static/index.html


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<script src="/js/pcm-player.min.js"></script>

<button onclick="start()">Start!</button>
<script>
    start = () => {
        var player = new PCMPlayer({
            inputCodec: 'Int16',
            channels: 1,
            sampleRate: 8000,
            flushTime: 500
        });

        var ws = new WebSocket('ws://localhost:3000/ws');
        ws.binaryType = 'arraybuffer';
        ws.addEventListener('message', function (event) {
            var data = new Uint8Array(event.data);
            player.feed(data);
        });
    }
</script>