• Open Menu Close Menu
  • Apple
  • Shopping Bag
  • Apple
  • Mac
  • iPad
  • iPhone
  • Watch
  • TV
  • Music
  • Support
  • Search apple.com
  • Shopping Bag

Lists

Open Menu Close Menu
  • Terms and Conditions
  • Lists hosted on this site
  • Email the Postmaster
  • Tips for posting to public mailing lists
Re: Best way descrease/increase audio playback time?
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Best way descrease/increase audio playback time?


  • Subject: Re: Best way descrease/increase audio playback time?
  • From: Jens Alfke <email@hidden>
  • Date: Thu, 19 Feb 2009 16:17:12 -0800


On Feb 19, 2009, at 9:09 AM, tahome izwah wrote:

You could probably use pitch shifting for this, there's a good article
with source code at
http://www.dspdimension.com/admin/pitch-shifting-using-the-ft/
that I have been using for a similar application.

There's a built-in AudioUnit that does speed changes (AUVarispeed? something like that) that you could call; that's probably simpler than implementing the math yourself.

—Jens

Attachment: smime.p7s
Description: S/MIME cryptographic signature

 _______________________________________________
Do not post admin requests to the list. They will be ignored.
Coreaudio-api mailing list      (email@hidden)
Help/Unsubscribe/Update your Subscription:

This email sent to email@hidden

  • Follow-Ups:
    • Re: Best way descrease/increase audio playback time?
      • From: Pierre Zeeman <email@hidden>
References: 
 >Best way descrease/increase audio playback time? (From: email@hidden)
 >Re: Best way descrease/increase audio playback time? (From: tahome izwah <email@hidden>)

  • Prev by Date: Re: Recommend way for an Audio Unit to implement a background timer
  • Next by Date: Re: Audio unit hosting
  • Previous by thread: Re: Best way descrease/increase audio playback time?
  • Next by thread: Re: Best way descrease/increase audio playback time?
  • Index(es):
    • Date
    • Thread