diff --git a/EdgeImpulse.EI-SDK.pdsc b/EdgeImpulse.EI-SDK.pdsc
index 8345233..cbe65bc 100644
--- a/EdgeImpulse.EI-SDK.pdsc
+++ b/EdgeImpulse.EI-SDK.pdsc
@@ -5,13 +5,16 @@
 	<name>EI-SDK</name>
 	<license>LICENSE-apache-2.0.txt</license>
 	<description>Edge Impulse SDK</description>
-	<url>https://github.com/edgeimpulse/edge-impulse-sdk-pack/releases/download/v1.46.4/</url>
+	<url>https://github.com/edgeimpulse/edge-impulse-sdk-pack/releases/download/v1.46.6/</url>
 	<supportContact>hello@edgeimpulse.com</supportContact>
 	<repository type="git">https://github.com/edgeimpulse/edge-impulse-sdk-pack.git</repository>
 	<releases>
-		<release version="1.46.4" tag="v1.46.4" date="2024-03-05" url="https://github.com/edgeimpulse/edge-impulse-sdk-pack/releases/download/v1.46.4/EdgeImpulse.EI-SDK.1.46.4.pack">
+		<release version="1.46.6" tag="v1.46.6" date="2024-03-06" url="https://github.com/edgeimpulse/edge-impulse-sdk-pack/releases/download/v1.46.6/EdgeImpulse.EI-SDK.1.46.6.pack">
       		EI-SDK
     	</release>	
+		<release version="1.46.4" tag="v1.46.4" date="2024-03-05" url="https://github.com/edgeimpulse/edge-impulse-sdk-pack/releases/download/v1.46.4/EdgeImpulse.EI-SDK.1.46.4.pack">
+      		EI-SDK
+    	</release>
 		<release version="1.46.1" tag="v1.46.1" date="2024-02-27" url="https://github.com/edgeimpulse/edge-impulse-sdk-pack/releases/download/v1.46.1/EdgeImpulse.EI-SDK.1.46.1.pack">
       		EI-SDK
     	</release>
@@ -74,7 +77,7 @@
     </packages>
     </requirements>
 	<components>
-		<component Cclass="EdgeImpulse" Cgroup="SDK" Cversion="1.46.4">
+		<component Cclass="EdgeImpulse" Cgroup="SDK" Cversion="1.46.6">
 			<description>Edge Impulse SDK</description>	
 				<!-- short component description -->
 				<files>
diff --git a/EdgeImpulse.pidx b/EdgeImpulse.pidx
index df68962..455dbc3 100644
--- a/EdgeImpulse.pidx
+++ b/EdgeImpulse.pidx
@@ -2,8 +2,8 @@
 <index schemaVersion="1.0.0" xs:noNamespaceSchemaLocation="PackIndex.xsd" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance">
   <vendor>EdgeImpulse</vendor>
   <url>https://raw.githubusercontent.com/edgeimpulse/edge-impulse-sdk-pack/main/</url>
-  <timestamp>2024-03-05 14:53:30</timestamp>
+  <timestamp>2024-03-06 17:40:41</timestamp>
   <pindex>
-    <pdsc url="https://github.com/edgeimpulse/edge-impulse-sdk-pack/releases/download/v1.46.4/" vendor="EdgeImpulse" name="EI-SDK" version="1.46.4"/>
+    <pdsc url="https://github.com/edgeimpulse/edge-impulse-sdk-pack/releases/download/v1.46.6/" vendor="EdgeImpulse" name="EI-SDK" version="1.46.6"/>
   </pindex>
 </index>
diff --git a/edgeimpulse/edge-impulse-sdk/dsp/numpy.hpp b/edgeimpulse/edge-impulse-sdk/dsp/numpy.hpp
index 47fcdf5..7870ff7 100644
--- a/edgeimpulse/edge-impulse-sdk/dsp/numpy.hpp
+++ b/edgeimpulse/edge-impulse-sdk/dsp/numpy.hpp
@@ -1439,7 +1439,7 @@ class numpy {
     }
 
     /**
-     * Convert an int16_t buffer into a float buffer, maps to -1..1
+     * Convert an int16_t buffer into a float buffer
      * @param input
      * @param output
      * @param length
@@ -1452,6 +1452,20 @@ class numpy {
         return EIDSP_OK;
     }
 
+    /**
+     * Convert an int8_t buffer into a float buffer
+     * @param input
+     * @param output
+     * @param length
+     * @returns 0 if OK
+     */
+    static int int8_to_float(const EIDSP_i8 *input, float *output, size_t length) {
+        for (size_t ix = 0; ix < length; ix++) {
+            output[ix] = static_cast<float>((input[ix]));
+        }
+        return EIDSP_OK;
+    }
+
 #if EIDSP_SIGNAL_C_FN_POINTER == 0
     /**
      * Create a signal structure from a buffer.