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Re: Varispeed ios
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Re: Varispeed ios


  • Subject: Re: Varispeed ios
  • From: Gregory Wieber <email@hidden>
  • Date: Sun, 20 Nov 2011 11:01:36 -0800

Try a converter unit to make it floating point into the varispeed. Many of the new audio units are floating point

Sent from my iPhone

On Nov 20, 2011, at 7:39 AM, alessandro aresta <email@hidden> wrote:

Current IOBufferDuration: 2.902494ms

Current Hardware Sample Rate: 44100Hz

Current Hardware Output Latency: 10.000000ms

initializeAUGraph

create client ASBD

AudioStreamBasicDescription:  2 ch,  44100 Hz, 'lpcm' (0x0000000C) 16-bit little-endian signed integer

create output ASBD

AudioStreamBasicDescription:  2 ch,  44100 Hz, 'lpcm' (0x00000C2C) 8.24-bit little-endian signed integer, deinterleaved


On Sat, Nov 19, 2011 at 6:58 PM, Gregory Wieber <email@hidden> wrote:
What audio format are you using on the  effect unit?

Sent from my iPhone

On Nov 19, 2011, at 3:06 AM, Aran Mulholland <email@hidden> wrote:

I would also like further info regarding these properties and this unit in iOS.

On Thu, Nov 17, 2011 at 9:30 PM, tahome izwah <email@hidden> wrote:
Apparently there is a new pitch shifting unit in iOS 5 but I never got it to work. We're using Dirac http://dirac.dspdimension.com in our products. I can highly recommend it.

--th

2011/11/16 alessandro aresta <email@hidden>
is kAudioUnitSubType_Varispeed avaible in ios5? I'm a bit confused; is there a way to obtain live pitch shifting using only ios new sdk?
My app should record RemoteIO mic input, shift it and record it on file; 
everything is working but shifting; is 3rd party code the only easy way?

Varispeed Unit Parameters

Parameters for the Varispeed unit.

enum {

   kVarispeedParam_PlaybackRate   = 0,

   kVarispeedParam_PlaybackCents  = 1

};

Constants

kVarispeedParam_PlaybackRate


Available in iOS 5.0 and later.

Declared in AudioUnitParameters.h.

kVarispeedParam_PlaybackCents


Available in iOS 5.0 and later.

Declared in AudioUnitParameters.h.

it states "Available in iOS 5.0 and later." but I do get 

AudioUnitSetParameter kTimePitchParam_Rate Global result -50 FFFFFFCE 

also :  kAudioUnitSubType_AUiPodTimeOther    = 'ipto'

how to get info about that? is the one I should use?

many tnx in advance

--
Alessandro Alexander Stone Aresta



iOS / Web / Multimedia
development & consulting 

sharpeimultimedia.com

email  : email@hidden
skype : alexanderstone2007

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--
Alessandro Alexander Stone Aresta



iOS / Web / Multimedia
development & consulting 

sharpeimultimedia.com

email  : email@hidden
skype : alexanderstone2007

This  is  a  confidential   communication   intended   only  for  the  named addressee. 
 If you received this communication in error, please notify us  and return and delete it without  reading it. 
This e-mail may not be 
disclosed,  copied or distributed
 in  any form without the obtained permission in writing of  SharpeiMultimedia. 
In  any case it  may not be altered or otherwise 
changed.  
 Whilst  SharpeiMultimedia believes  that  the   information  is  correct at  the date  of   the  e-mail,  no  warranty and 
representation  is given to this effect and no responsibility can be accepted by SharpeiMultimedia.


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References: 
 >Varispeed ios (From: alessandro aresta <email@hidden>)
 >Re: Varispeed ios (From: tahome izwah <email@hidden>)
 >Re: Varispeed ios (From: Aran Mulholland <email@hidden>)
 >Re: Varispeed ios (From: Gregory Wieber <email@hidden>)
 >Re: Varispeed ios (From: alessandro aresta <email@hidden>)

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