Directories
¶
| Path | Synopsis |
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Package api exposes GopherTrunk's read + write control surface, the streaming events feed, and the gRPC mirror of the same state.
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Package api exposes GopherTrunk's read + write control surface, the streaming events feed, and the gRPC mirror of the same state. |
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crypto
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rc4
Package rc4 implements the RC4 stream cipher (also known as ARC4, "alleged RC4") as a keystream generator.
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Package rc4 implements the RC4 stream cipher (also known as ARC4, "alleged RC4") as a keystream generator. |
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channelizer
Package channelizer implements an M-channel critically-sampled polyphase channelizer.
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Package channelizer implements an M-channel critically-sampled polyphase channelizer. |
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demod
Package demod contains baseband demodulators that convert IQ streams into real-valued symbol streams (or audio, for FM).
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Package demod contains baseband demodulators that convert IQ streams into real-valued symbol streams (or audio, for FM). |
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diversity
Package diversity combines IQ streams from N receivers tuned to the same frequency into a single per-sample IQ stream that's stronger and less faded than any one source.
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Package diversity combines IQ streams from N receivers tuned to the same frequency into a single per-sample IQ stream that's stronger and less faded than any one source. |
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equalizer
Package equalizer implements adaptive channel equalizers used to fight simulcast distortion — the inter-symbol interference produced when multiple transmitters cover the same frequency at slightly different arrival delays at the receiver.
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Package equalizer implements adaptive channel equalizers used to fight simulcast distortion — the inter-symbol interference produced when multiple transmitters cover the same frequency at slightly different arrival delays at the receiver. |
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fft
Package fft provides a swappable FFT abstraction.
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Package fft provides a swappable FFT abstraction. |
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filter
Package filter implements the FIR/CIC/halfband primitives used by the DSP pipeline.
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Package filter implements the FIR/CIC/halfband primitives used by the DSP pipeline. |
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sync
Package sync provides symbol-time recovery and frame sync correlators.
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Package sync provides symbol-time recovery and frame sync correlators. |
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window
Package window provides standard window functions for FIR design and FFT pre-processing.
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Package window provides standard window functions for FIR design and FFT pre-processing. |
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Package events implements an in-process pub/sub bus used by the engine to publish trunking events.
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Package events implements an in-process pub/sub bus used by the engine to publish trunking events. |
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Package metrics exposes a Prometheus collector for GopherTrunk.
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Package metrics exposes a Prometheus collector for GopherTrunk. |
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radio
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dmr
Package dmr decodes ETSI TS 102 361 (DMR) burst structure: sync patterns, slot-type fields, and Tier II / III control signaling.
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Package dmr decodes ETSI TS 102 361 (DMR) burst structure: sync patterns, slot-type fields, and Tier II / III control signaling. |
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dmr/receiver
Package receiver wires the IQ → C4FM dibit chain that feeds the DMR control-channel state machines (Tier II conventional + Tier III trunked).
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Package receiver wires the IQ → C4FM dibit chain that feeds the DMR control-channel state machines (Tier II conventional + Tier III trunked). |
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dmr/tier2
Package tier2 decodes DMR Tier II conventional traffic.
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Package tier2 decodes DMR Tier II conventional traffic. |
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dmr/tier3
Package tier3 decodes DMR Tier III (trunked-mode) Control Signaling Blocks.
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Package tier3 decodes DMR Tier III (trunked-mode) Control Signaling Blocks. |
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dmr/voice
Package voice decodes the DMR voice path: it recognises voice superframes in a dibit stream and extracts the AMBE+2 frames they carry.
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Package voice decodes the DMR voice path: it recognises voice superframes in a dibit stream and extracts the AMBE+2 frames they carry. |
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dpmr
Package dpmr decodes dPMR (digital PMR446 / ETSI TS 102 658) Mode 3 trunking signalling.
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Package dpmr decodes dPMR (digital PMR446 / ETSI TS 102 658) Mode 3 trunking signalling. |
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dpmr/receiver
Package receiver wires the IQ → C4FM dibit chain that feeds the dPMR Mode 3 control-channel state machine.
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Package receiver wires the IQ → C4FM dibit chain that feeds the dPMR Mode 3 control-channel state machine. |
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dstar
Package dstar decodes D-STAR (Digital Smart Technology for Amateur Radio) signalling per the JARL D-STAR specification, freely published by the Japanese Amateur Radio League.
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Package dstar decodes D-STAR (Digital Smart Technology for Amateur Radio) signalling per the JARL D-STAR specification, freely published by the Japanese Amateur Radio League. |
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dstar/receiver
Package receiver wires the IQ → GMSK bit chain that feeds the D-STAR repeater-channel state machine.
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Package receiver wires the IQ → GMSK bit chain that feeds the D-STAR repeater-channel state machine. |
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edacs
Package edacs decodes Enhanced Digital Access Communications System trunked control channels (also marketed as GE-Marc / Ericsson EDACS).
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Package edacs decodes Enhanced Digital Access Communications System trunked control channels (also marketed as GE-Marc / Ericsson EDACS). |
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edacs/receiver
Package receiver wires the IQ → GFSK bit chain that feeds the EDACS / GE-Marc control-channel state machine.
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Package receiver wires the IQ → GFSK bit chain that feeds the EDACS / GE-Marc control-channel state machine. |
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framing
Package framing provides the bit-level primitives shared across P25, DMR, and NXDN: bit packing, CRC, Hamming, Golay, and convolutional/Viterbi decoders.
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Package framing provides the bit-level primitives shared across P25, DMR, and NXDN: bit packing, CRC, Hamming, Golay, and convolutional/Viterbi decoders. |
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ltr
Package ltr decodes Logic Trunked Radio (LTR) — the legacy distributed-trunking system invented by E.F. Johnson in the 1970s and still in deployment for utility / industrial fleets.
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Package ltr decodes Logic Trunked Radio (LTR) — the legacy distributed-trunking system invented by E.F. Johnson in the 1970s and still in deployment for utility / industrial fleets. |
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ltr/receiver
Package receiver wires the IQ → sub-audible bit chain that feeds the LTR per-repeater state machine.
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Package receiver wires the IQ → sub-audible bit chain that feeds the LTR per-repeater state machine. |
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motorola
Package motorola decodes Motorola Type II / SmartZone trunked control channels.
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Package motorola decodes Motorola Type II / SmartZone trunked control channels. |
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motorola/receiver
Package receiver wires the IQ → MSK bit chain that feeds the Motorola Type II / SmartZone control-channel state machine.
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Package receiver wires the IQ → MSK bit chain that feeds the Motorola Type II / SmartZone control-channel state machine. |
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mpt1327
Package mpt1327 decodes MPT 1327 trunked control-channel signaling — the UK / Commonwealth utility trunking system standardised by the UK Department of Trade and Industry's Code of Practice MPT 1327 (1988).
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Package mpt1327 decodes MPT 1327 trunked control-channel signaling — the UK / Commonwealth utility trunking system standardised by the UK Department of Trade and Industry's Code of Practice MPT 1327 (1988). |
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mpt1327/receiver
Package receiver wires the IQ → FFSK bit chain that feeds the MPT 1327 control-channel state machine.
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Package receiver wires the IQ → FFSK bit chain that feeds the MPT 1327 control-channel state machine. |
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nxdn
Package nxdn decodes NXDN frame structure (TIA-102.AABG / NXDN technical specification rev 1.4).
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Package nxdn decodes NXDN frame structure (TIA-102.AABG / NXDN technical specification rev 1.4). |
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nxdn/receiver
Package receiver wires the IQ → C4FM dibit chain that feeds the NXDN control-channel state machine for the 9600-baud 4-FSK variant (the most common deployment; the 4800-baud BFSK variant uses a 2-level slicer and lives in a follow-up).
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Package receiver wires the IQ → C4FM dibit chain that feeds the NXDN control-channel state machine for the 9600-baud 4-FSK variant (the most common deployment; the 4800-baud BFSK variant uses a 2-level slicer and lives in a follow-up). |
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p25/phase1
Package phase1 decodes the P25 Phase 1 (C4FM, FDMA) frame structure.
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Package phase1 decodes the P25 Phase 1 (C4FM, FDMA) frame structure. |
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p25/phase1/receiver
Package receiver wires the IQ → dibit chain that feeds either the P25 Phase 1 LDU assembler (voice path) or the control-channel state machine (CC path) — or both at once.
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Package receiver wires the IQ → dibit chain that feeds either the P25 Phase 1 LDU assembler (voice path) or the control-channel state machine (CC path) — or both at once. |
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p25/phase2
Package phase2 decodes P25 Phase 2 traffic-channel framing per TIA-102.BBAB / BBAC.
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Package phase2 decodes P25 Phase 2 traffic-channel framing per TIA-102.BBAB / BBAC. |
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p25/phase2/receiver
Package receiver wires the IQ → H-DQPSK dibit chain that feeds the P25 Phase 2 control-channel state machine.
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Package receiver wires the IQ → H-DQPSK dibit chain that feeds the P25 Phase 2 control-channel state machine. |
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tetra
Package tetra decodes TETRA (Terrestrial Trunked Radio) Trunked- Mode Operation (TMO) signalling per ETSI EN 300 392-2.
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Package tetra decodes TETRA (Terrestrial Trunked Radio) Trunked- Mode Operation (TMO) signalling per ETSI EN 300 392-2. |
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tetra/receiver
Package receiver wires the IQ → π/4-DQPSK dibit chain that feeds the TETRA TMO control-channel state machine.
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Package receiver wires the IQ → π/4-DQPSK dibit chain that feeds the TETRA TMO control-channel state machine. |
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ysf
Package ysf decodes the wire format of Yaesu System Fusion, the amateur-radio digital mode.
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Package ysf decodes the wire format of Yaesu System Fusion, the amateur-radio digital mode. |
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ysf/receiver
Package receiver wires the IQ → C4FM dibit chain that feeds the YSF control-channel state machine.
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Package receiver wires the IQ → C4FM dibit chain that feeds the YSF control-channel state machine. |
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scanner
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ccdecoder
Package ccdecoder is the connector that closes the IQ → control- channel decoder gap listed in the README "Status & known gaps".
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Package ccdecoder is the connector that closes the IQ → control- channel decoder gap listed in the README "Status & known gaps". |
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cchunt
Package cchunt is the multi-system control-channel scanner.
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Package cchunt is the multi-system control-channel scanner. |
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conventional
Package conventional is the fixed-frequency analog FM scanner.
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Package conventional is the fixed-frequency analog FM scanner. |
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Package sdr defines the abstract Device interface for IQ sources and the pool that supervises a fleet of dongles.
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Package sdr defines the abstract Device interface for IQ sources and the pool that supervises a fleet of dongles. |
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rtlsdr/purego
Package purego is the pure-Go RTL-SDR driver — the sdr.Device / sdr.Driver implementation that composes the platform USB transport (internal/sdr/rtlsdr/usb), the RTL2832U register layer (internal/sdr/rtlsdr/rtl2832u), and the per-chip tuner drivers (internal/sdr/rtlsdr/tuners).
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Package purego is the pure-Go RTL-SDR driver — the sdr.Device / sdr.Driver implementation that composes the platform USB transport (internal/sdr/rtlsdr/usb), the RTL2832U register layer (internal/sdr/rtlsdr/rtl2832u), and the per-chip tuner drivers (internal/sdr/rtlsdr/tuners). |
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rtlsdr/rtl2832u
Package rtl2832u is the pure-Go register / I2C-bridge layer that sits between the platform USB transport (internal/sdr/rtlsdr/usb) and the per-tuner drivers.
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Package rtl2832u is the pure-Go register / I2C-bridge layer that sits between the platform USB transport (internal/sdr/rtlsdr/usb) and the per-tuner drivers. |
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rtlsdr/tuners
Package tuners houses the per-chip tuner drivers that sit between the RTL2832U register layer (internal/sdr/rtlsdr/rtl2832u) and the top-level [sdr.Device].
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Package tuners houses the per-chip tuner drivers that sit between the RTL2832U register layer (internal/sdr/rtlsdr/rtl2832u) and the top-level [sdr.Device]. |
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rtlsdr/usb
Package usb is the platform-abstraction layer that the pure-Go RTL-SDR driver speaks to.
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Package usb is the platform-abstraction layer that the pure-Go RTL-SDR driver speaks to. |
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Package storage persists GopherTrunk's runtime data to disk.
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Package storage persists GopherTrunk's runtime data to disk. |
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Package trunking holds the cross-protocol orchestration: System definitions, control-channel hunting, talkgroup priority, voice grant following, and (later) multi-site neighbor tracking.
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Package trunking holds the cross-protocol orchestration: System definitions, control-channel hunting, talkgroup priority, voice grant following, and (later) multi-site neighbor tracking. |
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Package tui is the GopherTrunk TUI — a read-only operator view over the daemon's REST + SSE API.
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Package tui is the GopherTrunk TUI — a read-only operator view over the daemon's REST + SSE API. |
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client
Package client is the TUI's network layer.
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Package client is the TUI's network layer. |
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panels
Package panels contains the eight read-only panels rendered by the TUI.
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Package panels contains the eight read-only panels rendered by the TUI. |
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state
Package state holds the SharedState struct and PanelKind enum so the root tui package and panels sub-package can both import it without an import cycle.
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Package state holds the SharedState struct and PanelKind enum so the root tui package and panels sub-package can both import it without an import cycle. |
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theme
Package theme owns the TUI's semantic colour palette and the derived high-level lipgloss styles.
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Package theme owns the TUI's semantic colour palette and the derived high-level lipgloss styles. |
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Package version exposes build metadata injected at link time via `go build -ldflags "-X ...Version=..." -ldflags "-X ...Commit=..." -ldflags "-X ...BuildTime=..."`.
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Package version exposes build metadata injected at link time via `go build -ldflags "-X ...Version=..." -ldflags "-X ...Commit=..." -ldflags "-X ...BuildTime=..."`. |
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Package voice provides the voice-decoding plumbing that sits between the trunking engine and the audio output / recording layer.
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Package voice provides the voice-decoding plumbing that sits between the trunking engine and the audio output / recording layer. |
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ambe2
Package ambe2 is the in-progress pure-Go AMBE+2 2400 bps voice decoder used by P25 Phase 2, DMR (Tier II / III), and NXDN voice frames.
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Package ambe2 is the in-progress pure-Go AMBE+2 2400 bps voice decoder used by P25 Phase 2, DMR (Tier II / III), and NXDN voice frames. |
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calibrate
Package calibrate compares an in-tree Vocoder's PCM output against a reference WAV (typically produced by DSD-FME or OP25) from the same raw vocoder-frame source.
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Package calibrate compares an in-tree Vocoder's PCM output against a reference WAV (typically produced by DSD-FME or OP25) from the same raw vocoder-frame source. |
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composer
Package composer bridges the trunking engine's CallStart events to the per-call demod chain that turns IQ samples on a freshly-tuned Voice device into 16-bit PCM the recorder can write.
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Package composer bridges the trunking engine's CallStart events to the per-call demod chain that turns IQ samples on a freshly-tuned Voice device into 16-bit PCM the recorder can write. |
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dvsi
Package dvsi implements the DVSI USB-3000 / AMBE-3003 hardware vocoder backend.
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Package dvsi implements the DVSI USB-3000 / AMBE-3003 hardware vocoder backend. |
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imbe
Package imbe is the pure-Go IMBE 4400 bps voice decoder used by P25 Phase 1 LDU1 / LDU2 frames.
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Package imbe is the pure-Go IMBE 4400 bps voice decoder used by P25 Phase 1 LDU1 / LDU2 frames. |
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mbe
Package mbe is the shared Multi-Band Excitation synthesis core used by GopherTrunk's IMBE 4400 (P25 Phase 1) and AMBE+2 2400 (P25 Phase 2 / DMR / NXDN) decoders.
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Package mbe is the shared Multi-Band Excitation synthesis core used by GopherTrunk's IMBE 4400 (P25 Phase 1) and AMBE+2 2400 (P25 Phase 2 / DMR / NXDN) decoders. |
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player
Package player is the live-audio sink that turns int16 PCM coming out of the per-call composer / conventional scanner into sound out of the host's speakers.
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Package player is the live-audio sink that turns int16 PCM coming out of the per-call composer / conventional scanner into sound out of the host's speakers. |
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toneout
Package toneout detects fire/EMS paging tones — Two-Tone Sequential (Motorola Quick Call II), single-tone, and DTMF — over the PCM stream produced by the voice composer, and emits events.KindToneAlert when a configured profile matches.
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Package toneout detects fire/EMS paging tones — Two-Tone Sequential (Motorola Quick Call II), single-tone, and DTMF — over the PCM stream produced by the voice composer, and emits events.KindToneAlert when a configured profile matches. |
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