To successfully solve echo problem in mobile phones, smartphones and
other handheld devices SPIRIT offers Automatic 3G VT Acoustic Echo
Canceller. The solution is aimed to eliminate acoustic echo in mobile
communications over 3G networks and to provide full duplex conversation in
video telephony applications.
SPIRIT Automatic 3G VT AEC is a complete solution including:
Full-duplex Acoustic Echo Canceller to cancel acoustic feedback between loudspeaker and microphone
Noise Suppression to filter out noises mixed with user's voice, and to ensure highly intelligible speech quality.
Automatic Gain Control and Voice Activity Detection to adjust microphone levels for effective acoustic echo cancellation
Comfort Noise Generation to avoid disconnected line effect
Features
Secures full-duplex, echo-free voice in video telephony applications
Eliminates noises
Adjusts speaker and microphone levels
Suppresses residual echo and generates comfort noise
Prevents howling
Benefits
Automated high quality AEC configuration within 24 hours
Automatic validation of the customer’s audio driver with AEC
Traditionally high voice quality
No dependence on 3rd party engineers
Reuse of the deployment experience for new product launches
Instant AEC adaptation to new handsets’ designs
Reduced time-to-market
AVAILABILITY
All ARM9 and ARM9E based processors (XScale, OMAP and others)
