[geoff]

On 19/12/2018 6:54 PM, Mat Nieuwenhoven wrote:
On Tue, 18 Dec 2018 09:11:19 -0800 (PST),
wrote:

On Tuesday, 18 December 2018 22:05:18 UTC+5, wrote:
On Tuesday, 18 December 2018 19:11:05 UTC+5, Phil W wrote:
:

On *Tuesday, 22 February 2011 21:39:04 UTC+5 * , Valerian Kadyshev wrote:

Hi, audio professionals!

Link is invalid dear..

The whole post is almost 8 years old! Some things may have changed since
then...

Hint: next time read more carefully which date and YEAR you respond to - you
even quoted it in the very first line

Link is old but see i found a couple noble souls here to respond. So plz if some of you want to help then plz update on any new link for it or any alternative. obliged.

Better i tell my problem first.. i got some 600 mp4 songs sent by a friend and the problem is that speed is slow in them. I just want to batch extract mp3 audio from them BUT with speed increase... Doing it one by one us very tedious and time consuming. So plz guide.

Changing tempo is something Audacity can do. Maybe it has command
line options so you can call it from a simple batch file with the
desired procent speed up.

Mat Nieuwenhoven


Sound Forge can do it as a batch file job.

But Mr OP, whose idea is it that the tempo is too fast ? Are they
*actually* too fast, or is there a problem with what you are playing
back on, or are you too hyped-up and everything seems slow ?

geoff