That's correct,

Boost are In/Out channels with volume and no mute
Switch are mute only channels

I used amixer output as reference
$amixer -c 0 | grep Simple

Simple mixer control 'Master',0
Simple mixer control 'Headphone',0                  => Switch
Simple mixer control 'PCM',0
Simple mixer control 'Front',0                      => Switch
Simple mixer control 'Front Mic',0
Simple mixer control 'Front Mic Boost',0            => Boost
Simple mixer control 'Line',0
Simple mixer control 'Line Boost',0                 => Boost
Simple mixer control 'CD',0
Simple mixer control 'Mic',0
Simple mixer control 'Mic Boost',0                  => Boost
Simple mixer control 'IEC958',0
Simple mixer control 'IEC958 Default PCM',0         => Switch
Simple mixer control 'IEC958 Playback Source',0
Simple mixer control 'Beep',0
Simple mixer control 'Mono',0
Simple mixer control 'Capture',0
Simple mixer control 'Capture',1
Simple mixer control 'Input Source',0
Simple mixer control 'Input Source',1

Some Details:

Simple mixer control 'Headphone',0
  Capabilities: pswitch
  Playback channels: Front Left - Front Right
  Mono:
  Front Left: Playback [off]
  Front Right: Playback [off]

Simple mixer control 'Front Mic Boost',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 3
  Front Left: 0 [0%] [0.00dB]
  Front Right: 0 [0%] [0.00dB]

best regards
Jérémy

On Friday 05 April 2013  13:06, Massimo Maiurana wrote :
> Forwarding from the e-intl ML a question about the meaning of two
> strings in the mixer module, can someone please clarify them?
> 
> 
> -------- Messaggio originale --------
> Oggetto:      Re: [Enlightenment-intl] (no subject)
> Data:         Fri, 5 Apr 2013 08:57:24 +0100
> Mittente:     Sérgio Marques <[email protected]>
> Rispondi-a:   Enlightenment internationalisation list
> <[email protected]>
> A:    Enlightenment internationalisation list
> <[email protected]>
> 
> 
> 
> HI Massimo and thanks for You answer.
> 
> The changes were added by Jérémy Zurcher in commit
> 9256bc3e28343407934a02b51af0f422c97906c7
> <http://www.mail-archive.com/[email protected]/msg00309.html>
> 
> Can You please ask in dev list for this?
> 
> 
> 2013/4/4 Massimo Maiurana <[email protected] <mailto:[email protected]>>
> 
>     Sérgio Marques, il 04/04/2013 11:00, ha scritto:
>     > Attached Portuguese update for e
> 
>     committed
> 
>     > In this file there are these strings used in mixer:
>     >
>     > Boost
>     > Switch
>     >
>     > Does anyone knows wht they do or intended for ?
> 
>     I think "boost" is just a software amplification, and "switch" is...
>     just a switch, with the meaning of turning on/off a certain channel. But
>     I may be wrong, so don't rely on what I think ;)
> 
>     --
> 
>       Massimo Maiurana               GPG keyID #7044D601
> 
>       La fede e' credere in cio' che sai non essere vero
>                         [Mark Twain]
> 
> 
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> 
> 
> -- 
> Sérgio Marques
> 
> ------------------------------------------------------------------------------
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-- 
Jérémy Zurcher
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