EmbeddingGemma 2: an open, lightweight multimodal embedding model
deepmind.google·6d ago
AI Engineering
Hacker News·Aug 3·5 min read
Hacker News·Aug 3·5 min readZX Spectrum System Tour: Sound
✦ Why It Matters
Explore the ZX Spectrum's sound capabilities to enhance retro game development or audio programming skills.
Key Takeaways
- Utilize the BEEP command for quick sound effects.
- Explore AY-3-8910 for advanced audio capabilities.
- Implement precise timing for better sound quality.
- Consider memory management for sound routines on 16K systems.
How It Works
The beeper generates sound by toggling a bit in the I/O port based on precise timing intervals, while the AY-3-8910 synthesizer uses a series of registers to control sound frequency and envelope length. The programming examples illustrate how to calculate frequency codes and manage sound playback efficiently.