From 7e50a43b4be47d34ba4b4a40f6461a7a96f1f7c8 Mon Sep 17 00:00:00 2001 From: "Earle F. Philhower, III" Date: Tue, 8 Oct 2024 18:13:22 -0700 Subject: [PATCH] Update README.md --- README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index a4e9c1b3..4aad8153 100644 --- a/README.md +++ b/README.md @@ -214,8 +214,8 @@ As of the latest ESP8266Audio release, with the software delta-sigma DAC the LRC ### Hardware PDM on ESP32 -Hardware PDM outputs 128 * 48Khz pulses regardles of samplerate. -It seems that currently hardware PDM either does not output constant One at maximum sample level, or does not output 3.3V voltage at pulse ( unfortunatelly I not have oscilloscope to test currently) - sound is not as loud as desired. You may consider using software delta-sigma DAC instead. +Hardware PDM outputs 128 * 48Khz pulses regardless of sample rate. +It seems that currently hardware PDM either does not output constant One at maximum sample level, or does not output 3.3V voltage at pulse sound is not as loud as desired. You may consider using software delta-sigma DAC instead. ### High pitched buzzing with the 1-T circuit The 1-T amp can _NOT_ drive any sort of amplified speaker. If there is a power or USB input to the speaker, or it has lights or Bluetooth or a battery, it can _NOT_ be used with this circuit.