Talkie Class Reference

Talkie is a software implementation of the Texas Instruments speech synthesis architecture (Linear Predictive Coding) from the late 1970s. More...

#include <Talkie.h>

Public Member Functions
	Talkie (Print &out, int channelCount=1)
void	setOutputAsText (bool flag)
	converts samples to csv string format
void	say (const uint8_t *address)
	converts the provided word into samples
void	silence (uint16_t ms)
	outputs silence for the indicated milliseconds
void	sayPause ()
void	sayDigit (char aDigit)
void	sayVoltageMilliVolts (long aMilliVolt)
void	sayVoltageVolts (float aVolt)
void	sayTimeout ()
void	sayNumber (long aNumber)
	say any number between -999,999 and 999,999
void	sayFloat (float aFloat, int aDecimalPlaces, bool aSuppressLeadingZero, bool aSuppressTrailingZero)
void	setOutput (Print &out)
	Defines the Arduino data target.
void	setDataCallback (void(*cb)(int16_t *data, int len))
	Defines the data callback that receives the generated samples.
void	setChannels (uint16_t ch)
	Defines the number of generated output channels (2=stereo). Default is 1 = mono.

Protected Member Functions
void	wait ()
void	setPtr (const uint8_t *addr)
uint8_t	rev (uint8_t a)
uint8_t	getBits (uint8_t bits)
void	say1 (const uint8_t *addr)
int	clip (int value, int min, int max)
void	writeSample (int16_t sample)
bool	process ()
bool	calculateSample ()

Protected Attributes
Print *	p_print = nullptr
uint16_t	channels = 1
bool	isInit = false
bool	isOutputText = true
const uint8_t *	ptrAddr = nullptr
uint8_t	ptrBit
uint8_t	synthPeriod
uint16_t	synthEnergy
int16_t	synthK1
int16_t	synthK2
int8_t	synthK3
int8_t	synthK4
int8_t	synthK5
int8_t	synthK6
int8_t	synthK7
int8_t	synthK8
int8_t	synthK9
int8_t	synthK10
void(*	data_callback )(int16_t *data, int len) = nullptr
uint8_t	tmsEnergy [0x10]
uint8_t	tmsPeriod [0x40]
uint16_t	tmsK1 [0x20]
uint16_t	tmsK2 [0x20]
uint8_t	tmsK3 [0x10]
uint8_t	tmsK4 [0x10]
uint8_t	tmsK5 [0x10]
uint8_t	tmsK6 [0x10]
uint8_t	tmsK7 [0x10]
uint8_t	tmsK8 [0x08] = {0xC0, 0xD8, 0xF0, 0x07, 0x1F, 0x37, 0x4F, 0x66}
uint8_t	tmsK9 [0x08] = {0xC0, 0xD4, 0xE8, 0xFC, 0x10, 0x25, 0x39, 0x4D}
uint8_t	tmsK10 [0x08] = {0xCD, 0xDF, 0xF1, 0x04, 0x16, 0x20, 0x3B, 0x4D}
uint8_t	chirp [CHIRP_SIZE]
int16_t	nextSample = 0
uint8_t	periodCounter = 0
int16_t	x [10] = {0}

Detailed Description

Talkie is a software implementation of the Texas Instruments speech synthesis architecture (Linear Predictive Coding) from the late 1970s.

Author

Peter Knight, Phil Schatzmann

Member Data Documentation

chirp

uint8_t Talkie::chirp[CHIRP_SIZE]

protected

Initial value:

= {
      0x00, 0x2a, 0xd4, 0x32, 0xb2, 0x12, 0x25, 0x14, 0x02, 0xe1, 0xc5,
      0x02, 0x5f, 0x5a, 0x05, 0x0f, 0x26, 0xfc, 0xa5, 0xa5, 0xd6, 0xdd,
      0xdc, 0xfc, 0x25, 0x2b, 0x22, 0x21, 0x0f, 0xff, 0xf8, 0xee, 0xed,
      0xef, 0xf7, 0xf6, 0xfa, 0x00, 0x03, 0x02, 0x01}

tmsEnergy

uint8_t Talkie::tmsEnergy[0x10]

protected

Initial value:

= {0x00, 0x02, 0x03, 0x04, 0x05, 0x07, 0x0a, 0x0f,
                             0x14, 0x20, 0x29, 0x39, 0x51, 0x72, 0xa1, 0xff}

tmsK1

uint16_t Talkie::tmsK1[0x20]

protected

Initial value:

= {
      0x82C0, 0x8380, 0x83C0, 0x8440, 0x84C0, 0x8540, 0x8600, 0x8780,
      0x8880, 0x8980, 0x8AC0, 0x8C00, 0x8D40, 0x8F00, 0x90C0, 0x92C0,
      0x9900, 0xA140, 0xAB80, 0xB840, 0xC740, 0xD8C0, 0xEBC0, 0x0000,
      0x1440, 0x2740, 0x38C0, 0x47C0, 0x5480, 0x5EC0, 0x6700, 0x6D40}

tmsK2

uint16_t Talkie::tmsK2[0x20]

protected

Initial value:

= {
      0xAE00, 0xB480, 0xBB80, 0xC340, 0xCB80, 0xD440, 0xDDC0, 0xE780,
      0xF180, 0xFBC0, 0x0600, 0x1040, 0x1A40, 0x2400, 0x2D40, 0x3600,
      0x3E40, 0x45C0, 0x4CC0, 0x5300, 0x5880, 0x5DC0, 0x6240, 0x6640,
      0x69C0, 0x6CC0, 0x6F80, 0x71C0, 0x73C0, 0x7580, 0x7700, 0x7E80}

tmsK3

uint8_t Talkie::tmsK3[0x10]

protected

Initial value:

= {0x92, 0x9F, 0xAD, 0xBA, 0xC8, 0xD5, 0xE3, 0xF0,
                         0xFE, 0x0B, 0x19, 0x26, 0x34, 0x41, 0x4F, 0x5C}

tmsK4

uint8_t Talkie::tmsK4[0x10]

protected

Initial value:

= {0xAE, 0xBC, 0xCA, 0xD8, 0xE6, 0xF4, 0x01, 0x0F,
                         0x1D, 0x2B, 0x39, 0x47, 0x55, 0x63, 0x71, 0x7E}

tmsK5

uint8_t Talkie::tmsK5[0x10]

protected

Initial value:

= {0xAE, 0xBA, 0xC5, 0xD1, 0xDD, 0xE8, 0xF4, 0xFF,
                         0x0B, 0x17, 0x22, 0x2E, 0x39, 0x45, 0x51, 0x5C}

tmsK6

uint8_t Talkie::tmsK6[0x10]

protected

Initial value:

= {0xC0, 0xCB, 0xD6, 0xE1, 0xEC, 0xF7, 0x03, 0x0E,
                         0x19, 0x24, 0x2F, 0x3A, 0x45, 0x50, 0x5B, 0x66}

tmsK7

uint8_t Talkie::tmsK7[0x10]

protected

Initial value:

= {0xB3, 0xBF, 0xCB, 0xD7, 0xE3, 0xEF, 0xFB, 0x07,
                         0x13, 0x1F, 0x2B, 0x37, 0x43, 0x4F, 0x5A, 0x66}

tmsPeriod

uint8_t Talkie::tmsPeriod[0x40]

protected

Initial value:

= {
      0x00, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19,
      0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24,
      0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2D, 0x2F, 0x31, 0x33,
      0x35, 0x36, 0x39, 0x3B, 0x3D, 0x3F, 0x42, 0x45, 0x47, 0x49, 0x4D,
      0x4F, 0x51, 0x55, 0x57, 0x5C, 0x5F, 0x63, 0x66, 0x6A, 0x6E, 0x73,
      0x77, 0x7B, 0x80, 0x85, 0x8A, 0x8F, 0x95, 0x9A, 0xA0}

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The documentation for this class was generated from the following file:

• src/Talkie.h