diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index cdda6a3..5612019 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -4,7 +4,7 @@ on:
   push:
 
 env:
-  CACHE_VERSION: 21
+  CACHE_VERSION: 22
   DEBIAN_FRONTEND: noninteractive
   HOMEBREW_NO_AUTO_UPDATE: 1
   LIBGL_ALWAYS_SOFTWARE: 'true'
@@ -444,6 +444,8 @@ jobs:
           make features
           make CIBUILD=true NOOPT=true WITH_LTO=true -j $(sysctl -n hw.logicalcpu)
       - name: Build macOS intel (AU using juce)
+        env:
+          MACOSX_DEPLOYMENT_TARGET: '10.8'
         run: |
           pushd deps/PawPaw; source local.env macos; popd
           git clone --depth=1 -b master https://github.com/juce-framework/JUCE.git jucewrapper/JUCE
@@ -531,6 +533,8 @@ jobs:
           make features
           make CIBUILD=true NOOPT=true WITH_LTO=true -j $(sysctl -n hw.logicalcpu)
       - name: Build macOS universal (AU using juce)
+        env:
+          MACOSX_DEPLOYMENT_TARGET: '10.12'
         run: |
           pushd deps/PawPaw; source local.env macos-universal; popd
           git clone --depth=1 -b master https://github.com/juce-framework/JUCE.git jucewrapper/JUCE
diff --git a/deps/Makefile b/deps/Makefile
index 56ba9a8..876e2eb 100644
--- a/deps/Makefile
+++ b/deps/Makefile
@@ -103,7 +103,8 @@ ifneq (,$(findstring -arch$(SPACE),$(CXXFLAGS)))
 CMAKE += -DCMAKE_OSX_ARCHITECTURES='$(subst $(SPACE),;,$(subst -arch=,,$(filter -arch=%,$(subst -arch$(SPACE),-arch=,$(CXXFLAGS)))))'
 endif
 ifneq (,$(findstring -mmacosx-version-min=,$(CXXFLAGS)))
-CMAKE += -DCMAKE_OSX_DEPLOYMENT_TARGET=$(subst -mmacosx-version-min=,,$(filter -mmacosx-version-min=%,$(CXXFLAGS)))
+export MACOSX_DEPLOYMENT_TARGET = $(subst -mmacosx-version-min=,,$(filter -mmacosx-version-min=%,$(CXXFLAGS)))
+CMAKE += -DCMAKE_OSX_DEPLOYMENT_TARGET=$(MACOSX_DEPLOYMENT_TARGET)
 endif
 
 # make sure debug/release matches
diff --git a/deps/PawPaw b/deps/PawPaw
index 06295f2..dbdcdb3 160000
--- a/deps/PawPaw
+++ b/deps/PawPaw
@@ -1 +1 @@
-Subproject commit 06295f217fcaa3c023eef3c3d4a0fe9203b53cb1
+Subproject commit dbdcdb38a1cfe1487fb7f1a072cba24e4270ee43
diff --git a/deps/aubio/Makefile b/deps/aubio/Makefile
index 8d6e45a..7c150a4 100644
--- a/deps/aubio/Makefile
+++ b/deps/aubio/Makefile
@@ -17,6 +17,10 @@ BUILD_C_FLAGS += -I.
 BUILD_C_FLAGS += -Isrc
 BUILD_C_FLAGS += $(shell pkg-config --cflags fftw3f)
 
+ifeq ($(CIBUILD),true)
+BUILD_C_FLAGS += -DSKIP_FFTW_MUTEX
+endif
+
 OBJS = \
 	src/cvec.c.o \
 	src/fvec.c.o \
diff --git a/deps/aubio/src/spectral/fft.c b/deps/aubio/src/spectral/fft.c
index 679231a..9384ca2 100644
--- a/deps/aubio/src/spectral/fft.c
+++ b/deps/aubio/src/spectral/fft.c
@@ -24,34 +24,17 @@
 #include "mathutils.h"
 #include "spectral/fft.h"
 
-#ifdef HAVE_FFTW3             // using FFTW3
 /* note that <complex.h> is not included here but only in aubio_priv.h, so that
  * c++ projects can still use their own complex definition. */
 #include <fftw3.h>
 #include <pthread.h>
 
-#ifdef HAVE_COMPLEX_H
-#ifdef HAVE_FFTW3F
 /** fft data type with complex.h and fftw3f */
 #define FFTW_TYPE fftwf_complex
-#else
-/** fft data type with complex.h and fftw3 */
-#define FFTW_TYPE fftw_complex
-#endif
-#else
-#ifdef HAVE_FFTW3F
-/** fft data type without complex.h and with fftw3f */
-#define FFTW_TYPE float
-#else
-/** fft data type without complex.h and with fftw */
-#define FFTW_TYPE double
-#endif
-#endif
 
 /** fft data type */
 typedef FFTW_TYPE fft_data_t;
 
-#ifdef HAVE_FFTW3F
 #define fftw_malloc            fftwf_malloc
 #define fftw_free              fftwf_free
 #define fftw_execute           fftwf_execute
@@ -60,120 +43,26 @@ typedef FFTW_TYPE fft_data_t;
 #define fftw_plan_r2r_1d       fftwf_plan_r2r_1d
 #define fftw_plan              fftwf_plan
 #define fftw_destroy_plan      fftwf_destroy_plan
-#endif
 
-#ifdef HAVE_FFTW3F
 #if HAVE_AUBIO_DOUBLE
 #error "Using aubio in double precision with fftw3 in single precision"
 #endif /* HAVE_AUBIO_DOUBLE */
+
 #define real_t float
-#elif defined (HAVE_FFTW3) /* HAVE_FFTW3F */
-#if !HAVE_AUBIO_DOUBLE
-#error "Using aubio in single precision with fftw3 in double precision"
-#endif /* HAVE_AUBIO_DOUBLE */
-#define real_t double
-#endif /* HAVE_FFTW3F */
 
-#ifndef __MOD_DEVICES__
+#ifndef SKIP_FFTW_MUTEX
 // a global mutex for FFTW thread safety
 pthread_mutex_t aubio_fftw_mutex = PTHREAD_MUTEX_INITIALIZER;
 #endif
 
-#elif defined HAVE_ACCELERATE        // using ACCELERATE
-// https://developer.apple.com/library/mac/#documentation/Accelerate/Reference/vDSPRef/Reference/reference.html
-#include <Accelerate/Accelerate.h>
-
-#if !HAVE_AUBIO_DOUBLE
-#define aubio_vDSP_ctoz                vDSP_ctoz
-#define aubio_vDSP_fft_zrip            vDSP_fft_zrip
-#define aubio_vDSP_ztoc                vDSP_ztoc
-#define aubio_vDSP_zvmags              vDSP_zvmags
-#define aubio_vDSP_zvphas              vDSP_zvphas
-#define aubio_vDSP_vsadd               vDSP_vsadd
-#define aubio_vDSP_vsmul               vDSP_vsmul
-#define aubio_DSPComplex               DSPComplex
-#define aubio_DSPSplitComplex          DSPSplitComplex
-#define aubio_vDSP_DFT_Setup           vDSP_DFT_Setup
-#define aubio_vDSP_DFT_zrop_CreateSetup vDSP_DFT_zrop_CreateSetup
-#define aubio_vDSP_DFT_Execute         vDSP_DFT_Execute
-#define aubio_vDSP_DFT_DestroySetup    vDSP_DFT_DestroySetup
-#define aubio_vvsqrt                   vvsqrtf
-#else
-#define aubio_vDSP_ctoz                vDSP_ctozD
-#define aubio_vDSP_fft_zrip            vDSP_fft_zripD
-#define aubio_vDSP_ztoc                vDSP_ztocD
-#define aubio_vDSP_zvmags              vDSP_zvmagsD
-#define aubio_vDSP_zvphas              vDSP_zvphasD
-#define aubio_vDSP_vsadd               vDSP_vsaddD
-#define aubio_vDSP_vsmul               vDSP_vsmulD
-#define aubio_DSPComplex               DSPDoubleComplex
-#define aubio_DSPSplitComplex          DSPDoubleSplitComplex
-#define aubio_vDSP_DFT_Setup           vDSP_DFT_SetupD
-#define aubio_vDSP_DFT_zrop_CreateSetup vDSP_DFT_zrop_CreateSetupD
-#define aubio_vDSP_DFT_Execute         vDSP_DFT_ExecuteD
-#define aubio_vDSP_DFT_DestroySetup    vDSP_DFT_DestroySetupD
-#define aubio_vvsqrt                   vvsqrt
-#endif /* HAVE_AUBIO_DOUBLE */
-
-#elif defined HAVE_INTEL_IPP // using INTEL IPP
-
-#if !HAVE_AUBIO_DOUBLE
-#define aubio_IppFloat                 Ipp32f
-#define aubio_IppComplex               Ipp32fc
-#define aubio_FFTSpec                  FFTSpec_R_32f
-#define aubio_ippsMalloc_complex       ippsMalloc_32fc
-#define aubio_ippsFFTInit_R            ippsFFTInit_R_32f
-#define aubio_ippsFFTGetSize_R         ippsFFTGetSize_R_32f
-#define aubio_ippsFFTInv_CCSToR        ippsFFTInv_CCSToR_32f
-#define aubio_ippsFFTFwd_RToCCS        ippsFFTFwd_RToCCS_32f
-#define aubio_ippsAtan2                ippsAtan2_32f_A21
-#else /* HAVE_AUBIO_DOUBLE */
-#define aubio_IppFloat                 Ipp64f
-#define aubio_IppComplex               Ipp64fc
-#define aubio_FFTSpec                  FFTSpec_R_64f
-#define aubio_ippsMalloc_complex       ippsMalloc_64fc
-#define aubio_ippsFFTInit_R            ippsFFTInit_R_64f
-#define aubio_ippsFFTGetSize_R         ippsFFTGetSize_R_64f
-#define aubio_ippsFFTInv_CCSToR        ippsFFTInv_CCSToR_64f
-#define aubio_ippsFFTFwd_RToCCS        ippsFFTFwd_RToCCS_64f
-#define aubio_ippsAtan2                ippsAtan2_64f_A50
-#endif
-
-
-#else // using OOURA
-// let's use ooura instead
-extern void aubio_ooura_rdft(int, int, smpl_t *, int *, smpl_t *);
-
-#endif
-
 struct _aubio_fft_t {
   uint_t winsize;
   uint_t fft_size;
 
-#ifdef HAVE_FFTW3             // using FFTW3
   real_t *in, *out;
   fftw_plan pfw, pbw;
   fft_data_t * specdata; /* complex spectral data */
 
-#elif defined HAVE_ACCELERATE  // using ACCELERATE
-  aubio_vDSP_DFT_Setup fftSetupFwd;
-  aubio_vDSP_DFT_Setup fftSetupBwd;
-  aubio_DSPSplitComplex spec;
-  smpl_t *in, *out;
-
-#elif defined HAVE_INTEL_IPP  // using Intel IPP
-  smpl_t *in, *out;
-  Ipp8u* memSpec;
-  Ipp8u* memInit;
-  Ipp8u* memBuffer;
-  struct aubio_FFTSpec* fftSpec;
-  aubio_IppComplex* complexOut;
-#else                         // using OOURA
-  smpl_t *in, *out;
-  smpl_t *w;
-  int *ip;
-#endif /* using OOURA */
-
   fvec_t * compspec;
 };
 
@@ -184,7 +73,6 @@ aubio_fft_t * new_aubio_fft (uint_t winsize) {
     goto beach;
   }
 
-#ifdef HAVE_FFTW3
   uint_t i;
   s->winsize  = winsize;
   /* allocate memory */
@@ -192,21 +80,14 @@ aubio_fft_t * new_aubio_fft (uint_t winsize) {
   s->out      = AUBIO_ARRAY(real_t,winsize);
   s->compspec = new_fvec(winsize);
   /* create plans */
-#ifndef __MOD_DEVICES__
+#ifndef SKIP_FFTW_MUTEX
   pthread_mutex_lock(&aubio_fftw_mutex);
 #endif
-#ifdef HAVE_COMPLEX_H
   s->fft_size = winsize/2 + 1;
   s->specdata = (fft_data_t*)fftw_malloc(sizeof(fft_data_t)*s->fft_size);
   s->pfw = fftw_plan_dft_r2c_1d(winsize, s->in,  s->specdata, FFTW_ESTIMATE);
   s->pbw = fftw_plan_dft_c2r_1d(winsize, s->specdata, s->out, FFTW_ESTIMATE);
-#else
-  s->fft_size = winsize;
-  s->specdata = (fft_data_t*)fftw_malloc(sizeof(fft_data_t)*s->fft_size);
-  s->pfw = fftw_plan_r2r_1d(winsize, s->in,  s->specdata, FFTW_R2HC, FFTW_ESTIMATE);
-  s->pbw = fftw_plan_r2r_1d(winsize, s->specdata, s->out, FFTW_HC2R, FFTW_ESTIMATE);
-#endif
-#ifndef __MOD_DEVICES__
+#ifndef SKIP_FFTW_MUTEX
   pthread_mutex_unlock(&aubio_fftw_mutex);
 #endif
   for (i = 0; i < s->winsize; i++) {
@@ -217,87 +98,6 @@ aubio_fft_t * new_aubio_fft (uint_t winsize) {
     s->specdata[i] = 0.;
   }
 
-#elif defined HAVE_ACCELERATE  // using ACCELERATE
-  {
-    uint_t radix = winsize;
-    uint_t order = 0;
-    while ((radix / 2) * 2 == radix) {
-      radix /= 2;
-      order++;
-    }
-    if (order < 4 || (radix != 1 && radix != 3 && radix != 5 && radix != 15)) {
-      AUBIO_ERR("fft: vDSP/Accelerate supports FFT with sizes = "
-          "f * 2 ** n, where n > 4 and f in [1, 3, 5, 15], but requested %d. "
-          "Use the closest power of two, or try recompiling aubio with "
-          "--enable-fftw3.\n", winsize);
-      goto beach;
-    }
-  }
-  s->winsize = winsize;
-  s->fft_size = winsize;
-  s->compspec = new_fvec(winsize);
-  s->in = AUBIO_ARRAY(smpl_t, s->fft_size);
-  s->out = AUBIO_ARRAY(smpl_t, s->fft_size);
-  s->spec.realp = AUBIO_ARRAY(smpl_t, s->fft_size/2);
-  s->spec.imagp = AUBIO_ARRAY(smpl_t, s->fft_size/2);
-  s->fftSetupFwd = aubio_vDSP_DFT_zrop_CreateSetup(NULL,
-      s->fft_size, vDSP_DFT_FORWARD);
-  s->fftSetupBwd = aubio_vDSP_DFT_zrop_CreateSetup(s->fftSetupFwd,
-      s->fft_size, vDSP_DFT_INVERSE);
-
-#elif defined HAVE_INTEL_IPP  // using Intel IPP
-  const IppHintAlgorithm qualityHint = ippAlgHintAccurate; // OR ippAlgHintFast;
-  const int flags = IPP_FFT_NODIV_BY_ANY; // we're scaling manually afterwards
-  int order = aubio_power_of_two_order(winsize);
-  int sizeSpec, sizeInit, sizeBuffer;
-  IppStatus status;
-
-  if (winsize <= 4 || aubio_is_power_of_two(winsize) != 1)
-  {
-    AUBIO_ERR("intel IPP fft: can only create with sizes > 4 and power of two, requested %d,"
-      " try recompiling aubio with --enable-fftw3\n", winsize);
-    goto beach;
-  }
-
-  status = aubio_ippsFFTGetSize_R(order, flags, qualityHint,
-      &sizeSpec, &sizeInit, &sizeBuffer);
-  if (status != ippStsNoErr) {
-    AUBIO_ERR("fft: failed to initialize fft. IPP error: %d\n", status);
-    goto beach;
-  }
-  s->fft_size = s->winsize = winsize;
-  s->compspec = new_fvec(winsize);
-  s->in = AUBIO_ARRAY(smpl_t, s->winsize);
-  s->out = AUBIO_ARRAY(smpl_t, s->winsize);
-  s->memSpec = ippsMalloc_8u(sizeSpec);
-  s->memBuffer = ippsMalloc_8u(sizeBuffer);
-  if (sizeInit > 0 ) {
-    s->memInit = ippsMalloc_8u(sizeInit);
-  }
-  s->complexOut = aubio_ippsMalloc_complex(s->fft_size / 2 + 1);
-  status = aubio_ippsFFTInit_R(
-    &s->fftSpec, order, flags, qualityHint, s->memSpec, s->memInit);
-  if (status != ippStsNoErr) {
-    AUBIO_ERR("fft: failed to initialize. IPP error: %d\n", status);
-    goto beach;
-  }
-
-#else                         // using OOURA
-  if (aubio_is_power_of_two(winsize) != 1) {
-    AUBIO_ERR("fft: can only create with sizes power of two, requested %d,"
-        " try recompiling aubio with --enable-fftw3\n", winsize);
-    goto beach;
-  }
-  s->winsize = winsize;
-  s->fft_size = winsize / 2 + 1;
-  s->compspec = new_fvec(winsize);
-  s->in    = AUBIO_ARRAY(smpl_t, s->winsize);
-  s->out   = AUBIO_ARRAY(smpl_t, s->winsize);
-  s->ip    = AUBIO_ARRAY(int   , s->fft_size);
-  s->w     = AUBIO_ARRAY(smpl_t, s->fft_size);
-  s->ip[0] = 0;
-#endif /* using OOURA */
-
   return s;
 
 beach:
@@ -307,34 +107,16 @@ beach:
 
 void del_aubio_fft(aubio_fft_t * s) {
   /* destroy data */
-#ifdef HAVE_FFTW3             // using FFTW3
-#ifndef __MOD_DEVICES__
+#ifndef SKIP_FFTW_MUTEX
   pthread_mutex_lock(&aubio_fftw_mutex);
 #endif
   fftw_destroy_plan(s->pfw);
   fftw_destroy_plan(s->pbw);
   fftw_free(s->specdata);
-#ifndef __MOD_DEVICES__
+#ifndef SKIP_FFTW_MUTEX
   pthread_mutex_unlock(&aubio_fftw_mutex);
 #endif
 
-#elif defined HAVE_ACCELERATE // using ACCELERATE
-  AUBIO_FREE(s->spec.realp);
-  AUBIO_FREE(s->spec.imagp);
-  aubio_vDSP_DFT_DestroySetup(s->fftSetupBwd);
-  aubio_vDSP_DFT_DestroySetup(s->fftSetupFwd);
-
-#elif defined HAVE_INTEL_IPP  // using Intel IPP
-  ippFree(s->memSpec);
-  ippFree(s->memInit);
-  ippFree(s->memBuffer);
-  ippFree(s->complexOut);
-
-#else                         // using OOURA
-  AUBIO_FREE(s->w);
-  AUBIO_FREE(s->ip);
-#endif
-
   del_fvec(s->compspec);
   AUBIO_FREE(s->in);
   AUBIO_FREE(s->out);
@@ -361,131 +143,28 @@ void aubio_fft_do_complex(aubio_fft_t * s, const fvec_t * input, fvec_t * compsp
   memcpy(s->in, input->data, s->winsize * sizeof(smpl_t));
 #endif /* HAVE_MEMCPY_HACKS */
 
-#ifdef HAVE_FFTW3             // using FFTW3
   fftw_execute(s->pfw);
-#ifdef HAVE_COMPLEX_H
   compspec->data[0] = REAL(s->specdata[0]);
   for (i = 1; i < s->fft_size -1 ; i++) {
     compspec->data[i] = REAL(s->specdata[i]);
     compspec->data[compspec->length - i] = IMAG(s->specdata[i]);
   }
   compspec->data[s->fft_size-1] = REAL(s->specdata[s->fft_size-1]);
-#else /* HAVE_COMPLEX_H  */
-  for (i = 0; i < s->fft_size; i++) {
-    compspec->data[i] = s->specdata[i];
-  }
-#endif /* HAVE_COMPLEX_H */
-
-#elif defined HAVE_ACCELERATE // using ACCELERATE
-  // convert real data to even/odd format used in vDSP
-  aubio_vDSP_ctoz((aubio_DSPComplex*)s->in, 2, &s->spec, 1, s->fft_size/2);
-  // compute the FFT
-  aubio_vDSP_DFT_Execute(s->fftSetupFwd, s->spec.realp, s->spec.imagp,
-      s->spec.realp, s->spec.imagp);
-  // convert from vDSP complex split to [ r0, r1, ..., rN, iN-1, .., i2, i1]
-  compspec->data[0] = s->spec.realp[0];
-  compspec->data[s->fft_size / 2] = s->spec.imagp[0];
-  for (i = 1; i < s->fft_size / 2; i++) {
-    compspec->data[i] = s->spec.realp[i];
-    compspec->data[s->fft_size - i] = s->spec.imagp[i];
-  }
-  // apply scaling
-  smpl_t scale = 1./2.;
-  aubio_vDSP_vsmul(compspec->data, 1, &scale, compspec->data, 1, s->fft_size);
-
-#elif defined HAVE_INTEL_IPP  // using Intel IPP
-
-  // apply fft
-  aubio_ippsFFTFwd_RToCCS(s->in, (aubio_IppFloat*)s->complexOut, s->fftSpec, s->memBuffer);
-  // convert complex buffer to [ r0, r1, ..., rN, iN-1, .., i2, i1]
-  compspec->data[0] = s->complexOut[0].re;
-  compspec->data[s->fft_size / 2] = s->complexOut[s->fft_size / 2].re;
-  for (i = 1; i < s->fft_size / 2; i++) {
-    compspec->data[i] = s->complexOut[i].re;
-    compspec->data[s->fft_size - i] = s->complexOut[i].im;
-  }
-
-#else                         // using OOURA
-  aubio_ooura_rdft(s->winsize, 1, s->in, s->ip, s->w);
-  compspec->data[0] = s->in[0];
-  compspec->data[s->winsize / 2] = s->in[1];
-  for (i = 1; i < s->fft_size - 1; i++) {
-    compspec->data[i] = s->in[2 * i];
-    compspec->data[s->winsize - i] = - s->in[2 * i + 1];
-  }
-#endif /* using OOURA */
 }
 
 void aubio_fft_rdo_complex(aubio_fft_t * s, const fvec_t * compspec, fvec_t * output) {
   uint_t i;
-#ifdef HAVE_FFTW3
   const smpl_t renorm = 1./(smpl_t)s->winsize;
-#ifdef HAVE_COMPLEX_H
   s->specdata[0] = compspec->data[0];
   for (i=1; i < s->fft_size - 1; i++) {
     s->specdata[i] = compspec->data[i] +
       I * compspec->data[compspec->length - i];
   }
   s->specdata[s->fft_size - 1] = compspec->data[s->fft_size - 1];
-#else
-  for (i=0; i < s->fft_size; i++) {
-    s->specdata[i] = compspec->data[i];
-  }
-#endif
   fftw_execute(s->pbw);
   for (i = 0; i < output->length; i++) {
     output->data[i] = s->out[i]*renorm;
   }
-
-#elif defined HAVE_ACCELERATE // using ACCELERATE
-  // convert from real imag  [ r0, r1, ..., rN, iN-1, .., i2, i1]
-  // to vDSP packed format   [ r0, rN, r1, i1, ..., rN-1, iN-1 ]
-  s->out[0] = compspec->data[0];
-  s->out[1] = compspec->data[s->winsize / 2];
-  for (i = 1; i < s->fft_size / 2; i++) {
-    s->out[2 * i] = compspec->data[i];
-    s->out[2 * i + 1] = compspec->data[s->winsize - i];
-  }
-  // convert to split complex format used in vDSP
-  aubio_vDSP_ctoz((aubio_DSPComplex*)s->out, 2, &s->spec, 1, s->fft_size/2);
-  // compute the FFT
-  aubio_vDSP_DFT_Execute(s->fftSetupBwd, s->spec.realp, s->spec.imagp,
-      s->spec.realp, s->spec.imagp);
-  // convert result to real output
-  aubio_vDSP_ztoc(&s->spec, 1, (aubio_DSPComplex*)output->data, 2, s->fft_size/2);
-  // apply scaling
-  smpl_t scale = 1.0 / s->winsize;
-  aubio_vDSP_vsmul(output->data, 1, &scale, output->data, 1, s->fft_size);
-
-#elif defined HAVE_INTEL_IPP  // using Intel IPP
-
-  // convert from real imag  [ r0, 0, ..., rN, iN-1, .., i2, i1, iN-1] to complex format
-  s->complexOut[0].re = compspec->data[0];
-  s->complexOut[0].im = 0;
-  s->complexOut[s->fft_size / 2].re = compspec->data[s->fft_size / 2];
-  s->complexOut[s->fft_size / 2].im = 0.0;
-  for (i = 1; i < s->fft_size / 2; i++) {
-    s->complexOut[i].re = compspec->data[i];
-    s->complexOut[i].im = compspec->data[s->fft_size - i];
-  }
-  // apply fft
-  aubio_ippsFFTInv_CCSToR((const aubio_IppFloat *)s->complexOut, output->data, s->fftSpec, s->memBuffer);
-  // apply scaling
-  aubio_ippsMulC(output->data, 1.0 / s->winsize, output->data, s->fft_size);
-
-#else                         // using OOURA
-  smpl_t scale = 2.0 / s->winsize;
-  s->out[0] = compspec->data[0];
-  s->out[1] = compspec->data[s->winsize / 2];
-  for (i = 1; i < s->fft_size - 1; i++) {
-    s->out[2 * i] = compspec->data[i];
-    s->out[2 * i + 1] = - compspec->data[s->winsize - i];
-  }
-  aubio_ooura_rdft(s->winsize, -1, s->out, s->ip, s->w);
-  for (i=0; i < s->winsize; i++) {
-    output->data[i] = s->out[i] * scale;
-  }
-#endif
 }
 
 void aubio_fft_get_spectrum(const fvec_t * compspec, cvec_t * spectrum) {
@@ -505,42 +184,22 @@ void aubio_fft_get_phas(const fvec_t * compspec, cvec_t * spectrum) {
   } else {
     spectrum->phas[0] = 0.;
   }
-#if defined(HAVE_INTEL_IPP)
-  // convert from real imag  [ r0, r1, ..., rN, iN-1, ..., i2, i1, i0]
-  //                     to  [ r0, r1, ..., rN, i0, i1, i2, ..., iN-1]
-  for (i = 1; i < spectrum->length / 2; i++) {
-    ELEM_SWAP(compspec->data[compspec->length - i],
-        compspec->data[spectrum->length + i - 1]);
-  }
-  aubio_ippsAtan2(compspec->data + spectrum->length,
-      compspec->data + 1, spectrum->phas + 1, spectrum->length - 1);
-  // revert the imaginary part back again
-  for (i = 1; i < spectrum->length / 2; i++) {
-    ELEM_SWAP(compspec->data[spectrum->length + i - 1],
-        compspec->data[compspec->length - i]);
-  }
-#else
   for (i=1; i < spectrum->length - 1; i++) {
     spectrum->phas[i] = ATAN2(compspec->data[compspec->length-i],
         compspec->data[i]);
   }
-#endif
-#ifdef HAVE_FFTW3
   // for even length only, make sure last element is 0 or PI
   if (2 * (compspec->length / 2) == compspec->length) {
-#endif
     if (compspec->data[compspec->length/2] < 0) {
       spectrum->phas[spectrum->length - 1] = PI;
     } else {
       spectrum->phas[spectrum->length - 1] = 0.;
     }
-#ifdef HAVE_FFTW3
   } else {
     i = spectrum->length - 1;
     spectrum->phas[i] = ATAN2(compspec->data[compspec->length-i],
         compspec->data[i]);
   }
-#endif
 }
 
 void aubio_fft_get_norm(const fvec_t * compspec, cvec_t * spectrum) {
@@ -550,19 +209,15 @@ void aubio_fft_get_norm(const fvec_t * compspec, cvec_t * spectrum) {
     spectrum->norm[i] = SQRT(SQR(compspec->data[i])
         + SQR(compspec->data[compspec->length - i]) );
   }
-#ifdef HAVE_FFTW3
   // for even length, make sure last element is > 0
   if (2 * (compspec->length / 2) == compspec->length) {
-#endif
     spectrum->norm[spectrum->length-1] =
       ABS(compspec->data[compspec->length/2]);
-#ifdef HAVE_FFTW3
   } else {
     i = spectrum->length - 1;
     spectrum->norm[i] = SQRT(SQR(compspec->data[i])
         + SQR(compspec->data[compspec->length - i]) );
   }
-#endif
 }
 
 void aubio_fft_get_imag(const cvec_t * spectrum, fvec_t * compspec) {
diff --git a/dpf b/dpf
index 081d4d7..dba284c 160000
--- a/dpf
+++ b/dpf
@@ -1 +1 @@
-Subproject commit 081d4d7392ef587f46dc3b216369655828bbda7f
+Subproject commit dba284c267c74b12338a576c609885553c19552e