[LAU] audio file player with playback SPEED control???

Andras Simon szajmi at gmail.com
Sun Aug 1 15:57:31 UTC 2010

On 7/31/10, david <gnome at hawaii.rr.com> wrote:
> Kevin Cosgrove wrote:
>> A friend of mine was telling me how he listens to his speech podcasts
>> on his iPod at faster than natural playback speeds.  I'd like to do
>> this with an audio file player which can do the same on Linux.  Which
>> one(s) should I investigate?  Of course, I want the original pitch at
>> any playback speed.
> If you don't mind command line stuff, mplayer has playback speed control:
>         MPlayer  has  a  fully configurable, command-driven control
> layer which
>         allows you to control MPlayer using keyboard, mouse, joystick or
> remote
>         control (with LIRC).  See the -input option for ways to
> customize it.
>         keyboard control
>                <- and ->
>                     Seek backward/forward 10 seconds.
>                up and down
>                     Seek forward/backward 1 minute.
>                pgup and pgdown
>                     Seek forward/backward 10 minutes.
>                [ and ]
>                     Decrease/increase current playback speed by 10%.
>                { and }
>                     Halve/double current playback speed.
>                backspace
>                     Reset playback speed to normal.

The trouble with [ and ] in mplayer is that they don't preserve the
original pitch.

mplayer -af scaletempo -speed 1.2 yourfile.mp3

of which I probably learned on this list, does.


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