Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: rbowman Newsgroups: comp.os.linux.misc Subject: Re: Older Hardware Still Works Date: 13 Aug 2025 19:42:22 GMT Lines: 10 Message-ID: References: <4vecnYdHDPuMwwT1nZ2dnZfqn_idnZ2d@giganews.com> <91umQ.65737$Rnw6.13108@fx48.iad> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Trace: individual.net QqLaYn/m8QNdHqAUV8cOeQY3BNevebnu/GWNdA7+4qX4W9hy/S Cancel-Lock: sha1:D8VcRCChbc89zAOEGT7njirijNM= sha256:jAqSryUgqEoVj5Q407TxmxfpEJHtUZ8XBCXFu1wBDPI= User-Agent: Pan/0.162 (Pokrosvk) Xref: csiph.com comp.os.linux.misc:70936 On Wed, 13 Aug 2025 01:37:16 -0400, c186282 wrote: > STILL have to turn the pulse dialing into at least DTMF tones. Don't > think a Pico would do that, might req at least an old Pi with the > fair fakesound jack. https://www.youtube.com/watch?v=Q0FBoDSxjR8 This is one lecture in the series. The end goal is to synthesize bird calls. DTMF is a kindergarten project. He does use an external DAC.