PCM
Pulse-Code Modulation
The standard method of digitally representing analog audio signals by sampling amplitude at regular intervals.
Teknik Detay
A digital audio pcm represents sound as a sequence of amplitude samples taken at regular intervals. Each sample is a signed integer (16-bit: -32,768 to 32,767) or floating-point value (-1.0 to 1.0). The WAV format stores raw PCM samples with a RIFF header describing sample rate, bit depth, and channel count. Visualizing waveforms reveals dynamics: consistent amplitude indicates heavy compression (loudness war), while wide dynamic range shows preserved detail.
Ornek
```javascript
// PCM: Web Audio API example
const audioCtx = new AudioContext();
const response = await fetch('audio.mp3');
const buffer = await audioCtx.decodeAudioData(await response.arrayBuffer());
const source = audioCtx.createBufferSource();
source.buffer = buffer;
source.connect(audioCtx.destination);
source.start();
```
Ilgili Araclar
B
BPM Calculator
F
Frequency Calculator
D
Delay Time Calculator
D
dB Converter
A
Audio File Size Calculator
N
Note Frequency Chart
D
Decibel Reference Guide
L
Latency Calculator
C
Cents Calculator
L
Loudness Standards Guide
E
EQ Frequency Reference
S
Sample Rate Converter
B
Bit Depth Analyzer
C
Chord Reference
K
Key & Scale Reference