AudioEchoCancellation interface

Echo cancellation configuration for server-side audio processing.

Properties

Number of input audio channels.

1: Mono input (default).
2: Interleaved stereo input where channel 0 is the microphone signal and channel 1 is the echo reference signal. When set to 2, reference_source must be client and input_audio_format must be pcm16.

The source of the echo cancellation reference signal.

server: EC uses the internal TTS loopback as the reference signal (default, existing behavior).
client: EC uses the client-supplied reference channel (ch1 of stereo input). Internal TTS loopback is skipped.

The type of echo cancellation model to use.

Number of input audio channels.

1: Mono input (default).
2: Interleaved stereo input where channel 0 is the microphone signal and channel 1 is the echo reference signal. When set to 2, reference_source must be client and input_audio_format must be pcm16.

channels?: number

number

The source of the echo cancellation reference signal.

server: EC uses the internal TTS loopback as the reference signal (default, existing behavior).
client: EC uses the client-supplied reference channel (ch1 of stereo input). Internal TTS loopback is skipped.

referenceSource?: string

string

The type of echo cancellation model to use.

type: "server_echo_cancellation"

"server_echo_cancellation"