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text-to-speech/audio-formats.md at master · ibm-cloud-docs ...
https://github.com/ibm-cloud-docs/text-to-speech/blob/master/audio-formats.md#:~:text=8-bit%20mu-law%20%28or%20u-law%29%20audio%20is%20a%20single-channel%2C,for%20audio%20that%20is%20sampled%20at%2016%20kHz.
µ-Law Compressed Sound Format
https://www.loc.gov/preservation/digital/formats/fdd/fdd000039.shtml
Format Description for µ-Law -- Standard companding algorithm used in digital communications systems in North America and Japan (telephones, for the most part) to optimize the dynamic range of an analog signal (generally a voice) for digitizing, i.e., to compress 16 bit LPCM (Linear Pulse Code Modulated) data down to 8 bits of logarithmic data.
Is there any way to save mulaw audio stream from twilio …
https://stackoverflow.com/questions/58439005/is-there-any-way-to-save-mulaw-audio-stream-from-twilio-in-a-file
wss.on('connection', (socket) => { socket.on('message', (msg) => { const { event, ...message } = JSON.parse(msg); switch (event) { case 'start': let streamSid = message.start.streamSid; socket.wstream = fs.createWriteStream(__dirname + `/${Date.now()}.wav`, { encoding: 'binary' }); // This is a mu-law header for a WAV-file compatible …
AU - Audio File Format - The Open Group
https://pubs.opengroup.org/external/auformat.html
AUDIO_FILE_ENCODING_MULAW_8 (1) /* 8-bit ISDN u-law */ #define : AUDIO_FILE_ENCODING_LINEAR_8 (2) /* 8-bit linear PCM */ #define : AUDIO_FILE_ENCODING_LINEAR_16 (3) /* 16-bit linear PCM */ #define : AUDIO_FILE_ENCODING_LINEAR_24 (4) /* 24-bit linear PCM */ #define : …
java - I need to convert audio file from μ-law to PCM ...
https://stackoverflow.com/questions/44954593/i-need-to-convert-audio-file-from-%ce%bc-law-to-pcm
Format 1 : μ-law, 8000Hz, 64 kbps, mono. FORMAT 2 : Container WAV Encoding PCM Rate 16K Sample Format 16 bit Channels Mono.
Why Doesn't My Voice File Sound Clear? | Voice Elements
https://www.voiceelements.com/docs/programmable-voice/faq/why-doesnt-my-voice-file-sound-clear/
μ-Law or MuLaw Format. When audio is transmitted “across the wire” it uses a Mu-Law 8khz 8bit format. Note that some European countries use an A-Law format which is supported as well. The default codec on the Voice Resource is set to Codec.MULAW_8Khz_8Bit.
How To Make CCITT mu-law Files For Older IVR Systems Using ...
https://www.vo2gogo.com/how-to-make-ccitt-mu-law-files-for-older-ivr-systems-using-audacity/
Because the header in the audio file does not identify itself as a CCITT mu-law file, the IVR system may not recognize it. Send a test audio to your customer first to make sure it will import the unsigned audio file before converting your entire project. A! Reply. Jessica May 8, …
WAVEFORMATEXTENSIBLE (mmreg.h) - Win32 apps | …
https://docs.microsoft.com/en-us/windows/win32/api/mmreg/ns-mmreg-waveformatextensible
In this article. The WAVEFORMATEXTENSIBLE structure defines the format of waveform-audio data for formats having more than two channels or higher sample resolutions than allowed by WAVEFORMATEX.It can also be used to define any format that can be defined by WAVEFORMATEX.. Syntax typedef struct { WAVEFORMATEX Format; union { WORD …
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