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MMD > Archives > February 2002 > 2002.02.28 > 03Prev  Next


WAV File Player With Clock Speed Control
By Mike Knudsen

Tom Lear wrote:

> So, here's my question: Is there such a thing as an audio player
> program for WAV files that has a tempo control?  More specific, is
> there a player that has tempo control you can adjust while it is
> playing, and operates in Windows?

My educated guess is that it is not practical for a WAV player to have
tempo control, since changing the tempo would also change the pitch, as
with a tape or record.  WAV files are sound recordings, unlike MID
files which are essentially digitized piano rolls.

However, the pitch change may be okay for your Pianocorder, since its
internal decoder must already be compensating for the pitch changes
when its tape motor speed is varied with tempo.

So a WAV player with variable playback sample rate would work for you
to make Pianocorder tapes, but might not be available simply because
there is not much demand for it.  I assume you want a version with a
"slider" control where you can change the speed continuously while it's
playing.

A question:  You alluded to converting MIDI files directly into WAV,
without going through a sound card or synthesizer.  Can Windows Media
Player do that?  I would love to convert my ragtime MIDI files to
48-kHz WAV files and burn CDs directly, without going through a tape
deck.  There is Windows' software MIDI player, but I know of no way
to divert its output to a file rather than the sound card's output.

Mike Knudsen


(Message sent Thu 28 Feb 2002, 17:45:36 GMT, from time zone GMT-0500.)

Key Words in Subject:  Clock, Control, File, Player, Speed, WAV

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