Ei vielä käännetty
Tätä sivua ei ole vielä käännetty suomeksi, joten se näytetään englanniksi. Auta kääntämään
wave Module¶
The wave module reads and writes WAV (RIFF) audio files, supporting various sample rates and bit depths.
Complexity Reference¶
| Operation | Time | Space | Notes |
|---|---|---|---|
open() |
O(1) | O(1) | Open file; reads header |
| Read/write | O(n) | O(n) | n = frame count; I/O bound |
Working with WAV Files¶
Reading WAV File¶
import wave
# Open - O(1)
with wave.open('audio.wav', 'rb') as wav:
# Get properties
n_channels = wav.getnchannels()
sample_width = wav.getsampwidth()
framerate = wav.getframerate()
n_frames = wav.getnframes()
# Read frames - O(n)
frames = wav.readframes(n_frames)
Writing WAV File¶
import wave
# Create - O(1)
with wave.open('output.wav', 'wb') as wav:
# Set parameters
wav.setnchannels(2) # Stereo
wav.setsampwidth(2) # 16-bit
wav.setframerate(44100) # 44.1 kHz
# Write frames - O(n)
wav.writeframes(audio_data)