• 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: Describing a compressed audio bitrate to ASBD
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Describing a compressed audio bitrate to ASBD


  • Subject: Re: Describing a compressed audio bitrate to ASBD
  • From: William Stewart <email@hidden>
  • Date: Tue, 14 Jun 2005 18:11:40 -0700

Bit rate is a separate property...

Have a look at the code for afconvert - its a mine of information about how to do this kind of thing

Bill

On 12/06/2005, at 7:14 AM, Evan Olcott wrote:

Working on an "Export" routine for my app, and using an AudioConvertor paired with the AudioFile APIs.

In creating the AudioStreamBasicDescription for the output, I can figure out how to fill in some of the flagged fields by using AudioFormatGetProperty(kAudioFormatProperty_FormatInfo...

...but how would I go about describing to it a 160kbps bitrate, for example? What field does that belong to, and what's the math behind it?


Ev Technical Knowledge Officer Head Programmer/Designer Audiofile Engineering

http://www.audiofile-engineering.com/


_______________________________________________ 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

--
mailto:email@hidden
tel: +1 408 974 4056
________________________________________________________________________ __
"Much human ingenuity has gone into finding the ultimate Before.
The current state of knowledge can be summarized thus:
In the beginning, there was nothing, which exploded" - Terry Pratchett
________________________________________________________________________ __


_______________________________________________
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


References: 
 >Describing a compressed audio bitrate to ASBD (From: Evan Olcott <email@hidden>)

  • Prev by Date: Example playing and recording in memory
  • Next by Date: Re: Multiple Outputs/Busses question
  • Previous by thread: Describing a compressed audio bitrate to ASBD
  • Next by thread: How to get the lists of connected Audio Devices
  • Index(es):
    • Date
    • Thread