[LAU] pcm capture from jack

Rustom Mody rustompmody at gmail.com
Sat Jan 28 18:48:44 UTC 2012


On Sat, Jan 28, 2012 at 11:52 PM, Harry van Haaren <harryhaaren at gmail.com>wrote:

> On Sat, Jan 28, 2012 at 5:41 PM, Rustom Mody <rustompmody at gmail.com>wrote:
>
>> It works but the original firefox sound is much louder and clearer than
>> the recording even when done at full volume.
>>
>
> How much softer? If its a small amount, normalizing the audio (Al
> Thompson's suggestion) would be perfect. If the audio is practically not
> visible in Audacity, and you normalize it you're going to get a whole lot
> of quantization noise <http://en.wikipedia.org/wiki/Signal-to-noise_ratio>in your output.
>
> If you have flash volume up the whole way, ALSA up the whole way, and then
> record using JACK directly into Audacity, there is no reason for the
> recorded stuff to be any quieter.
>

Cant quite find where is the volume control for flash.
My firefox shows shockwave flash version as 10.3 r183


>
> I've used this approach before, and it works flawlessly, just check your
> volume levels. -Harry
>
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