downloads as an app. Here's how:
>>
>> http://puredata.info/docs/**sitedocs/**AddingYourProjectToDownloads<http://puredata.info/docs/sitedocs/AddingYourProjectToDownloads>
>>
>
> Finally got round to doing it (correcting some minor things). It's here:
> http://puredata.info/**community/projects/software/**
> granita-minimalist-granular-**synthesis-1<http://puredata.info/community/projects/software/granita-minimalist-granular-synthesis-1>
>
> Also put everything on Gitorious, here:
> https://gitorious.org/granita/**granita<https://gitorious.org/granita/granita>
>
> Lorenzo.
>
>
>> .hc
>>
>>
>> ------------------------------**------------------------------**
>> ----------------
>>
>>
>> I hate it when they say, "He gave his life for his country." Nobody
>> gives their life for anything. We steal the lives of these kids.
>> -Admiral Gene LeRocque
>>
>>
>>
>
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