Getting amplitude value from pcm stream

        connection.receiver.speaking.on('start', userId => {
            if (!connection.receiver.subscriptions.has(userId)){
                const opusStream = connection.receiver.subscribe(userId, {
                    end: {
                        behavior: EndBehaviorType.Manual,
                    },
                });

                //decode opus stream to pcm
                const decoder = new prism.opus.Decoder({
                    rate: 48000,
                    channels: 2,
                    frameSize: 960,
                });

                const pcmStream = opusStream.pipe(decoder);

                pcmStream.on('data', (chunk) => {
                    console.log(calcrms_db(chunk));
                });
            }
        });

        connection.receiver.speaking.on('start', userId => {
            if (!connection.receiver.subscriptions.has(userId)){
                const opusStream = connection.receiver.subscribe(userId, {
                    end: {
                        behavior: EndBehaviorType.Manual,
                    },
                });

                //decode opus stream to pcm
                const decoder = new prism.opus.Decoder({
                    rate: 48000,
                    channels: 2,
                    frameSize: 960,
                });

                const pcmStream = opusStream.pipe(decoder);

                pcmStream.on('data', (chunk) => {
                    console.log(calcrms_db(chunk));
                });
            }
        });

23.079337219775482
23.079337219775482
40.7620869525427
44.53559919238725
44.06395586687512
43.951678273428044
44.03326819268514
44.6989977410556
44.47046882648833
44.447959109342385
44.66329382799398
44.72887957632754
44.67471010522133
43.98916272199328
44.462545011909796
23.079337219775482
23.079337219775482
23.079337219775482
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23.079337219775482
23.079337219775482
40.7620869525427
44.53559919238725
44.06395586687512
43.951678273428044
44.03326819268514
44.6989977410556
44.47046882648833
44.447959109342385
44.66329382799398
44.72887957632754
44.67471010522133
43.98916272199328
44.462545011909796
23.079337219775482
23.079337219775482
23.079337219775482
-Infinity
-Infinity
-Infinity
-Infinity
-Infinity
-Infinity
-Infinity
-Infinity
-Infinity
-Infinity