slow-down effect

[Simon A. Eugster]

On 18.06.2012 01:57, Harald Sitter wrote:
> On Mon, Jun 18, 2012 at 12:50 AM, Patrick Spendrin<ps_ml at gmx.de>  wrote:
>> I am looking for a special effect in the phonon backends:
>> My application should replay the media file slower than originally (so
>> that the user can better understand human voice in the audio file).
>>
>> Is this possible with any backend atm (I checked phonon-vlc and
>> phonon-gstreamer and there doesn't seem to be an effect like that)?
>> Is this possible with one of the backend backends?
>
> <apachelogger>  though I have to hear a sensible rationale for having it
> <SaroEngels__>  I am currently writing a audio transcription app, where
> it could help to slow down the audio
>
> IMHO that is a sensible and worthwhile use case (additionally it would
> address the less sensible use case of people wanting a video player
> that can change the playback rate... not that Dragon would get that
> feature though).
>
> Prolly could just be a new property of the MediaObject "playbackRate".
>
> Thoughts?
>
> HS

Maybe of interest:
http://hypermammut.sourceforge.net/paulstretch/

Simon