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Re: Missing information in the Web Audio spec

From: Chris Rogers <crogers@google.com>
Date: Wed, 16 May 2012 15:01:42 -0700
Message-ID: <CA+EzO0m2_VxPGtgqepDNeB7g4Kzge1Q=3-MKYnXspAKzYJtu=Q@mail.gmail.com>
To: robert@ocallahan.org
Cc: Philip Jägenstedt <philipj@opera.com>, public-audio@w3.org
On Wed, May 16, 2012 at 2:55 PM, Robert O'Callahan <robert@ocallahan.org>wrote:

> On Thu, May 17, 2012 at 9:46 AM, Robert O'Callahan <robert@ocallahan.org>wrote:
>> Ah, thanks, I should have remembered that. Then resolving ISSUE-24 will
>> require specification of a processing model that handles cycles. I would
>> like resolving that to be quite high priority as it will have significant
>> impact on the architecture of any implementation.
> [Two things I'm particularly curious about: how to handle cycles that
> don't contain a DelayNode

In signal processing terms this is undefined or non-sensical.

> , and how to handle a cycle containing a DelayNode with very small
> delayTime, e.g. a single sample.]

This is well defined in signal processing.  In fact many common filters
(IIR filters such as the biquad) are implemented this way.

> Rob
> --
> “You have heard that it was said, ‘Love your neighbor and hate your
> enemy.’ But I tell you, love your enemies and pray for those who persecute
> you, that you may be children of your Father in heaven. ... If you love
> those who love you, what reward will you get? Are not even the tax
> collectors doing that? And if you greet only your own people, what are you
> doing more than others?" [Matthew 5:43-47]
Received on Wednesday, 16 May 2012 22:02:11 UTC

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