diff --git a/mythtv/libs/libmyth/audio/audioconvert.cpp b/mythtv/libs/libmyth/audio/audioconvert.cpp
index d438a653b5a..edb10d0bbec 100644
--- a/mythtv/libs/libmyth/audio/audioconvert.cpp
+++ b/mythtv/libs/libmyth/audio/audioconvert.cpp
@@ -575,7 +575,6 @@ class AudioConvertInternal
     AudioConvertInternal(AVSampleFormat in, AVSampleFormat out) :
     m_in(in), m_out(out)
     {
-        char error[AV_ERROR_MAX_STRING_SIZE];
         m_swr = swr_alloc_set_opts(NULL,
                                    av_get_default_channel_layout(1),
                                    m_out,
@@ -593,6 +592,7 @@ class AudioConvertInternal
         int ret = swr_init(m_swr);
         if (ret < 0)
         {
+            char error[AV_ERROR_MAX_STRING_SIZE];
             LOG(VB_AUDIO, LOG_ERR, LOC +
                 QString("error initializing resampler context (%1)")
                 .arg(av_make_error_string(error, sizeof(error), ret)));
diff --git a/mythtv/libs/libmyth/audio/audiooutput.cpp b/mythtv/libs/libmyth/audio/audiooutput.cpp
index 2ff02238275..e7ed98310f6 100644
--- a/mythtv/libs/libmyth/audio/audiooutput.cpp
+++ b/mythtv/libs/libmyth/audio/audiooutput.cpp
@@ -378,6 +378,7 @@ AudioOutput::AudioDeviceConfig* AudioOutput::GetAudioDeviceConfig(
                 (aosettings.canLPCM() << 0) |
                 (aosettings.canAC3()  << 1) |
                 (aosettings.canDTS()  << 2);
+            // cppcheck-suppress variableScope
             static const char *type_names[] = { "LPCM", "AC3", "DTS" };
 
             if (mask != 0)
diff --git a/mythtv/libs/libmyth/audio/audiooutputalsa.cpp b/mythtv/libs/libmyth/audio/audiooutputalsa.cpp
index 9ce68f112f8..eecc750aa24 100644
--- a/mythtv/libs/libmyth/audio/audiooutputalsa.cpp
+++ b/mythtv/libs/libmyth/audio/audiooutputalsa.cpp
@@ -254,8 +254,6 @@ QByteArray *AudioOutputALSA::GetELD(int card, int device, int subdevice)
     snd_ctl_elem_value_t *control; snd_ctl_elem_value_alloca(&control);
     snd_ctl_elem_type_t type;
 
-    unsigned int count;
-
     int err;
 
     snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_PCM);
@@ -290,7 +288,7 @@ QByteArray *AudioOutputALSA::GetELD(int card, int device, int subdevice)
             snd_hctl_close(hctl);
             return NULL;
         }
-        count = snd_ctl_elem_info_get_count(info);
+        unsigned int count = snd_ctl_elem_info_get_count(info);
         type = snd_ctl_elem_info_get_type(info);
         if (!snd_ctl_elem_info_is_readable(info))
         {
@@ -550,7 +548,7 @@ void AudioOutputALSA::WriteAudio(uchar *aubuf, int size)
 {
     uchar *tmpbuf = aubuf;
     uint frames = size / output_bytes_per_frame;
-    int err, lw = 0;
+    int err;
 
     if (pcm_handle == NULL)
     {
@@ -570,7 +568,7 @@ void AudioOutputALSA::WriteAudio(uchar *aubuf, int size)
 
     while (frames > 0)
     {
-        lw = snd_pcm_writei(pcm_handle, tmpbuf, frames);
+        int lw = snd_pcm_writei(pcm_handle, tmpbuf, frames);
 
         if (lw >= 0)
         {
@@ -993,7 +991,6 @@ QMap<QString, QString> *AudioOutputALSA::GetDevices(const char *type)
 {
     QMap<QString, QString> *alsadevs = new QMap<QString, QString>();
     void **hints, **n;
-    char *name, *desc;
 
     if (snd_device_name_hint(-1, type, &hints) < 0)
         return alsadevs;
@@ -1001,8 +998,8 @@ QMap<QString, QString> *AudioOutputALSA::GetDevices(const char *type)
 
     while (*n != NULL)
     {
-          name = snd_device_name_get_hint(*n, "NAME");
-          desc = snd_device_name_get_hint(*n, "DESC");
+          char *name = snd_device_name_get_hint(*n, "NAME");
+          char *desc = snd_device_name_get_hint(*n, "DESC");
           if (name && desc && strcmp(name, "null"))
               alsadevs->insert(name, desc);
           if (name)
diff --git a/mythtv/libs/libmyth/audio/audiooutputbase.cpp b/mythtv/libs/libmyth/audio/audiooutputbase.cpp
index d5e05e4fe67..f2f132a6665 100644
--- a/mythtv/libs/libmyth/audio/audiooutputbase.cpp
+++ b/mythtv/libs/libmyth/audio/audiooutputbase.cpp
@@ -1305,17 +1305,16 @@ int AudioOutputBase::CopyWithUpmix(char *buffer, int frames, uint &org_waud)
 
     int i = 0;
     len = 0;
-    int nFrames, bdFrames;
     while (i < frames)
     {
         i += upmixer->putFrames(buffer + i * off, frames - i, source_channels);
-        nFrames = upmixer->numFrames();
+        int nFrames = upmixer->numFrames();
         if (!nFrames)
             continue;
 
         len += CheckFreeSpace(nFrames);
 
-        bdFrames = (kAudioRingBufferSize - org_waud) / bpf;
+        int bdFrames = (kAudioRingBufferSize - org_waud) / bpf;
         if (bdFrames < nFrames)
         {
             if ((org_waud % bpf) != 0)
diff --git a/mythtv/libs/libmyth/audio/audiooutputca.cpp b/mythtv/libs/libmyth/audio/audiooutputca.cpp
index 93068e0b508..b0899c8f5a7 100644
--- a/mythtv/libs/libmyth/audio/audiooutputca.cpp
+++ b/mythtv/libs/libmyth/audio/audiooutputca.cpp
@@ -195,7 +195,6 @@ AudioOutputSettings* AudioOutputCA::GetOutputSettings(bool digital)
     AudioOutputSettings *settings = new AudioOutputSettings();
 
     // Seek hardware sample rate available
-    int rate;
     int *rates = d->RatesList(d->mDeviceID);
 
     if (rates == NULL)
@@ -205,7 +204,7 @@ AudioOutputSettings* AudioOutputCA::GetOutputSettings(bool digital)
     }
     else
     {
-        while ((rate = settings->GetNextRate()))
+        while ((int rate = settings->GetNextRate()))
         {
                         int *p_rates = rates;
                         while (*p_rates > 0)