Push to talk doesn't work anymore

[Emanem]

Your system information

• System information from steam (Steam -> Help -> System Information) in a gist: https://gist.github.com/Emanem/efe2e443a5ab5e5b87507b09fec540bd
• Have you checked for system updates?: [Yes]
• Are you using the latest stable video driver available for your system? [Yes]
• Have you verified the game files?: [Yes]

Please describe your issue in as much detail as possible:

When I play the game, I use the ` key for push to talk. I can see the microphone becoming active (I get a weird icon with crossed red line although in the options menu I can see the green bar of voice being recorded). It has been working fine since forever but suddenly stopped now - I have tested the in game chat of Steam and microphone is indeed able to capture voice.

Steps for reproducing this issue:

1. Open the game
2. Launch any match
3. Try to talk (both push-to-talk or open-mic sorts the same effect)

Content of 'cfg' directory (grep for voice):

ema@scv:/disk4/SteamLibrary/steamapps/common/dota 2 beta/game/dota/cfg$ grep -ri -A1 -B1  voice
lan_server.cfg-tv_transmitall 1
lan_server.cfg:tv_relayvoice 0
lan_server.cfg-tv_snapshotrate 15
--
user_keys_dev_default.vcfg-     "c"         "dota_item_execute 2"
user_keys_dev_default.vcfg:     "g"         "+voicerecord"
user_keys_dev_default.vcfg-     "h"         "dota_hold"
--
user_keys_dev_default.vcfg-     "MOUSE2"    "attack2"       
user_keys_dev_default.vcfg:     "MOUSE4"    "+voicerecord"          
user_keys_dev_default.vcfg- }
--
user_0_slot0.vcfg-  "dota_spectator_use_broadcaster_stats_panel"        "true"
user_0_slot0.vcfg:  "voice_vox"     "0"
user_0_slot0.vcfg-  "dota_force_default_respawn_stinger"        "false"
--
user_115322474_slot0.vcfg-  "dota_spectator_use_broadcaster_stats_panel"        "true"
user_115322474_slot0.vcfg:  "voice_vox"     "0"
user_115322474_slot0.vcfg-  "dota_force_default_respawn_stinger"        "false"
--
machine_convars.vcfg-       "cl_updaterate"     "30"
machine_convars.vcfg:       "cl_voice_transmit_lobby"       "0"
machine_convars.vcfg-       "closecaption"      "0"
--
machine_convars.vcfg-       "snd_gain"      "1"
machine_convars.vcfg:       "snd_gamevoicevolume"       "0.596603"
machine_convars.vcfg-       "snd_gamevolume"        "0.754777"
--
machine_convars.vcfg-       "sv_unlockedchapters"       "1"
machine_convars.vcfg:       "sv_voiceenable"        "1"
machine_convars.vcfg-       "test_arcana_initial_info"      "1"
--
machine_convars.vcfg-       "violence_hgibs"        "1"
machine_convars.vcfg:       "voice_always_sample_mic"       "0"
machine_convars.vcfg:       "voice_chat_bubble_show_volume"     "1"
machine_convars.vcfg:       "voice_chat_bubbles"        "1"
machine_convars.vcfg:       "voice_modenable"       "1"
machine_convars.vcfg:       "voice_scale"       "1"
machine_convars.vcfg:       "voice_threshold"       "4000"
machine_convars.vcfg-       "volume"        "0.751061"

[Emanem]

Please consider this as closed - I had an issue with key bindings and when i figured it out I managed to make it work as intended.