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meetween
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mumospee_libritts

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English
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float64
322
"Yes, there can; for mine is totally different.
"Yes, there can; for mine is totally different.
3.140042
322
Will you hear it?"
Will you hear it?"
0.839958
322
"That is right.
"That is right.
0.869958
322
My dear Charlotte--impossible!"
My dear Charlotte-impossible!"
2.01
322
"Engaged to Mr. Collins!
"Engaged to mr Collins!
1.920042
322
"Of what are you talking?"
"Of what are you talking?"
1.57
322
She shall hear my opinion."
She shall hear my opinion."
1.69
322
Not that I have much pleasure, indeed, in talking to anybody.
Not that I have much pleasure, indeed, in talking to anybody.
3.649958
322
"Pray do, my dear Miss Lucas," she added in a melancholy tone, "for nobody is on my side, nobody takes part with me.
"Pray do, my dear Miss Lucas," she added in a melancholy tone, "for nobody is on my side, nobody takes part with me.
9
322
I told you in the library, you know, that I should never speak to you again, and you will find me as good as my word.
I told you in the library, you know, that I should never speak to you again, and you will find me as good as my word.
7.389958
322
"Speak to Lizzy about it yourself.
"Speak to Lizzy about it yourself.
1.73
322
Not yet, however, in spite of her disappointment in her husband, did Mrs. Bennet give up the point.
Not yet, however, in spite of her disappointment in her husband, did mrs Bennet give up the point.
6.66
322
In everything else she is as good-natured a girl as ever lived.
In everything else she is as good-natured a girl as ever lived.
3.36
322
"Yes, or I will never see her again."
"Yes, or I will never see her again."
2.44
322
Tell her that you insist upon her marrying him."
Tell her that you insist upon her marrying him."
2.45
322
"But, depend upon it, Mr. Collins," she added, "that Lizzy shall be brought to reason.
"But, depend upon it, mr Collins," she added, "that Lizzy shall be brought to reason.
6.4
322
We now come to the point.
We now come to the point.
1.68
322
Nobody can tell what I suffer!
Nobody can tell what I suffer!
1.969958
4788
Goodbye, boys, we'll see you tomorrow."
Goodbye, boys, we'll see you tomorrow."
2.29
4788
"Dick's working on the Newcomb ranch this summer," Mary said, as she started to ride on.
"Dick's working on the Newcomb ranch this summer," Mary said, as she started to ride on.
4.43
4788
Jerry's sombrero and Dick's cap waved, then, feeling assured that the girls were all right, the boys went at a gallop down the road and across the desert valley to the Newcomb ranch which nestled at the base of the Chiricahua range.
Jerry's sombrero and Dick's cap waved, then, feeling assured that the girls were all right, the boys went at a gallop down the road and across the desert valley to the Newcomb ranch which nestled at the base of the Chiricahua range.
13.17
4788
"Then you came East to boarding-school and became like a sister to me," Dora said tenderly.
"Then you came East to boarding school and became like a sister to me," Dora said tenderly.
4.87
4788
Mary, not heeding the interruption, kept on.
Mary, not heeding the interruption, kept on.
2.69
4788
Mary, not wishing to appear foolishly timid, said, in as courageous a voice as she could muster, "Of course we're not afraid.
Mary, not wishing to appear foolishly timid, said, in as courageous a voice as she could muster, "Of course we're not afraid.
7.53
4788
After that Mother and Mrs. Newcomb were good friends, naturally, being brides and neighbors."
After that Mother and mrs Newcomb were good friends, naturally, being brides and neighbors."
5.26
4788
She didn't teach long though, for that very first vacation she married Jerry's cowboy father.
She didn't teach long though, for that very first vacation she married Jerry's cowboy father.
5.15
4788
When she spoke, she said, "It's only natural that Jerry should call me 'Little Sister.' Our mothers were like sisters when they were girl brides.
When she spoke, she said, "It's only natural that Jerry should call me 'Little Sister.' Our mothers were like sisters when they were girl brides.
8.28
4788
Bustin' broncs?"
Bustin' broncs?"
1.100042
4788
"Why, of course.
"Why, of course.
1.03
4788
On their right was the corner general store and post office.
On their right was the corner general store and post office.
3.06
4788
The old man had shuffled into the dark well of his store.
The old man had shuffled into the dark well of his store.
2.97
4788
Mary sprang up, saying brightly, "I reckon it will have to." Then, stooping, she kissed her father as she whispered tenderly, "Rest well, darling.
Mary sprang up, saying brightly, "I reckon it will have to." Then, stooping, she kissed her father as she whispered tenderly, "Rest well, darling.
8.53
4788
The girls could see a distant blue haze that was the smoke from the Douglas copper smelters.
The girls could see a distant blue haze that was the smoke from the Douglas copper smelters.
5.02
4788
"Because he had to do the milking," Mary replied simply.
"Because he had to do the milking," Mary replied simply.
2.75
4788
An old man, shriveled, gray-bearded, unkempt, but with kind gray eyes, deep-sunken under shaggy brows, stood in the open door.
An old man, shriveled, gray bearded, unkempt, but with kind gray eyes, deep sunken under shaggy brows, stood in the open door.
8.9
4788
"Come on, Emanuel," Mary sang down to him.
"Come on, Emanuel," Mary sang down to him.
2.97
4788
"They're nice boys, aren't they?" Mary said.
"They're nice boys, aren't they?" Mary said.
2.31
4788
"When Jerry and I were little, we were playmates.
"When Jerry and I were little, we were playmates.
2.65
4788
A bright, black-eyed Mexican boy of about ten ran out to the road as the girls approached.
A bright, black eyed Mexican boy of about ten ran out to the road as the girls approached.
4.769958
4788
"Jerry didn't have time to tell us about the Evil Eye Turquoise, did he?"
"Jerry didn't have time to tell us about the Evil Eye Turquoise, did he?"
3.4
4788
"That's impossible!"
"That's impossible!"
1
4788
The third adobe was neat and well kept.
The third adobe was neat and well kept.
2.149958
4788
"I don't believe he will tell us about that.
"I don't believe he will tell us about that.
2.1
4788
Mary lifted startled blue eyes.
Mary lifted startled blue eyes.
2.04
4788
Dora, seeing her friend's pale face, was sorry that she had wondered aloud.
Dora, seeing her friend's pale face, was sorry that she had wondered aloud.
4.09
4788
"Yes, Mr. Harvey.
"Yes, mr Harvey.
1.14
4788
Mary glanced affectionately at the old place with its flower-edged walk, its broad porch and adobe pillars.
Mary glanced affectionately at the old place with its flower edged walk, its broad porch and adobe pillars.
6.170042
4788
Then to change the subject, she started another.
Then to change the subject, she started another.
2.8
4788
In it lived the Lopez family.
In it lived the Lopez family.
2.009917
4788
"Good!" Dora exclaimed as she rode close to the porch.
"Good!" Dora exclaimed as she rode close to the porch.
3.01
4788
"You've waited up for me, haven't you?" She dropped to her knees beside the invalid chair and pressed her flushed face to his gray, drawn cheek.
"You've waited up for me, haven't you?" She dropped to her knees beside the invalid chair and pressed her flushed face to his gray, drawn cheek.
8.11
4788
"You may put up our horses and earn a dime."
"You may put up our horses and earn a dime."
2.29
4788
"Not tonight, please.
"Not tonight, please.
1.349958
4788
Then to the cowboy she said in her practical matter-of-fact way, "Hurry along home to your milking, Jerry, and Dick, don't you bother to come with us.
Then to the cowboy she said in her practical matter of fact way, "Hurry along home to your milking, Jerry, and Dick, don't you bother to come with us.
8.04
4788
Her husband was a doctor and they lived back in Boston before he died."
Her husband was a doctor and they lived back in Boston before he died."
3.65
4788
Dora defended the absent boy.
Dora defended the absent boy.
1.75
4788
The boys were sitting just where they had left them.
The boys were sitting just where they had left them.
2.16
4788
Hurrying up the steps, Mary skipped into a pleasant living-room, where, near a wide window that was letting in a flood of light from the setting sun, sat her fine-looking father, pale after his long illness, but growing stronger every day.
Hurrying up the steps, Mary skipped into a pleasant living room, where, near a wide window that was letting in a flood of light from the setting sun, sat her fine looking father, pale after his long illness, but growing stronger every day.
13.37
4788
Dick is Mrs. Farley's son." Mary took time, in a friendly way, to satisfy the old man's curiosity.
Dick is mrs Farley's son." Mary took time, in a friendly way, to satisfy the old man's curiosity.
5.86
4788
His friendly, toothless smile was directed at the smaller girl.
His friendly, toothless smile was directed at the smaller girl.
3.11
4788
Mary smiled faintly but it was evident that she was still thinking of the past, when she had been a little girl with golden curls that hung to her waist; a wonderfully pretty, wistful little girl.
Mary smiled faintly but it was evident that she was still thinking of the past, when she had been a little girl with golden curls that hung to her waist; a wonderfully pretty, wistful little girl.
10.28
4788
Mary's nettlesome brown pony was hard to quiet until Jerry reached out a strong brown hand and patted its head.
Mary's nettlesome brown pony was hard to quiet until Jerry reached out a strong brown hand and patted its head.
6.58
4788
"Thanks a lot," she called brightly up to the old man who was handing the packet down over the sagging wooden rail.
"Thanks a lot," she called brightly up to the old man who was handing the packet down over the sagging wooden rail.
5.89
4788
Eight happy years they had spent together before her mother died.
Eight happy years they had spent together before her mother died.
3.380042
4788
Won't tomorrow do?"
Won't tomorrow do?"
1.070042
4788
Today the chairs were empty.
Today the chairs were empty.
1.53
4788
Dora nodded.
Dora nodded.
0.79
4788
After Mary had been taken East to school, her father had returned, and here he had spent the winters, going back to Sunnybank each summer to be with his little girl.
After Mary had been taken East to school, her father had returned, and here he had spent the winters, going back to Sunnybank each summer to be with his little girl.
9.31
4788
She said no more about it just then, as they had reached the old ghost town of Gleeson.
She said no more about it just then, as they had reached the old ghost town of Gleeson.
5.22
4788
Then, glancing up at the nurse who had appeared from her father's bedroom, she asked eagerly, "May I tell Dad an adventure we've had?"
Then, glancing up at the nurse who had appeared from her father's bedroom, she asked eagerly, "May I tell Dad an adventure we've had?"
6.850042
4788
CHAPTER II THE GHOST TOWN
CHAPTER two THE GHOST TOWN
3.19
4788
Carmelita, the wife and mother, had long been cook for Mary Moore's father.
Carmelita, the wife and mother, had long been cook for Mary Moore's father.
4.640042
4788
He's official fence-mender just at present."
He's official fence mender just at present."
2.49
4788
Mary smiled in appreciation of the old man's joke.
Mary smiled in appreciation of the old man's joke.
2.790042
4788
Now that you're working on the Newcomb ranch you ought to be there.
Now that you're working on the Newcomb ranch you ought to be there.
3.48
4788
Mrs. Farley, middle-aged, kind-faced, shook her head, smiling down at the girl.
mrs Farley, middle aged, kind faced, shook her head, smiling down at the girl.
5.350042
4788
The biggest lion in the path was the doctrine of so-called "necessary truth." This doctrine was especially obnoxious to him, as it set up a purely subjective standard of truth, and a standard--as he was easily able to show--varying according to the psychological history of the individual.
The biggest lion in the path was the doctrine of so-called "necessary truth." This doctrine was especially obnoxious to him, as it set up a purely subjective standard of truth, and a standard-as he was easily able to show-varying according to the psychological history of the individual.
16.68
4788
He acknowledged the force of Mr. Mill's argument, that "The Infinite" must include "a farrago of contradictions;" but so also, he said, does the Finite.
He acknowledged the force of mr Mill's argument, that "The Infinite" must include "a farrago of contradictions;" but so also, he said, does the Finite.
9.680083
4788
As a systematic psychologist Mr. Mill has not done so much as either Professor Bain or Mr. Herbert Spencer.
As a systematic psychologist mr Mill has not done so much as either Professor Bain or mr Herbert Spencer.
6.59
4788
It visibly takes the lead, it looks big and important, and it makes a great noise.
It visibly takes the lead, it looks big and important, and it makes a great noise.
5.33
4788
His inestimable "System of Logic" was a revolution.
His inestimable "System of Logic" was a revolution.
3.31
4788
After reviewing, in an opening chapter, the various views which have been held respecting the relativity of human knowledge, and stating his own doctrine, he proceeds to judge by this standard the philosophy of the absolute and Sir William Hamilton's relation to it.
After reviewing, in an opening chapter, the various views which have been held respecting the relativity of human knowledge, and stating his own doctrine, he proceeds to judge by this standard the philosophy of the absolute and Sir William Hamilton's relation to it.
15.74
4788
His work on political economy not only put into thorough repair the structure raised by Adam Smith, Malthus, and Ricardo, but raised it at least one story higher.
His work on political economy not only put into thorough repair the structure raised by Adam Smith, Malthus, and Ricardo, but raised it at least one story higher.
10.49
4788
Thus an 'artificial ignorance,' as Locke calls it, was produced, which had the effect of sanctifying prejudice by recognizing so-called necessities of thought as the only bases of reasoning.
Thus an 'artificial ignorance,' as Locke calls it, was produced, which had the effect of sanctifying prejudice by recognizing so-called necessities of thought as the only bases of reasoning.
11.54
4788
The perfection of his method, its application, and the uprooting of prejudices which stood in its way,--this was the task to which Mr. Mill applied himself with an ability and success rarely matched and never surpassed.
The perfection of his method, its application, and the uprooting of prejudices which stood in its way,--this was the task to which mr Mill applied himself with an ability and success rarely matched and never surpassed.
13.51
4788
Still that blustering machine, which puffs and snorts, and drags a vast multitude in its wake, is moving along a track determined by a man hidden away from the public gaze.
Still that blustering machine, which puffs and snorts, and drags a vast multitude in its wake, is moving along a track determined by a man hidden away from the public gaze.
10.62
4788
It is through this door that ontological belief was supposed to enter. "Things in themselves" were to be believed in because we could not help it.
It is through this door that ontological belief was supposed to enter. "Things in themselves" were to be believed in because we could not help it.
7.63
4788
It was even asserted confidently, that nothing more was to be expected,--that an inductive logic was impossible.
It was even asserted confidently, that nothing more was to be expected,--that an inductive logic was impossible.
6.52
4788
When Mr. Mill commenced his labors, the only logic recognized was the syllogistic.
When mr Mill commenced his labors, the only logic recognized was the syllogistic.
4.82
4788
Still it is his work in mental science which will, in our opinion, be in future looked upon as his great contribution to the progress of thought.
Still it is his work in mental science which will, in our opinion, be in future looked upon as his great contribution to the progress of thought.
8.72
4788
The real inference was accomplished when the universal proposition was arrived at.
The real inference was accomplished when the universal proposition was arrived at.
5.07
4788
Still less is there any one individual thing, "The Finite," in which these contradictory attributes inhere. But it was against a corresponding being, "The Infinite," that Mr. Mill was arguing.
Still less is there any one individual thing, "The Finite," in which these contradictory attributes inhere. But it was against a corresponding being, "The Infinite," that mr Mill was arguing.
11.71
4788
A line of rail lies separated from an adjacent one, the pointsman moves a handle, and the foaming giant, that would, it may be, have sped on to his destruction and that of the passive crew who follow in his rear, is shunted to another line running in a different direction and to a more desirable goal.
A line of rail lies separated from an adjacent one, the pointsman moves a handle, and the foaming giant, that would, it may be, have sped on to his destruction and that of the passive crew who follow in his rear, is shunted to another line running in a different direction and to a more desirable goal.
19.4
4788
As, however, the instances which are sufficient to prove one fresh instance must be sufficient to prove a general proposition, it is most convenient to at once infer that general proposition, which then becomes a formula according to which (but not from which) any number of particular inferences may be made.
As, however, the instances which are sufficient to prove one fresh instance must be sufficient to prove a general proposition, it is most convenient to at once infer that general proposition, which then becomes a formula according to which (but not from which) any number of particular inferences may be made.
18.52
4788
Now undoubtedly finite things, taken distributively, have contradictory attributes, but not as a class.
Now undoubtedly finite things, taken distributively, have contradictory attributes, but not as a class.
6.82
4788
The ultimate major premise in every argument being assumed, it could of course be fashioned according to the particular conclusion it was called in to prove.
The ultimate major premise in every argument being assumed, it could of course be fashioned according to the particular conclusion it was called in to prove.
8.78
4788
It was this, taken with his theory of the syllogism, which worked the great change.
It was this, taken with his theory of the syllogism, which worked the great change.
4.89
4788
Not one iota is added to the proof by interpolating a general proposition." We not only may, according to Mr. Mill, reason from some particular instances to others, but we frequently do so.
Not one iota is added to the proof by interpolating a general proposition." We not only may, according to mr Mill, reason from some particular instances to others, but we frequently do so.
12.6
4788
He demonstrated that the general type of reasoning is neither from generals to particulars, nor from particulars to generals, but from particulars to particulars.
He demonstrated that the general type of reasoning is neither from generals to particulars, nor from particulars to generals, but from particulars to particulars.
8.85
4788
The work of deduction is the interpretation of these formulas, and therefore, strictly speaking, is not inferential at all.
The work of deduction is the interpretation of these formulas, and therefore, strictly speaking, is not inferential at all.
7.48
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Dataset Summary

This dataset is a derived version of the LibriTTS corpus, converted into larger parquet files for optimized I/O performance on high-performance computing clusters. The dataset maintains the high-quality, multi-speaker, text-to-speech (TTS) alignment of LibriTTS, with over 585 hours of English audiobook recordings and corresponding transcriptions. This format is ideal for large-scale training in speech synthesis and TTS tasks.

Source Data

Modifications

  • Data Format: The data has been restructured into larger parquet files to enhance I/O efficiency, reducing load times for distributed training environments.
  • Storage Optimization: This derived dataset improves upon the storage requirements and retrieval efficiency, leveraging the parquet format's compression capabilities.

Dataset Structure

  • File Format: Parquet files.
  • Sampling Rate: 24 kHz (same as LibriTTS).
  • Speaker Details: Over 2,400 unique speakers with balanced representation of male and female voices, retained from LibriTTS.
mumospee_libritts/
├── libritts-parquet/        # audio + transcripts, one parquet per LibriTTS subset
│   ├── dev-clean.parquet
│   ├── dev-other.parquet
│   ├── test-clean.parquet
│   ├── test-other.parquet
│   ├── train-clean-100.parquet
│   ├── train-clean-360.parquet
│   ├── train-other-500-chunk1.parquet   # train-other-500 is split into 2 chunks
│   └── train-other-500-chunk2.parquet
└── metadata/                # lightweight metadata index, one parquet per subset
    ├── dev-clean.parquet ... train-other-500.parquet

The metadata/ parquet files index the audio segments and contain the following columns:

column type description
path string repo-relative path of the parquet shard holding this segment's audio (e.g. libritts-parquet/dev-clean.parquet)
url string download URL of that audio parquet shard
type string always audio
duration float64 segment duration in seconds
language string always en
transcript string LibriTTS original transcription
tag string always LibriTTS
split string train / test / validation (LibriTTS dev-* subsets map to validation)
license string always CC-BY-4.0

Total segments: 375,086.

Attribution

This dataset is based on work by LibriTTS, with modifications for I/O efficiency by converting to parquet file format. Please cite the original LibriTTS dataset in any publications or projects.

Changelog

2026-06-30

  • Regenerated the metadata/ index as parquet (one file per subset), replacing the previous CSVs, and fixed the url column — it previously pointed to a non-existent libritts-parquet/{split}/<subset>.parquet path; each row now points to the actual audio parquet shard (including the correct train-other-500 chunk). The path column now names that shard instead of n/a.
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