lameenc

import lameenc import array # Example: Generate some dummy 16-bit PCM stereo audio (e.g., a sine wave) # For a real application, this would come from an audio input/file sample_rate = 44100 # Hz channels = 2 # Stereo duration = 3 # seconds num_samples = sample_rate * duration # Create a bytearray for 16-bit interleaved PCM data # Each sample is 2 bytes (16-bit), stereo means 2 samples per frame pcm_data_raw = array.array('h', [0] * (num_samples * channels)) # Fill with a simple sine wave (for demonstration purposes) import math for i in range(num_samples): amplitude = int(32767 * math.sin(2 * math.pi * 440 * i / sample_rate)) pcm_data_raw[i * channels] = amplitude # Left channel pcm_data_raw[i * channels + 1] = amplitude # Right channel pcm_bytes = pcm_data_raw.tobytes() # Initialize the encoder encoder = lameenc.Encoder() encoder.set_bit_rate(128) # 128 kbps encoder.set_in_sample_rate(sample_rate) encoder.set_channels(channels) encoder.set_quality(2) # 2 = highest, 7 = fastest # Encode the audio mp3_data = encoder.encode(pcm_bytes) mp3_data += encoder.flush() # Flush any remaining buffered data # Save to a file (optional) with open('output.mp3', 'wb') as f: f.write(mp3_data) print(f"MP3 data generated and saved to output.mp3 (size: {len(mp3_data)} bytes)")