diff --git a/getid3/getid3.php b/getid3/getid3.php
index a899727e..05dc7d4d 100644
--- a/getid3/getid3.php
+++ b/getid3/getid3.php
@@ -387,7 +387,7 @@ class getID3
 	 */
 	protected $startup_warning = '';
 
-	const VERSION           = '1.9.23-202409201447';
+	const VERSION           = '1.9.23-202411182049';
 	const FREAD_BUFFER_SIZE = 32768;
 
 	const ATTACHMENTS_NONE   = false;
@@ -1902,8 +1902,8 @@ public function ChannelsBitratePlaytimeCalculations() {
 
 		// Calculate combined bitrate - audio + video
 		$CombinedBitrate  = 0;
-		$CombinedBitrate += (isset($this->info['audio']['bitrate']) ? $this->info['audio']['bitrate'] : 0);
-		$CombinedBitrate += (isset($this->info['video']['bitrate']) ? $this->info['video']['bitrate'] : 0);
+		$CombinedBitrate += (isset($this->info['audio']['bitrate']) && ($this->info['audio']['bitrate'] != 'free') ? $this->info['audio']['bitrate'] : 0);
+		$CombinedBitrate += (isset($this->info['video']['bitrate'])                                                ? $this->info['video']['bitrate'] : 0);
 		if (($CombinedBitrate > 0) && empty($this->info['bitrate'])) {
 			$this->info['bitrate'] = $CombinedBitrate;
 		}
@@ -2010,7 +2010,9 @@ public function CalculateCompressionRatioAudio() {
 		if (empty($this->info['audio']['bitrate']) || empty($this->info['audio']['channels']) || empty($this->info['audio']['sample_rate']) || !is_numeric($this->info['audio']['sample_rate'])) {
 			return false;
 		}
-		$this->info['audio']['compression_ratio'] = $this->info['audio']['bitrate'] / ($this->info['audio']['channels'] * $this->info['audio']['sample_rate'] * (!empty($this->info['audio']['bits_per_sample']) ? $this->info['audio']['bits_per_sample'] : 16));
+		if ($this->info['audio']['bitrate'] != 'free') {
+			$this->info['audio']['compression_ratio'] = $this->info['audio']['bitrate'] / ($this->info['audio']['channels'] * $this->info['audio']['sample_rate'] * (!empty($this->info['audio']['bits_per_sample']) ? $this->info['audio']['bits_per_sample'] : 16));
+		}
 
 		if (!empty($this->info['audio']['streams'])) {
 			foreach ($this->info['audio']['streams'] as $streamnumber => $streamdata) {
diff --git a/getid3/module.audio.mp3.php b/getid3/module.audio.mp3.php
index 0d8fee3e..2b557338 100644
--- a/getid3/module.audio.mp3.php
+++ b/getid3/module.audio.mp3.php
@@ -305,7 +305,11 @@ public function GuessEncoderOptions() {
 		} elseif (!empty($info['audio']['bitrate'])) {
 
 			if ($info['audio']['bitrate_mode'] == 'cbr') {
-				$encoder_options = strtoupper($info['audio']['bitrate_mode']).round($info['audio']['bitrate'] / 1000);
+				if ($info['audio']['bitrate'] == 'free') {
+					$encoder_options = strtoupper($info['audio']['bitrate_mode']);
+				} else {
+					$encoder_options = strtoupper($info['audio']['bitrate_mode']).round($info['audio']['bitrate'] / 1000);
+				}
 			} else {
 				$encoder_options = strtoupper($info['audio']['bitrate_mode']);
 			}
@@ -315,7 +319,7 @@ public function GuessEncoderOptions() {
 			$encoder_options .= ' -b'.$thisfile_mpeg_audio_lame['bitrate_min'];
 		}
 
-		if (isset($thisfile_mpeg_audio['bitrate']) && $thisfile_mpeg_audio['bitrate'] === 'free') {
+		if (isset($thisfile_mpeg_audio['bitrate']) && ($thisfile_mpeg_audio['bitrate'] === 'free')) {
 			$encoder_options .= ' --freeformat';
 		}
 
@@ -919,7 +923,7 @@ public function decodeMPEGaudioHeader($offset, &$info, $recursivesearch=true, $S
 
 
 							// LAME CBR
-							if ($thisfile_mpeg_audio_lame_raw['vbr_method'] == 1 && $thisfile_mpeg_audio['bitrate'] !== 'free') {
+							if (($thisfile_mpeg_audio_lame_raw['vbr_method'] == 1) && ($thisfile_mpeg_audio['bitrate'] !== 'free')) {
 
 								$thisfile_mpeg_audio['bitrate_mode'] = 'cbr';
 								$thisfile_mpeg_audio['bitrate'] = self::ClosestStandardMP3Bitrate($thisfile_mpeg_audio['bitrate']);
@@ -1761,14 +1765,15 @@ public static function MPEGaudioBitrateArray() {
 		static $MPEGaudioBitrate;
 		if (empty($MPEGaudioBitrate)) {
 			$MPEGaudioBitrate = array (
-				'1'  =>  array (1 => array('free', 32000, 64000, 96000, 128000, 160000, 192000, 224000, 256000, 288000, 320000, 352000, 384000, 416000, 448000),
-								2 => array('free', 32000, 48000, 56000,  64000,  80000,  96000, 112000, 128000, 160000, 192000, 224000, 256000, 320000, 384000),
-								3 => array('free', 32000, 40000, 48000,  56000,  64000,  80000,  96000, 112000, 128000, 160000, 192000, 224000, 256000, 320000)
-							   ),
-
-				'2'  =>  array (1 => array('free', 32000, 48000, 56000,  64000,  80000,  96000, 112000, 128000, 144000, 160000, 176000, 192000, 224000, 256000),
-								2 => array('free',  8000, 16000, 24000,  32000,  40000,  48000,  56000,  64000,  80000,  96000, 112000, 128000, 144000, 160000),
-							   )
+				'1' => array(
+					1 => array('free', 32000, 64000, 96000, 128000, 160000, 192000, 224000, 256000, 288000, 320000, 352000, 384000, 416000, 448000),
+					2 => array('free', 32000, 48000, 56000,  64000,  80000,  96000, 112000, 128000, 160000, 192000, 224000, 256000, 320000, 384000),
+					3 => array('free', 32000, 40000, 48000,  56000,  64000,  80000,  96000, 112000, 128000, 160000, 192000, 224000, 256000, 320000)
+				),
+				'2' => array(
+					1 => array('free', 32000, 48000, 56000,  64000,  80000,  96000, 112000, 128000, 144000, 160000, 176000, 192000, 224000, 256000),
+					2 => array('free',  8000, 16000, 24000,  32000,  40000,  48000,  56000,  64000,  80000,  96000, 112000, 128000, 144000, 160000),
+				),
 			);
 			$MPEGaudioBitrate['2'][3] = $MPEGaudioBitrate['2'][2];
 			$MPEGaudioBitrate['2.5']  = $MPEGaudioBitrate['2'];