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Under GNU General Public License
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iecset(1) iecset(1)
NAME
iecset - Set or dump IEC958 status bits
SYNOPSIS
iecset [options] [cmd arg...]
DESCRIPTION
iecset is a small utility to set or dump the IEC958 (or so-called "S/PDIF") status
bits of the specified sound card via ALSA control API.
When iecset is started without arguments except for options, it will show the cur-
rent IEC958 status in a human-readable form. When the commands are given in the
arguments, they are parsed and the IEC958 status bits are updated. The resultant
status is shown as well.
The commands consist of the command directive and the argument. As the boolean
argument, yes, no, true, false, or a digit number is allowed.
EXAMPLES
iecset -Dhw:1
Displays the current IEC958 status bits on the second card. This is equiva-
lent with -c 1.
iecset -x
Displays the current IEC958 status bits in a style of the arguments for the
PCM stream. The output string can be passed to the iec958 (or spdif) PCM
type as the optional argument.
iecset pro off audio off
Sets the current status to the consumer-mode and turns on the non-audio bit.
The modified status will be shown, too.
OPTIONS
-D device
Specifies the device name of the control to open
-c card
Specifies the card index to open. Equivalent with -Dhw:x.
-x Dumps the status in the form of AESx bytes.
-i Reads the command sequences from stdin. Each line has single command.
COMMANDS
professional <bool>
The professional mode (true) or consumer mode (false).
audio <bool>
The audio mode (true) or non-audio mode (false).
rate <int>
The sample rate in Hz.
emphasis <int>
The emphasis: 0 = none, 1 = 50/15us, 2 = CCITT.
lock <bool>
Rate lock: locked (true), unlocked (false). This command is for the profes-
sional mode only.
sbits <int>
Sample bits: 2 = 20bit, 4 = 24bit, 6 = undefined. This command is for the
professional mode only.
wordlength <int>
Wordlength: 0 = No, 2 = 22-18 bit, 4 = 23-19 bit, 5 = 24-20 bit, 6 = 20-16
bit. This command is for the professional mode only.
category <int>
Category: the value is from 0 to 0x7f. This command is for the consumer
mode only.
copyright <bool>
Copyright: copyrighted (true), non-copyrighted (false). This command is for
the consumer mode only.
original <boo>
Original flag: original (true), 1st generation (false). This command is for
the consumer mode only.
AUTHOR
Takashi Iwai <tiwai AT suse.de>
23 Oct 2003 iecset(1)
Generated by $Id: phpMan.php,v 4.49 2006/02/26 13:18:18 chedong Exp $ Author: Che Dong
On Apache/1.3.37 (Unix) mod_throttle/3.1.2 FrontPage/5.0.2.2635 mod_psoft_traffic/0.2 mod_ssl/2.8.28 OpenSSL/0.9.8b
Under GNU General Public License
2008-11-21 05:58 @38.103.63.55 Crawled by CCBot/1.0 (+http://www.commoncrawl.org/bot.html)