diff --git a/src/ipa/libipa/fixedpoint.cpp b/src/ipa/libipa/fixedpoint.cpp
index 967b00bcd7c2..a6f8ef351c32 100644
--- a/src/ipa/libipa/fixedpoint.cpp
+++ b/src/ipa/libipa/fixedpoint.cpp
@@ -148,6 +148,15 @@ namespace ipa {
  * values in the range [-16.0, 15.9375] with a resolution of 1/16.
  */
 
+/**
+ * \typedef UQ5_8
+ * \brief 5.8 unsigned fixed-point quantizer
+ *
+ * A Quantized type using 5 bits for the integer part and 8 bits for the
+ * fractional part, stored in an unsigned 16-bit integer (\c uint16_t). Represents
+ * values in the range [0.0, 31.9961] with a resolution of 1/256.
+ */
+
 /**
  * \typedef Q12_4
  * \brief 12.4 signed fixed-point quantizer
diff --git a/src/ipa/libipa/fixedpoint.h b/src/ipa/libipa/fixedpoint.h
index ce621cb01a5a..8f095210a918 100644
--- a/src/ipa/libipa/fixedpoint.h
+++ b/src/ipa/libipa/fixedpoint.h
@@ -106,6 +106,7 @@ using Q1_7 = Quantized<FixedPointQTraits<1, 7, int8_t>>;
 using UQ1_7 = Quantized<FixedPointQTraits<1, 7, uint8_t>>;
 
 using Q5_4 = Quantized<FixedPointQTraits<5, 4, int16_t>>;
+using UQ5_8 = Quantized<FixedPointQTraits<5, 8, uint16_t>>;
 
 using Q12_4 = Quantized<FixedPointQTraits<12, 4, int16_t>>;
 using UQ12_4 = Quantized<FixedPointQTraits<12, 4, uint16_t>>;
diff --git a/test/ipa/libipa/fixedpoint.cpp b/test/ipa/libipa/fixedpoint.cpp
index 1d018c0128df..c830b5f05a19 100644
--- a/test/ipa/libipa/fixedpoint.cpp
+++ b/test/ipa/libipa/fixedpoint.cpp
@@ -195,6 +195,11 @@ protected:
 		fails += quantizedCheck<Q5_4>(-16.00f, 0b10000'0000, -16.00f);
 		fails += quantizedCheck<Q5_4>( 15.94f, 0b01111'1111,  15.9375f);
 
+		/* UQ5_8(0 .. 31.9961)  Min: [0x0000:0] -- Max: [0x1fff:31.9961] Step:0.00390625 */
+		introduce<UQ5_8>("UQ5_8");
+		fails += quantizedCheck<UQ5_8>( 0.00f, 0b00000'00000000,  0.00f);
+		fails += quantizedCheck<UQ5_8>(32.00f, 0b11111'11111111, 31.9961f);
+
 		/* Q12.4(-2048 .. 2047.94)  Min: [0x8000:-2048] -- Max: [0x7fff:2047.94] Step:0.0625 */
 		introduce<Q12_4>("Q12_4");
 		fails += quantizedCheck<Q12_4>(0.0f, 0b000000000000'0000, 0.0f);