presentations/audiocodecs/slides/17-lbr.md

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### Low Bitrate Comparison
Original:
<div style="font-size: 0.3em">
<audio controls src="media/samples/voice.flac">FLAC Voice Sample</audio>
LibriVox recording of "The Art of War" by Sun Tzu
<span style="padding-right: 5em"></span>
Read by Moira Fogarty
</div>
---------
<div style="font-size: 0.5em; text-align: center; display: grid; grid-template-columns: 1fr 1fr 1fr;">
<div>
##### Codec2
2400 bit/s:
<audio controls src="media/samples/voicec2.flac">C2 2400 bit/s Voice Sample</audio>
----------
1600 bit/s:
<audio controls src="media/samples/voicec2lb.flac">C2 1600 bit/s Voice Sample</audio>
</div>
<div>
##### Speex
16000 bit/s:
<audio controls src="media/samples/voice.spx">Speex 16kbit/s 8kHz Voice Sample</audio>
----------
8000 bit/s:
<audio controls src="media/samples/voicelb.spx">Speex 8kbit/s 8kHz Voice Sample</audio>
</div>
<div>
##### Opus
32000 bit/s:
<audio controls src="media/samples/voicemb.opus">Opus 32kbit/s Voice Sample</audio>
----------
16000 bit/s:
<audio controls src="media/samples/voicelb.opus">Opus 16kbit/s Voice Sample</audio>
----------
8000 bit/s:
<audio controls src="media/samples/voiceulb.opus">Opus 8kbit/s Voice Sample</audio>
</div>
</div>
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