Hi group,

Would it not be feasible to design a way to perform this 'equalization'
automatically via software?

Regards,

Per-Tore

On 4 May 2010 22:20, Alberto I2PHD <i2...@weaksignals.com> wrote:

>
>
> On 5/4/2010 8:34 PM, Garey Barrell wrote:
>
> One thing I would add.  BEFORE using the "software" Image Rejection,
> Fine Tune the GAIN balance by adjusting the Left Channel control for
> best suppression.
>
> Someone else, somewhere, suggested leaving the LEFT GAIN at minimum with
> the RIGHT GAIN at 10 o'clock.  I believe the GAIN controls must be
> turned up somewhat, otherwise the S/N ratio will be degraded.
>
> So it might take some playing with the GAIN controls to get the best s/n
> ratio, AND "equal" gain through both channels.
>
>
>  Garey,
>
>    correct, it is best to try to achieve the best balance (read : image
> suppression) acting on the hardware (Tayloe mixer, post amplifiers and sound
> adapter controls)
> with the software adjustments still at zero.
> Only when you are not able to balance it better, then use what the software
> offers you to fine tune that balance.
>
> Regarding the Gain controls, remember that, as written in the documentation
> of the sound adapter, those controls adjust the "additional" gain given to
> each channel...
> They must not be regarded as a conventional volume control, where the zero
> position means that no gain is applied.... in the E-MU 0202 each channel has
> a base gain, which is not
> that low, that can increased, if need be, using the controls on the front
> of the adapter. So leaving the right channel gain at zero does not incur in
> a bad S/N ratio.
> The two channels are slightly different from each other, as one is meant
> also for the microphone, while the other isn't. That's why it is advisable
> to increase slightly from the zero
> position the left channel "additional" gain. It is too easy to wrongly
> adjust them so to incur in a bad saturation situation.... I know... by
> experience....  :-(
>
> 73  Alberto  I2PHD
>
>  
>

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