https://www.freecalypso.org/hg/gsm-codec-lib/ en-us gsm-codec-lib: doc/HR-codec-utils history doc/HR-codec-utils revision history document GSM-HR codec utilities https://www.freecalypso.org/hg/gsm-codec-lib/log/83de961cc54b/doc/HR-codec-utils Mychaela Falconia <falcon@freecalypso.org> Thu, 26 Mar 2026 22:48:20 +0000