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README.md

@@ -18,6 +18,7 @@ Falcon is an on-device speaker diarization engine. Falcon is:
 - Cross-Platform:
     - Linux (x86_64), macOS (x86_64, arm64), Windows (x86_64)
     - Raspberry Pi (4, 3) and NVIDIA Jetson Nano
+    - Chrome, Safari, Firefox, and Edge
 
 ## Table of Contents
 
@@ -28,9 +29,11 @@ Falcon is an on-device speaker diarization engine. Falcon is:
     - [Demos](#demos)
         - [Python Demos](#python-demos)
         - [C Demos](#c-demos)
+        - [Web Demos](#web-demos)
     - [SDKs](#sdks)
         - [Python](#python)
         - [C](#c)
+        - [Web](#web)
     - [Releases](#releases)
     - [FAQ](#faq)
 
@@ -85,6 +88,24 @@ Run the demo:
 ./demo/c/build/falcon_demo -a ${ACCESS_KEY} -l ${LIBRARY_PATH} -m ${MODEL_PATH} ${AUDIO_PATH}
 ```
 
+### Web Demos
+
+From [demo/web](demo/web) run the following in the terminal:
+
+```console
+yarn
+yarn start
+```
+
+(or)
+
+```console
+npm install
+npm run start
+```
+
+Open `http://localhost:5000` in your browser to try the demo.
+
 ## SDKs
 
 ### Python
@@ -160,6 +181,42 @@ Finally, when done be sure to release resources acquired:
 pv_falcon_delete(falcon);
 ```
 
+### Web
+
+Install the web SDK using yarn:
+
+```console
+yarn add @picovoice/falcon-web
+```
+
+or using npm:
+
+```console
+npm install --save @picovoice/falcon-web
+```
+
+Create an instance of the engine using `FalconWorker` and diarize an audio file:
+
+```typescript
+import { Falcon } from "@picovoice/falcon-web";
+import falconParams from "${PATH_TO_BASE64_FALCON_PARAMS}";
+
+function getAudioData(): Int16Array {
+  // ... function to get audio data
+  return new Int16Array();
+}
+
+const falcon = await FalconWorker.create(
+  "${ACCESS_KEY}",
+  { base64: falconParams }
+);
+
+const { segments } = await falcon.process(getAudioData());
+console.log(segments);
+```
+
+Replace `${ACCESS_KEY}` with yours obtained from [Picovoice Console](https://console.picovoice.ai/). Finally, when done release the resources using `falcon.release()`.
+
 ## Releases
 
 ### v1.0.0 — November 28th, 2023

binding/web/README.md

@@ -10,11 +10,13 @@ Falcon is an on-device speaker diarization engine. Falcon is:
 - Cross-Platform:
   - Linux (x86_64), macOS (x86_64, arm64), Windows (x86_64)
   - Raspberry Pi (4, 3) and NVIDIA Jetson Nano
+  - Chrome, Safari, Firefox, and Edge
 
 ## Compatibility
 
-- Python 3.7+
-- Runs on Linux (x86_64), macOS (x86_64, arm64), Windows (x86_64), Raspberry Pi (4, 3), and NVIDIA Jetson Nano.
+- Chrome / Edge
+- Firefox
+- Safari
 
 ### Restrictions
 

binding/web/package.json

@@ -33,7 +33,7 @@
     "test-perf": "cypress run --spec test/falcon_perf.test.ts"
   },
   "dependencies": {
-    "@picovoice/web-utils": "=1.3.1"
+    "@picovoice/web-utils": "=1.3.2"
   },
   "devDependencies": {
     "@babel/core": "^7.21.3",

binding/web/src/falcon.ts

@@ -310,11 +310,11 @@ export class Falcon {
           const segments: FalconSegment[] = [];
           for (let i = 0; i < numSegments; i++) {
             const startSec = memoryBufferView.getFloat32(ptr, true);
-            ptr += Uint32Array.BYTES_PER_ELEMENT;
+            ptr += Float32Array.BYTES_PER_ELEMENT;
             const endSec = memoryBufferView.getFloat32(ptr, true);
-            ptr += Uint32Array.BYTES_PER_ELEMENT;
+            ptr += Float32Array.BYTES_PER_ELEMENT;
             const speakerTag = memoryBufferView.getInt32(ptr, true);
-            ptr += Uint32Array.BYTES_PER_ELEMENT;
+            ptr += Int32Array.BYTES_PER_ELEMENT;
             segments.push({ startSec, endSec, speakerTag });
           }
 
@@ -350,7 +350,7 @@ export class Falcon {
     modelPath: string
   ): Promise<any> {
     // A WebAssembly page has a constant size of 64KiB. -> 1MiB ~= 16 pages
-    const memory = new WebAssembly.Memory({ initial: 11500 });
+    const memory = new WebAssembly.Memory({ initial: 130 });
 
     const memoryBufferUint8 = new Uint8Array(memory.buffer);
 

binding/web/test/falcon_perf.test.ts

@@ -1,13 +1,18 @@
 import { Falcon, FalconWorker } from '../';
 
-const ACCESS_KEY = Cypress.env('ACCESS_KEY');
-const NUM_TEST_ITERATIONS = Number(Cypress.env('NUM_TEST_ITERATIONS'));
-const INIT_PERFORMANCE_THRESHOLD_SEC = Number(
-  Cypress.env('INIT_PERFORMANCE_THRESHOLD_SEC')
-);
-const PROC_PERFORMANCE_THRESHOLD_SEC = Number(
-  Cypress.env('PROC_PERFORMANCE_THRESHOLD_SEC')
-);
+// const ACCESS_KEY = Cypress.env('ACCESS_KEY');
+// const NUM_TEST_ITERATIONS = Number(Cypress.env('NUM_TEST_ITERATIONS'));
+// const INIT_PERFORMANCE_THRESHOLD_SEC = Number(
+//   Cypress.env('INIT_PERFORMANCE_THRESHOLD_SEC')
+// );
+// const PROC_PERFORMANCE_THRESHOLD_SEC = Number(
+//   Cypress.env('PROC_PERFORMANCE_THRESHOLD_SEC')
+// );
+
+const ACCESS_KEY = 'mW3jTf9S6NUBzDHDpN/lNLNE9k8wk2ERjIKPGeX3tM62LzxFbdFtIQ==';
+const NUM_TEST_ITERATIONS = 15;
+const INIT_PERFORMANCE_THRESHOLD_SEC = 4.5;
+const PROC_PERFORMANCE_THRESHOLD_SEC = 0.3;
 
 async function testPerformance(
   instance: typeof Falcon | typeof FalconWorker,

binding/web/yarn.lock

@@ -1108,12 +1108,12 @@
     "@nodelib/fs.scandir" "2.1.5"
     fastq "^1.6.0"
 
-"@picovoice/web-utils@=1.3.1":
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/@picovoice/web-utils/-/web-utils-1.3.1.tgz#d417e98604a650b54a8e03669015ecf98c2383ec"
-  integrity sha512-jcDqdULtTm+yJrnHDjg64hARup+Z4wNkYuXHNx6EM8+qZkweBq9UA6XJrHAlUkPnlkso4JWjaIKhz3x8vZcd3g==
+"@picovoice/web-utils@=1.3.2":
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/@picovoice/web-utils/-/web-utils-1.3.2.tgz#9fe0a798a1f016fa8d8c28e48537466aa2854ca3"
+  integrity sha512-jDZn+kxVUyzM84kGVmq9hU6N60K2VH3sDevpZSw4CNDx3ppSz9Biz7aPHs+i16ssYJCxJweiJ44XhI+5Lo5ZjQ==
   dependencies:
-    commander "^9.2.0"
+    commander "^10.0.1"
 
 "@rollup/plugin-babel@^6.0.3":
   version "6.0.4"
@@ -1687,6 +1687,11 @@ combined-stream@^1.0.6, combined-stream@~1.0.6:
   dependencies:
     delayed-stream "~1.0.0"
 
+commander@^10.0.1:
+  version "10.0.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-10.0.1.tgz#881ee46b4f77d1c1dccc5823433aa39b022cbe06"
+  integrity sha512-y4Mg2tXshplEbSGzx7amzPwKKOCGuoSRP/CjEdwwk0FOGlUbq6lKuoyDZTNZkmxHdJtp54hdfY/JUrdL7Xfdug==
+
 commander@^2.20.0:
   version "2.20.3"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
@@ -1697,11 +1702,6 @@ commander@^6.2.1:
   resolved "https://registry.yarnpkg.com/commander/-/commander-6.2.1.tgz#0792eb682dfbc325999bb2b84fddddba110ac73c"
   integrity sha512-U7VdrJFnJgo4xjrHpTzu0yrHPGImdsmD95ZlgYSEajAn2JKzDhDTPG9kBTefmObL2w/ngeZnilk+OV9CG3d7UA==
 
-commander@^9.2.0:
-  version "9.5.0"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-9.5.0.tgz#bc08d1eb5cedf7ccb797a96199d41c7bc3e60d30"
-  integrity sha512-KRs7WVDKg86PWiuAqhDrAQnTXZKraVcCc6vFdL14qrZ/DcWwuRo7VoiYXalXO7S5GKpqYiVEwCbgFDfxNHKJBQ==
-
 common-tags@^1.8.0:
   version "1.8.2"
   resolved "https://registry.yarnpkg.com/common-tags/-/common-tags-1.8.2.tgz#94ebb3c076d26032745fd54face7f688ef5ac9c6"

demo/web/package.json

@@ -12,7 +12,7 @@
     "Falcon",
     "browser",
     "voice ai",
-    "speech recognition"
+    "speaker diarization"
   ],
   "author": "Picovoice Inc",
   "license": "Apache-2.0",

demo/web/yarn.lock

@@ -5,7 +5,7 @@
 "@picovoice/falcon-web@file:../../binding/web":
   version "1.0.0"
   dependencies:
-    "@picovoice/web-utils" "=1.3.1"
+    "@picovoice/web-utils" "=1.3.2"
 
 "@picovoice/web-utils@=1.3.1":
   version "1.3.1"
@@ -14,6 +14,13 @@
   dependencies:
     commander "^9.2.0"
 
+"@picovoice/web-utils@=1.3.2":
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/@picovoice/web-utils/-/web-utils-1.3.2.tgz#9fe0a798a1f016fa8d8c28e48537466aa2854ca3"
+  integrity sha512-jDZn+kxVUyzM84kGVmq9hU6N60K2VH3sDevpZSw4CNDx3ppSz9Biz7aPHs+i16ssYJCxJweiJ44XhI+5Lo5ZjQ==
+  dependencies:
+    commander "^10.0.1"
+
 "@picovoice/web-voice-processor@~4.0.8":
   version "4.0.8"
   resolved "https://registry.yarnpkg.com/@picovoice/web-voice-processor/-/web-voice-processor-4.0.8.tgz#95247a5393cac4d16490a53feb0f413c902ee5fa"
@@ -71,6 +78,11 @@ color-name@~1.1.4:
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
   integrity sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==
 
+commander@^10.0.1:
+  version "10.0.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-10.0.1.tgz#881ee46b4f77d1c1dccc5823433aa39b022cbe06"
+  integrity sha512-y4Mg2tXshplEbSGzx7amzPwKKOCGuoSRP/CjEdwwk0FOGlUbq6lKuoyDZTNZkmxHdJtp54hdfY/JUrdL7Xfdug==
+
 commander@^9.2.0:
   version "9.5.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-9.5.0.tgz#bc08d1eb5cedf7ccb797a96199d41c7bc3e60d30"