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Full Discussion: Basic Android platform information.
Operating Systems Linux Android Basic Android platform information. Post 302851185 by wisecracker on Saturday 7th of September 2013 10:49:48 AM
Old 09-07-2013
Crikey, I am not that good...

But I will certainly have a go. Remember; I am an amateur not a pro' and I code badly.
I can't get onto a machine until I get home from work and also I am almost 63 so my
dexterity is not as good as it once was...

LBNL, I have built the HW add-on for the shell AudioScope elsewhere on here but not
had time to modify the code, test and calibrate as yet. Also I might even change my mind
and transformer couple to the mic socket, to completely isolate the measuring input from
the computer mic input...

However I will take on the challenge and try my best... ;o)

I can honsetly say that this site stands head and shoulders above a Mac Forum site I
joined ages ago. I will never post there again - nuff said...
 

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LEARN ABOUT DEBIAN

smmixer

SMMIXER(8)						     Linux Programmer's Manual							SMMIXER(8)

NAME

       smmixer - get/set Linux soundcard packet radio modem driver mixer

SYNOPSIS

       smmixer [-i device] [ params ]

DESCRIPTION

       smmixer displays and/or sets the input source and input and output levels of a soundcard modem port.

OPTIONS

       smmixer accepts the following option:

       -i     The  device argument specifies the soundcard modem device which should be configured or interrogated.  It will usually have the fol-
	      lowing form: sm[0-3].

PARAMETERS

       The AD1848 (WSS) mixer accepts the following parameters:

       ol=val sets the level of the left output to the specified value. Legal values are from -100..0dB.

       or=val sets the level of the right output to the specified value. Legal values are from -100..0dB.

       o=val  sets the level of both outputs to the specified value. Legal values are from -100..0dB.

       il=val sets the level of the left input to the specified value. Legal values are from 0..43dB.

       ir=val sets the level of the right input to the specified value. Legal values are from 0..43dB.

       i=val  sets the level of both inputs to the specified value. Legal values are from 0..43dB.

       sl=val sets the source of the left input to the specified value. Legal values are line, aux1, mic or dac.

       sr=val sets the source of the right input to the specified value. Legal values are line, aux1, mic or dac.

       s=val  sets the source of both inputs to the specified value. Legal values are line, aux1, mic or dac.

       The CT1335 (SB2.x) mixer accepts the following parameter:

       o=val  sets the output level to the specified value. Legal values are from -46..0dB.

       The CT1345 (SBPro) mixer accepts the following parameters:

       ol=val sets the level of the left output to the specified value. Legal values are from -46..0dB.

       or=val sets the level of the right output to the specified value. Legal values are from -46..0dB.

       o=val  sets the level of both outputs to the specified value. Legal values are from -46..0dB.

       s=val  sets the input source to the specified value. Legal values are mic, cd or line.

       The CT1745 (SB16, SB32 AWE) mixer accepts the following parameters:

       ol=val sets the level of the left output to the specified value. Legal values are from -62..18dB.

       or=val sets the level of the right output to the specified value. Legal values are from -62..18dB.

       o=val  sets the level of both outputs to the specified value. Legal values are from -62..18dB.

       il=val sets the level of the left input to the specified value. Legal values are from -62..18dB.

       ir=val sets the level of the right input to the specified value. Legal values are from -62..18dB.

       i=val  sets the level of both inputs to the specified value. Legal values are from -62..18dB.

       s=val  enables the specified value as a source. Legal values are line, line.l, line.r, midi, midi.l, midi.r, cd, cd.l, cd.r or mic.

CONSIDERATIONS

       It is important that the audio levels of your radio match those of the soundcard. To help achieve this, use the smdiag utility.

       This utility can only be used after the interface is started up, i.e. after ifconfig sm? up.

       The sound driver and the soundcard modem driver are mutually exclusive, i.e. they cannot both access the same soundcard at the  same  time.
       Even  worse,  the  sound  driver reserves the soundcard as soon as it gets loaded. The souncard modem driver however reserves the card only
       when the interface is started, i.e. during ifconfig if up.

       9600 baud may not currently work on SoundBlaster cards with DSP revision 4.x, i.e.  SB16 and SB32 AWE. This is because they seem to not	be
       fully backwards compatible.

SEE ALSO

       smdiag (8), sethdlc (8), linux/drivers/net/soundmodem.c

AUTHOR

       smmixer was written by Thomas Sailer (t.sailer@alumni.ethz.ch).

Smmixer 0.1							  1 October 1996							SMMIXER(8)
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