1) Does HLDJ launch the game correctly for you?
Yes
2) Does "HLDJ Loaded Successfully" appear in console on starting the game (with no errors)?
Yes
3) What is the console output after selecting a song, or issuing other HLDJ commands such as "hldj_next"?
Host_WriteConfiguration: Wrote cfg/hldj_cmd_b.cfg
Loaded : 1227593622.nobuyuki_nobuyuki_-_heavy_breakfast_machine
4) After loading one of the sample audio files, perform a search of your Steam directory (without stopping HLDJ) for the file "voice_input.wav" - does it show up, and if so, where?
C:\Program Files (x86)\Steam\steamapps\9999duke\team fortress 2
5) Does voice normally work for you? If not, or you do not have a mic, have you remembered to set up any applicable options in your operating system and/or the game?
Yup.
HLDJ isn't working for TF2
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Re: HLDJ isn't working for TF2
Everything seems to be functioning as it should, make sure you are playing on a server that has sv_allow_voice_input_from_file set to 1.
Re: HLDJ isn't working for TF2
I've tried doing it on mic-spam friendly servers and it doesn't work and they definitely have sv_allow_voice_input_from_file set to 1.
Re: HLDJ isn't working for TF2
Make sure your audio is properly converted, test with the sample audio (or ones you've converted through HLDJ's audio converter) on your own local server.