NB! It seems this console command is not compatible with CS2.

VOICE_CASTER_SCALE

CS:GO

Description

This command sets the volume of the GOTV caster. Default is 1, lower numbers (decimal) are quieter. 0 is off.

Syntax

voice_caster_scale [0 - 1]

Arguments

0 - 1 A number between 0 and 1 to represent the scale of the caster's voice. 1 being loudest and 0 being muted. 0.5 would be 50% volume.

Related commands

voice_enable
This command sets whether or not voice communication is enabled for your client. Setting this to 0 will disable voice. Default is 1 (enabled).
voice_scale
This command sets the volume of voice communications (i.e. how loud all other players microphones are). Default is 1 (loudest), 0 would mute, 0.5 would be 50% volume.
voice_forcemicrecord
This command, if set to 0, will make CS:GO not use your operating system's device set as the default microphone device.
voice_loopback
This command, if set to 1, will make your microphone playback via your speakers (i.e. you will hear your microphone). Default is 0 (disabled). Usually there is a little delay, this is normal.
voice_threshold
This command sets the volume theshold at which your microphone will be enabled if you are using voice activation. In other words, when your microphone is louder than this value, it will be transmitted in-game.
voice_mute
This command mutes the user with the specified ID. Find the ID of a user with the voice_show_mute command.
voice_show_mute
This command prints a list of players (with their player #s) who can be muted.
voice_unmute
This command unmutes a player who you have previously muted with the voite_mute command. Use voice_reset_mutelist to reset all mutes.