Stream music and podcasts FREE on Amazon Music. No credit card required.Listen free 41![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Low-frequency sine wave sweep with harmonic
42![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Subwoofer level (with meter)
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51![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Surround-Sound channel identification
52![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Surround-Sound speaker balance
53![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Surround-Sound speaker balance with subwoofer
54![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Surround-Sound center speaker phase
55![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Surround half-left and half-right imaging
56![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Ambience / Reverberation clicks
57![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Continuous wideband Surround-Sound frontal pan
58![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Stepped wideband Surround-Sound frontal pan
59![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Continuous narrowband Surround-Sound frontal pan
60![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Stepped narrowband Surround-Sound frontal pan
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64![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Center-channel pink noise
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66![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Surround-channel pink noise
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68![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Center-channel level-match tone
69![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Right-channel level-match tone
70![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Surround-channel level-match tone
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