试试 FreeSWITCH 的 tone2wav-优快云博客

本文链接：https://blog.youkuaiyun.com/qq_56167818/article/details/145008616

先建软链接：

ln -sf /usr/local/freeswitch/bin/tone2wav /usr/bin

tone2wav，不带任何参数，看帮助

Invalid input!
USAGE: tone2wav [options] <file> <tones>
================================================================================
Options:
-s       Stereo
-h       Help
-R<rate>   Set Rate (8000,16000,32000,48000) etc.
-v       Verbose Logging
<file>       Any file supported by libsndfile
<tones>       A valid teletone script http://wiki.freeswitch.org/wiki/TGML

我们产生 dtmf1234:

tone2wav -s -R8000 -v dtmf1234.wav 'tone_stream://1234'

2025-01-08 14:26:14.097783 0.00% [INFO] mod_sndfile.c:498
LibSndFile Version : libsndfile-1.2.0 Supported Formats
================================================================================
AIFF (Apple/SGI) (extension "aiff")
AU (Sun/NeXT) (extension "au")
AVR (Audio Visual Research) (extension "avr")
CAF (Apple Core Audio File) (extension "caf")
FLAC (Free Lossless Audio Codec) (extension "flac")
HTK (HMM Tool Kit) (extension "htk")
IFF (Amiga IFF/SVX8/SV16) (extension "iff")
MAT4 (GNU Octave 2.0 / Matlab 4.2) (extension "mat")
MAT5 (GNU Octave 2.1 / Matlab 5.0) (extension "mat")
MPC (Akai MPC 2k) (extension "mpc")
MPEG-1/2 Audio (extension "m1a")
OGG (OGG Container format) (extension "oga")
OGG (OGG Container format) (extension "ogg")
PAF (Ensoniq PARIS) (extension "paf")
PVF (Portable Voice Format) (extension "pvf")
RAW (header-less) (extension "raw")
RF64 (RIFF 64) (extension "rf64")
SD2 (Sound Designer II) (extension "sd2")
SDS (Midi Sample Dump Standard) (extension "sds")
SF (Berkeley/IRCAM/CARL) (extension "sf")
VOC (Creative Labs) (extension "voc")
W64 (SoundFoundry WAVE 64) (extension "w64")
WAV (Microsoft) (extension "wav")
WAV (NIST Sphere) (extension "wav")
WAVEX (Microsoft) (extension "wav")
WVE (Psion Series 3) (extension "wve")
XI (FastTracker 2) (extension "xi")
================================================================================
2025-01-08 14:26:14.099855 0.00% [CONSOLE] switch_loadable_module.c:1785 Successfully Loaded [mod_sndfile]
2025-01-08 14:26:14.099956 0.00% [NOTICE] switch_loadable_module.c:389 Adding API Function 'sndfile_debug'
2025-01-08 14:26:14.100121 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'aiff'
2025-01-08 14:26:14.100162 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'au'
2025-01-08 14:26:14.100196 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'avr'
2025-01-08 14:26:14.100230 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'caf'
2025-01-08 14:26:14.100262 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'flac'
2025-01-08 14:26:14.100294 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'htk'
2025-01-08 14:26:14.100326 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'iff'
2025-01-08 14:26:14.100570 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'mat'
2025-01-08 14:26:14.100620 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'mpc'
2025-01-08 14:26:14.100762 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'm1a'
2025-01-08 14:26:14.101020 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'oga'
2025-01-08 14:26:14.101211 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'paf'
2025-01-08 14:26:14.101375 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'pvf'
2025-01-08 14:26:14.101632 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'raw'
2025-01-08 14:26:14.101699 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'rf64'
2025-01-08 14:26:14.101950 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'sd2'
2025-01-08 14:26:14.102004 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'sds'
2025-01-08 14:26:14.102250 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'sf'
2025-01-08 14:26:14.102306 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'voc'
2025-01-08 14:26:14.102339 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'w64'
2025-01-08 14:26:14.102488 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'wav'
2025-01-08 14:26:14.102730 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'wve'
2025-01-08 14:26:14.102787 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'xi'
2025-01-08 14:26:14.103158 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'r8'
2025-01-08 14:26:14.103400 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'r16'
2025-01-08 14:26:14.103729 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'r24'
2025-01-08 14:26:14.103962 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'r32'
2025-01-08 14:26:14.104248 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'gsm'
2025-01-08 14:26:14.104448 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'ul'
2025-01-08 14:26:14.104509 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'ulaw'
2025-01-08 14:26:14.104860 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'al'
2025-01-08 14:26:14.104922 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'alaw'
2025-01-08 14:26:14.104956 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'adpcm'
2025-01-08 14:26:14.104988 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'vox'
2025-01-08 14:26:14.105290 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'oga'
2025-01-08 14:26:14.105355 0.00% [NOTICE] switch_loadable_module.c:455 Adding File Format 'ogg'
Ignoring Empty Map [t]!
Ignoring Empty Map [o]!
Ignoring Empty Map [n]!
Ignoring Empty Map [e]!
Ignoring Empty Map [_]!
Ignoring Empty Map [s]!
Ignoring Empty Map [t]!
Ignoring Empty Map [r]!
Ignoring Empty Map [e]!
Ignoring Empty Map [a]!
Ignoring Empty Map [m]!
Ignoring Empty Map [:]!
Ignoring Empty Map [/]!
Ignoring Empty Map [/]!
Generate: (697.00+1209.00) [volume -7.00dB; samples 1000(125ms) x 2 channels; wait 200(25ms); decay_factor 1.00dB; decay_step 0(0ms); wrote 2400 bytes]
Generate: (697.00+1336.00) [volume -7.00dB; samples 1000(125ms) x 2 channels; wait 200(25ms); decay_factor 1.00dB; decay_step 0(0ms); wrote 2400 bytes]
Generate: (697.00+1477.00) [volume -7.00dB; samples 1000(125ms) x 2 channels; wait 200(25ms); decay_factor 1.00dB; decay_step 0(0ms); wrote 2400 bytes]
Generate: (770.00+1209.00) [volume -7.00dB; samples 1000(125ms) x 2 channels; wait 200(25ms); decay_factor 1.00dB; decay_step 0(0ms); wrote 2400 bytes]
File: dtmf1234.wav generated...