Amy,
Please kindly refer the below TI pages for audio processing, you will get information about the available TI processors, EVM boards and support softwares.
http://www.ti.com/lsds/ti/dsp/c6000_dsp/products.page
http://www.ti.com/lsds/ti/dsp/c6000_dsp/toolsw.page
http://www.ti.com/lsds/ti/dsp/c6000_dsp/toolsw.page#kits