Re: audioqueue change sample rate
Re: audioqueue change sample rate
- Subject: Re: audioqueue change sample rate
- From: tahome izwah <email@hidden>
- Date: Sat, 14 May 2011 16:26:37 +0200
I changed their code to remove all references to Dirac and here's
their project that now does varispeed using the EAF API only:
http://dl.dropbox.com/u/29189424/DiracRealtimeExampleLE.zip
HTH
--th
2011/5/14 tahome izwah <email@hidden>:
> You could use their EAFRead class for this. It takes an output sample
> rate and handles the conversion internally. It doesn't use Dirac so
> you should be able to use it rightaway.
>
> Let me know if you need any help, I've used their code in my own
> projects so I think I can help.
>
> --th
>
> 2011/5/14 Robert Carroll <email@hidden>:
>> Thanks for your reply.
>> The Dirac material looks impressive. Unfortunately, I need to process stereo
>> source files (phase-locked) which falls outside of their free version.
>> I'm just looking for a static pitch change. It could be done off-line if the
>> process is fast enough, but my preference would be to be able to change to
>> sample rate of the audioqueue in the context of my existing code. Currently
>> I'm doing this with time-scaling the audio segment in Quicktime, but the
>> whole point of moving into audioqueue was to avoid further use of Quicktime.
>> rob
>>
>> On May 13, 2011, at 3:04 PM, email@hidden wrote:
>>
>> Not sure if this helps but the DiracLE SDK has a varispeed example in
>> the iOS realtime example folder: http://dirac.dspdimension.com
>>
>> If you don't need full scale time stretching but just a SRC pitch
>> change you can simply use their EAFRead class which takes an output
>> sample rate parameter...
>>
>> HTH
>> --th
>>
>
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