User guide

3 DS1057F1

Cirrus Logic Speech Features

(CS48LV13 Only)

• ASR Enhance preprocessor for ASR engines

—Improves speech command recognition of ASR

engines in noisy environments

—Can be applied with VAD described below and optional

TrulyHandsfree voice control and/or cloud based ASR

Optional Speech Features Supported

(CS48LV13 Only)

• Sensory TrulyHandsfree voice control

• Complete always-on local ASR solution

—Ultralow power always-on Cirrus Logic voice detection

(VAD)

—ASR Enhance pre-processor increases ASR accuracy

in noisy conditions

—TrulyHandsFree voice trigger and voice command

Audio Playback Features

• Full complement of Cirrus Logic audio-processing

algorithms preintegrated to enhance mono or stereo

playback over speakers or headphones

—Virtual surround

—Bass enhancement

—Bass virtualization

—Parametric EQ

—Multiband compressor

• Graphical interface for selection and tuning of algorithms

Optional Audio Playback Features Supported

(CS48LV13 Only)

• Dolby® postprocessing (enhancement and virtualization)

• DTS® postprocessing (enhancement and virtualization)

• Headphone and speaker playback support

Applications

The CS48LV12/13 provides a complete voice, audio

playback and speech preprocessing solution for

smartphone, tablet, laptop, headphone/headset, and

speaker/speakerphone applications. They are optimized

for devices where pristine voice quality and echo-free,

full-duplex communication is required, especially under

conditions of adverse noise and where space and power

are limited.

1.Use of TrulyHandsfree-, Dolby-, or DTS-supported features requires the existence and proof of a valid license agreement with the corresponding

company to be able to use or distribute its technology in any finished end-user or ready-to-use final product.