From: Takashi Iwai <tiwai@suse.de>
To: t.schorpp@gmx.de
Cc: alsa-devel@lists.sourceforge.net
Subject: Re: [Fwd: Re: newer C-Media CMI9761A, your testpatches], unrequested headphone-out, equalizer set
Date: Tue, 22 Feb 2005 12:46:14 +0100 [thread overview]
Message-ID: <s5h650k24xl.wl@alsa2.suse.de> (raw)
In-Reply-To: <42162C3C.6000703@gmx.de>
At Fri, 18 Feb 2005 18:56:12 +0100,
thomas schorpp wrote:
>
> hello,
>
> tonight i discovered one more issue:
>
> sound output quality of the looped through lines conn. to external
> hifi-amplifier:
>
> - - low+high band drain > 6dB or mid-band gain > 6dB
>
> possible causes:
>
> - - driver sets headphone output instead of external ampflifier mode
> (poss. wrong output impedance effecting fr-linearity)
>
> tried switching in mixer, result negative.
>
> - - the build-in equalizer is set implicitely online by the driver.
Well, for fixing both cases, we would need the datasheet...
Takashi
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prev parent reply other threads:[~2005-02-22 11:46 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-18 17:56 [Fwd: Re: newer C-Media CMI9761A, your testpatches], unrequested headphone-out, equalizer set thomas schorpp
2005-02-18 20:43 ` [Fwd: Re: newer C-Media CMI9761A, unrequested headphone-out, equalizer set, [CLOSED] thomas schorpp
2005-02-18 23:13 ` [Fwd: Re: newer C-Media CMI9761A], No PCM Master slider functional thomas schorpp
2005-02-22 11:46 ` Takashi Iwai [this message]
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