From 5f6b7f9166119bf1dd01be2ec7afe26c61e03a25 Mon Sep 17 00:00:00 2001 From: Chris Robinson Date: Sat, 13 Aug 2022 22:51:47 -0700 Subject: Update the default HRTF The sample rate is now 48khz to match the library's default sample rate, and increased the FIR length to 64 points from 32. --- docs/hrtf.txt | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'docs') diff --git a/docs/hrtf.txt b/docs/hrtf.txt index 7a1a500f..0ea27caa 100644 --- a/docs/hrtf.txt +++ b/docs/hrtf.txt @@ -73,9 +73,7 @@ calculation (ie. left = angle, right = 360-angle). The actual coefficients follow. Each coefficient is a signed 24-bit sample. Stereo HRTFs interleave left/right ear coefficients. The HRIRs must be minimum-phase. This allows the use of a smaller filter length, reducing -computation. For reference, the default data set uses a 32-point filter while -even the smallest data set provided by MIT used a 128-sample filter (a 4x -reduction by applying minimum-phase reconstruction). +computation. After the coefficients is an array of unsigned 8-bit delay values as 6.2 fixed- point integers, one for each HRIR (with stereo HRTFs interleaving left/right -- cgit v1.2.3