diff --git a/spa/plugins/audioconvert/resample-native-avx2.c b/spa/plugins/audioconvert/resample-native-avx2.c
index 83a28e5d1..d8d658c3a 100644
--- a/spa/plugins/audioconvert/resample-native-avx2.c
+++ b/spa/plugins/audioconvert/resample-native-avx2.c
@@ -40,8 +40,9 @@ static inline void inner_product_ip_avx2(float *d, const float * SPA_RESTRICT s,
 	const float * SPA_RESTRICT t0, const float * SPA_RESTRICT t1, float x,
 	uint32_t n_taps)
 {
-	__m256 sy[2] = { _mm256_setzero_ps(), _mm256_setzero_ps() }, ty;
-	__m128 sx[2], tx;
+	__m256 sy[4] = { _mm256_setzero_ps(), _mm256_setzero_ps(),
+			 _mm256_setzero_ps(), _mm256_setzero_ps() }, ty;
+	__m128 sx[4], tx;
 	uint32_t i, n_taps4 = n_taps & ~0xf;
 
 	for (i = 0; i < n_taps4; i += 16) {
@@ -49,9 +50,11 @@ static inline void inner_product_ip_avx2(float *d, const float * SPA_RESTRICT s,
 		sy[0] = _mm256_fmadd_ps(ty, _mm256_load_ps(t0 + i + 0), sy[0]);
 		sy[1] = _mm256_fmadd_ps(ty, _mm256_load_ps(t1 + i + 0), sy[1]);
 		ty = _mm256_loadu_ps(s + i + 8);
-		sy[0] = _mm256_fmadd_ps(ty, _mm256_load_ps(t0 + i + 8), sy[0]);
-		sy[1] = _mm256_fmadd_ps(ty, _mm256_load_ps(t1 + i + 8), sy[1]);
+		sy[2] = _mm256_fmadd_ps(ty, _mm256_load_ps(t0 + i + 8), sy[2]);
+		sy[3] = _mm256_fmadd_ps(ty, _mm256_load_ps(t1 + i + 8), sy[3]);
 	}
+	sy[0] = _mm256_add_ps(sy[0], sy[2]);
+	sy[1] = _mm256_add_ps(sy[1], sy[3]);
 	sx[0] = _mm_add_ps(_mm256_extractf128_ps(sy[0], 0), _mm256_extractf128_ps(sy[0], 1));
 	sx[1] = _mm_add_ps(_mm256_extractf128_ps(sy[1], 0), _mm256_extractf128_ps(sy[1], 1));
 
diff --git a/spa/plugins/audioconvert/resample-native-sse.c b/spa/plugins/audioconvert/resample-native-sse.c
index d1426713a..5fc6ed6ea 100644
--- a/spa/plugins/audioconvert/resample-native-sse.c
+++ b/spa/plugins/audioconvert/resample-native-sse.c
@@ -32,7 +32,8 @@ static inline void inner_product_ip_sse(float *d, const float * SPA_RESTRICT s,
 	const float * SPA_RESTRICT t0, const float * SPA_RESTRICT t1, float x,
 	uint32_t n_taps)
 {
-	__m128 sum[2] = { _mm_setzero_ps (), _mm_setzero_ps () }, t;
+	__m128 sum[4] = { _mm_setzero_ps(), _mm_setzero_ps(),
+			  _mm_setzero_ps(), _mm_setzero_ps() }, t;
 	uint32_t i;
 
 	for (i = 0; i < n_taps; i += 8) {
@@ -40,9 +41,11 @@ static inline void inner_product_ip_sse(float *d, const float * SPA_RESTRICT s,
 		sum[0] = _mm_add_ps(sum[0], _mm_mul_ps(t, _mm_load_ps(t0 + i + 0)));
 		sum[1] = _mm_add_ps(sum[1], _mm_mul_ps(t, _mm_load_ps(t1 + i + 0)));
 		t = _mm_loadu_ps(s + i + 4);
-		sum[0] = _mm_add_ps(sum[0], _mm_mul_ps(t, _mm_load_ps(t0 + i + 4)));
-		sum[1] = _mm_add_ps(sum[1], _mm_mul_ps(t, _mm_load_ps(t1 + i + 4)));
+		sum[2] = _mm_add_ps(sum[2], _mm_mul_ps(t, _mm_load_ps(t0 + i + 4)));
+		sum[3] = _mm_add_ps(sum[3], _mm_mul_ps(t, _mm_load_ps(t1 + i + 4)));
 	}
+	sum[0] = _mm_add_ps(sum[0], sum[2]);
+	sum[1] = _mm_add_ps(sum[1], sum[3]);
 	sum[1] = _mm_mul_ps(_mm_sub_ps(sum[1], sum[0]), _mm_load1_ps(&x));
 	sum[0] = _mm_add_ps(sum[0], sum[1]);
 	sum[0] = _mm_add_ps(sum[0], _mm_movehl_ps(sum[0], sum[0]));
diff --git a/spa/plugins/audioconvert/resample-native-ssse3.c b/spa/plugins/audioconvert/resample-native-ssse3.c
index 1ef26e700..e445e316d 100644
--- a/spa/plugins/audioconvert/resample-native-ssse3.c
+++ b/spa/plugins/audioconvert/resample-native-ssse3.c
@@ -82,7 +82,8 @@ static inline void inner_product_ip_ssse3(float *d, const float * SPA_RESTRICT s
 	const float * SPA_RESTRICT t0, const float * SPA_RESTRICT t1, float x,
 	uint32_t n_taps)
 {
-	__m128 sum[2] = { _mm_setzero_ps(), _mm_setzero_ps() };
+	__m128 sum[4] = { _mm_setzero_ps(), _mm_setzero_ps(),
+			  _mm_setzero_ps(), _mm_setzero_ps() };
 	__m128 r0, r1, r;
 	uint32_t i;
 
@@ -93,8 +94,8 @@ static inline void inner_product_ip_ssse3(float *d, const float * SPA_RESTRICT s
 			sum[0] = _mm_add_ps(sum[0], _mm_mul_ps(r, _mm_load_ps(t0 + i + 0)));
 			sum[1] = _mm_add_ps(sum[1], _mm_mul_ps(r, _mm_load_ps(t1 + i + 0)));
 			r = _mm_load_ps(s + i + 4);
-			sum[0] = _mm_add_ps(sum[0], _mm_mul_ps(r, _mm_load_ps(t0 + i + 4)));
-			sum[1] = _mm_add_ps(sum[1], _mm_mul_ps(r, _mm_load_ps(t1 + i + 4)));
+			sum[2] = _mm_add_ps(sum[2], _mm_mul_ps(r, _mm_load_ps(t0 + i + 4)));
+			sum[3] = _mm_add_ps(sum[3], _mm_mul_ps(r, _mm_load_ps(t1 + i + 4)));
 		}
 		break;
 	case 4:
@@ -107,8 +108,8 @@ static inline void inner_product_ip_ssse3(float *d, const float * SPA_RESTRICT s
 			r0 = r1;
 			r1 = _mm_load_ps(s + i + 7);
 			r = (__m128)_mm_alignr_epi8((__m128i)r1, (__m128i)r0, 4);
-			sum[0] = _mm_add_ps(sum[0], _mm_mul_ps(r, _mm_load_ps(t0 + i + 4)));
-			sum[1] = _mm_add_ps(sum[1], _mm_mul_ps(r, _mm_load_ps(t1 + i + 4)));
+			sum[2] = _mm_add_ps(sum[2], _mm_mul_ps(r, _mm_load_ps(t0 + i + 4)));
+			sum[3] = _mm_add_ps(sum[3], _mm_mul_ps(r, _mm_load_ps(t1 + i + 4)));
 			r0 = r1;
 		}
 		break;
@@ -122,8 +123,8 @@ static inline void inner_product_ip_ssse3(float *d, const float * SPA_RESTRICT s
 			r0 = r1;
 			r1 = _mm_load_ps(s + i + 6);
 			r = (__m128)_mm_alignr_epi8((__m128i)r1, (__m128i)r0, 8);
-			sum[0] = _mm_add_ps(sum[0], _mm_mul_ps(r, _mm_load_ps(t0 + i + 4)));
-			sum[1] = _mm_add_ps(sum[1], _mm_mul_ps(r, _mm_load_ps(t1 + i + 4)));
+			sum[2] = _mm_add_ps(sum[2], _mm_mul_ps(r, _mm_load_ps(t0 + i + 4)));
+			sum[3] = _mm_add_ps(sum[3], _mm_mul_ps(r, _mm_load_ps(t1 + i + 4)));
 			r0 = r1;
 		}
 		break;
@@ -137,12 +138,14 @@ static inline void inner_product_ip_ssse3(float *d, const float * SPA_RESTRICT s
 			r0 = r1;
 			r1 = _mm_load_ps(s + i + 5);
 			r = (__m128)_mm_alignr_epi8((__m128i)r1, (__m128i)r0, 12);
-			sum[0] = _mm_add_ps(sum[0], _mm_mul_ps(r, _mm_load_ps(t0 + i + 4)));
-			sum[1] = _mm_add_ps(sum[1], _mm_mul_ps(r, _mm_load_ps(t1 + i + 4)));
+			sum[2] = _mm_add_ps(sum[2], _mm_mul_ps(r, _mm_load_ps(t0 + i + 4)));
+			sum[3] = _mm_add_ps(sum[3], _mm_mul_ps(r, _mm_load_ps(t1 + i + 4)));
 			r0 = r1;
 		}
 		break;
 	}
+	sum[0] = _mm_add_ps(sum[0], sum[2]);
+	sum[1] = _mm_add_ps(sum[1], sum[3]);
 	sum[1] = _mm_mul_ps(_mm_sub_ps(sum[1], sum[0]), _mm_load1_ps(&x));
 	sum[0] = _mm_add_ps(sum[0], sum[1]);
 	sum[0] = _mm_add_ps(sum[0], _mm_movehdup_ps(sum[0]));