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Rebrand to FastRTC (#60)

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---------

Co-authored-by: Freddy Boulton <freddyboulton@hf-freddy.local>

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---------

Co-authored-by: Freddy Boulton <freddyboulton@hf-freddy.local>
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Freddy Boulton
2025-02-24 01:13:42 -05:00
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docs/faq.md
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@@ -1,34 +1,37 @@
## Demo does not work when deploying to the cloud
Make sure you are using a TURN server. See [deployment](/deployment).
Make sure you are using a TURN server. See [deployment](../deployment).
## Recorded input audio sounds muffled during output audio playback
By default, the microphone is [configured](https://github.com/freddyaboulton/gradio-webrtc/blob/903f1f70bd586f638ad3b5a3940c7a8ec70ad1f5/backend/gradio_webrtc/webrtc.py#L575) to do echoCancellation.
By default, the microphone is [configured](https://github.com/freddyaboulton/gradio-webrtc/blob/903f1f70bd586f638ad3b5a3940c7a8ec70ad1f5/backend/gradio_webrtc/webrtc.py#L575) to do echo cancellation.
This is what's causing the recorded audio to sound muffled when the streamed audio starts playing.
You can disable this via the `track_constraints` (see [advanced configuration](./advanced-configuration])) with the following code:
You can disable this via the `track_constraints` (see [Advanced Configuration](../advanced-configuration)) with the following code:
```python
audio = WebRTC(
label="Stream",
track_constraints={
"echoCancellation": False,
"noiseSuppression": {"exact": True},
"autoGainControl": {"exact": True},
"sampleRate": {"ideal": 24000},
"sampleSize": {"ideal": 16},
"channelCount": {"exact": 1},
},
rtc_configuration=None,
mode="send-receive",
modality="audio",
)
stream = Stream(
track_constraints={
"echoCancellation": False,
"noiseSuppression": {"exact": True},
"autoGainControl": {"exact": True},
"sampleRate": {"ideal": 24000},
"sampleSize": {"ideal": 16},
"channelCount": {"exact": 1},
},
rtc_configuration=None,
mode="send-receive",
modality="audio",
)
```
## How to raise errors in the UI
You can raise `WebRTCError` in order for an error message to show up in the user's screen. This is similar to how `gr.Error` works.
!!! warning
The `WebRTCError` class is only supported in the `WebRTC` component.
Here is a simple example:
```python