Mercurial > hg > nnls-chroma
diff README @ 59:1ccb883b585f matthiasm-plugin
more README and n3 updates; changed rollon parameter to percentage
author | matthiasm |
---|---|
date | Mon, 25 Oct 2010 23:47:06 +0900 |
parents | 01bc078f5f61 |
children | 12fd1d3ccd6e 611a3cfab5fc |
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--- a/README Mon Oct 25 22:57:47 2010 +0900 +++ b/README Mon Oct 25 23:47:06 2010 +0900 @@ -16,7 +16,7 @@ The default settings (in brackets, below) are those used for Matthias Mauch's 2010 MIREX submissions. * use approximate transcription (NNLS) (on or off; default: on): toggle between NNLS approximate transcription and linear spectral mapping. -* spectral roll on (0.00 -- 0.05; default: 0.0): consider the cumulative energy spectrum (from low to high frequencies). All bins below the first bin whose cumulative energy exceeds the quantile [spectral roll on] x [total energy] will be set to 0. A value of 0 means that no bins will be changed. +* spectral roll on spectral roll on (0 % -- 5 %; default: 0 %): consider the cumulative energy spectrum (from low to high frequencies). All bins below the first bin whose cumulative energy exceeds the quantile [spectral roll on] x [total energy] will be set to 0. A value of 0 means that no bins will be changed. * tuning mode (global or local; default: global): local uses a local average for tuning, global uses all audio frames. Local tuning is only advisable when the tuning is likely to change over the audio, for example in podcasts, or in a cappella singing. * spectral whitening (0.0 -- 1.0; default: 1.0): determines how much the log-frequency spectrum is whitened. A value of 0.0 means no whitening. For values other than 0.0 the log-freq spectral bins are divided by [standard deviation of their neighbours]^[spectral whitening], where "^" means "to the power of". * spectral shape (0.5 -- 0.9; default: 0.7): the shape of the notes in the NNLS dictionary. Their harmonic amplitude follows a geometrically decreasing pattern, in which the i-th harmonic has an amplitude of [spectral shape]^[i-1], where "^" means "to the power of". @@ -46,7 +46,7 @@ * use approximate transcription (NNLS) (on or off; default: on): toggle between NNLS approximate transcription and linear spectral mapping. * HMM (Viterbi decoding) (on or off; default: on): uses HMM/Viterbi smoothing. Otherwise: heuristic chord change smoothing. -* * spectral roll on (0.00 -- 0.05; default: 0.0): consider the cumulative energy spectrum (from low to high frequencies). All bins below the first bin whose cumulative energy exceeds the quantile [spectral roll on] x [total energy] will be set to 0. A value of 0 means that no bins will be changed. +* spectral roll on (0 % -- 5 %; default: 0 %): consider the cumulative energy spectrum (from low to high frequencies). All bins below the first bin whose cumulative energy exceeds the quantile [spectral roll on] x [total energy] will be set to 0. A value of 0 means that no bins will be changed. * tuning mode (global or local; default: global): local uses a local average for tuning. Local tuning is only advisable when the tuning is likely to change over the audio, for example in podcasts, or in a cappella singing. * spectral whitening (0.0 -- 1.0; default: 1.0): determines how much the log-frequency spectrum is whitened. A value of 0.0 means no whitening. For values other than 0.0 the log-freq spectral bins are divided by [standard deviation of their neighbours]^[spectral whitening], where "^" means "to the power of". * spectral shape (0.5 -- 0.9; default: 0.7): the shape of the notes in the NNLS dictionary. Their harmonic amplitude follows a geometrically decreasing pattern, in which the i-th harmonic has an amplitude of [spectral shape]^[i-1], where "^" means "to the power of". @@ -68,7 +68,7 @@ ### Parameter ### -* spectral roll on (0.00 -- 0.05; default: 0.0): consider the cumulative energy spectrum (from low to high frequencies). All bins below the first bin whose cumulative energy exceeds the quantile [spectral roll on] x [total energy] will be set to 0. A value of 0 means that no bins will be changed. +* spectral roll on spectral roll on (0 % -- 5 %; default: 0 %): consider the cumulative energy spectrum (from low to high frequencies). All bins below the first bin whose cumulative energy exceeds the quantile [spectral roll on] x [total energy] will be set to 0. A value of 0 means that no bins will be changed. ### Outputs ###