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  "Date": "2024-04-16",
  "Title": "Analysis of Music and Speech",
  "Authors@R": "c(person(\"Uwe\", \"Ligges\", email=\"ligges@statistik.tu-dortmund.de\", role = c(\"aut\", \"cre\", \"cph\"), comment = c(ORCID = \"0000-0001-5875-6167\")),\nperson(\"Sebastian\", \"Krey\", role = c(\"aut\", \"cph\")),\nperson(\"Olaf\", \"Mersmann\", role = c(\"aut\", \"cph\")),\nperson(\"Sarah\", \"Schnackenberg\", role = c(\"aut\", \"cph\")),\nperson(\"Guillaume\", \"Guénard\", role = c(\"aut\", \"cph\"), comment = \"for the 'pulse' functionality\"),\nperson(\"Daniel P. W.\", \"Ellis\", role = c(\"aut\", \"cph\"), comment = \"functions ported from 'rastamat'\"),\nperson(\"\", \"Underbit Technologies\", role = c(\"aut\", \"cph\"), comment = \"for the included 'libmad MPEG audio decoder library'\"),\nperson(\"Andrea\", \"Preusser\", role = c(\"ctb\")),\nperson(\"Anita\", \"Thieler\", role = c(\"ctb\")),\nperson(\"Johanna\", \"Mielke\", role = c(\"ctb\")),\nperson(\"Claus\", \"Weihs\", role = c(\"ctb\")),\nperson(\"Brian D.\", \"Ripley\", role = c(\"ctb\")),\nperson(\"Matthias\", \"Heymann\", role = c(\"ctb\"), comment = \"for ideas from the former 'sound' package\"))",
  "Encoding": "UTF-8",
  "Description": "Analyze music and speech, extract features like MFCCs,\nhandle wave files and their representation in various ways,\nread mp3, read midi, perform steps of a transcription, ... Also\ncontains functions ported from the 'rastamat' 'Matlab' package.",
  "License": "GPL-2 | GPL-3",
  "URL": "https://tuner.R-forge.R-project.org",
  "Repository": "https://r-forge.r-universe.dev",
  "Date/Publication": "2024-04-17 12:14:42 UTC",
  "RemoteUrl": "https://github.com/r-forge/tuner",
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    "Date": "2026-06-23 17:49:16 UTC",
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  "Author": "Uwe Ligges [aut, cre, cph] (ORCID:\n<https://orcid.org/0000-0001-5875-6167>),\nSebastian Krey [aut, cph],\nOlaf Mersmann [aut, cph],\nSarah Schnackenberg [aut, cph],\nGuillaume Guénard [aut, cph] (for the 'pulse' functionality),\nDaniel P. W. Ellis [aut, cph] (functions ported from 'rastamat'),\nUnderbit Technologies [aut, cph] (for the included 'libmad MPEG audio\ndecoder library'),\nAndrea Preusser [ctb],\nAnita Thieler [ctb],\nJohanna Mielke [ctb],\nClaus Weihs [ctb],\nBrian D. Ripley [ctb],\nMatthias Heymann [ctb] (for ideas from the former 'sound' package)",
  "Maintainer": "Uwe Ligges <ligges@statistik.tu-dortmund.de>",
  "_user": "r-forge",
  "_type": "src",
  "_file": "tuneR_1.4.7.tar.gz",
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  "_created": "2026-06-23T17:49:16.000Z",
  "_published": "2026-07-04T21:30:28.231Z",
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  "_exports": [
    "Arith",
    "audspec",
    "bark2hz",
    "bind",
    "channel",
    "coerce",
    "deltas",
    "dolpc",
    "downsample",
    "extractWave",
    "FF",
    "FFpure",
    "getMidiNotes",
    "getWavPlayer",
    "hz2bark",
    "hz2mel",
    "image",
    "lifter",
    "lilyinput",
    "lpc2cep",
    "MCnames",
    "mel2hz",
    "melfcc",
    "melodyplot",
    "mono",
    "nchannel",
    "noise",
    "normalize",
    "noSilence",
    "noteFromFF",
    "notenames",
    "panorama",
    "periodogram",
    "play",
    "plot",
    "postaud",
    "powspec",
    "prepComb",
    "pulse",
    "quantize",
    "quantMerge",
    "quantplot",
    "readMidi",
    "readMP3",
    "readWave",
    "sawtooth",
    "setWavPlayer",
    "show",
    "silence",
    "sine",
    "smoother",
    "spec2cep",
    "square",
    "stereo",
    "summary",
    "updateWave",
    "Wave",
    "WaveMC",
    "writeWave"
  ],
  "_help": [
    {
      "page": "Extractor",
      "title": "Extract or Replace Parts of an Object",
      "topics": [
        "[,ANY-method"
      ]
    },
    {
      "page": "WaveArith",
      "title": "Arithmetics on Waves",
      "topics": [
        "Arith,numeric,Wave-method",
        "Arith,numeric,WaveMC-method",
        "Arith,Wave,missing-method",
        "Arith,Wave,numeric-method",
        "Arith,Wave,Wave-method",
        "Arith,WaveMC,numeric-method",
        "Arith,WaveMC,WaveMC-method"
      ]
    },
    {
      "page": "audspec",
      "title": "Frequency band conversion",
      "concept": [
        "frequency",
        "conversion",
        "bark",
        "mel"
      ],
      "topics": [
        "audspec"
      ]
    },
    {
      "page": "bind",
      "title": "Concatenating Wave objects",
      "concept": [
        "Wave"
      ],
      "topics": [
        "bind",
        "bind,Wave-method",
        "bind,WaveMC-method"
      ]
    },
    {
      "page": "channel",
      "title": "Channel conversion for Wave objects",
      "concept": [
        "Wave",
        "channel"
      ],
      "topics": [
        "channel"
      ]
    },
    {
      "page": "deltas",
      "title": "Calculate delta features",
      "concept": [
        "deltas"
      ],
      "topics": [
        "deltas"
      ]
    },
    {
      "page": "dolpc",
      "title": "(Perceptive) Linear Prediction",
      "concept": [
        "lpc",
        "plp",
        "levinson",
        "durbin",
        "recursion"
      ],
      "topics": [
        "dolpc"
      ]
    },
    {
      "page": "downsample",
      "title": "Downsampling a Wave or WaveMC object",
      "concept": [
        "Wave",
        "WaveMC",
        "sampling",
        "sampling rate",
        "CD quality"
      ],
      "topics": [
        "downsample"
      ]
    },
    {
      "page": "equalWave",
      "title": "Checking Wave objects",
      "concept": [
        "Wave"
      ],
      "topics": [
        "equalWave"
      ]
    },
    {
      "page": "extractWave",
      "title": "Extractor for Wave and WaveMC objects",
      "concept": [
        "Wave"
      ],
      "topics": [
        "extractWave"
      ]
    },
    {
      "page": "FF",
      "title": "Estimation of Fundamental Frequencies from a Wspec object",
      "concept": [
        "pitch",
        "fundamental",
        "frequency",
        "tracking",
        "f0",
        "periodogram",
        "Wave"
      ],
      "topics": [
        "FF",
        "FFpure"
      ]
    },
    {
      "page": "freqconv",
      "title": "Frequency scale conversion",
      "concept": [
        "mel",
        "bark",
        "hertz",
        "frequency",
        "conversion"
      ],
      "topics": [
        "bark2hz",
        "hz2bark",
        "hz2mel",
        "mel2hz"
      ]
    },
    {
      "page": "getMidiNotes",
      "title": "Extract note events from objects returned by readMidi",
      "topics": [
        "getMidiNotes"
      ]
    },
    {
      "page": "length",
      "title": "S4 generic for length",
      "topics": [
        "length,ANY-method",
        "length,Wave-method",
        "length,WaveMC-method"
      ]
    },
    {
      "page": "lifter",
      "title": "Liftering of cepstra",
      "concept": [
        "liftering"
      ],
      "topics": [
        "lifter"
      ]
    },
    {
      "page": "lilyinput",
      "title": "Providing LilyPond compatible input",
      "concept": [
        "LilyPond",
        "transcription",
        "transcribe",
        "note"
      ],
      "topics": [
        "lilyinput"
      ]
    },
    {
      "page": "lpc2cep",
      "title": "LPC to cepstra conversion",
      "concept": [
        "lpc",
        "cepstra",
        "conversion"
      ],
      "topics": [
        "lpc2cep"
      ]
    },
    {
      "page": "MCnames",
      "title": "Default channel ordering for multi channel wave files",
      "topics": [
        "MCnames"
      ]
    },
    {
      "page": "melfcc",
      "title": "MFCC Calculation",
      "concept": [
        "mfcc",
        "lpc",
        "plp",
        "mel",
        "cepstrum"
      ],
      "topics": [
        "melfcc"
      ]
    },
    {
      "page": "melodyplot",
      "title": "Plotting a melody",
      "concept": [
        "melody",
        "note",
        "transcription",
        "tracking",
        "pitch"
      ],
      "topics": [
        "melodyplot"
      ]
    },
    {
      "page": "MonoStereo",
      "title": "Converting (extracting, joining) stereo to mono and vice versa",
      "concept": [
        "Wave",
        "mono",
        "stereo",
        "channel"
      ],
      "topics": [
        "mono",
        "stereo"
      ]
    },
    {
      "page": "nchannel",
      "title": "Number of channels",
      "topics": [
        "nchannel",
        "nchannel,Wave-method",
        "nchannel,WaveMC-method"
      ]
    },
    {
      "page": "normalize",
      "title": "Rescale the range of values",
      "concept": [
        "Wave"
      ],
      "topics": [
        "normalize",
        "normalize,Wave-method",
        "normalize,WaveMC-method"
      ]
    },
    {
      "page": "noSilence",
      "title": "Cut off silence from a Wave or WaveMC object",
      "concept": [
        "silence",
        "cut",
        "noise",
        "Wave",
        "WaveMC"
      ],
      "topics": [
        "noSilence",
        "noSilence,Wave-method",
        "noSilence,WaveMC-method"
      ]
    },
    {
      "page": "noteFromFF",
      "title": "Deriving notes from frequencies",
      "concept": [
        "note",
        "pitch",
        "fundamental",
        "frequency",
        "tracking",
        "f0",
        "periodogram",
        "Wave"
      ],
      "topics": [
        "noteFromFF"
      ]
    },
    {
      "page": "notenames",
      "title": "Generating note names from numbers",
      "concept": [
        "note"
      ],
      "topics": [
        "notenames"
      ]
    },
    {
      "page": "panorama",
      "title": "Narrow the Panorama of a Stereo Sample",
      "concept": [
        "Wave",
        "WaveMC",
        "channel",
        "stereo"
      ],
      "topics": [
        "panorama",
        "panorama,Wave-method",
        "panorama,WaveMC-method"
      ]
    },
    {
      "page": "periodogram",
      "title": "Periodogram (Spectral Density) Estimation on Wave objects",
      "concept": [
        "Wave",
        "spectrum"
      ],
      "topics": [
        "periodogram",
        "periodogram,character-method",
        "periodogram,WaveGeneral-method"
      ]
    },
    {
      "page": "play",
      "title": "Playing Waves",
      "concept": [
        "Wave",
        "player",
        "sound",
        "music",
        "speech"
      ],
      "topics": [
        "play",
        "play,character-method",
        "play,WaveGeneral-method"
      ]
    },
    {
      "page": "plot-Wave",
      "title": "Plotting Wave objects",
      "concept": [
        "Wave",
        "music",
        "speech"
      ],
      "topics": [
        "plot,Wave,missing-method",
        "plot,WaveMC,missing-method",
        "plot_Wave_channel"
      ]
    },
    {
      "page": "plot-Wspec",
      "title": "Plotting Wspec objects",
      "concept": [
        "periodogram",
        "Wave"
      ],
      "topics": [
        "plot,Wspec,missing-method",
        "plot-Wspec"
      ]
    },
    {
      "page": "plot-WspecMat",
      "title": "Plotting WspecMat objects",
      "concept": [
        "periodogram",
        "spectogram",
        "Wave"
      ],
      "topics": [
        "image,ANY-method",
        "image,Wspec-method",
        "image-Wspec",
        "plot,WspecMat,missing-method",
        "plot-WspecMat"
      ]
    },
    {
      "page": "postaud",
      "title": "Equal loudness compression",
      "concept": [
        "plp",
        "loudness",
        "compression"
      ],
      "topics": [
        "postaud"
      ]
    },
    {
      "page": "powspec",
      "title": "Powerspectrum",
      "concept": [
        "powerspectrum"
      ],
      "topics": [
        "powspec"
      ]
    },
    {
      "page": "prepComb",
      "title": "Preparing the combination/concatenation of Wave or WaveMC objects",
      "concept": [
        "declick",
        "Wave",
        "WaveMC"
      ],
      "topics": [
        "prepComb"
      ]
    },
    {
      "page": "quantize",
      "title": "Functions for the quantization of notes",
      "concept": [
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