Re: Converting samples of 32 bit float big endian format CAF file to little endian.
Re: Converting samples of 32 bit float big endian format CAF file to little endian.
- Subject: Re: Converting samples of 32 bit float big endian format CAF file to little endian.
- From: Chad Wagner <email@hidden>
- Date: Thu, 16 Apr 2015 11:26:14 -0700
Re: Steve's point #2:
I assume the files are multichannel (stereo)? You may also want to make sure you're not interleaving 2 channels when you shouldn't be, and/or are setting mNumberChannels correctly in your AudioBuffer.
> On Apr 16, 2015, at 11:11 AM, Steve Bird <email@hidden> wrote:
>
>
>> On Apr 16, 2015, at 12:46 PM, Antonio Nunes <email@hidden> wrote:
>> When my app plays the files, they sound fine, except for the fact that they sound an octave (I guess) lower than they are supposed to. I suppose something is not right with my conversion method. Maybe I shouldn’t be using NSConvertHostFloatToSwapped to get the sample data into an NSSwappedFloat format? Any ideas on achieving correct results?
>
>
> If they sound OK, except for the pitch, then you have one of two problems:
>
> 1… you've mishandled the sample rate somewhere. It’s recorded at 44100 and you’re playing back at 22050, or something similar.
> 2… you’re duplicating samples somewhere, reading one sample and turning it into two samples of playback.
>
>
>
> ----------------------------------------------------------------
> Steve Bird
> Culverson Software - Elegant software that is a pleasure to use.
> www.Culverson.com (toll free) 1-877-676-8175
>
>
>
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