Added normalization option to write_wav()
Added normalization option to write_wav()

stefan-balke/librosa,Cortexelus/librosa,decebel/librosa,Cortexelus/librosa,yunque/librosa,r9y9/librosa,ruohoruotsi/librosa,ruohoruotsi/librosa,r9y9/librosa,Cortexelus/librosa,ebattenberg/librosa,yunque/librosa,carlthome/librosa,ebattenberg/librosa,imsparsh/librosa,craffel/librosa,ruohoruotsi/librosa,decebel/librosa,craffel/librosa,stefan-balke/librosa,r9y9/librosa,craffel/librosa,imsparsh/librosa,stefan-balke/librosa,carlthome/librosa,carlthome/librosa