[GoldSource] Remake "Voice" tab

[ghost]

Current state

• Enable voice in this game controls voice_modenable. This cvar doesn't change anything. With voice_modenable 0 I can talk and hear voices in-game.
• Voice transmit volume doesn't change anything.
• Voice receive volume controls voice_scale.
• Test microphone button doesn't work [CS 1.6 - BUG] Test Microphone button doesn't work #242 fixed
• Boost microphone gain doesn't change anything.
• Copyright is outdated. Steam uses SILK voice codec. http://store.steampowered.com/news/5161/

My suggestion

• Enable voice in this game should control voice_enable instead of voice_modenable
  (and I suggest to rename it to Enable voice chat).
• Delete or fix redundant controls: Voice transmit volume, Boost microphone gain
• Fix Voice receive volume (voice_scale) (see below).
• Delete or fix Test microphone button. fixed
• Delete or update copyright.

I think Voice transmit volume, Voice receive volume, Boost microphone gain should be connected to Steam Settings - make them common:

or delete Voice transmit volume and Boost microphone gain because they don't affect voice in-game.

P.S.
Seems like those cvars are dead:

voice_dsound
voice_modenable
voice_forcemicrecord
voice_inputfromfile
voice_profile

[MaximilianKohler]

Also, if you use voice_enable 0 you have to restart cs in order to turn it back on again. It would be much more preferable if it didn't require a restart.

[ghost]

@MaximilianKohler You don't have to anymore. It is fixed. And you didn't have to restart the game before. Just reconnect to a server

[MaximilianKohler]

It would be nice if you could make an "sv_alltalk 2" that enables people to hear their dead teammates but not the other team. It would be great for pug servers where people can't use vent.