721
edits
No edit summary |
No edit summary |
||
Line 15: | Line 15: | ||
[http://www.falstad.com/circuit/circuitjs.html?ctz=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-dAwN6mN7hN6wNBgf74z6fbCkxVHZx8NmJLK0I5PSBML7k0GQz7wzAozG4wmM96S2nYBmHZBaHgZm7hJh6kWo9MyxgqZWI1jMARkuHa-Hk1Hm5FQfjlzFkP72HSCdhnAwEDZQWr6pAANY6AD8LGoEhsADEILQxrzFRAb7JFCoNCwgA Frequency Detector] | [http://www.falstad.com/circuit/circuitjs.html?ctz=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-dAwN6mN7hN6wNBgf74z6fbCkxVHZx8NmJLK0I5PSBML7k0GQz7wzAozG4wmM96S2nYBmHZBaHgZm7hJh6kWo9MyxgqZWI1jMARkuHa-Hk1Hm5FQfjlzFkP72HSCdhnAwEDZQWr6pAANY6AD8LGoEhsADEILQxrzFRAb7JFCoNCwgA Frequency Detector] | ||
To convert the frequency of a musical signal to a voltage, we can use this relative simple frequency detector circuit. Note that the output is linear in frequency, so it won't match the 1V/oct input of an analog synthesizer. That means pitches will be out of tune. Their might be ways to remedy this by using a logarithmic amplifier instead of the linear amplifier in the schematic. | To convert the frequency of a musical signal to a voltage, we can use this relative simple frequency detector circuit. Note that the output is linear in frequency, so it won't match the 1V/oct input of an analog synthesizer. That means pitches will be out of tune. Their might be ways to remedy this by using a logarithmic amplifier instead of the linear amplifier in the schematic. This is shown by the next schematic. | ||
[http://www.falstad.com/circuit/circuitjs.html?ctz=CQAgjCAMB0l3BWEBmAHAJmgdgGzoRmACzICcpkORIC1SJNApgLRhgBQAHiM8glj3SpIPMoKwDq6amABqAegDyAYwAuAHQDOAMwBOjAI4BXRgDtlATy0ATRqsZqA9rvYBDceh7CeYHCObeqOBIrEhg8PBQ0KSoWDFYyFioCMiQRHA4UfHkWPio6URgqDgQ4RHsAO4ePkTUzOi5PKSZkJU+fjV1vv7erVX1jay17f7E1K1gpHW1QcxUPOn+8yLargA2moxR8AjsAEo8CGCec3UIpCfL4CCLIJhI91BRu8oLRLPzzEeX49sREMwsNAqJBcmA0KgLul0GAWMc-hxXvVUB86kJZr4njAIpByHj8QTyFlYjk8gUiiUEewAOaCFHtOlBETM9i6UQIH6MnhXMpwNrI1HVU5Qfl8Tm8DlNFpcBaNeG8NDBG7gTwAW0cpkcmlUrgARmtGFp5FoNYbNJoABaOVTsdLIN5Bd6idAiNieV3oAD6qE9kE9nFQqXBnoQvugYE9rE9XrA0Hwvs9x09yDDkHjrTt3OkN1mRGa4HhIhw3oTAaDKdDMAjUZjccrnuLKex6Zl9VIAgCJ3QOBCcWV8PCAGstAB+NqYoYyTLCvpSzpzgIs9zMfPCifzIJgEJb8A45mwCK1OJEBA4OIEdKkcFPXl8l0CdDZ5hOhonJ3URxGVQABy-NIXTortOyDuiKbJAV4owdIuN7wOw1gLmM4DTkhni2KsRhrDamYQU6IEFqBYBYA2RAJpepBhnglYHluVGRhGMbEcgtqQPaAyeIBSFuk8KZUGRuIUfcqbwO2PZ0TWybJm4BELEEj7TEEm7bmEe48Ni8DhDCBCkHwWAkO2aaweUtLcbwnimZiLJsuuMjyjycFVKZ8wWcMrTWfKqFPkhIjdqks7yfOAXPkyLH2scjpyaeMk+X6fF+uR0bQNRESiae8YSS6UnuScSGfN5dwunyBx5cMnGuU86QgKQWLPK2fgdkU-j8A1Ej9p4ACWpi-ja3DPsMrCoACyD9URjoqiAyifqY9i6PItj2E4Li9fgAJFDlFw+H2MgddNjDUroriqM4rZsKM+TgF0g1tSAayONSri6O1qgWqq7XKForiqt+aztdo7WMEtICtQNnjoMNm3VdtICaMo6xmp932-f9uhaAAFEdWhyEoagAJTsIqmQAGIQPaMiRKwICE-oxhmJY7BAA 1V/Oct frequency detector] |