Re: sound effect plugin using the AudioServerPlugin API gives noisy results on sound coming from Chrome
Re: sound effect plugin using the AudioServerPlugin API gives noisy results on sound coming from Chrome
- Subject: Re: sound effect plugin using the AudioServerPlugin API gives noisy results on sound coming from Chrome
- From: Guillaume Laurent <email@hidden>
- Date: Mon, 23 Apr 2018 17:00:45 +0200
Thank you very much, I’ll look at your code.
> On 23 Apr 2018, at 08:48, Daniel Vollmer <email@hidden> wrote:
>
> Hi Guillaume,
>
>> On 22. Apr 2018, at 20:48, Guillaume Laurent <email@hidden>
>> wrote:
>>
>> Hello all,
>>
>> I have a virtual audio driver, using the AudioServerPlugin API, which
>> applies some simple effects like reverb or bass boost on the incoming sound.
>> It works correctly if the sound if coming from Quicktime Player, iTunes, ou
>> a YouTube video on Safari. But if the sound is coming from Chrome, I get a
>> very noisy result with lots of crackles. I suppose there’s a difference in
>> the sound format somehow, but I don’t see where or how in the
>> AudioServerPlugin API I can obtain that information ?
>
> I think I saw something similar in my SoundPusher application
> (https://github.com/q-p/SoundPusher which includes an AudioServerPlugIn
> driver to capture and forward sound).
>
> In my case it was due to assuming a fixed offset between read and write
> sample timing; watching an HTML5 video in Safari showed this was in incorrect
> assumption. This may or may not be a problem for Chrome as well.
>
> In general, applications (should) rarely change the sample format, but the
> buffer sizes and timings be varied. So I’d check in that area.
>
>
> Daniel.
>
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