Smart Speaker Echo Cancellation

I need an expert to implement XMOS audio echo cancellation for a smart speaker. The primary function of this echo cancellation is to enhance voice commands. The smart speaker will primarily be used in a home environment.

Key Requirements:
- Implement echo cancellation for voice command enhancement
- Optimize for home usage scenarios

Ideal Skills and Experience:
- Experience with XMOS audio processing
- Strong background in audio signal processing
- Familiarity with smart speaker technologies and voice command systems
- Previous work on echo cancellation projects