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support mod_vad_detect (#762)

Browse Source 
* support mod_vad_detect

* wip

* update verb spec and drachtio fsmrf

* Update example-voicemail-greetings.json (#761)

Update voicemail english greetings

* wip

* stopvad if playdone

---------

Co-authored-by: Vinod Dharashive <vdharashive@gmail.com>
This commit is contained in:
Hoan Luu Huu
2024-05-29 18:31:59 +07:00
committed by GitHub
parent 24b6d2464b
commit 498dd64025
7 changed files with 73 additions and 30 deletions
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3
lib/utils/constants.json
View File

@@ -134,6 +134,9 @@
"ConnectFailure": "assemblyai_transcribe::connect_failed",
"Connect": "assemblyai_transcribe::connect"
},
"VadDetection": {
"Detection": "vad_detect:detection"
},
"ListenEvents": {
"Connect": "mod_audio_fork::connect",
"ConnectFailure": "mod_audio_fork::connect_failed",

10
lib/utils/transcription-utils.js
View File

@@ -474,18 +474,8 @@ module.exports = (logger) => {
const setChannelVarsForStt = (task, sttCredentials, language, rOpts = {}) => {
let opts = {};
const {enable, voiceMs = 0, mode = -1} = rOpts.vad || {};
const vad = {enable, voiceMs, mode};
const vendor = rOpts.vendor;
/* voice activity detection works across vendors */
opts = {
...opts,
...(vad.enable && {START_RECOGNIZING_ON_VAD: 1}),
...(vad.enable && vad.voiceMs && {RECOGNIZER_VAD_VOICE_MS: vad.voiceMs}),
...(vad.enable && typeof vad.mode === 'number' && {RECOGNIZER_VAD_MODE: vad.mode}),
};
if ('google' === vendor) {
const useV2 = rOpts.googleOptions?.serviceVersion === 'v2';
const model = task.name === TaskName.Gather ?