64 lines
2.5 KiB
Groff
64 lines
2.5 KiB
Groff
.\" $NetBSD: esm.4,v 1.5 2003/01/06 19:18:29 wiz Exp $
|
|
.\"
|
|
.\" Copyright (c) 2001 Rene Hexel
|
|
.\" All rights reserved.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 3. The name of the author may not be used to endorse or promote products
|
|
.\" derived from this software without specific prior written permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.Dd January 6, 2003
|
|
.Dt ESM 4
|
|
.Os
|
|
.Sh NAME
|
|
.Nm esm
|
|
.Nd ESS Technology Maestro 2/2E PCI Audio Accelerator audio device driver
|
|
.Sh SYNOPSIS
|
|
.Cd "esm* at pci? dev ? function ?"
|
|
.Cd "audio* at esm?"
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Nm
|
|
device driver supports sound cards based on ESS Technology Maestro,
|
|
Maestro-2, and Maestro-2E PCI AC97 Audio Accelerator chips (ES1968 and ES1978).
|
|
Due to their power management capabilities, the Maestro chips are often used
|
|
in laptop and notebook systems.
|
|
.Pp
|
|
The Maestro is a full-duplex device that allows independent playback and
|
|
recording at sample rates between 4000 Hz and 48 kHz.
|
|
The sound processor is capable of handling and converting 8 and 16 bit mono
|
|
and stereo data.
|
|
.Sh SEE ALSO
|
|
.Xr audio 4 ,
|
|
.Xr joy 4 ,
|
|
.Xr mpu 4 ,
|
|
.Xr pci 4
|
|
.Sh HISTORY
|
|
The
|
|
.Nm
|
|
device driver appeared in
|
|
.Nx 1.6 .
|
|
.Sh BUGS
|
|
Currently, this driver only supports 16-bit mono recording; an unknown bug
|
|
causes stereo recording to miss a channel.
|
|
Also not supported yet are hardware volume settings, MIDI, and joystick input.
|