Download and install the free Audacity audio editor for your operating system
Download and install the FFMPEG plugin, a library to import and export various media formats such as M4A, WMA and MP4.
Adjust the interface Meter dB range settings to -36 dB
Blue Yeti settings that work well for me are:
Noise Reduction (dB) 12 – Sensitivity 12.50 – Freq. smooting 7
Compressor Threshold -18 dB – Noise Floor -40 dB – Ratio 2.5:1 – Attack 1.80 secs – Release 11.1 secs
Normalise Remove DC – Normalize peak amplitude to -1.0
Blue Yeti Audio recording steps that do the job for me:
- import the sound track(s) first, then record the voice track (below)
- monitor the playback level and reduce the Gain level (e.g. -3.0dB) if appropriate
- select mono microphone recording
- remove the background noise with the Noise Reduction effect plug-in
- compress the voice recording with the Compressor effect plug-in
- apply Filter Curve EQ user setting (see file below ‘BlueYetiFC’ )
- use the Auto Duck effect plug-in to reduce background track level (e.g. -20)
ShurePlus MOTIV settings:
MIC Gain 36B
EQ Presence Boost
Limiter enables
Compressor Medium
Audacity settings
Noise Reduction (dB) 12 – Sensitivity 12.50 – Freq. smooting 7
Compressor Threshold -18 dB – Noise Floor -40 dB – Ratio 2.5:1 – Attack 1.80 secs – Release 11.1 secs
Normalise Remove DC – Normalize peak amplitude to -1.0
Sample Rate 44100 Hz
Sample Format 32-bit float
Shure MV7 Audio recording steps that do the job for me (see macro file below):
- import the sound track(s) first, then record the voice track (below)
- monitor the playback level and reduce the Gain level (e.g. -3.0dB) if appropriate
- select mono microphone recording
- apply the Normalise effect plug-in (see settings below)
- compress the voice recording with the Compressor effect plug-in (see settings below)
- apply Filter Curve EQ factory setting Treble Boost
- apply Filter Curve EQ factory setting Bass Boost
- apply Filter Curve EQ factory setting Low rolloff for speech
- apply the Normalise effect plug-in (see settings below)
- remove the background noise with the Noise Reduction effect plug-in
- use the Auto Duck effect plug-in to reduce background track level (e.g. -20)
Audacity Forum and on-line Tutorials (below)