[PD] audio bit resolution in Pd

Joe White white.joe4 at gmail.com
Wed Apr 22 20:31:58 CEST 2015


Internally you can haves values over the boundaries but it's likely that Pd
and the operating system will clip the signal to [-1 ... 1] and/or scale it
before sending it to the driver.

On 22 April 2015 at 19:12, Alexandre Torres Porres <porres at gmail.com> wrote:

> but how come, since you can also get audio stream with values over the
> boundaries of -1 & 1?
>
> cheers
>
> 2015-04-22 15:04 GMT-03:00 Jamie Bullock <jamie at jamiebullock.com>:
>
>
>> Pd is 32-bit *floating point*, so you have 32-bit resolution between -1
>> and 1. See http://en.m.wikipedia.org/wiki/Floating_point
>>
>> best,
>>
>> Jamie
>>
>> --
>> http://jamiebullock.com
>>
>> On Wed, Apr 22, 2015 at 6:26 pm, Alexandre Torres Porres <
>> porres at gmail.com> wrote:
>>
>> Hi, I know pd operates in 32bit precision, but that is for all numbers
>> out there, which can be data control or audio streams. Now, output audio
>> values is actually just from -1 to 1, so we can't say that the audio output
>> in Pd is 32 bits.
>>
>> So I wonder what is the actual audio bit resolution that we have in Pd.
>>
>> Cheers
>>
>>
>
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