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Re: Limiter on audio output?

From: Raymond Toy <rtoy@google.com>
Date: Tue, 26 Sep 2017 08:22:59 -0700
Message-ID: <CAE3TgXFSvKbm7HHVmYW37szkswQ-7XwEpYuzaG=+KLX0Zn9wkw@mail.gmail.com>
To: "gaito@g200kg.com" <gaito@g200kg.com>
Cc: "public-audio@w3.org" <public-audio@w3.org>
On Mon, Sep 25, 2017 at 3:05 PM, gaito@g200kg.com <gaito@g200kg.com> wrote:

> Signals exceeding -1.0 to +1.0 are considered invalid,
> so it is necessary to control so as not to exceed this range
> in the audio graph.
>
> Since checking the operation with the built-in device may
> cause you to miss the distortion, it is necessary to check
> the operation with external audio I/F.
>
> ---
> And thanks for issue #1272.
> However, I think that it is better to explain in the specification
> that the amplitude of the signal to be output to the destination
> node should be in the range of -1.0 to +1.0.
>
> Currently there is no explanation about the valid amplitude
> of the output signal.
>

We have a WHOLE Chapter
<https://webaudio.github.io/web-audio-api/#audio-sample-values> devoted to
that. ;-)

Well, it's only two sentences, but basically says it's nominally [-1,1] and
undefined if you exceed these values at the destination node.


>
> ----------------
> gaito@g200kg.com
>
>
>
Received on Tuesday, 26 September 2017 15:23:22 UTC

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