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sonify 0.1-0

• New argument pitch_mapping in sonify(). pitch_mapping = "logarithmic" maps the data linearly onto log-frequency, so equal steps in the data give equal steps in perceived pitch. The default ("linear") keeps the previous behaviour.
• Stereo panning now uses an equal-power (sine/cosine) law, which removes the loudness dip in the middle of the left-to-right pan.
• Fixed an audible click at the start and end of each sound: the fade in/out now uses a raised-cosine ramp that reaches exactly zero.
• On Linux, sonify() now uses mpv when it is available, and falls back to mplayer. If neither is found, it issues a warning instead of failing silently.
• Fixed a bug where sonify() failed to play audio on Linux systems where /bin/sh is not bash (e.g. Debian/Ubuntu, where /bin/sh is dash). The default player invocation used the bash-only &> redirection operator, which dash parses as backgrounding the player followed by an attempt to execute the generated .wav file, resulting in sh: 1: .../tuneRtemp.wav: Permission denied. The redirection is now written in POSIX form (> /dev/null 2>&1).
• noise_interval must now have length at least 2. pulse_len is ignored (instead of failing) when all x-values are identical.
• tuneR moved from Depends to Imports.
• Added a basic test suite.

sonify 0.0-1

• Initial CRAN release.

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They may not be fully stable and should be used with caution. We make no claims about them.
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