From: Patrick Shirkey <pshirkey@boosthardware.com>
Cc: alsa-devel@lists.sourceforge.net, tiwai@suse.de
Subject: USB recording - repetitive peaks
Date: Tue, 02 Jul 2002 23:28:08 +0900 [thread overview]
Message-ID: <3D21B878.8090902@boosthardware.com> (raw)
In-Reply-To: s5hhejibem0.wl@alsa2.suse.de
Thanks to your patch Takashi we have two people who have been able to
record through the quattro.
We have both found that there is a constant repetitive peak in the
signal which reminds me of the problems I had with the cmipci for a
brief period.
Thorsten Hass has recorded a perfect example for you which he did using
aplay and arecord. It is a sine wave so is easy on the ears.
http://www.thorstenhaas.de/alsa/audio.file
He has also generated a jpeg plotted by an oscilloscope while recording
which I can send you if it will help.
He has also asked if there is any chance you will have time to look at
this in the two weeks. I believe he has to do some work with his device
so needs to make a decision about which OS to use for the job.
--
Patrick Shirkey - Boost Hardware Ltd.
For the discerning hardware connoisseur
Http://www.boosthardware.com
Http://www.boosthardware.com/LAU/guide/
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next prev parent reply other threads:[~2002-07-02 14:28 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-01 17:07 [PATCH] USB MIDI driver Clemens Ladisch
2002-07-02 10:36 ` Takashi Iwai
2002-07-02 14:28 ` Patrick Shirkey [this message]
2002-07-02 14:57 ` USB recording - repetitive peaks Takashi Iwai
2002-07-02 15:35 ` Patrick Shirkey
2002-07-02 16:03 ` Takashi Iwai
2002-07-02 16:37 ` Patrick Shirkey
2002-07-02 16:39 ` Takashi Iwai
2002-07-02 17:08 ` Patrick Shirkey
2002-07-02 17:29 ` Takashi Iwai
2002-07-02 18:04 ` Patrick Shirkey
2002-07-02 18:26 ` Patrick Shirkey
2002-07-02 18:38 ` Patrick Shirkey
2002-07-04 9:41 ` Takashi Iwai
2002-07-03 8:55 ` Takashi Iwai
2002-07-04 16:23 ` Patrick Shirkey
2002-07-04 16:26 ` Takashi Iwai
2002-07-04 17:15 ` Patrick Shirkey
2002-07-04 17:27 ` Paul Davis
2002-07-05 13:44 ` Takashi Iwai
2002-07-05 18:19 ` Patrick Shirkey
2002-07-05 18:37 ` Patrick Shirkey
2002-07-04 18:59 ` Thorsten Haas
2002-07-05 6:56 ` Thorsten Haas
2002-07-05 8:34 ` Patrick Shirkey
2002-07-05 8:38 ` Thorsten Haas
2002-07-05 9:06 ` Thorsten Haas
2002-07-05 15:35 ` Takashi Iwai
2002-07-03 5:18 ` Fernando Pablo Lopez-Lezcano
2002-07-03 8:50 ` Takashi Iwai
2002-07-02 16:07 ` Patrick Shirkey
2002-07-02 14:51 ` Re: [PATCH] USB MIDI driver Takashi Iwai
2002-07-02 20:40 ` Pedro Lopez-Cabanillas
2002-07-02 22:10 ` Pedro Lopez-Cabanillas
2002-07-03 12:52 ` Clemens Ladisch
2002-07-03 13:18 ` Takashi Iwai
2002-07-03 14:42 ` Clemens Ladisch
2002-07-04 9:47 ` Takashi Iwai
2002-07-04 11:52 ` Clemens Ladisch
2002-07-05 7:55 ` Clemens Ladisch
2002-07-05 13:40 ` Takashi Iwai
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