Re: Using AudioConverterFillComplexBuffer to Decompress Audio File Dynamically
Re: Using AudioConverterFillComplexBuffer to Decompress Audio File Dynamically
- Subject: Re: Using AudioConverterFillComplexBuffer to Decompress Audio File Dynamically
- From: Kevin Dixon <email@hidden>
- Date: Mon, 19 Aug 2013 13:59:08 -0700
Of note -- that blog post is rather dated and I think many of the
techniques it describes are no longer necessary with iOS 5
On Mon, Aug 19, 2013 at 1:57 PM, Jean-Daniel Dupas
<email@hidden> wrote:
> If you are just trying to decompress an audio file in memory, you can use
> the CoreAudio ExtendAudioFile API which does exactly that:
>
> http://developer.apple.com/library/ios/documentation/MusicAudio/Reference/ExtendedAudioFileServicesReference/Reference/reference.html
>
>
> Le 19 août 2013 à 22:46, Richard Oths <email@hidden> a écrit :
>
> Hello,
>
> Trying to convert compressed audio file dynamically and populating array
> with PCM sample integer amplitudes for further evaluation. Following the
> steps in http://www.subfurther.com/blog/category/ipod/ - I am good up to the
> point of writing to file via assetWriterInput object. But why can't i grab
> the decompressed sample data before they are written into file? My hunch is
> that there is more going on behind the scenes with the assetWriter in terms
> of conversion.
>
> Is AudioConverterFillComplexBuffer the correct approach to capture
> decompressed audio dynamically? Any examples are greatly appreciated.
>
> ~Mickey
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> -- Jean-Daniel
>
>
>
>
>
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