0.1.24

support cartesia tts

lib/get-aws-sts-token.js

@@ -7,22 +7,23 @@ const CACHE_EXPIRY = process.env.AWS_STS_SESSION_RESET_EXPIRY || (EXPIRY - 600);
 
 async function getAwsAuthToken(
   logger, createHash, retrieveHash,
-  {accessKeyId, secretAccessKey, region, roleArn}) {
+  {speech_credential_sid, accessKeyId, secretAccessKey, region, roleArn}) {
   logger = logger || noopLogger;
   try {
-    const key = makeAwsKey(roleArn || accessKeyId);
+    // if incase instance profile is used, speech_credential_sid will be used as key to lookup cache
+    const key = makeAwsKey(roleArn || accessKeyId || speech_credential_sid);
     const obj = await retrieveHash(key);
     if (obj) return {...obj, servedFromCache: true};
-
+    /* access token not found in cache, so generate it using STS */
     let data;
+    let expiry = CACHE_EXPIRY;
     if (roleArn) {
       const stsClient = new STSClient({ region });
       const roleToAssume = { RoleArn: roleArn, RoleSessionName: 'Jambonz_Speech', DurationSeconds: EXPIRY};
       const command = new AssumeRoleCommand(roleToAssume);
 
       data = await stsClient.send(command);
-    } else {
-      /* access token not found in cache, so generate it using STS */
+    } else if (accessKeyId) {
       const stsClient = new STSClient({
         region,
         credentials: {
@@ -32,6 +33,26 @@ async function getAwsAuthToken(
       });
       const command = new GetSessionTokenCommand({DurationSeconds: EXPIRY});
       data = await stsClient.send(command);
+    } else {
+      // instance profile is used.
+      const stsClient = new STSClient({ region });
+      const cred = await stsClient.config.credentials();
+      // method in the AWS SDK automatically fetches credentials using the default credential
+      // provider chain. If the credentials come from an instance profile or an environment
+      // variable, their expiration is controlled by AWS and not explicitly by our code.
+      if (cred && cred.expiration) {
+        const currentTime = new Date();
+        const expiryTime = new Date(cred.expiration);
+        const remainingTimeInSeconds = Math.round((expiryTime - currentTime) / 1000);
+        expiry = remainingTimeInSeconds;
+      }
+      data = {
+        Credentials: {
+          AccessKeyId: cred.accessKeyId,
+          SecretAccessKey: cred.secretAccessKey,
+          SessionToken: cred.sessionToken
+        }
+      };
     }
 
     const credentials = {
@@ -40,9 +61,11 @@ async function getAwsAuthToken(
       sessionToken: data.Credentials.SessionToken,
       securityToken: data.Credentials.SessionToken
     };
-
-    createHash(key, credentials, CACHE_EXPIRY)
-      .catch((err) => logger.error(err, `Error saving hash for key ${key}`));
+    // Only cache if expiry is good
+    if (expiry > 0) {
+      createHash(key, credentials, expiry)
+        .catch((err) => logger.error(err, `Error saving hash for key ${key}`));
+    }
 
     return {...credentials, servedFromCache: false};
   } catch (err) {

lib/synth-audio.js

@@ -3,6 +3,7 @@ const fs = require('fs');
 const bent = require('bent');
 const ttsGoogle = require('@google-cloud/text-to-speech');
 const { PollyClient, SynthesizeSpeechCommand } = require('@aws-sdk/client-polly');
+const { CartesiaClient } = require('@cartesia/cartesia-js');
 
 const sdk = require('microsoft-cognitiveservices-speech-sdk');
 const TextToSpeechV1 = require('ibm-watson/text-to-speech/v1');
@@ -20,7 +21,8 @@ const {
   createKryptonClient,
   createRivaClient,
   noopLogger,
-  makeFilePath
+  makeFilePath,
+  makePlayhtKey
 } = require('./utils');
 const getNuanceAccessToken = require('./get-nuance-access-token');
 const getVerbioAccessToken = require('./get-verbio-token');
@@ -95,7 +97,7 @@ async function synthAudio(client, createHash, retrieveHash, logger, stats, { acc
   logger = logger || noopLogger;
 
   assert.ok(['google', 'aws', 'polly', 'microsoft', 'wellsaid', 'nuance', 'nvidia', 'ibm', 'elevenlabs',
-    'whisper', 'deepgram', 'playht', 'rimelabs', 'verbio'].includes(vendor) ||
+    'whisper', 'deepgram', 'playht', 'rimelabs', 'verbio', 'cartesia'].includes(vendor) ||
   vendor.startsWith('custom'),
   `synthAudio supported vendors are google, aws, microsoft, nuance, nvidia and wellsaid ..etc, not ${vendor}`);
   if ('google' === vendor) {
@@ -156,7 +158,9 @@ async function synthAudio(client, createHash, retrieveHash, logger, stats, { acc
     if (!credentials.deepgram_tts_uri) {
       assert.ok(credentials.api_key, 'synthAudio requires api_key when deepgram is used');
     }
-
+  } else if ('cartesia' === vendor) {
+    assert.ok(credentials.api_key, 'synthAudio requires api_key when cartesia is used');
+    assert.ok(credentials.model_id, 'synthAudio requires model_id when cartesia is used');
   }
 
   const key = makeSynthKey({
@@ -169,7 +173,9 @@ async function synthAudio(client, createHash, retrieveHash, logger, stats, { acc
     renderForCaching
   });
   let filePath;
-  filePath = makeFilePath({vendor, key, salt, renderForCaching});
+  // used only for custom vendor
+  let fileExtension;
+  filePath = makeFilePath({vendor, voice, key, salt, renderForCaching});
   debug(`synth key is ${key}`);
   let cached;
   if (!disableTtsCache) {
@@ -191,7 +197,7 @@ async function synthAudio(client, createHash, retrieveHash, logger, stats, { acc
       cached = await client.get(preCachekey);
       if (cached) {
         // Precache audio is available update filpath with precache file extension.
-        filePath = makeFilePath({vendor, key, salt, renderForCaching: true});
+        filePath = makeFilePath({vendor, voice, key, salt, renderForCaching: true});
       }
     }
   }
@@ -200,7 +206,17 @@ async function synthAudio(client, createHash, retrieveHash, logger, stats, { acc
     debug('result WAS found in cache');
     servedFromCache = true;
     stats.increment('tts.cache.requests', ['found:yes']);
-    audioBuffer = Buffer.from(cached, 'base64');
+    if (vendor.startsWith('custom')) {
+      // custom vendors support multiple mime types such as: mp3, wav, r8, r16 ...etc,
+      // mime type/file extension is available when http response has header Content-type.
+      // In cache, file extension is store together with audiBuffer in a json.
+      // Normal cache audio will be base64 string
+      const payload = JSON.parse(cached);
+      filePath = filePath.replace(/\.[^\.]*$/g, payload.fileExtension);
+      audioBuffer = Buffer.from(payload.audioBuffer, 'base64');
+    } else {
+      audioBuffer = Buffer.from(cached, 'base64');
+    }
     client.expire(key, EXPIRES).catch((err) => logger.info(err, 'Error setting expires'));
   }
   if (!cached) {
@@ -244,7 +260,12 @@ async function synthAudio(client, createHash, retrieveHash, logger, stats, { acc
         });
         break;
       case 'playht':
-        audioBuffer = await synthPlayHT(logger, {
+        audioBuffer = await synthPlayHT(client, logger, {
+          credentials, options, stats, language, voice, text, renderForCaching, disableTtsStreaming, filePath
+        });
+        break;
+      case 'cartesia':
+        audioBuffer = await synthCartesia(logger, {
           credentials, options, stats, language, voice, text, renderForCaching, disableTtsStreaming, filePath
         });
         break;
@@ -267,7 +288,7 @@ async function synthAudio(client, createHash, retrieveHash, logger, stats, { acc
           renderForCaching, disableTtsStreaming});
         break;
       case vendor.startsWith('custom') ? vendor : 'cant_match_value':
-        ({ audioBuffer, filePath } = await synthCustomVendor(logger,
+        ({ audioBuffer, filePath, fileExtension } = await synthCustomVendor(logger,
           {credentials, stats, language, voice, text, filePath}));
         break;
       default:
@@ -281,7 +302,14 @@ async function synthAudio(client, createHash, retrieveHash, logger, stats, { acc
     debug(`tts rtt time for ${text.length} chars on ${vendorLabel}: ${rtt}`);
     logger.info(`tts rtt time for ${text.length} chars on ${vendorLabel}: ${rtt}`);
 
-    client.setex(key, EXPIRES, audioBuffer.toString('base64'))
+    const base64Audio = audioBuffer.toString('base64');
+    const cacheContent = vendor.startsWith('custom') ?
+      JSON.stringify({
+        audioBuffer: base64Audio,
+        fileExtension
+      }) : base64Audio;
+
+    client.setex(key, EXPIRES, cacheContent)
       .catch((err) => logger.error(err, `error calling setex on key ${key}`));
   }
 
@@ -352,6 +380,44 @@ const synthPolly = async(createHash, retrieveHash, logger,
 
 const synthGoogle = async(logger, {credentials, stats, language, voice, gender, text}) => {
   const client = new ttsGoogle.TextToSpeechClient(credentials);
+  // If google custom voice cloning is used.
+  // At this time 31 Oct 2024, google node sdk has not support voice cloning yet.
+  if (typeof voice === 'object' && voice.voice_cloning_key) {
+    try {
+      const accessToken = await client.auth.getAccessToken();
+      const projectId = await client.getProjectId();
+
+      const post = bent('https://texttospeech.googleapis.com', 'POST', 'json', {
+        'Authorization': `Bearer ${accessToken}`,
+        'x-goog-user-project': projectId,
+        'Content-Type': 'application/json; charset=utf-8'
+      });
+
+      const payload = {
+        input: {
+          text
+        },
+        voice: {
+          language_code: language,
+          voice_clone: {
+            voice_cloning_key: voice.voice_cloning_key
+          }
+        },
+        audioConfig: {
+          // Cloning voice at this time still in v1 beta version, and it support LINEAR16 in Wav format, 24.000Hz
+          audioEncoding: 'LINEAR16',
+          sample_rate_hertz: 24000
+        }
+      };
+
+      const wav = await post('/v1beta1/text:synthesize', payload);
+      return Buffer.from(wav.audioContent, 'base64');
+    } catch (err) {
+      logger.info({err: await err.text()}, 'synthGoogle returned error');
+      throw err;
+    }
+  }
+
   const opts = {
     voice: {
       ...(typeof voice === 'string' && {name: voice}),
@@ -690,9 +756,11 @@ const synthCustomVendor = async(logger, {credentials, stats, language, voice, te
     const regex = /\.[^\.]*$/g;
     const mime = response.headers['content-type'];
     const buffer = await response.arrayBuffer();
+    const fileExtension = getFileExtFromMime(mime);
     return {
       audioBuffer: buffer,
-      filePath: filePath.replace(regex, getFileExtFromMime(mime))
+      filePath: filePath.replace(regex, fileExtension),
+      fileExtension
     };
   } catch (err) {
     logger.info({err}, `Vendor ${vendor} returned error`);
@@ -755,12 +823,40 @@ const synthElevenlabs = async(logger, {
   }
 };
 
-const synthPlayHT = async(logger, {
-  credentials, options, stats, voice, text, renderForCaching, disableTtsStreaming
+const synthPlayHT = async(client, logger, {
+  credentials, options, stats, voice, language, text, renderForCaching, disableTtsStreaming
 }) => {
   const {api_key, user_id, voice_engine, options: credOpts} = credentials;
   const opts = !!options && Object.keys(options).length !== 0 ? options : JSON.parse(credOpts || '{}');
 
+  let synthesizeUrl = 'https://api.play.ht/api/v2/tts/stream';
+
+  // If model is play3.0, the synthesizeUrl is got from authentication endpoint
+  if (voice_engine === 'Play3.0') {
+    try {
+      const post = bent('https://api.play.ht', 'POST', 'json', 201, {
+        'AUTHORIZATION': api_key,
+        'X-USER-ID': user_id,
+        'Accept': 'application/json'
+      });
+      const key = makePlayhtKey(api_key);
+      const url = await client.get(key);
+      if (!url) {
+        const {inference_address, expires_at_ms} = await post('/api/v3/auth');
+        synthesizeUrl = inference_address;
+        const expiry =  Math.floor((expires_at_ms - Date.now()) / 1000 - 30);
+        await client.set(key, inference_address, 'EX', expiry);
+      } else {
+        // Use cached URL
+        synthesizeUrl = url;
+      }
+    } catch (err) {
+      logger.info({err}, 'synth PlayHT returned error for authentication version 3.0');
+      stats.increment('tts.count', ['vendor:playht', 'accepted:no']);
+      throw err;
+    }
+  }
+
   /* default to using the streaming interface, unless disabled by env var OR we want just a cache file */
   if (!JAMBONES_DISABLE_TTS_STREAMING && !renderForCaching && !disableTtsStreaming) {
     let params = '';
@@ -769,7 +865,9 @@ const synthPlayHT = async(logger, {
     params += ',vendor=playht';
     params += `,voice=${voice}`;
     params += `,voice_engine=${voice_engine}`;
+    params += `,synthesize_url=${synthesizeUrl}`;
     params += ',write_cache_file=1';
+    params += `,language=${language}`;
     if (opts.quality) params += `,quality=${opts.quality}`;
     if (opts.speed) params += `,speed=${opts.speed}`;
     if (opts.seed) params += `,style=${opts.seed}`;
@@ -778,6 +876,8 @@ const synthPlayHT = async(logger, {
     if (opts.voice_guidance) params += `,voice_guidance=${opts.voice_guidance}`;
     if (opts.style_guidance) params += `,style_guidance=${opts.style_guidance}`;
     if (opts.text_guidance) params += `,text_guidance=${opts.text_guidance}`;
+    if (opts.top_p) params += `,top_p=${opts.top_p}`;
+    if (opts.repetition_penalty) params += `,repetition_penalty=${opts.repetition_penalty}`;
     params += '}';
 
     return {
@@ -788,14 +888,18 @@ const synthPlayHT = async(logger, {
   }
 
   try {
-    const post = bent('https://api.play.ht', 'POST', 'buffer', {
-      'AUTHORIZATION': api_key,
-      'X-USER-ID': user_id,
+    const post = bent('POST', 'buffer', {
+      ...(voice_engine !== 'Play3.0' && {
+        'AUTHORIZATION': api_key,
+        'X-USER-ID': user_id,
+      }),
       'Accept': 'audio/mpeg',
       'Content-Type': 'application/json'
     });
-    const mp3 = await post('/api/v2/tts/stream', {
+
+    const mp3 = await post(synthesizeUrl, {
       text,
+      ...(voice_engine === 'Play3.0' && { language }),
       voice,
       voice_engine,
       output_format: 'mp3',
@@ -971,6 +1075,71 @@ const synthDeepgram = async(logger, {credentials, stats, model, text, renderForC
   }
 };
 
+const synthCartesia = async(logger, {
+  credentials, options, stats, voice, language, text, renderForCaching, disableTtsStreaming
+}) => {
+  const {api_key, model_id, embedding, options: credOpts} = credentials;
+  const opts = !!options && Object.keys(options).length !== 0 ? options : JSON.parse(credOpts || '{}');
+
+  if (!JAMBONES_DISABLE_TTS_STREAMING && !renderForCaching && !disableTtsStreaming) {
+    let params = '';
+    params += `{api_key=${api_key}`;
+    params += `,model_id=${model_id}`;
+    params += ',vendor=cartesia';
+    params += `,voice=${voice}`;
+    params += ',write_cache_file=1';
+    params += `,language=${language}`;
+    params += `,voice_mode=${embedding ? 'embedding' : 'id'}`;
+    if (embedding) params += `,embedding=${embedding}`;
+    if (opts.speed) params += `,speed=${opts.speed}`;
+    if (opts.emotion) params += `,emotion=${opts.emotion}`;
+    params += '}';
+
+    return {
+      filePath: `say:${params}${text.replace(/\n/g, ' ').replace(/\r/g, ' ')}`,
+      servedFromCache: false,
+      rtt: 0
+    };
+  }
+
+  try {
+    const client = new CartesiaClient({ apiKey: api_key });
+    const mp3 = await client.tts.bytes({
+      modelId: model_id,
+      transcript: text,
+      voice: {
+        mode: embedding ? 'embedding' : 'id',
+        ...(embedding ?
+          {
+            embedding: embedding.split(',').map(Number)
+          } :
+          {
+            id: voice
+          }
+        ),
+        ...(opts.speed || opts.emotion && {
+          experimentalControls: {
+            ...(opts.speed && {speed: opts.speed}),
+            ...(opts.emotion && {emotion: opts.emotion}),
+          }
+        })
+      },
+      language: language,
+      outputFormat: {
+        container: 'mp3',
+        bitRate: 128000,
+        sampleRate: 8000
+      },
+    });
+    return Buffer.from(mp3);
+  } catch (err) {
+    logger.info({err}, 'synth Cartesia returned error');
+    stats.increment('tts.count', ['vendor:cartesia', 'accepted:no']);
+    throw err;
+  }
+
+};
+
 const getFileExtFromMime = (mime) => {
   switch (mime) {
     case 'audio/wav':

lib/utils.js

@@ -23,19 +23,20 @@ function makeSynthKey({
   hash.update(`${language}:${vendor}:${voice}:${engine}:${text}`);
   const hexHashKey = hash.digest('hex');
   const accountKey = account_sid ? `:${account_sid}` : '';
-  const namespace = vendor.startsWith('custom') ? vendor : getFileExtension({vendor, renderForCaching});
+  const namespace = vendor.startsWith('custom') ? vendor : getFileExtension({vendor, voice, renderForCaching});
   const key = `tts${accountKey}:${namespace}:${hexHashKey}`;
   return key;
 }
 
-function makeFilePath({vendor, key, salt = '', renderForCaching = false}) {
-  const extension = getFileExtension({vendor, renderForCaching});
+function makeFilePath({vendor, voice, key, salt = '', renderForCaching = false}) {
+  const extension = getFileExtension({vendor, renderForCaching, voice});
   return `${TMP_FOLDER}/${key.replace('tts:', `tts-${salt}`)}.${extension}`;
 }
 
-function getFileExtension({vendor, renderForCaching = false}) {
+function getFileExtension({vendor, voice, renderForCaching = false}) {
   const mp3Extension = 'mp3';
   const r8Extension = 'r8';
+  const wavExtension = 'wav';
 
   switch (vendor) {
     case 'azure':
@@ -47,17 +48,34 @@ function getFileExtension({vendor, renderForCaching = false}) {
       }
     case 'deepgram':
     case 'elevenlabs':
-    case 'rimlabs':
-      if (!renderForCaching && !JAMBONES_DISABLE_TTS_STREAMING) {
-        return r8Extension;
-      } else {
+    case 'rimelabs':
+    case 'playht':
+    case 'cartesia':
+      if (renderForCaching || JAMBONES_DISABLE_TTS_STREAMING) {
         return mp3Extension;
+      } else {
+        return r8Extension;
       }
     case 'nuance':
     case 'nvidia':
     case 'verbio':
       return r8Extension;
+    case 'google':
+      // google voice cloning just support wav.
+      if (typeof voice === 'object' && voice.voice_cloning_key) {
+        return wavExtension;
+      } else {
+        return mp3Extension;
+      }
     default:
+      // If vendor is custom
+      if (vendor.startsWith('custom')) {
+        if (renderForCaching || JAMBONES_DISABLE_TTS_STREAMING) {
+          return mp3Extension;
+        } else {
+          return r8Extension;
+        }
+      }
       return mp3Extension;
   }
 }
@@ -89,6 +107,11 @@ function makeAwsKey(awsAccessKeyId) {
   return `aws:${hash.digest('hex')}`;
 }
 
+function makePlayhtKey(apiKey) {
+  const hash = crypto.createHash('sha1');
+  hash.update(apiKey);
+  return `playht:${hash.digest('hex')}`;
+}
 function makeVerbioKey(client_id) {
   const hash = crypto.createHash('sha1');
   hash.update(client_id);
@@ -162,6 +185,7 @@ module.exports = {
   makeSynthKey,
   makeNuanceKey,
   makeIbmKey,
+  makePlayhtKey,
   makeAwsKey,
   makeVerbioKey,
   getNuanceAccessToken,

package-lock.json

@@ -1,17 +1,18 @@
 {
   "name": "@jambonz/speech-utils",
-  "version": "0.1.15",
+  "version": "0.1.24",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@jambonz/speech-utils",
-      "version": "0.1.15",
+      "version": "0.1.24",
       "license": "MIT",
       "dependencies": {
         "@aws-sdk/client-polly": "^3.496.0",
         "@aws-sdk/client-sts": "^3.496.0",
-        "@google-cloud/text-to-speech": "^5.0.2",
+        "@cartesia/cartesia-js": "^2.1.0",
+        "@google-cloud/text-to-speech": "^5.5.0",
         "@grpc/grpc-js": "^1.9.14",
         "@jambonz/realtimedb-helpers": "^0.8.7",
         "bent": "^7.3.12",
@@ -1173,6 +1174,92 @@
         "node": ">=6.9.0"
       }
     },
+    "node_modules/@cartesia/cartesia-js": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/@cartesia/cartesia-js/-/cartesia-js-2.1.0.tgz",
+      "integrity": "sha512-r4uqhFWxVmFbm0A6aDeY0y3RVJHAc6PQ8hTwHmb2ZO2kmyAP4WoZdEEQ9GIU/5c1XpV5n3Y/y6zKjMzUwgG64A==",
+      "dependencies": {
+        "emittery": "^0.13.1",
+        "form-data": "^4.0.0",
+        "form-data-encoder": "^4.0.2",
+        "formdata-node": "^6.0.3",
+        "human-id": "^4.1.1",
+        "node-fetch": "2.7.0",
+        "qs": "6.11.2",
+        "readable-stream": "^4.5.2",
+        "url-join": "4.0.1",
+        "ws": "^8.15.13"
+      }
+    },
+    "node_modules/@cartesia/cartesia-js/node_modules/form-data": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.1.tgz",
+      "integrity": "sha512-tzN8e4TX8+kkxGPK8D5u0FNmjPUjw3lwC9lSLxxoB/+GtsJG91CO8bSWy73APlgAZzZbXEYZJuxjkHH2w+Ezhw==",
+      "license": "MIT",
+      "dependencies": {
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.8",
+        "mime-types": "^2.1.12"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
+    "node_modules/@cartesia/cartesia-js/node_modules/form-data-encoder": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/form-data-encoder/-/form-data-encoder-4.0.2.tgz",
+      "integrity": "sha512-KQVhvhK8ZkWzxKxOr56CPulAhH3dobtuQ4+hNQ+HekH/Wp5gSOafqRAeTphQUJAIk0GBvHZgJ2ZGRWd5kphMuw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 18"
+      }
+    },
+    "node_modules/@cartesia/cartesia-js/node_modules/formdata-node": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/formdata-node/-/formdata-node-6.0.3.tgz",
+      "integrity": "sha512-8e1++BCiTzUno9v5IZ2J6bv4RU+3UKDmqWUQD0MIMVCd9AdhWkO1gw57oo1mNEX1dMq2EGI+FbWz4B92pscSQg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 18"
+      }
+    },
+    "node_modules/@cartesia/cartesia-js/node_modules/readable-stream": {
+      "version": "4.5.2",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-4.5.2.tgz",
+      "integrity": "sha512-yjavECdqeZ3GLXNgRXgeQEdz9fvDDkNKyHnbHRFtOr7/LcfgBcmct7t/ET+HaCTqfh06OzoAxrkN/IfjJBVe+g==",
+      "license": "MIT",
+      "dependencies": {
+        "abort-controller": "^3.0.0",
+        "buffer": "^6.0.3",
+        "events": "^3.3.0",
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-      "dev": true
+      "integrity": "sha512-mQw+2fkQbALzQ7V0MY0IqdnXNOeTtP4r0lN9z7AAawCXgqea7bDii20AYrIBrFd/Hx0M2Ocz6S111CaFkUcb0Q=="
     },
     "expect": {
       "version": "26.6.2",
@@ -10323,8 +10492,7 @@
     "function-bind": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.2.tgz",
-      "integrity": "sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA==",
-      "dev": true
+      "integrity": "sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA=="
     },
     "function.prototype.name": {
       "version": "1.1.6",
@@ -10379,7 +10547,6 @@
       "version": "1.2.4",
       "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.2.4.tgz",
       "integrity": "sha512-5uYhsJH8VJBTv7oslg4BznJYhDoRI6waYCxMmCdnTrcCrHA/fCFKoTFz2JKKE0HdDFUF7/oQuhzumXJK7paBRQ==",
-      "dev": true,
       "requires": {
         "es-errors": "^1.3.0",
         "function-bind": "^1.1.2",
@@ -10482,7 +10649,6 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/gopd/-/gopd-1.0.1.tgz",
       "integrity": "sha512-d65bNlIadxvpb/A2abVdlqKqV563juRnZ1Wtk6s1sIR8uNsXR70xqIzVqxVf1eTqDunwT2MkczEeaezCKTZhwA==",
-      "dev": true,
       "requires": {
         "get-intrinsic": "^1.1.3"
       }
@@ -10526,7 +10692,6 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/has-property-descriptors/-/has-property-descriptors-1.0.2.tgz",
       "integrity": "sha512-55JNKuIW+vq4Ke1BjOTjM2YctQIvCT7GFzHwmfZPGo5wnrgkid0YQtnAleFSqumZm4az3n2BS+erby5ipJdgrg==",
-      "dev": true,
       "requires": {
         "es-define-property": "^1.0.0"
       }
@@ -10534,14 +10699,12 @@
     "has-proto": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/has-proto/-/has-proto-1.0.1.tgz",
-      "integrity": "sha512-7qE+iP+O+bgF9clE5+UoBFzE65mlBiVj3tKCrlNQ0Ogwm0BjpT/gK4SlLYDMybDh5I3TCTKnPPa0oMG7JDYrhg==",
-      "dev": true
+      "integrity": "sha512-7qE+iP+O+bgF9clE5+UoBFzE65mlBiVj3tKCrlNQ0Ogwm0BjpT/gK4SlLYDMybDh5I3TCTKnPPa0oMG7JDYrhg=="
     },
     "has-symbols": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.3.tgz",
-      "integrity": "sha512-l3LCuF6MgDNwTDKkdYGEihYjt5pRPbEg46rtlmnSPlUbgmB8LOIrKJbYYFBSbnPaJexMKtiPO8hmeRjRz2Td+A==",
-      "dev": true
+      "integrity": "sha512-l3LCuF6MgDNwTDKkdYGEihYjt5pRPbEg46rtlmnSPlUbgmB8LOIrKJbYYFBSbnPaJexMKtiPO8hmeRjRz2Td+A=="
     },
     "has-tostringtag": {
       "version": "1.0.0",
@@ -10574,7 +10737,6 @@
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.2.tgz",
       "integrity": "sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==",
-      "dev": true,
       "requires": {
         "function-bind": "^1.1.2"
       }
@@ -10614,6 +10776,11 @@
         }
       }
     },
+    "human-id": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/human-id/-/human-id-4.1.1.tgz",
+      "integrity": "sha512-3gKm/gCSUipeLsRYZbbdA1BD83lBoWUkZ7G9VFrhWPAU76KwYo5KR8V28bpoPm/ygy0x5/GCbpRQdY7VLYCoIg=="
+    },
     "humanize-ms": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/humanize-ms/-/humanize-ms-1.2.1.tgz",
@@ -11668,8 +11835,7 @@
     "object-inspect": {
       "version": "1.13.1",
       "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.1.tgz",
-      "integrity": "sha512-5qoj1RUiKOMsCCNLV1CBiPYE10sziTsnmNxkAI/rZhiD63CF7IqdFGC/XzjWjpSgLf0LxXX3bDFIh0E18f6UhQ==",
-      "dev": true
+      "integrity": "sha512-5qoj1RUiKOMsCCNLV1CBiPYE10sziTsnmNxkAI/rZhiD63CF7IqdFGC/XzjWjpSgLf0LxXX3bDFIh0E18f6UhQ=="
     },
     "object-is": {
       "version": "1.1.5",
@@ -11965,8 +12131,7 @@
     "process": {
       "version": "0.11.10",
       "resolved": "https://registry.npmjs.org/process/-/process-0.11.10.tgz",
-      "integrity": "sha512-cdGef/drWFoydD1JsMzuFf8100nZl+GT+yacc2bEced5f9Rjk4z+WtFUTBu9PhOi9j/jfmBPu0mMEY4wIdAF8A==",
-      "dev": true
+      "integrity": "sha512-cdGef/drWFoydD1JsMzuFf8100nZl+GT+yacc2bEced5f9Rjk4z+WtFUTBu9PhOi9j/jfmBPu0mMEY4wIdAF8A=="
     },
     "process-on-spawn": {
       "version": "1.0.0",
@@ -12025,6 +12190,14 @@
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",
       "integrity": "sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg=="
     },
+    "qs": {
+      "version": "6.11.2",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.2.tgz",
+      "integrity": "sha512-tDNIz22aBzCDxLtVH++VnTfzxlfeK5CbqohpSqpJgj1Wg/cQbStNAz3NuqCs5vV+pjBsK4x4pN9HlVh7rcYRiA==",
+      "requires": {
+        "side-channel": "^1.0.4"
+      }
+    },
     "querystringify": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/querystringify/-/querystringify-2.2.0.tgz",
@@ -12229,7 +12402,6 @@
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/set-function-length/-/set-function-length-1.2.2.tgz",
       "integrity": "sha512-pgRc4hJ4/sNjWCSS9AmnS40x3bNMDTknHgL5UaMBTMyJnU90EgWh1Rz+MC9eFu4BuN/UwZjKQuY/1v3rM7HMfg==",
-      "dev": true,
       "requires": {
         "define-data-property": "^1.1.4",
         "es-errors": "^1.3.0",
@@ -12269,7 +12441,6 @@
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.0.4.tgz",
       "integrity": "sha512-q5XPytqFEIKHkGdiMIrY10mvLRvnQh42/+GoBlFW3b2LXLE2xxJpZFdm94we0BaoV3RwJyGqg5wS7epxTv0Zvw==",
-      "dev": true,
       "requires": {
         "call-bind": "^1.0.0",
         "get-intrinsic": "^1.0.2",
@@ -12717,6 +12888,11 @@
         "punycode": "^2.1.0"
       }
     },
+    "url-join": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/url-join/-/url-join-4.0.1.tgz",
+      "integrity": "sha512-jk1+QP6ZJqyOiuEI9AEWQfju/nB2Pw466kbA0LEZljHwKeMgd9WrAEgEGxjPDD2+TNbbb37rTyhEfrCXfuKXnA=="
+    },
     "url-parse": {
       "version": "1.5.10",
       "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.5.10.tgz",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@jambonz/speech-utils",
-  "version": "0.1.15",
+  "version": "0.1.24",
   "description": "TTS-related speech utilities for jambonz",
   "main": "index.js",
   "author": "Dave Horton",
@@ -28,7 +28,8 @@
   "dependencies": {
     "@aws-sdk/client-polly": "^3.496.0",
     "@aws-sdk/client-sts": "^3.496.0",
-    "@google-cloud/text-to-speech": "^5.0.2",
+    "@cartesia/cartesia-js": "^2.1.0",
+    "@google-cloud/text-to-speech": "^5.5.0",
     "@grpc/grpc-js": "^1.9.14",
     "@jambonz/realtimedb-helpers": "^0.8.7",
     "bent": "^7.3.12",

test/synth.js

@@ -91,14 +91,17 @@ 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');
+  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, {
+    const opts = await synthAudio(stats, {
       vendor: 'google',
       credentials: {
         credentials: {
@@ -109,7 +112,7 @@ test('Google speech Custom voice synth tests', async(t) => {
       language: 'en-AU',
       text: 'This is a test.  This is only a test',
       voice: {
-        reportedUsage:"REALTIME",
+        reportedUsage: 'REALTIME',
         model: process.env.GCP_CUSTOM_VOICE_MODEL
       }
     });
@@ -121,6 +124,48 @@ test('Google speech Custom voice synth tests', async(t) => {
   client.quit();
 });
 
+test('Google speech voice cloning 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_VOICE_CLONING_FILE &&
+    !process.env.GCP_VOICE_CLONING_JSON_KEY) {
+    t.pass(`skipping google speech synth tests since neither 
+GCP_CUSTOM_VOICE_FILE nor GCP_CUSTOM_VOICE_JSON_KEY provided,
+GCP_VOICE_CLONING_FILE nor GCP_VOICE_CLONING_JSON_KEY is not provided`);
+    return t.end();
+  }
+  try {
+    const googleKey = process.env.GCP_CUSTOM_VOICE_JSON_KEY ||
+      fs.readFileSync(process.env.GCP_CUSTOM_VOICE_FILE);
+    const voice_cloning_key = process.env.GCP_VOICE_CLONING_JSON_KEY ||
+      fs.readFileSync(process.env.GCP_VOICE_CLONING_FILE).toString();
+    const creds = JSON.parse(googleKey);
+    const opts = await synthAudio(stats, {
+      vendor: 'google',
+      credentials: {
+        credentials: {
+          client_email: creds.client_email,
+          private_key: creds.private_key,
+          project_id: creds.project_id
+        },
+      },
+      language: 'en-US',
+      text: 'This is a test. This is only a test. This is a test. This is only a test. This is a test. This is only a test',
+      voice: {
+        voice_cloning_key
+      }
+    });
+    t.ok(!opts.servedFromCache, `successfully synthesized google voice cloning 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);
@@ -509,6 +554,7 @@ test('Custom Vendor speech synth tests', async(t) => {
       text: 'This is a test.  This is only a test',
     });
     t.ok(!opts.servedFromCache, `successfully synthesized custom vendor audio to ${opts.filePath}`);
+    t.ok(opts.filePath.endsWith('wav'), 'audio is cached as wav file');
     let obj = await getJSON(`http://127.0.0.1:3100/lastRequest/somethingnew`);
     t.ok(obj.headers.Authorization == 'Bearer some_jwt_token', 'Custom Vendor Authentication Header is correct');
     t.ok(obj.body.language == 'en-US', 'Custom Vendor Language is correct');
@@ -516,6 +562,21 @@ test('Custom Vendor speech synth tests', async(t) => {
     t.ok(obj.body.type == 'text', 'Custom Vendor type is correct');
     t.ok(obj.body.text == 'This is a test.  This is only a test', 'Custom Vendor text is correct');
 
+    // Checking if cache is stored with wav format
+    opts = await synthAudio(stats, {
+      vendor: 'custom:somethingnew',
+      credentials: {
+        use_for_tts: 1,
+        custom_tts_url: "http://127.0.0.1:3100/somethingnew",
+        auth_token: 'some_jwt_token'
+      },
+      language: 'en-US',
+      voice: 'English-US.Female-1',
+      text: 'This is a test.  This is only a test',
+    });
+    t.ok(opts.servedFromCache, `successfully get custom vendor cached audio to ${opts.filePath}`);
+    t.ok(opts.filePath.endsWith('wav'), 'audio is cached as wav file');
+
     opts = await synthAudio(stats, {
       vendor: 'custom:somethingnew2',
       credentials: {
@@ -574,9 +635,9 @@ test('Elevenlabs speech synth tests', async(t) => {
     t.end(err);
   }
   client.quit();
-})
+});
 
-test('PlayHT speech synth tests', async(t) => {
+const testPlayHT = async(t, voice_engine) => {
   const fn = require('..');
   const {synthAudio, client} = fn(opts, logger);
 
@@ -584,32 +645,74 @@ test('PlayHT speech synth tests', async(t) => {
     t.pass('skipping PlayHT speech synth tests since PLAYHT_API_KEY or PLAYHT_USER_ID is/are not provided');
     return t.end();
   }
-  const text = 'Hi there and welcome to jambones!';
+  const text = 'Hi there and welcome to jambones! ' + Date.now();
   try {
-    let opts = await synthAudio(stats, {
+    const opts = await synthAudio(stats, {
       vendor: 'playht',
       credentials: {
         api_key: process.env.PLAYHT_API_KEY,
         user_id: process.env.PLAYHT_USER_ID,
-        voice_engine: 'PlayHT2.0-turbo',
+        voice_engine,
         options: JSON.stringify({
-          quality: "medium",
+          quality: 'medium',
           speed: 1,
           seed: 1,
           temperature: 1,
-          emotion: "female_happy",
+          emotion: 'female_happy',
           voice_guidance: 3,
           style_guidance: 20,
           text_guidance: 1,
         })
       },
-      language: 'en-US',
+      language: 'english',
       voice: 's3://voice-cloning-zero-shot/d9ff78ba-d016-47f6-b0ef-dd630f59414e/female-cs/manifest.json',
       text,
       renderForCaching: true
     });
     t.ok(!opts.servedFromCache, `successfully playht eleven audio to ${opts.filePath}`);
 
+  } catch (err) {
+    console.error(JSON.stringify(err));
+    t.end(err);
+  }
+  client.quit();
+};
+
+test('PlayHT speech synth tests', async(t) => {
+  await testPlayHT(t, 'PlayHT2.0-turbo');
+});
+
+test('PlayHT3.0 speech synth tests', async(t) => {
+  await testPlayHT(t, 'Play3.0');
+});
+
+test('Cartesia speech synth tests', async(t) => {
+  const fn = require('..');
+  const {synthAudio, client} = fn(opts, logger);
+
+  if (!process.env.CARTESIA_API_KEY) {
+    t.pass('skipping Cartesia speech synth tests since CARTESIA_API_KEY is not provided');
+    return t.end();
+  }
+  const text = 'Hi there and welcome to jambones! ' + Date.now();
+  try {
+    const opts = await synthAudio(stats, {
+      vendor: 'cartesia',
+      credentials: {
+        api_key: process.env.CARTESIA_API_KEY,
+        model_id: 'sonic-english',
+        options: JSON.stringify({
+          speed: 1,
+          emotion: 'female_happy',
+        })
+      },
+      language: 'en',
+      voice: '694f9389-aac1-45b6-b726-9d9369183238',
+      text,
+      renderForCaching: true
+    });
+    t.ok(!opts.servedFromCache, `successfully playht eleven audio to ${opts.filePath}`);
+
   } catch (err) {
     console.error(JSON.stringify(err));
     t.end(err);