Push-to-talk

Implement push-to-talk voice transmission mode.

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最后更新于 8 个月前

Many games feature push-to-talk (PTT) functionality, which allows users to control when they have a live microphone. For most users, it is sufficient to globally mute or unmute the microphone by using

IAudioDevices::SetMuted()

. However, the following scenarios detail when we recommend that you instead use transmission to selectively silence a user.

If a user has more than one audio source (for example, if they are both speaking into a microphone and are injecting audio), then muting only the microphone does not stop the injected audio. For example, if someone else mutes the user, then all of the user's audio is muted.
To use PTT to turn on or turn off muting for both microphone audio and injected audio, we recommend that you set transmission between
```
None
```
and
```
Single/All
```
.
If a user is in two audio channels (for example, 2D team chat and 3D area chat), and you want separate PTT keys for each channel to allow the user to speak into only one channel (or both) at a time when enabled, and into no channels when disabled, then we recommend that you use SetTransmissionMode() between each of the different modes as appropriate.
If you want a single PTT key to turn on or turn off muting for all channels at a time rather than individually, then switching transmission between
```
All/None
```
has no real advantage over only muting the mic, except for when you are injecting audio.

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