From: Rene Herman <rene.herman@keyaccess.nl>
To: Takashi Iwai <tiwai@suse.de>
Cc: ALSA devel <alsa-devel@alsa-project.org>,
Andreas Mueller <andreas@stapelspeicher.org>,
linux-kernel@vger.kernel.org, MatzeBraun@gmx.de
Subject: Re: [PATCH] es1968: fix jitter on some maestro cards
Date: Mon, 14 Apr 2008 12:43:45 +0200 [thread overview]
Message-ID: <48033561.3070309@keyaccess.nl> (raw)
In-Reply-To: <s5habjwhh1p.wl%tiwai@suse.de>
On 14-04-08 12:22, Takashi Iwai wrote:
> At Tue, 01 Apr 2008 00:24:43 +0200,
> Rene Herman wrote:
>> On 30-03-08 00:49, Andreas Mueller wrote:
>>
>>> This patch suppresses jitter on several Maestro cards in stereo mode
>>> (ALSA of course).
>>>
>>> The patch is also incorporated in the *BSD drivers where I "ported" it from.
>>> I am barely used to driver-development so please take a look (esp. the channel
>>> parameters), nevertheless it completely works for me.
>>>
>>> Without this patch most of the stereo audio gets out of sync and really
>>> distorted (oss-emulation with mplayer at 48000khz worked somehow).
>>>
>>> CCed to those listed in the .c file.
>> Added the alsa-devel list (and re-attached the patch). My TerraTec DMX (ESS
>> Canyon3D, ES1970MS-3D) doesn't need this but doesn't seem to suffer from it
>> either. Otherwise no idea about this.
>
> This should depend on the sample rate you use. 48k would work without
> the patch.
Just to be clear archive-wise -- on this Canyon3D, so does 44100.
> Anyway, I applied it to ALSA tree now. Thanks.
Rene.
WARNING: multiple messages have this Message-ID (diff)
From: Rene Herman <rene.herman@keyaccess.nl>
To: Takashi Iwai <tiwai@suse.de>
Cc: Andreas Mueller <andreas@stapelspeicher.org>,
linux-kernel@vger.kernel.org, MatzeBraun@gmx.de,
ALSA devel <alsa-devel@alsa-project.org>
Subject: Re: [PATCH] es1968: fix jitter on some maestro cards
Date: Mon, 14 Apr 2008 12:43:45 +0200 [thread overview]
Message-ID: <48033561.3070309@keyaccess.nl> (raw)
In-Reply-To: <s5habjwhh1p.wl%tiwai@suse.de>
On 14-04-08 12:22, Takashi Iwai wrote:
> At Tue, 01 Apr 2008 00:24:43 +0200,
> Rene Herman wrote:
>> On 30-03-08 00:49, Andreas Mueller wrote:
>>
>>> This patch suppresses jitter on several Maestro cards in stereo mode
>>> (ALSA of course).
>>>
>>> The patch is also incorporated in the *BSD drivers where I "ported" it from.
>>> I am barely used to driver-development so please take a look (esp. the channel
>>> parameters), nevertheless it completely works for me.
>>>
>>> Without this patch most of the stereo audio gets out of sync and really
>>> distorted (oss-emulation with mplayer at 48000khz worked somehow).
>>>
>>> CCed to those listed in the .c file.
>> Added the alsa-devel list (and re-attached the patch). My TerraTec DMX (ESS
>> Canyon3D, ES1970MS-3D) doesn't need this but doesn't seem to suffer from it
>> either. Otherwise no idea about this.
>
> This should depend on the sample rate you use. 48k would work without
> the patch.
Just to be clear archive-wise -- on this Canyon3D, so does 44100.
> Anyway, I applied it to ALSA tree now. Thanks.
Rene.
next prev parent reply other threads:[~2008-04-14 10:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-29 23:49 [PATCH] es1968: fix jitter on some maestro cards Andreas Mueller
2008-03-31 22:24 ` Rene Herman
2008-03-31 22:24 ` Rene Herman
2008-04-14 10:22 ` Takashi Iwai
2008-04-14 10:22 ` Takashi Iwai
2008-04-14 10:43 ` Rene Herman [this message]
2008-04-14 10:43 ` Rene Herman
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