oss settings

ajtiM lumiwa at gmail.com
Sun Aug 29 12:43:05 UTC 2010 

My system: FreeBSD 8.0-RELEASE-p4 #0, KDE 4.4.5
I installed oss from ports, sound works but problem is with microphone. 
Settings in Kmix are very low 1:1. If I put higher than I get very loud sound 
from speakers.

ossmix shows:
Selected mixer 0/SB Live (EM28028)
Known controls are:
line [<leftvol>:<rightvol>] (currently 40:40)
line.rec ON|OFF (currently OFF)
mic <monovol> (currently 1)
mic.rec ON|OFF (currently ON)
cd [<leftvol>:<rightvol>] (currently 75:75)
cd.rec ON|OFF (currently OFF)
igain [<leftvol>:<rightvol>] (currently 49:49)
aux1 [<leftvol>:<rightvol>] (currently 1:1)
aux1.rec ON|OFF (currently OFF)
phone [<leftvol>:<rightvol>] (currently 26:26)
phone.rec ON|OFF (currently OFF)
rear [<leftvol>:<rightvol>] (currently 71:71)
center [<leftvol>:<rightvol>] (currently 63:63)
autorese ON|OFF (currently ON)
spkmode <FRONT|SURR|FRONT+SURR|DISCRETE> (currently FRONT+SURR)
pcm.main <monovol> (currently 100)
vmix0-enable ON|OFF (currently ON)
vmix0-rate <decimal value> (currently 48000) (Read-only)
vmix0-src <High|OFF> (currently Fast)
vmix0-outvol <monovol> (currently 24.7 dB)
vmix0-invol <monovol> (currently 25.0 dB)
vmix0.pcm1 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB)
vmix0.pcm2 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB)
vmix0.pcm3 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB)
vmix0.pcm4 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB)
pcm2 [<leftvol>:<rightvol>] (currently 60:60)
vol [<leftvol>:<rightvol>] (currently 38:38)
equalizer.prescale <monovol> (currently 100)
equalizer.lo <monovol> (currently 128)
equalizer.mid <monovol> (currently 128)
equalizer.hi <monovol> (currently 128)
equalizer.xhi <monovol> (currently 128)
equalizer.bypass ON|OFF (currently OFF)
front.spdif <monovol> (currently 100)
front.digcd <monovol> (currently 100)
front.ac97 <monovol> (currently 0)
front.pcm <monovol> (currently 100)
front.aux <monovol> (currently 100)
front.vol [<leftvol>:<rightvol>] (currently 100:100)
surr.spdif <monovol> (currently 0)
surr.digcd <monovol> (currently 0)
surr.ac97 <monovol> (currently 0)
surr.pcm <monovol> (currently 100)
surr.aux <monovol> (currently 0)
surr.vol [<leftvol>:<rightvol>] (currently 100:100)
record.spdif <monovol> (currently 100)
record.digcd <monovol> (currently 100)
record.ac97 <monovol> (currently 100)
record.pcm <monovol> (currently 0)
record.aux <monovol> (currently 100)
record.vol [<leftvol>:<rightvol>] (currently 100:100)

ossinfo shows:ossinfo -v3
Version info: OSS 4.2 (b 2003/201008282217) (0x00040100) BSD
Platform: FreeBSD/i386 8.0-RELEASE-p4 FreeBSD 8.0-RELEASE-p4 #0: Mon Jul 12 
20:22:27 UTC 2010     root at i386-
builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC (athena.wi.rr.com)

Number of audio devices:        5
Number of audio engines:        9
Number of MIDI devices:         1
Number of mixer devices:        1


Device objects
 0: oss_sblive0 SB Live interrupts=2446043 (2632294)

MIDI devices (/dev/midi*)
0: SB Live external MIDI (MIDI port 1 of device object 0)
    Device file /dev/oss/oss_sblive0/mid0, Legacy device /dev/midi00
    Modes: IN/OUT , Available for use 
    Caps: 
    Minimum latency: Not indicated
    Device handle: OSS-PCI-md01


Mixer devices
 0: SB Live (EM28028) (Mixer 0 of device object 0)
    Device file /dev/oss/oss_sblive0/mix0, Legacy device /dev/mixer0
    Priority: 2
    Caps: 
    Device handle: OSS-PCI-mx01
    Device priority: 2


Audio devices
SB Live main                      /dev/oss/oss_sblive0/pcm0  (device index 0)
    Legacy device /dev/dsp0
    Caps: DUPLEX TRIGGER MMAP 
    Modes: IN/OUT 
      Engine      1: 0/SB Live main
                     Available for use 
      Engine      2: 1/SB Live main (vmix)
                     Available for use 
      Engine      3: 2/SB Live main (vmix)
                     Available for use 
      Engine      4: 3/SB Live main (vmix)
                     Available for use 
      Engine      5: 4/SB Live main (vmix)
                     Available for use 
    Input formats (0x00000010):
      AFMT_S16_LE       - 16 bit signed little endian
    Output formats (0x00000418):
      AFMT_U8           - 8 bit unsigned
      AFMT_S16_LE       - 16 bit signed little endian
      AFMT_AC3          - AC3 (Dolby Digital) encoded audio
    Device handle: OSS-PCI-au01
    Related mixer dev: 0
    Sample rate source: 0
    Preferred channel configuration: Not indicated
    Supported number of channels (min - max): 1 - 2
    Native sample rates (min - max): 8000 - 48000 
(8000,11025,16000,22050,24000,32000,44100,48000)
    HW Type: Not indicated.
    Minimum latency: Not indicated

SB Live front out                 /dev/oss/oss_sblive0/pcm1  (device index 1)
    Legacy device /dev/dsp1
    Caps: TRIGGER MMAP 
    Modes: OUTPUT 
      Out engine  1: 5/SB Live front out
                     Available for use 
    Input formats (0x00000010):
      AFMT_S16_LE       - 16 bit signed little endian
    Output formats (0x00000418):
      AFMT_U8           - 8 bit unsigned
      AFMT_S16_LE       - 16 bit signed little endian
      AFMT_AC3          - AC3 (Dolby Digital) encoded audio
    Device handle: OSS-PCI-au02
    Related mixer dev: 0
    Sample rate source: 0
    Preferred channel configuration: Not indicated
    Supported number of channels (min - max): 1 - 2
    Native sample rates (min - max): 8000 - 48000 
(8000,11025,16000,22050,24000,32000,44100,48000)
    HW Type: Not indicated.
    Minimum latency: Not indicated

SB Live side out                  /dev/oss/oss_sblive0/pcm2  (device index 2)
    Legacy device /dev/dsp2
    Caps: TRIGGER MMAP 
    Modes: OUTPUT 
      Out engine  1: 6/SB Live side out
                     Available for use 
    Input formats (0x00000010):
      AFMT_S16_LE       - 16 bit signed little endian
    Output formats (0x00000418):
      AFMT_U8           - 8 bit unsigned
      AFMT_S16_LE       - 16 bit signed little endian
      AFMT_AC3          - AC3 (Dolby Digital) encoded audio
    Device handle: OSS-PCI-au03
    Related mixer dev: 0
    Sample rate source: 0
    Preferred channel configuration: Not indicated
    Supported number of channels (min - max): 1 - 2
    Native sample rates (min - max): 8000 - 48000 
(8000,11025,16000,22050,24000,32000,44100,48000)
    HW Type: Not indicated.
    Minimum latency: Not indicated

SB Live center/lfe out            /dev/oss/oss_sblive0/pcm3  (device index 3)
    Legacy device /dev/dsp3
    Caps: TRIGGER MMAP 
    Modes: OUTPUT 
      Out engine  1: 7/SB Live center/lfe out
                     Available for use 
    Input formats (0x00000010):
      AFMT_S16_LE       - 16 bit signed little endian
    Output formats (0x00000418):
      AFMT_U8           - 8 bit unsigned
      AFMT_S16_LE       - 16 bit signed little endian
      AFMT_AC3          - AC3 (Dolby Digital) encoded audio
    Device handle: OSS-PCI-au04
    Related mixer dev: 0
    Sample rate source: 0
    Preferred channel configuration: Not indicated
    Supported number of channels (min - max): 1 - 2
    Native sample rates (min - max): 8000 - 48000 
(8000,11025,16000,22050,24000,32000,44100,48000)
    HW Type: Not indicated.
    Minimum latency: Not indicated

SB Live 5.1 output device         /dev/oss/oss_sblive0/pcm4  (device index 4)
    Legacy device /dev/dsp4
    Caps: TRIGGER MMAP 
    Modes: OUTPUT 
      Out engine  1: 8/SB Live 5.1 output device
                     Available for use 
    Input formats (0x00000010):
      AFMT_S16_LE       - 16 bit signed little endian
    Output formats (0x00000010):
      AFMT_S16_LE       - 16 bit signed little endian
    Device handle: OSS-PCI-au05
    Related mixer dev: -1
    Sample rate source: 5
    Preferred channel configuration: MULTICH
    Supported number of channels (min - max): 2 - 6
    Native sample rates (min - max): 8000 - 48000
    HW Type: Not indicated.
    Minimum latency: Not indicated


Nodes
  /dev/dsp -> /dev/oss/oss_sblive0/pcm0
  /dev/dsp_in -> /dev/oss/oss_sblive0/pcm0
  /dev/dsp_out -> /dev/oss/oss_sblive0/pcm0
  /dev/dsp_ac3 -> /dev/oss/oss_sblive0/pcm0
  /dev/dsp_mmap -> /dev/oss/oss_sblive0/pcm0
  /dev/dsp_multich -> /dev/oss/oss_sblive0/pcm4


...and mixer:

mixer
Mixer vol      is currently set to  38:38
Mixer pcm      is currently set to  60:60
Mixer line     is currently set to  40:40
Mixer mic      is currently set to   1:1
Mixer cd       is currently set to  75:75
Mixer igain    is currently set to  49:49
Mixer line1    is currently set to   1:1
Mixer phin     is currently set to  26:26
Recording source: mic

Thank you very much.

Mitja
--------
http://starikarp.redbubble.com

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