0.0.25

support whisper tts

lib/synth-audio.js

@@ -14,7 +14,13 @@ const {
   CancellationDetails,
   SpeechSynthesisOutputFormat
 } = sdk;
-const {makeSynthKey, createNuanceClient, createKryptonClient, createRivaClient, noopLogger} = require('./utils');
+const {
+  makeSynthKey,
+  createNuanceClient,
+  createKryptonClient,
+  createRivaClient,
+  noopLogger
+} = require('./utils');
 const getNuanceAccessToken = require('./get-nuance-access-token');
 const {
   SynthesisRequest,
@@ -32,6 +38,7 @@ const {AudioEncoding} = require('../stubs/riva/proto/riva_audio_pb');
 const debug = require('debug')('jambonz:realtimedb-helpers');
 const EXPIRES = (process.env.JAMBONES_TTS_CACHE_DURATION_MINS || 4 * 60) * 60; // cache tts for 4 hours
 const TMP_FOLDER = '/tmp';
+const OpenAI = require('openai');
 
 
 const trimTrailingSilence = (buffer) => {
@@ -76,7 +83,8 @@ async function synthAudio(client, logger, stats, { account_sid,
   let rtt;
   logger = logger || noopLogger;
 
-  assert.ok(['google', 'aws', 'polly', 'microsoft', 'wellsaid', 'nuance', 'nvidia', 'ibm'].includes(vendor) ||
+  assert.ok(['google', 'aws', 'polly', 'microsoft',
+    'wellsaid', 'nuance', 'nvidia', 'ibm', 'elevenlabs', 'whisper'].includes(vendor) ||
   vendor.startsWith('custom'),
   `synthAudio supported vendors are google, aws, microsoft, nuance, nvidia and wellsaid, not ${vendor}`);
   if ('google' === vendor) {
@@ -110,6 +118,14 @@ async function synthAudio(client, logger, stats, { account_sid,
     language = 'en-US'; // WellSaid only supports English atm
     assert.ok(voice, 'synthAudio requires voice when wellsaid is used');
     assert.ok(!text.startsWith('<speak'), 'wellsaid does not support SSML tags');
+  } else if ('elevenlabs' === vendor) {
+    assert.ok(voice, 'synthAudio requires voice when elevenlabs is used');
+    assert.ok(credentials.api_key, 'synthAudio requires api_key when elevenlabs is used');
+    assert.ok(credentials.model_id, 'synthAudio requires model_id when elevenlabs is used');
+  } else if ('whisper' === vendor) {
+    assert.ok(voice, 'synthAudio requires voice when whisper is used');
+    assert.ok(credentials.model_id, 'synthAudio requires model when whisper is used');
+    assert.ok(credentials.api_key, 'synthAudio requires api_key when whisper is used');
   } else  if (vendor.startsWith('custom')) {
     assert.ok(credentials.custom_tts_url, `synthAudio requires custom_tts_url in credentials when ${vendor} is used`);
   }
@@ -125,8 +141,7 @@ async function synthAudio(client, logger, stats, { account_sid,
   if (['nuance', 'nvidia'].includes(vendor) ||
     (
       process.env.JAMBONES_TTS_TRIM_SILENCE &&
-      ['microsoft', 'azure'].includes(vendor) &&
-      !text.startsWith('<speak')
+      ['microsoft', 'azure'].includes(vendor)
     )
   ) {
     filePath = `${TMP_FOLDER}/${key.replace('tts:', `tts-${salt || ''}`)}.r8`;
@@ -178,6 +193,12 @@ async function synthAudio(client, logger, stats, { account_sid,
       case 'wellsaid':
         audioBuffer = await synthWellSaid(logger, {credentials, stats, language, voice, text, filePath});
         break;
+      case 'elevenlabs':
+        audioBuffer = await synthElevenlabs(logger, {credentials, stats, language, voice, text, filePath});
+        break;
+      case 'whisper':
+        audioBuffer = await synthWhisper(logger, {credentials, stats, voice, text});
+        break;
       case vendor.startsWith('custom') ? vendor : 'cant_match_value':
         ({ audioBuffer, filePath } = await synthCustomVendor(logger,
           {credentials, stats, language, voice, text, filePath}));
@@ -248,7 +269,8 @@ const synthGoogle = async(logger, {credentials, stats, language, voice, gender,
   const client = new ttsGoogle.TextToSpeechClient(credentials);
   const opts = {
     voice: {
-      name: voice,
+      ...(typeof voice === 'string' && {name: voice}),
+      ...(typeof voice === 'object' && {customVoice: voice}),
       languageCode: language,
       ssmlGender: gender || 'SSML_VOICE_GENDER_UNSPECIFIED'
     },
@@ -298,6 +320,48 @@ const synthIbm = async(logger, {credentials, stats, voice, text}) => {
   }
 };
 
+async function _synthOnPremMicrosoft(logger, {
+  credentials,
+  stats,
+  language,
+  voice,
+  text,
+  filePath
+}) {
+  const {use_custom_tts, custom_tts_endpoint_url} = credentials;
+  let content = text;
+
+  if (use_custom_tts && !content.startsWith('<speak')) {
+    /**
+     * Note: it seems that to use custom voice ssml is required with the voice attribute
+     * Otherwise sending plain text we get "Voice does not match"
+     */
+    content = `<speak>${text}</speak>`;
+  }
+
+  if (content.startsWith('<speak>')) {
+    /* microsoft enforces some properties and uses voice xml element so if the user did not supply do it for them */
+    const words = content.slice(7, -8).trim().replace(/(\r\n|\n|\r)/gm, ' ');
+    // eslint-disable-next-line max-len
+    content = `<speak version="1.0" xmlns="http://www.w3.org/2001/10/synthesis" xmlns:mstts="https://www.w3.org/2001/mstts" xml:lang="${language}"><voice name="${voice}">${words}</voice></speak>`;
+    logger.info({content}, 'synthMicrosoft');
+  }
+
+  try {
+    const trimSilence = filePath.endsWith('.r8');
+    const post = bent('POST', 'buffer', {
+      'X-Microsoft-OutputFormat': trimSilence ? 'raw-8khz-16bit-mono-pcm' : 'audio-16khz-32kbitrate-mono-mp3',
+      'Content-Type': 'application/ssml+xml',
+      'User-Agent': 'Jambonz'
+    });
+    const mp3 = await post(custom_tts_endpoint_url, content);
+    return mp3;
+  } catch (err) {
+    logger.info({err}, '_synthMicrosoftByHttp returned error');
+    throw err;
+  }
+}
+
 const synthMicrosoft = async(logger, {
   credentials,
   stats,
@@ -307,7 +371,17 @@ const synthMicrosoft = async(logger, {
   filePath
 }) => {
   try {
-    const {api_key: apiKey, region, use_custom_tts, custom_tts_endpoint} = credentials;
+    const {api_key: apiKey, region, use_custom_tts, custom_tts_endpoint, custom_tts_endpoint_url} = credentials;
+    if (use_custom_tts && custom_tts_endpoint_url) {
+      return await _synthOnPremMicrosoft(logger, {
+        credentials,
+        stats,
+        language,
+        voice,
+        text,
+        filePath
+      });
+    }
     const trimSilence = filePath.endsWith('.r8');
     let content = text;
     const speechConfig = SpeechConfig.fromSubscription(apiKey, region);
@@ -315,12 +389,13 @@ const synthMicrosoft = async(logger, {
     speechConfig.speechSynthesisVoiceName = voice;
     if (use_custom_tts && custom_tts_endpoint) {
       speechConfig.endpointId = custom_tts_endpoint;
-
+    }
+    if (use_custom_tts && !content.startsWith('<speak')) {
       /**
        * Note: it seems that to use custom voice ssml is required with the voice attribute
        * Otherwise sending plain text we get "Voice does not match"
        */
-      if (!content.startsWith('<speak')) content = `<speak>${text}</speak>`;
+      content = `<speak>${text}</speak>`;
     }
     speechConfig.speechSynthesisOutputFormat = trimSilence ?
       SpeechSynthesisOutputFormat.Raw8Khz16BitMonoPcm :
@@ -510,6 +585,53 @@ const synthCustomVendor = async(logger, {credentials, stats, language, voice, te
   }
 };
 
+const synthElevenlabs = async(logger, {credentials, stats, language, voice, text}) => {
+  const {api_key, model_id} = credentials;
+  try {
+    const post = bent('https://api.elevenlabs.io', 'POST', 'buffer', {
+      'xi-api-key': api_key,
+      'Accept': 'audio/mpeg',
+      'Content-Type': 'application/json'
+    });
+    const mp3 = await post(`/v1/text-to-speech/${voice}`, {
+      text,
+      model_id,
+      voice_settings: {
+        stability: 0.5,
+        similarity_boost: 0.5
+      }
+    });
+    return mp3;
+  } catch (err) {
+    logger.info({err}, 'synth Elevenlabs returned error');
+    stats.increment('tts.count', ['vendor:elevenlabs', 'accepted:no']);
+    throw err;
+  }
+};
+
+const synthWhisper = async(logger, {credentials, stats, voice, text}) => {
+  const {api_key, model_id, baseURL, timeout} = credentials;
+  try {
+    const openai = new OpenAI.OpenAI({
+      apiKey: api_key,
+      timeout: timeout || 5000,
+      ...(baseURL && {baseURL})
+    });
+
+    const mp3 = await openai.audio.speech.create({
+      model: model_id,
+      voice,
+      input: text,
+      response_format: 'mp3'
+    });
+    return Buffer.from(await mp3.arrayBuffer());
+  } catch (err) {
+    logger.info({err}, 'synth whisper returned error');
+    stats.increment('tts.count', ['vendor:openai', 'accepted:no']);
+    throw err;
+  }
+}
+;
 const getFileExtFromMime = (mime) => {
   switch (mime) {
     case 'audio/wav':

lib/utils.js

@@ -106,7 +106,6 @@ const createRivaClient = async(rivaUri) => {
   return client;
 };
 
-
 module.exports = {
   makeSynthKey,
   makeNuanceKey,

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@jambonz/speech-utils",
-  "version": "0.0.18",
+  "version": "0.0.25",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@jambonz/speech-utils",
-      "version": "0.0.18",
+      "version": "0.0.25",
       "license": "MIT",
       "dependencies": {
         "@aws-sdk/client-polly": "^3.359.0",
@@ -18,7 +18,8 @@
         "google-protobuf": "^3.21.2",
         "ibm-watson": "^8.0.0",
         "ioredis": "^5.3.2",
-        "microsoft-cognitiveservices-speech-sdk": "^1.26.0",
+        "microsoft-cognitiveservices-speech-sdk": "^1.31.0",
+        "openai": "^4.16.2",
         "undici": "^5.21.0"
       },
       "devDependencies": {
@@ -1940,6 +1941,28 @@
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       "integrity": "sha512-93+VvleD3mXwlLI/xASjw0FzKcwzl3OdTCzm1LaRfqgS21gfFtK3zDXM5Op9TeeMsJVOaJ2VRDpT9q4Y3d0AvA=="
     },
+    "node_modules/@types/node-fetch": {
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/@types/node-fetch/-/node-fetch-2.6.9.tgz",
+      "integrity": "sha512-bQVlnMLFJ2d35DkPNjEPmd9ueO/rh5EiaZt2bhqiSarPjZIuIV6bPQVqcrEyvNo+AfTrRGVazle1tl597w3gfA==",
+      "dependencies": {
+        "@types/node": "*",
+        "form-data": "^4.0.0"
+      }
+    },
+    "node_modules/@types/node-fetch/node_modules/form-data": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.0.tgz",
+      "integrity": "sha512-ETEklSGi5t0QMZuiXoA/Q6vcnxcLQP5vdugSpuAyi6SVGi2clPPp+xgEhuMaHC+zGgn31Kd235W35f7Hykkaww==",
+      "dependencies": {
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.8",
+        "mime-types": "^2.1.12"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/@types/rimraf": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/@types/rimraf/-/rimraf-3.0.2.tgz",
@@ -2021,6 +2044,17 @@
         "node": ">= 6.0.0"
       }
     },
+    "node_modules/agentkeepalive": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/agentkeepalive/-/agentkeepalive-4.5.0.tgz",
+      "integrity": "sha512-5GG/5IbQQpC9FpkRGsSvZI5QYeSCzlJHdpBQntCsuTOxhKD8lqKhrleg2Yi7yvMIf82Ycmmqln9U8V9qwEiJew==",
+      "dependencies": {
+        "humanize-ms": "^1.2.1"
+      },
+      "engines": {
+        "node": ">= 8.0.0"
+      }
+    },
     "node_modules/aggregate-error": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/aggregate-error/-/aggregate-error-3.1.0.tgz",
@@ -2121,58 +2155,11 @@
         "node": ">=8"
       }
     },
-    "node_modules/asn1.js": {
-      "version": "5.4.1",
-      "resolved": "https://registry.npmjs.org/asn1.js/-/asn1.js-5.4.1.tgz",
-      "integrity": "sha512-+I//4cYPccV8LdmBLiX8CYvf9Sp3vQsrqu2QNXRcrbiWvcx/UdlFiqUJJzxRQxgsZmvhXhn4cSKeSmoFjVdupA==",
-      "dependencies": {
-        "bn.js": "^4.0.0",
-        "inherits": "^2.0.1",
-        "minimalistic-assert": "^1.0.0",
-        "safer-buffer": "^2.1.0"
-      }
-    },
-    "node_modules/asn1.js-rfc2560": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/asn1.js-rfc2560/-/asn1.js-rfc2560-5.0.1.tgz",
-      "integrity": "sha512-1PrVg6kuBziDN3PGFmRk3QrjpKvP9h/Hv5yMrFZvC1kpzP6dQRzf5BpKstANqHBkaOUmTpakJWhicTATOA/SbA==",
-      "dependencies": {
-        "asn1.js-rfc5280": "^3.0.0"
-      },
-      "peerDependencies": {
-        "asn1.js": "^5.0.0"
-      }
-    },
-    "node_modules/asn1.js-rfc5280": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/asn1.js-rfc5280/-/asn1.js-rfc5280-3.0.0.tgz",
-      "integrity": "sha512-Y2LZPOWeZ6qehv698ZgOGGCZXBQShObWnGthTrIFlIQjuV1gg2B8QOhWFRExq/MR1VnPpIIe7P9vX2vElxv+Pg==",
-      "dependencies": {
-        "asn1.js": "^5.0.0"
-      }
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     "node_modules/async": {
       "version": "3.2.4",
       "resolved": "https://registry.npmjs.org/async/-/async-3.2.4.tgz",
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     },
-    "node_modules/async-disk-cache": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/async-disk-cache/-/async-disk-cache-2.1.0.tgz",
-      "integrity": "sha512-iH+boep2xivfD9wMaZWkywYIURSmsL96d6MoqrC94BnGSvXE4Quf8hnJiHGFYhw/nLeIa1XyRaf4vvcvkwAefg==",
-      "dependencies": {
-        "debug": "^4.1.1",
-        "heimdalljs": "^0.2.3",
-        "istextorbinary": "^2.5.1",
-        "mkdirp": "^0.5.0",
-        "rimraf": "^3.0.0",
-        "rsvp": "^4.8.5",
-        "username-sync": "^1.0.2"
-      },
-      "engines": {
-        "node": "8.* || >= 10.*"
-      }
-    },
     "node_modules/asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -2227,6 +2214,11 @@
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     },
+    "node_modules/base-64": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/base-64/-/base-64-0.1.0.tgz",
+      "integrity": "sha512-Y5gU45svrR5tI2Vt/X9GPd3L0HNIKzGu202EjxrXMpuc2V2CiKgemAbUUsqYmZJvPtCXoUKjNZwBJzsNScUbXA=="
+    },
     "node_modules/base64-js": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
@@ -2264,27 +2256,11 @@
         "node": "*"
       }
     },
-    "node_modules/binaryextensions": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/binaryextensions/-/binaryextensions-2.3.0.tgz",
-      "integrity": "sha512-nAihlQsYGyc5Bwq6+EsubvANYGExeJKHDO3RjnvwU042fawQTQfM3Kxn7IHUXQOz4bzfwsGYYHGSvXyW4zOGLg==",
-      "engines": {
-        "node": ">=0.8"
-      },
-      "funding": {
-        "url": "https://bevry.me/fund"
-      }
-    },
     "node_modules/bluebird": {
       "version": "3.7.2",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
       "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg=="
     },
-    "node_modules/bn.js": {
-      "version": "4.12.0",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
-      "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA=="
-    },
     "node_modules/bowser": {
       "version": "2.11.0",
       "resolved": "https://registry.npmjs.org/bowser/-/bowser-2.11.0.tgz",
@@ -2466,6 +2442,14 @@
         "url": "https://github.com/chalk/chalk?sponsor=1"
       }
     },
+    "node_modules/charenc": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/charenc/-/charenc-0.0.2.tgz",
+      "integrity": "sha512-yrLQ/yVUFXkzg7EDQsPieE/53+0RlaWTs+wBrvW36cyilJ2SaDWfl4Yj7MtLTXleV9uEKefbAGUPv2/iWSooRA==",
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/clean-stack": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/clean-stack/-/clean-stack-2.2.0.tgz",
@@ -2563,6 +2547,14 @@
         "node": ">= 8"
       }
     },
+    "node_modules/crypt": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/crypt/-/crypt-0.0.2.tgz",
+      "integrity": "sha512-mCxBlsHFYh9C+HVpiEacem8FEBnMXgU9gy4zmNC+SXAZNB/1idgp/aulFJ4FgCi7GPEVbfyng092GqL2k2rmow==",
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/d": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/d/-/d-1.0.1.tgz",
@@ -2692,6 +2684,15 @@
         "node": ">= 10.14.2"
       }
     },
+    "node_modules/digest-fetch": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/digest-fetch/-/digest-fetch-1.3.0.tgz",
+      "integrity": "sha512-CGJuv6iKNM7QyZlM2T3sPAdZWd/p9zQiRNS9G+9COUCwzWFTs0Xp8NF5iePx7wtvhDykReiRRrSeNb4oMmB8lA==",
+      "dependencies": {
+        "base-64": "^0.1.0",
+        "md5": "^2.3.0"
+      }
+    },
     "node_modules/doctrine": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-3.0.0.tgz",
@@ -2743,21 +2744,6 @@
         "safe-buffer": "^5.0.1"
       }
     },
-    "node_modules/editions": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/editions/-/editions-2.3.1.tgz",
-      "integrity": "sha512-ptGvkwTvGdGfC0hfhKg0MT+TRLRKGtUiWGBInxOm5pz7ssADezahjCUaYuZ8Dr+C05FW0AECIIPt4WBxVINEhA==",
-      "dependencies": {
-        "errlop": "^2.0.0",
-        "semver": "^6.3.0"
-      },
-      "engines": {
-        "node": ">=0.8"
-      },
-      "funding": {
-        "url": "https://bevry.me/fund"
-      }
-    },
     "node_modules/electron-to-chromium": {
       "version": "1.4.323",
       "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.4.323.tgz",
@@ -2785,17 +2771,6 @@
         "url": "https://github.com/fb55/entities?sponsor=1"
       }
     },
-    "node_modules/errlop": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/errlop/-/errlop-2.2.0.tgz",
-      "integrity": "sha512-e64Qj9+4aZzjzzFpZC7p5kmm/ccCrbLhAJplhsDXQFs87XTsXwOpH4s1Io2s90Tau/8r2j9f4l/thhDevRjzxw==",
-      "engines": {
-        "node": ">=0.8"
-      },
-      "funding": {
-        "url": "https://bevry.me/fund"
-      }
-    },
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       "version": "1.21.1",
       "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.21.1.tgz",
@@ -3468,11 +3443,36 @@
         "node": ">= 0.12"
       }
     },
+    "node_modules/form-data-encoder": {
+      "version": "1.7.2",
+      "resolved": "https://registry.npmjs.org/form-data-encoder/-/form-data-encoder-1.7.2.tgz",
+      "integrity": "sha512-qfqtYan3rxrnCk1VYaA4H+Ms9xdpPqvLZa6xmMgFvhO32x7/3J/ExcTd6qpxM0vH2GdMI+poehyBZvqfMTto8A=="
+    },
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@@ -11290,6 +11270,22 @@
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@@ -12277,11 +12253,6 @@
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package.json

@@ -1,6 +1,6 @@
 {
   "name": "@jambonz/speech-utils",
-  "version": "0.0.18",
+  "version": "0.0.25",
   "description": "TTS-related speech utilities for jambonz",
   "main": "index.js",
   "author": "Dave Horton",
@@ -32,8 +32,9 @@
     "form-urlencoded": "^6.1.0",
     "google-protobuf": "^3.21.2",
     "ibm-watson": "^8.0.0",
-    "microsoft-cognitiveservices-speech-sdk": "^1.26.0",
     "ioredis": "^5.3.2",
+    "microsoft-cognitiveservices-speech-sdk": "^1.31.0",
+    "openai": "^4.16.2",
     "undici": "^5.21.0"
   },
   "devDependencies": {

test/synth.js

@@ -38,7 +38,7 @@ test('Google speech synth tests', async(t) => {
         },
       },
       language: 'en-GB',
-      gender: 'MALE',
+      gender: 'FEMALE',
       text: 'This is a test.  This is only a test',
       salt: 'foo.bar',
     });
@@ -53,7 +53,7 @@ test('Google speech synth tests', async(t) => {
         },
       },
       language: 'en-GB',
-      gender: 'MALE',
+      gender: 'FEMALE',
       text: 'This is a test.  This is only a test',
     });
     t.ok(opts.servedFromCache, `successfully retrieved cached google audio from ${opts.filePath}`);
@@ -68,7 +68,7 @@ test('Google speech synth tests', async(t) => {
       },
       disableTtsCache: true,
       language: 'en-GB',
-      gender: 'MALE',
+      gender: 'FEMALE',
       text: 'This is a test.  This is only a test',
     });
     t.ok(!opts.servedFromCache, `successfully synthesized google audio regardless of current cache to ${opts.filePath}`);
@@ -79,6 +79,40 @@ test('Google speech synth tests', async(t) => {
   client.quit();
 });
 
+test('Google speech Custom voice synth tests', async(t) => {
+  const fn = require('..');
+  const {synthAudio, client} = fn(opts, logger);
+
+  if (!process.env.GCP_CUSTOM_VOICE_FILE && !process.env.GCP_CUSTOM_VOICE_JSON_KEY || !process.env.GCP_CUSTOM_VOICE_MODEL) {
+    t.pass('skipping google speech synth tests since neither GCP_CUSTOM_VOICE_FILE nor GCP_CUSTOM_VOICE_JSON_KEY provided, GCP_CUSTOM_VOICE_MODEL is not provided');
+    return t.end();
+  }
+  try {
+    const str = process.env.GCP_CUSTOM_VOICE_JSON_KEY || fs.readFileSync(process.env.GCP_CUSTOM_VOICE_FILE);
+    const creds = JSON.parse(str);
+    let opts = await synthAudio(stats, {
+      vendor: 'google',
+      credentials: {
+        credentials: {
+          client_email: creds.client_email,
+          private_key: creds.private_key,
+        },
+      },
+      language: 'en-AU',
+      text: 'This is a test.  This is only a test',
+      voice: {
+        reportedUsage:"REALTIME",
+        model: process.env.GCP_CUSTOM_VOICE_MODEL
+      }
+    });
+    t.ok(!opts.servedFromCache, `successfully synthesized google custom voice audio to ${opts.filePath}`);
+  } catch (err) {
+    console.error(err);
+    t.end(err);
+  }
+  client.quit();
+});
+
 test('AWS speech synth tests', async(t) => {
   const fn = require('..');
   const {synthAudio, client} = fn(opts, logger);
@@ -411,6 +445,64 @@ test('Custom Vendor speech synth tests', async(t) => {
   client.quit();
 });
 
+test('Elevenlabs speech synth tests', async(t) => {
+  const fn = require('..');
+  const {synthAudio, client} = fn(opts, logger);
+
+  if (!process.env.ELEVENLABS_API_KEY || !process.env.ELEVENLABS_VOICE_ID || !process.env.ELEVENLABS_MODEL_ID) {
+    t.pass('skipping ElevenLabs speech synth tests since ELEVENLABS_API_KEY or ELEVENLABS_VOICE_ID or ELEVENLABS_MODEL_ID not provided');
+    return t.end();
+  }
+  const text = 'Hi there and welcome to jambones!';
+  try {
+    let opts = await synthAudio(stats, {
+      vendor: 'elevenlabs',
+      credentials: {
+        api_key: process.env.ELEVENLABS_API_KEY,
+        model_id: process.env.ELEVENLABS_MODEL_ID
+      },
+      language: 'en-US',
+      voice: process.env.ELEVENLABS_VOICE_ID,
+      text,
+    });
+    t.ok(!opts.servedFromCache, `successfully synthesized eleven audio to ${opts.filePath}`);
+
+  } catch (err) {
+    console.error(JSON.stringify(err));
+    t.end(err);
+  }
+  client.quit();
+})
+
+test('whisper speech synth tests', async(t) => {
+  const fn = require('..');
+  const {synthAudio, client} = fn(opts, logger);
+
+  if (!process.env.OPENAI_API_KEY) {
+    t.pass('skipping OPENAI speech synth tests since OPENAI_API_KEY not provided');
+    return t.end();
+  }
+  const text = 'Hi there and welcome to jambones!';
+  try {
+    let opts = await synthAudio(stats, {
+      vendor: 'whisper',
+      credentials: {
+        api_key: process.env.OPENAI_API_KEY,
+        model_id: 'tts-1'
+      },
+      language: 'en-US',
+      voice: 'alloy',
+      text,
+    });
+    t.ok(!opts.servedFromCache, `successfully synthesized whisper audio to ${opts.filePath}`);
+
+  } catch (err) {
+    console.error(JSON.stringify(err));
+    t.end(err);
+  }
+  client.quit();
+})
+
 test('TTS Cache tests', async(t) => {
   const fn = require('..');
   const {purgeTtsCache, getTtsSize, client} = fn(opts, logger);