Release Notes for

STM32 Audio Engine - Equalizer Library

 

Portions Copyright © 2012 STMicroelectronics
Portions SPIRIT Audio Engine Copyright (c) 1995-2009, SPIRIT

Microcontrollers Division - Application Team

 

Overview

  

  STMicroelectronics STM32 Audio Engine is a set of software libraries allowing customers to build audio applications with high-quality and professional results.

  The STM32 Audio Engine - Equalizer Library performs equalizing by serial application of shelving (1st order) and peaking (2nd order) filters to amplify/attenuate 5 user-defined frequency bands. For more details refer to: Equalizer User's Guide

  

  It contains the following libraries/object codes to be included in the application project:

º  lib_equalizer_cortex_m4.a: optimized for Cortex-M4 core.

º  lib_equalizer_cortex_m3.a: optimized for Cortex-M3 core.

 

Update History

  

V1.1.1 / 27-April-2012

 

Main Changes

  Update spiritEQ.h file's header formatting.

  

V1.1.0 / 20-April-2012

 

Main Changes

  Equalizer Library object codes renamed:

º  lib_equalizer_arm_v7e-m.a renamed to lib_equalizer_cortex_m4.a.

º  lib_equalizer_arm_v7-m.a renamed to lib_equalizer_cortex_m3.a.

  

V1.0.1 / 06-March-2012

 

Main Changes

  spiritEQ.h: license disclaimer text update and add link to the License file on ST Internet.

  

V1.0.0 / 28-December-2011

 

Main Changes

  First official release.

 

License

 

Licensed under MCD-ST Image SW License Agreement V2, (the "License"). You may not use this file except in compliance with the License. You may obtain a copy of the License at:

http://www.st.com/software_license_agreement_image_v2

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

    

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For complete documentation on STM32 microcontrollers please visit http://www.st.com/stm32

   

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